|  | // SPDX-License-Identifier: GPL-2.0 | 
|  | /* | 
|  | * Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. | 
|  | * Copyright (c) 2021, 2023, Qualcomm Innovation Center, Inc. All rights reserved. | 
|  | */ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/export.h> | 
|  | #include <linux/clk-provider.h> | 
|  | #include <linux/regmap.h> | 
|  | #include <linux/delay.h> | 
|  |  | 
|  | #include "clk-alpha-pll.h" | 
|  | #include "common.h" | 
|  |  | 
|  | #define PLL_MODE(p)		((p)->offset + 0x0) | 
|  | # define PLL_OUTCTRL		BIT(0) | 
|  | # define PLL_BYPASSNL		BIT(1) | 
|  | # define PLL_RESET_N		BIT(2) | 
|  | # define PLL_OFFLINE_REQ	BIT(7) | 
|  | # define PLL_LOCK_COUNT_SHIFT	8 | 
|  | # define PLL_LOCK_COUNT_MASK	0x3f | 
|  | # define PLL_BIAS_COUNT_SHIFT	14 | 
|  | # define PLL_BIAS_COUNT_MASK	0x3f | 
|  | # define PLL_VOTE_FSM_ENA	BIT(20) | 
|  | # define PLL_FSM_ENA		BIT(20) | 
|  | # define PLL_VOTE_FSM_RESET	BIT(21) | 
|  | # define PLL_UPDATE		BIT(22) | 
|  | # define PLL_UPDATE_BYPASS	BIT(23) | 
|  | # define PLL_FSM_LEGACY_MODE	BIT(24) | 
|  | # define PLL_OFFLINE_ACK	BIT(28) | 
|  | # define ALPHA_PLL_ACK_LATCH	BIT(29) | 
|  | # define PLL_ACTIVE_FLAG	BIT(30) | 
|  | # define PLL_LOCK_DET		BIT(31) | 
|  |  | 
|  | #define PLL_L_VAL(p)		((p)->offset + (p)->regs[PLL_OFF_L_VAL]) | 
|  | #define PLL_CAL_L_VAL(p)	((p)->offset + (p)->regs[PLL_OFF_CAL_L_VAL]) | 
|  | #define PLL_ALPHA_VAL(p)	((p)->offset + (p)->regs[PLL_OFF_ALPHA_VAL]) | 
|  | #define PLL_ALPHA_VAL_U(p)	((p)->offset + (p)->regs[PLL_OFF_ALPHA_VAL_U]) | 
|  |  | 
|  | #define PLL_USER_CTL(p)		((p)->offset + (p)->regs[PLL_OFF_USER_CTL]) | 
|  | # define PLL_POST_DIV_SHIFT	8 | 
|  | # define PLL_POST_DIV_MASK(p)	GENMASK((p)->width, 0) | 
|  | # define PLL_ALPHA_EN		BIT(24) | 
|  | # define PLL_ALPHA_MODE		BIT(25) | 
|  | # define PLL_VCO_SHIFT		20 | 
|  | # define PLL_VCO_MASK		0x3 | 
|  |  | 
|  | #define PLL_USER_CTL_U(p)	((p)->offset + (p)->regs[PLL_OFF_USER_CTL_U]) | 
|  | #define PLL_USER_CTL_U1(p)	((p)->offset + (p)->regs[PLL_OFF_USER_CTL_U1]) | 
|  |  | 
|  | #define PLL_CONFIG_CTL(p)	((p)->offset + (p)->regs[PLL_OFF_CONFIG_CTL]) | 
|  | #define PLL_CONFIG_CTL_U(p)	((p)->offset + (p)->regs[PLL_OFF_CONFIG_CTL_U]) | 
|  | #define PLL_CONFIG_CTL_U1(p)	((p)->offset + (p)->regs[PLL_OFF_CONFIG_CTL_U1]) | 
|  | #define PLL_TEST_CTL(p)		((p)->offset + (p)->regs[PLL_OFF_TEST_CTL]) | 
|  | #define PLL_TEST_CTL_U(p)	((p)->offset + (p)->regs[PLL_OFF_TEST_CTL_U]) | 
|  | #define PLL_TEST_CTL_U1(p)     ((p)->offset + (p)->regs[PLL_OFF_TEST_CTL_U1]) | 
|  | #define PLL_TEST_CTL_U2(p)     ((p)->offset + (p)->regs[PLL_OFF_TEST_CTL_U2]) | 
|  | #define PLL_STATUS(p)		((p)->offset + (p)->regs[PLL_OFF_STATUS]) | 
|  | #define PLL_OPMODE(p)		((p)->offset + (p)->regs[PLL_OFF_OPMODE]) | 
|  | #define PLL_FRAC(p)		((p)->offset + (p)->regs[PLL_OFF_FRAC]) | 
|  |  | 
|  | const u8 clk_alpha_pll_regs[][PLL_OFF_MAX_REGS] = { | 
|  | [CLK_ALPHA_PLL_TYPE_DEFAULT] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_ALPHA_VAL_U] = 0x0c, | 
|  | [PLL_OFF_USER_CTL] = 0x10, | 
|  | [PLL_OFF_USER_CTL_U] = 0x14, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x18, | 
|  | [PLL_OFF_TEST_CTL] = 0x1c, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x20, | 
|  | [PLL_OFF_STATUS] = 0x24, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_HUAYRA] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_USER_CTL] = 0x10, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x14, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x18, | 
|  | [PLL_OFF_TEST_CTL] = 0x1c, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x20, | 
|  | [PLL_OFF_STATUS] = 0x24, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_BRAMMO] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_ALPHA_VAL_U] = 0x0c, | 
|  | [PLL_OFF_USER_CTL] = 0x10, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x18, | 
|  | [PLL_OFF_TEST_CTL] = 0x1c, | 
|  | [PLL_OFF_STATUS] = 0x24, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_FABIA] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_USER_CTL] = 0x0c, | 
|  | [PLL_OFF_USER_CTL_U] = 0x10, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x14, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x18, | 
|  | [PLL_OFF_TEST_CTL] = 0x1c, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x20, | 
|  | [PLL_OFF_STATUS] = 0x24, | 
|  | [PLL_OFF_OPMODE] = 0x2c, | 
|  | [PLL_OFF_FRAC] = 0x38, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_TRION] = { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_CAL_L_VAL] = 0x08, | 
|  | [PLL_OFF_USER_CTL] = 0x0c, | 
|  | [PLL_OFF_USER_CTL_U] = 0x10, | 
|  | [PLL_OFF_USER_CTL_U1] = 0x14, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x18, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x1c, | 
|  | [PLL_OFF_CONFIG_CTL_U1] = 0x20, | 
|  | [PLL_OFF_TEST_CTL] = 0x24, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x28, | 
|  | [PLL_OFF_TEST_CTL_U1] = 0x2c, | 
|  | [PLL_OFF_STATUS] = 0x30, | 
|  | [PLL_OFF_OPMODE] = 0x38, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x40, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_AGERA] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_USER_CTL] = 0x0c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x10, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x14, | 
|  | [PLL_OFF_TEST_CTL] = 0x18, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x1c, | 
|  | [PLL_OFF_STATUS] = 0x2c, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_ZONDA] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_USER_CTL] = 0x0c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x10, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x14, | 
|  | [PLL_OFF_CONFIG_CTL_U1] = 0x18, | 
|  | [PLL_OFF_TEST_CTL] = 0x1c, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x20, | 
|  | [PLL_OFF_TEST_CTL_U1] = 0x24, | 
|  | [PLL_OFF_OPMODE] = 0x28, | 
|  | [PLL_OFF_STATUS] = 0x38, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_LUCID_EVO] = { | 
|  | [PLL_OFF_OPMODE] = 0x04, | 
|  | [PLL_OFF_STATUS] = 0x0c, | 
|  | [PLL_OFF_L_VAL] = 0x10, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x14, | 
|  | [PLL_OFF_USER_CTL] = 0x18, | 
|  | [PLL_OFF_USER_CTL_U] = 0x1c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x20, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x24, | 
|  | [PLL_OFF_CONFIG_CTL_U1] = 0x28, | 
|  | [PLL_OFF_TEST_CTL] = 0x2c, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x30, | 
|  | [PLL_OFF_TEST_CTL_U1] = 0x34, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_LUCID_OLE] = { | 
|  | [PLL_OFF_OPMODE] = 0x04, | 
|  | [PLL_OFF_STATE] = 0x08, | 
|  | [PLL_OFF_STATUS] = 0x0c, | 
|  | [PLL_OFF_L_VAL] = 0x10, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x14, | 
|  | [PLL_OFF_USER_CTL] = 0x18, | 
|  | [PLL_OFF_USER_CTL_U] = 0x1c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x20, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x24, | 
|  | [PLL_OFF_CONFIG_CTL_U1] = 0x28, | 
|  | [PLL_OFF_TEST_CTL] = 0x2c, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x30, | 
|  | [PLL_OFF_TEST_CTL_U1] = 0x34, | 
|  | [PLL_OFF_TEST_CTL_U2] = 0x38, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_RIVIAN_EVO] = { | 
|  | [PLL_OFF_OPMODE] = 0x04, | 
|  | [PLL_OFF_STATUS] = 0x0c, | 
|  | [PLL_OFF_L_VAL] = 0x10, | 
|  | [PLL_OFF_USER_CTL] = 0x14, | 
|  | [PLL_OFF_USER_CTL_U] = 0x18, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x1c, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0x20, | 
|  | [PLL_OFF_CONFIG_CTL_U1] = 0x24, | 
|  | [PLL_OFF_TEST_CTL] = 0x28, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x2c, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_DEFAULT_EVO] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_ALPHA_VAL_U] = 0x0c, | 
|  | [PLL_OFF_TEST_CTL] = 0x10, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x14, | 
|  | [PLL_OFF_USER_CTL] = 0x18, | 
|  | [PLL_OFF_USER_CTL_U] = 0x1c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x20, | 
|  | [PLL_OFF_STATUS] = 0x24, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_BRAMMO_EVO] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x08, | 
|  | [PLL_OFF_ALPHA_VAL_U] = 0x0c, | 
|  | [PLL_OFF_TEST_CTL] = 0x10, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x14, | 
|  | [PLL_OFF_USER_CTL] = 0x18, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x1C, | 
|  | [PLL_OFF_STATUS] = 0x20, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_STROMER] = { | 
|  | [PLL_OFF_L_VAL] = 0x08, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x10, | 
|  | [PLL_OFF_ALPHA_VAL_U] = 0x14, | 
|  | [PLL_OFF_USER_CTL] = 0x18, | 
|  | [PLL_OFF_USER_CTL_U] = 0x1c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x20, | 
|  | [PLL_OFF_CONFIG_CTL_U] = 0xff, | 
|  | [PLL_OFF_TEST_CTL] = 0x30, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x34, | 
|  | [PLL_OFF_STATUS] = 0x28, | 
|  | }, | 
|  | [CLK_ALPHA_PLL_TYPE_STROMER_PLUS] =  { | 
|  | [PLL_OFF_L_VAL] = 0x04, | 
|  | [PLL_OFF_USER_CTL] = 0x08, | 
|  | [PLL_OFF_USER_CTL_U] = 0x0c, | 
|  | [PLL_OFF_CONFIG_CTL] = 0x10, | 
|  | [PLL_OFF_TEST_CTL] = 0x14, | 
|  | [PLL_OFF_TEST_CTL_U] = 0x18, | 
|  | [PLL_OFF_STATUS] = 0x1c, | 
|  | [PLL_OFF_ALPHA_VAL] = 0x24, | 
|  | [PLL_OFF_ALPHA_VAL_U] = 0x28, | 
|  | }, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_regs); | 
|  |  | 
|  | /* | 
|  | * Even though 40 bits are present, use only 32 for ease of calculation. | 
|  | */ | 
|  | #define ALPHA_REG_BITWIDTH	40 | 
|  | #define ALPHA_REG_16BIT_WIDTH	16 | 
|  | #define ALPHA_BITWIDTH		32U | 
|  | #define ALPHA_SHIFT(w)		min(w, ALPHA_BITWIDTH) | 
|  |  | 
|  | #define	ALPHA_PLL_STATUS_REG_SHIFT	8 | 
|  |  | 
|  | #define PLL_HUAYRA_M_WIDTH		8 | 
|  | #define PLL_HUAYRA_M_SHIFT		8 | 
|  | #define PLL_HUAYRA_M_MASK		0xff | 
|  | #define PLL_HUAYRA_N_SHIFT		0 | 
|  | #define PLL_HUAYRA_N_MASK		0xff | 
|  | #define PLL_HUAYRA_ALPHA_WIDTH		16 | 
|  |  | 
|  | #define PLL_STANDBY		0x0 | 
|  | #define PLL_RUN			0x1 | 
|  | #define PLL_OUT_MASK		0x7 | 
|  | #define PLL_RATE_MARGIN		500 | 
|  |  | 
|  | /* TRION PLL specific settings and offsets */ | 
|  | #define TRION_PLL_CAL_VAL	0x44 | 
|  | #define TRION_PCAL_DONE		BIT(26) | 
|  |  | 
|  | /* LUCID PLL specific settings and offsets */ | 
|  | #define LUCID_PCAL_DONE		BIT(27) | 
|  |  | 
|  | /* LUCID 5LPE PLL specific settings and offsets */ | 
|  | #define LUCID_5LPE_PCAL_DONE		BIT(11) | 
|  | #define LUCID_5LPE_ALPHA_PLL_ACK_LATCH	BIT(13) | 
|  | #define LUCID_5LPE_PLL_LATCH_INPUT	BIT(14) | 
|  | #define LUCID_5LPE_ENABLE_VOTE_RUN	BIT(21) | 
|  |  | 
|  | /* LUCID EVO PLL specific settings and offsets */ | 
|  | #define LUCID_EVO_PCAL_NOT_DONE		BIT(8) | 
|  | #define LUCID_EVO_ENABLE_VOTE_RUN       BIT(25) | 
|  | #define LUCID_EVO_PLL_L_VAL_MASK        GENMASK(15, 0) | 
|  | #define LUCID_EVO_PLL_CAL_L_VAL_SHIFT	16 | 
|  | #define LUCID_OLE_PLL_RINGOSC_CAL_L_VAL_SHIFT	24 | 
|  |  | 
|  | /* ZONDA PLL specific */ | 
|  | #define ZONDA_PLL_OUT_MASK	0xf | 
|  | #define ZONDA_STAY_IN_CFA	BIT(16) | 
|  | #define ZONDA_PLL_FREQ_LOCK_DET	BIT(29) | 
|  |  | 
|  | #define pll_alpha_width(p)					\ | 
|  | ((PLL_ALPHA_VAL_U(p) - PLL_ALPHA_VAL(p) == 4) ?	\ | 
|  | ALPHA_REG_BITWIDTH : ALPHA_REG_16BIT_WIDTH) | 
|  |  | 
|  | #define pll_has_64bit_config(p)	((PLL_CONFIG_CTL_U(p) - PLL_CONFIG_CTL(p)) == 4) | 
|  |  | 
|  | #define to_clk_alpha_pll(_hw) container_of(to_clk_regmap(_hw), \ | 
|  | struct clk_alpha_pll, clkr) | 
|  |  | 
|  | #define to_clk_alpha_pll_postdiv(_hw) container_of(to_clk_regmap(_hw), \ | 
|  | struct clk_alpha_pll_postdiv, clkr) | 
|  |  | 
|  | static int wait_for_pll(struct clk_alpha_pll *pll, u32 mask, bool inverse, | 
|  | const char *action) | 
|  | { | 
|  | u32 val; | 
|  | int count; | 
|  | int ret; | 
|  | const char *name = clk_hw_get_name(&pll->clkr.hw); | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | for (count = 200; count > 0; count--) { | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  | if (inverse && !(val & mask)) | 
|  | return 0; | 
|  | else if ((val & mask) == mask) | 
|  | return 0; | 
|  |  | 
|  | udelay(1); | 
|  | } | 
|  |  | 
|  | WARN(1, "%s failed to %s!\n", name, action); | 
|  | return -ETIMEDOUT; | 
|  | } | 
|  |  | 
|  | #define wait_for_pll_enable_active(pll) \ | 
|  | wait_for_pll(pll, PLL_ACTIVE_FLAG, 0, "enable") | 
|  |  | 
|  | #define wait_for_pll_enable_lock(pll) \ | 
|  | wait_for_pll(pll, PLL_LOCK_DET, 0, "enable") | 
|  |  | 
|  | #define wait_for_zonda_pll_freq_lock(pll) \ | 
|  | wait_for_pll(pll, ZONDA_PLL_FREQ_LOCK_DET, 0, "freq enable") | 
|  |  | 
|  | #define wait_for_pll_disable(pll) \ | 
|  | wait_for_pll(pll, PLL_ACTIVE_FLAG, 1, "disable") | 
|  |  | 
|  | #define wait_for_pll_offline(pll) \ | 
|  | wait_for_pll(pll, PLL_OFFLINE_ACK, 0, "offline") | 
|  |  | 
|  | #define wait_for_pll_update(pll) \ | 
|  | wait_for_pll(pll, PLL_UPDATE, 1, "update") | 
|  |  | 
|  | #define wait_for_pll_update_ack_set(pll) \ | 
|  | wait_for_pll(pll, ALPHA_PLL_ACK_LATCH, 0, "update_ack_set") | 
|  |  | 
|  | #define wait_for_pll_update_ack_clear(pll) \ | 
|  | wait_for_pll(pll, ALPHA_PLL_ACK_LATCH, 1, "update_ack_clear") | 
|  |  | 
|  | static void clk_alpha_pll_write_config(struct regmap *regmap, unsigned int reg, | 
|  | unsigned int val) | 
|  | { | 
|  | if (val) | 
|  | regmap_write(regmap, reg, val); | 
|  | } | 
|  |  | 
|  | void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | u32 val, mask; | 
|  |  | 
|  | regmap_write(regmap, PLL_L_VAL(pll), config->l); | 
|  | regmap_write(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | regmap_write(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); | 
|  |  | 
|  | if (pll_has_64bit_config(pll)) | 
|  | regmap_write(regmap, PLL_CONFIG_CTL_U(pll), | 
|  | config->config_ctl_hi_val); | 
|  |  | 
|  | if (pll_alpha_width(pll) > 32) | 
|  | regmap_write(regmap, PLL_ALPHA_VAL_U(pll), config->alpha_hi); | 
|  |  | 
|  | val = config->main_output_mask; | 
|  | val |= config->aux_output_mask; | 
|  | val |= config->aux2_output_mask; | 
|  | val |= config->early_output_mask; | 
|  | val |= config->pre_div_val; | 
|  | val |= config->post_div_val; | 
|  | val |= config->vco_val; | 
|  | val |= config->alpha_en_mask; | 
|  | val |= config->alpha_mode_mask; | 
|  |  | 
|  | mask = config->main_output_mask; | 
|  | mask |= config->aux_output_mask; | 
|  | mask |= config->aux2_output_mask; | 
|  | mask |= config->early_output_mask; | 
|  | mask |= config->pre_div_mask; | 
|  | mask |= config->post_div_mask; | 
|  | mask |= config->vco_mask; | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val); | 
|  |  | 
|  | if (config->test_ctl_mask) | 
|  | regmap_update_bits(regmap, PLL_TEST_CTL(pll), | 
|  | config->test_ctl_mask, | 
|  | config->test_ctl_val); | 
|  | else | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), | 
|  | config->test_ctl_val); | 
|  |  | 
|  | if (config->test_ctl_hi_mask) | 
|  | regmap_update_bits(regmap, PLL_TEST_CTL_U(pll), | 
|  | config->test_ctl_hi_mask, | 
|  | config->test_ctl_hi_val); | 
|  | else | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), | 
|  | config->test_ctl_hi_val); | 
|  |  | 
|  | if (pll->flags & SUPPORTS_FSM_MODE) | 
|  | qcom_pll_set_fsm_mode(regmap, PLL_MODE(pll), 6, 0); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_configure); | 
|  |  | 
|  | static int clk_alpha_pll_hwfsm_enable(struct clk_hw *hw) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | val |= PLL_FSM_ENA; | 
|  |  | 
|  | if (pll->flags & SUPPORTS_OFFLINE_REQ) | 
|  | val &= ~PLL_OFFLINE_REQ; | 
|  |  | 
|  | ret = regmap_write(pll->clkr.regmap, PLL_MODE(pll), val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Make sure enable request goes through before waiting for update */ | 
|  | mb(); | 
|  |  | 
|  | return wait_for_pll_enable_active(pll); | 
|  | } | 
|  |  | 
|  | static void clk_alpha_pll_hwfsm_disable(struct clk_hw *hw) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | if (pll->flags & SUPPORTS_OFFLINE_REQ) { | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), | 
|  | PLL_OFFLINE_REQ, PLL_OFFLINE_REQ); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | ret = wait_for_pll_offline(pll); | 
|  | if (ret) | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Disable hwfsm */ | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), | 
|  | PLL_FSM_ENA, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | wait_for_pll_disable(pll); | 
|  | } | 
|  |  | 
|  | static int pll_is_enabled(struct clk_hw *hw, u32 mask) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | return !!(val & mask); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_hwfsm_is_enabled(struct clk_hw *hw) | 
|  | { | 
|  | return pll_is_enabled(hw, PLL_ACTIVE_FLAG); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_is_enabled(struct clk_hw *hw) | 
|  | { | 
|  | return pll_is_enabled(hw, PLL_LOCK_DET); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_enable(struct clk_hw *hw) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val, mask; | 
|  |  | 
|  | mask = PLL_OUTCTRL | PLL_RESET_N | PLL_BYPASSNL; | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* If in FSM mode, just vote for it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | ret = clk_enable_regmap(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  | return wait_for_pll_enable_active(pll); | 
|  | } | 
|  |  | 
|  | /* Skip if already enabled */ | 
|  | if ((val & mask) == mask) | 
|  | return 0; | 
|  |  | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), | 
|  | PLL_BYPASSNL, PLL_BYPASSNL); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* | 
|  | * H/W requires a 5us delay between disabling the bypass and | 
|  | * de-asserting the reset. | 
|  | */ | 
|  | mb(); | 
|  | udelay(5); | 
|  |  | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), | 
|  | PLL_RESET_N, PLL_RESET_N); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), | 
|  | PLL_OUTCTRL, PLL_OUTCTRL); | 
|  |  | 
|  | /* Ensure that the write above goes through before returning. */ | 
|  | mb(); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static void clk_alpha_pll_disable(struct clk_hw *hw) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val, mask; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* If in FSM mode, just unvote it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | clk_disable_regmap(hw); | 
|  | return; | 
|  | } | 
|  |  | 
|  | mask = PLL_OUTCTRL; | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), mask, 0); | 
|  |  | 
|  | /* Delay of 2 output clock ticks required until output is disabled */ | 
|  | mb(); | 
|  | udelay(1); | 
|  |  | 
|  | mask = PLL_RESET_N | PLL_BYPASSNL; | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), mask, 0); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | alpha_pll_calc_rate(u64 prate, u32 l, u32 a, u32 alpha_width) | 
|  | { | 
|  | return (prate * l) + ((prate * a) >> ALPHA_SHIFT(alpha_width)); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | alpha_pll_round_rate(unsigned long rate, unsigned long prate, u32 *l, u64 *a, | 
|  | u32 alpha_width) | 
|  | { | 
|  | u64 remainder; | 
|  | u64 quotient; | 
|  |  | 
|  | quotient = rate; | 
|  | remainder = do_div(quotient, prate); | 
|  | *l = quotient; | 
|  |  | 
|  | if (!remainder) { | 
|  | *a = 0; | 
|  | return rate; | 
|  | } | 
|  |  | 
|  | /* Upper ALPHA_BITWIDTH bits of Alpha */ | 
|  | quotient = remainder << ALPHA_SHIFT(alpha_width); | 
|  |  | 
|  | remainder = do_div(quotient, prate); | 
|  |  | 
|  | if (remainder) | 
|  | quotient++; | 
|  |  | 
|  | *a = quotient; | 
|  | return alpha_pll_calc_rate(prate, *l, *a, alpha_width); | 
|  | } | 
|  |  | 
|  | static const struct pll_vco * | 
|  | alpha_pll_find_vco(const struct clk_alpha_pll *pll, unsigned long rate) | 
|  | { | 
|  | const struct pll_vco *v = pll->vco_table; | 
|  | const struct pll_vco *end = v + pll->num_vco; | 
|  |  | 
|  | for (; v < end; v++) | 
|  | if (rate >= v->min_freq && rate <= v->max_freq) | 
|  | return v; | 
|  |  | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | clk_alpha_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) | 
|  | { | 
|  | u32 l, low, high, ctl; | 
|  | u64 a = 0, prate = parent_rate; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 alpha_width = pll_alpha_width(pll); | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_L_VAL(pll), &l); | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &ctl); | 
|  | if (ctl & PLL_ALPHA_EN) { | 
|  | regmap_read(pll->clkr.regmap, PLL_ALPHA_VAL(pll), &low); | 
|  | if (alpha_width > 32) { | 
|  | regmap_read(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), | 
|  | &high); | 
|  | a = (u64)high << 32 | low; | 
|  | } else { | 
|  | a = low & GENMASK(alpha_width - 1, 0); | 
|  | } | 
|  |  | 
|  | if (alpha_width > ALPHA_BITWIDTH) | 
|  | a >>= alpha_width - ALPHA_BITWIDTH; | 
|  | } | 
|  |  | 
|  | return alpha_pll_calc_rate(prate, l, a, alpha_width); | 
|  | } | 
|  |  | 
|  |  | 
|  | static int __clk_alpha_pll_update_latch(struct clk_alpha_pll *pll) | 
|  | { | 
|  | int ret; | 
|  | u32 mode; | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_MODE(pll), &mode); | 
|  |  | 
|  | /* Latch the input to the PLL */ | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_UPDATE, | 
|  | PLL_UPDATE); | 
|  |  | 
|  | /* Wait for 2 reference cycle before checking ACK bit */ | 
|  | udelay(1); | 
|  |  | 
|  | /* | 
|  | * PLL will latch the new L, Alpha and freq control word. | 
|  | * PLL will respond by raising PLL_ACK_LATCH output when new programming | 
|  | * has been latched in and PLL is being updated. When | 
|  | * UPDATE_LOGIC_BYPASS bit is not set, PLL_UPDATE will be cleared | 
|  | * automatically by hardware when PLL_ACK_LATCH is asserted by PLL. | 
|  | */ | 
|  | if (mode & PLL_UPDATE_BYPASS) { | 
|  | ret = wait_for_pll_update_ack_set(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_UPDATE, 0); | 
|  | } else { | 
|  | ret = wait_for_pll_update(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | ret = wait_for_pll_update_ack_clear(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Wait for PLL output to stabilize */ | 
|  | udelay(10); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_update_latch(struct clk_alpha_pll *pll, | 
|  | int (*is_enabled)(struct clk_hw *)) | 
|  | { | 
|  | if (!is_enabled(&pll->clkr.hw) || | 
|  | !(pll->flags & SUPPORTS_DYNAMIC_UPDATE)) | 
|  | return 0; | 
|  |  | 
|  | return __clk_alpha_pll_update_latch(pll); | 
|  | } | 
|  |  | 
|  | static int __clk_alpha_pll_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate, | 
|  | int (*is_enabled)(struct clk_hw *)) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | const struct pll_vco *vco; | 
|  | u32 l, alpha_width = pll_alpha_width(pll); | 
|  | u64 a; | 
|  |  | 
|  | rate = alpha_pll_round_rate(rate, prate, &l, &a, alpha_width); | 
|  | vco = alpha_pll_find_vco(pll, rate); | 
|  | if (pll->vco_table && !vco) { | 
|  | pr_err("%s: alpha pll not in a valid vco range\n", | 
|  | clk_hw_get_name(hw)); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  |  | 
|  | if (alpha_width > ALPHA_BITWIDTH) | 
|  | a <<= alpha_width - ALPHA_BITWIDTH; | 
|  |  | 
|  | if (alpha_width > 32) | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), a >> 32); | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  |  | 
|  | if (vco) { | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | PLL_VCO_MASK << PLL_VCO_SHIFT, | 
|  | vco->val << PLL_VCO_SHIFT); | 
|  | } | 
|  |  | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | PLL_ALPHA_EN, PLL_ALPHA_EN); | 
|  |  | 
|  | return clk_alpha_pll_update_latch(pll, is_enabled); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | return __clk_alpha_pll_set_rate(hw, rate, prate, | 
|  | clk_alpha_pll_is_enabled); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_hwfsm_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | return __clk_alpha_pll_set_rate(hw, rate, prate, | 
|  | clk_alpha_pll_hwfsm_is_enabled); | 
|  | } | 
|  |  | 
|  | static long clk_alpha_pll_round_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long *prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, alpha_width = pll_alpha_width(pll); | 
|  | u64 a; | 
|  | unsigned long min_freq, max_freq; | 
|  |  | 
|  | rate = alpha_pll_round_rate(rate, *prate, &l, &a, alpha_width); | 
|  | if (!pll->vco_table || alpha_pll_find_vco(pll, rate)) | 
|  | return rate; | 
|  |  | 
|  | min_freq = pll->vco_table[0].min_freq; | 
|  | max_freq = pll->vco_table[pll->num_vco - 1].max_freq; | 
|  |  | 
|  | return clamp(rate, min_freq, max_freq); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | alpha_huayra_pll_calc_rate(u64 prate, u32 l, u32 a) | 
|  | { | 
|  | /* | 
|  | * a contains 16 bit alpha_val in two’s complement number in the range | 
|  | * of [-0.5, 0.5). | 
|  | */ | 
|  | if (a >= BIT(PLL_HUAYRA_ALPHA_WIDTH - 1)) | 
|  | l -= 1; | 
|  |  | 
|  | return (prate * l) + (prate * a >> PLL_HUAYRA_ALPHA_WIDTH); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | alpha_huayra_pll_round_rate(unsigned long rate, unsigned long prate, | 
|  | u32 *l, u32 *a) | 
|  | { | 
|  | u64 remainder; | 
|  | u64 quotient; | 
|  |  | 
|  | quotient = rate; | 
|  | remainder = do_div(quotient, prate); | 
|  | *l = quotient; | 
|  |  | 
|  | if (!remainder) { | 
|  | *a = 0; | 
|  | return rate; | 
|  | } | 
|  |  | 
|  | quotient = remainder << PLL_HUAYRA_ALPHA_WIDTH; | 
|  | remainder = do_div(quotient, prate); | 
|  |  | 
|  | if (remainder) | 
|  | quotient++; | 
|  |  | 
|  | /* | 
|  | * alpha_val should be in two’s complement number in the range | 
|  | * of [-0.5, 0.5) so if quotient >= 0.5 then increment the l value | 
|  | * since alpha value will be subtracted in this case. | 
|  | */ | 
|  | if (quotient >= BIT(PLL_HUAYRA_ALPHA_WIDTH - 1)) | 
|  | *l += 1; | 
|  |  | 
|  | *a = quotient; | 
|  | return alpha_huayra_pll_calc_rate(prate, *l, *a); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | alpha_pll_huayra_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) | 
|  | { | 
|  | u64 rate = parent_rate, tmp; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, alpha = 0, ctl, alpha_m, alpha_n; | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_L_VAL(pll), &l); | 
|  | regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &ctl); | 
|  |  | 
|  | if (ctl & PLL_ALPHA_EN) { | 
|  | regmap_read(pll->clkr.regmap, PLL_ALPHA_VAL(pll), &alpha); | 
|  | /* | 
|  | * Depending upon alpha_mode, it can be treated as M/N value or | 
|  | * as a two’s complement number. When alpha_mode=1, | 
|  | * pll_alpha_val<15:8>=M and pll_apla_val<7:0>=N | 
|  | * | 
|  | *		Fout=FIN*(L+(M/N)) | 
|  | * | 
|  | * M is a signed number (-128 to 127) and N is unsigned | 
|  | * (0 to 255). M/N has to be within +/-0.5. | 
|  | * | 
|  | * When alpha_mode=0, it is a two’s complement number in the | 
|  | * range [-0.5, 0.5). | 
|  | * | 
|  | *		Fout=FIN*(L+(alpha_val)/2^16) | 
|  | * | 
|  | * where alpha_val is two’s complement number. | 
|  | */ | 
|  | if (!(ctl & PLL_ALPHA_MODE)) | 
|  | return alpha_huayra_pll_calc_rate(rate, l, alpha); | 
|  |  | 
|  | alpha_m = alpha >> PLL_HUAYRA_M_SHIFT & PLL_HUAYRA_M_MASK; | 
|  | alpha_n = alpha >> PLL_HUAYRA_N_SHIFT & PLL_HUAYRA_N_MASK; | 
|  |  | 
|  | rate *= l; | 
|  | tmp = parent_rate; | 
|  | if (alpha_m >= BIT(PLL_HUAYRA_M_WIDTH - 1)) { | 
|  | alpha_m = BIT(PLL_HUAYRA_M_WIDTH) - alpha_m; | 
|  | tmp *= alpha_m; | 
|  | do_div(tmp, alpha_n); | 
|  | rate -= tmp; | 
|  | } else { | 
|  | tmp *= alpha_m; | 
|  | do_div(tmp, alpha_n); | 
|  | rate += tmp; | 
|  | } | 
|  |  | 
|  | return rate; | 
|  | } | 
|  |  | 
|  | return alpha_huayra_pll_calc_rate(rate, l, alpha); | 
|  | } | 
|  |  | 
|  | static int alpha_pll_huayra_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, a, ctl, cur_alpha = 0; | 
|  |  | 
|  | rate = alpha_huayra_pll_round_rate(rate, prate, &l, &a); | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &ctl); | 
|  |  | 
|  | if (ctl & PLL_ALPHA_EN) | 
|  | regmap_read(pll->clkr.regmap, PLL_ALPHA_VAL(pll), &cur_alpha); | 
|  |  | 
|  | /* | 
|  | * Huayra PLL supports PLL dynamic programming. User can change L_VAL, | 
|  | * without having to go through the power on sequence. | 
|  | */ | 
|  | if (clk_alpha_pll_is_enabled(hw)) { | 
|  | if (cur_alpha != a) { | 
|  | pr_err("%s: clock needs to be gated\n", | 
|  | clk_hw_get_name(hw)); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  | /* Ensure that the write above goes to detect L val change. */ | 
|  | mb(); | 
|  | return wait_for_pll_enable_lock(pll); | 
|  | } | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  |  | 
|  | if (a == 0) | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | PLL_ALPHA_EN, 0x0); | 
|  | else | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | PLL_ALPHA_EN | PLL_ALPHA_MODE, PLL_ALPHA_EN); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static long alpha_pll_huayra_round_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long *prate) | 
|  | { | 
|  | u32 l, a; | 
|  |  | 
|  | return alpha_huayra_pll_round_rate(rate, *prate, &l, &a); | 
|  | } | 
|  |  | 
|  | static int trion_pll_is_enabled(struct clk_alpha_pll *pll, | 
|  | struct regmap *regmap) | 
|  | { | 
|  | u32 mode_val, opmode_val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_MODE(pll), &mode_val); | 
|  | ret |= regmap_read(regmap, PLL_OPMODE(pll), &opmode_val); | 
|  | if (ret) | 
|  | return 0; | 
|  |  | 
|  | return ((opmode_val & PLL_RUN) && (mode_val & PLL_OUTCTRL)); | 
|  | } | 
|  |  | 
|  | static int clk_trion_pll_is_enabled(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  |  | 
|  | return trion_pll_is_enabled(pll, pll->clkr.regmap); | 
|  | } | 
|  |  | 
|  | static int clk_trion_pll_enable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* If in FSM mode, just vote for it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | ret = clk_enable_regmap(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  | return wait_for_pll_enable_active(pll); | 
|  | } | 
|  |  | 
|  | /* Set operation mode to RUN */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_RUN); | 
|  |  | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the PLL outputs */ | 
|  | ret = regmap_update_bits(regmap, PLL_USER_CTL(pll), | 
|  | PLL_OUT_MASK, PLL_OUT_MASK); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the global PLL outputs */ | 
|  | return regmap_update_bits(regmap, PLL_MODE(pll), | 
|  | PLL_OUTCTRL, PLL_OUTCTRL); | 
|  | } | 
|  |  | 
|  | static void clk_trion_pll_disable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* If in FSM mode, just unvote it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | clk_disable_regmap(hw); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Disable the global PLL output */ | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Disable the PLL outputs */ | 
|  | ret = regmap_update_bits(regmap, PLL_USER_CTL(pll), | 
|  | PLL_OUT_MASK, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Place the PLL mode in STANDBY */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | clk_trion_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, frac, alpha_width = pll_alpha_width(pll); | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_L_VAL(pll), &l); | 
|  | regmap_read(pll->clkr.regmap, PLL_ALPHA_VAL(pll), &frac); | 
|  |  | 
|  | return alpha_pll_calc_rate(parent_rate, l, frac, alpha_width); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_fixed_ops = { | 
|  | .enable = clk_alpha_pll_enable, | 
|  | .disable = clk_alpha_pll_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = clk_alpha_pll_recalc_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_ops = { | 
|  | .enable = clk_alpha_pll_enable, | 
|  | .disable = clk_alpha_pll_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = clk_alpha_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = clk_alpha_pll_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_huayra_ops = { | 
|  | .enable = clk_alpha_pll_enable, | 
|  | .disable = clk_alpha_pll_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = alpha_pll_huayra_recalc_rate, | 
|  | .round_rate = alpha_pll_huayra_round_rate, | 
|  | .set_rate = alpha_pll_huayra_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_huayra_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_hwfsm_ops = { | 
|  | .enable = clk_alpha_pll_hwfsm_enable, | 
|  | .disable = clk_alpha_pll_hwfsm_disable, | 
|  | .is_enabled = clk_alpha_pll_hwfsm_is_enabled, | 
|  | .recalc_rate = clk_alpha_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = clk_alpha_pll_hwfsm_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_hwfsm_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_fixed_trion_ops = { | 
|  | .enable = clk_trion_pll_enable, | 
|  | .disable = clk_trion_pll_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_trion_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_trion_ops); | 
|  |  | 
|  | static unsigned long | 
|  | clk_alpha_pll_postdiv_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | u32 ctl; | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &ctl); | 
|  |  | 
|  | ctl >>= PLL_POST_DIV_SHIFT; | 
|  | ctl &= PLL_POST_DIV_MASK(pll); | 
|  |  | 
|  | return parent_rate >> fls(ctl); | 
|  | } | 
|  |  | 
|  | static const struct clk_div_table clk_alpha_div_table[] = { | 
|  | { 0x0, 1 }, | 
|  | { 0x1, 2 }, | 
|  | { 0x3, 4 }, | 
|  | { 0x7, 8 }, | 
|  | { 0xf, 16 }, | 
|  | { } | 
|  | }; | 
|  |  | 
|  | static const struct clk_div_table clk_alpha_2bit_div_table[] = { | 
|  | { 0x0, 1 }, | 
|  | { 0x1, 2 }, | 
|  | { 0x3, 4 }, | 
|  | { } | 
|  | }; | 
|  |  | 
|  | static long | 
|  | clk_alpha_pll_postdiv_round_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long *prate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | const struct clk_div_table *table; | 
|  |  | 
|  | if (pll->width == 2) | 
|  | table = clk_alpha_2bit_div_table; | 
|  | else | 
|  | table = clk_alpha_div_table; | 
|  |  | 
|  | return divider_round_rate(hw, rate, prate, table, | 
|  | pll->width, CLK_DIVIDER_POWER_OF_TWO); | 
|  | } | 
|  |  | 
|  | static long | 
|  | clk_alpha_pll_postdiv_round_ro_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long *prate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | u32 ctl, div; | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &ctl); | 
|  |  | 
|  | ctl >>= PLL_POST_DIV_SHIFT; | 
|  | ctl &= BIT(pll->width) - 1; | 
|  | div = 1 << fls(ctl); | 
|  |  | 
|  | if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) | 
|  | *prate = clk_hw_round_rate(clk_hw_get_parent(hw), div * rate); | 
|  |  | 
|  | return DIV_ROUND_UP_ULL((u64)*prate, div); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | int div; | 
|  |  | 
|  | /* 16 -> 0xf, 8 -> 0x7, 4 -> 0x3, 2 -> 0x1, 1 -> 0x0 */ | 
|  | div = DIV_ROUND_UP_ULL(parent_rate, rate) - 1; | 
|  |  | 
|  | return regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | PLL_POST_DIV_MASK(pll) << PLL_POST_DIV_SHIFT, | 
|  | div << PLL_POST_DIV_SHIFT); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_ops = { | 
|  | .recalc_rate = clk_alpha_pll_postdiv_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_postdiv_round_rate, | 
|  | .set_rate = clk_alpha_pll_postdiv_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_ro_ops = { | 
|  | .round_rate = clk_alpha_pll_postdiv_round_ro_rate, | 
|  | .recalc_rate = clk_alpha_pll_postdiv_recalc_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_ro_ops); | 
|  |  | 
|  | void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | u32 val, mask; | 
|  |  | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); | 
|  | clk_alpha_pll_write_config(regmap, PLL_FRAC(pll), config->alpha); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), | 
|  | config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), | 
|  | config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), | 
|  | config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), | 
|  | config->user_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), | 
|  | config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), | 
|  | config->test_ctl_hi_val); | 
|  |  | 
|  | if (config->post_div_mask) { | 
|  | mask = config->post_div_mask; | 
|  | val = config->post_div_val; | 
|  | regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val); | 
|  | } | 
|  |  | 
|  | if (pll->flags & SUPPORTS_FSM_LEGACY_MODE) | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_FSM_LEGACY_MODE, | 
|  | PLL_FSM_LEGACY_MODE); | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_UPDATE_BYPASS, | 
|  | PLL_UPDATE_BYPASS); | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_fabia_pll_configure); | 
|  |  | 
|  | static int alpha_pll_fabia_enable(struct clk_hw *hw) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val, opmode_val; | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* If in FSM mode, just vote for it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | ret = clk_enable_regmap(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  | return wait_for_pll_enable_active(pll); | 
|  | } | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_OPMODE(pll), &opmode_val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Skip If PLL is already running */ | 
|  | if ((opmode_val & PLL_RUN) && (val & PLL_OUTCTRL)) | 
|  | return 0; | 
|  |  | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, | 
|  | PLL_RESET_N); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = regmap_write(regmap, PLL_OPMODE(pll), PLL_RUN); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = regmap_update_bits(regmap, PLL_USER_CTL(pll), | 
|  | PLL_OUT_MASK, PLL_OUT_MASK); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | return regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, | 
|  | PLL_OUTCTRL); | 
|  | } | 
|  |  | 
|  | static void alpha_pll_fabia_disable(struct clk_hw *hw) | 
|  | { | 
|  | int ret; | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* If in FSM mode, just unvote it */ | 
|  | if (val & PLL_FSM_ENA) { | 
|  | clk_disable_regmap(hw); | 
|  | return; | 
|  | } | 
|  |  | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Disable main outputs */ | 
|  | ret = regmap_update_bits(regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Place the PLL in STANDBY */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  | } | 
|  |  | 
|  | static unsigned long alpha_pll_fabia_recalc_rate(struct clk_hw *hw, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, frac, alpha_width = pll_alpha_width(pll); | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_L_VAL(pll), &l); | 
|  | regmap_read(pll->clkr.regmap, PLL_FRAC(pll), &frac); | 
|  |  | 
|  | return alpha_pll_calc_rate(parent_rate, l, frac, alpha_width); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Due to limited number of bits for fractional rate programming, the | 
|  | * rounded up rate could be marginally higher than the requested rate. | 
|  | */ | 
|  | static int alpha_pll_check_rate_margin(struct clk_hw *hw, | 
|  | unsigned long rrate, unsigned long rate) | 
|  | { | 
|  | unsigned long rate_margin = rate + PLL_RATE_MARGIN; | 
|  |  | 
|  | if (rrate > rate_margin || rrate < rate) { | 
|  | pr_err("%s: Rounded rate %lu not within range [%lu, %lu)\n", | 
|  | clk_hw_get_name(hw), rrate, rate, rate_margin); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int alpha_pll_fabia_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, alpha_width = pll_alpha_width(pll); | 
|  | unsigned long rrate; | 
|  | int ret; | 
|  | u64 a; | 
|  |  | 
|  | rrate = alpha_pll_round_rate(rate, prate, &l, &a, alpha_width); | 
|  |  | 
|  | ret = alpha_pll_check_rate_margin(hw, rrate, rate); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  | regmap_write(pll->clkr.regmap, PLL_FRAC(pll), a); | 
|  |  | 
|  | return __clk_alpha_pll_update_latch(pll); | 
|  | } | 
|  |  | 
|  | static int alpha_pll_fabia_prepare(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | const struct pll_vco *vco; | 
|  | struct clk_hw *parent_hw; | 
|  | unsigned long cal_freq, rrate; | 
|  | u32 cal_l, val, alpha_width = pll_alpha_width(pll); | 
|  | const char *name = clk_hw_get_name(hw); | 
|  | u64 a; | 
|  | int ret; | 
|  |  | 
|  | /* Check if calibration needs to be done i.e. PLL is in reset */ | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Return early if calibration is not needed. */ | 
|  | if (val & PLL_RESET_N) | 
|  | return 0; | 
|  |  | 
|  | vco = alpha_pll_find_vco(pll, clk_hw_get_rate(hw)); | 
|  | if (!vco) { | 
|  | pr_err("%s: alpha pll not in a valid vco range\n", name); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | cal_freq = DIV_ROUND_CLOSEST((pll->vco_table[0].min_freq + | 
|  | pll->vco_table[0].max_freq) * 54, 100); | 
|  |  | 
|  | parent_hw = clk_hw_get_parent(hw); | 
|  | if (!parent_hw) | 
|  | return -EINVAL; | 
|  |  | 
|  | rrate = alpha_pll_round_rate(cal_freq, clk_hw_get_rate(parent_hw), | 
|  | &cal_l, &a, alpha_width); | 
|  |  | 
|  | ret = alpha_pll_check_rate_margin(hw, rrate, cal_freq); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | /* Setup PLL for calibration frequency */ | 
|  | regmap_write(pll->clkr.regmap, PLL_CAL_L_VAL(pll), cal_l); | 
|  |  | 
|  | /* Bringup the PLL at calibration frequency */ | 
|  | ret = clk_alpha_pll_enable(hw); | 
|  | if (ret) { | 
|  | pr_err("%s: alpha pll calibration failed\n", name); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | clk_alpha_pll_disable(hw); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_fabia_ops = { | 
|  | .prepare = alpha_pll_fabia_prepare, | 
|  | .enable = alpha_pll_fabia_enable, | 
|  | .disable = alpha_pll_fabia_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .set_rate = alpha_pll_fabia_set_rate, | 
|  | .recalc_rate = alpha_pll_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_fabia_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_fixed_fabia_ops = { | 
|  | .enable = alpha_pll_fabia_enable, | 
|  | .disable = alpha_pll_fabia_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = alpha_pll_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_fabia_ops); | 
|  |  | 
|  | static unsigned long clk_alpha_pll_postdiv_fabia_recalc_rate(struct clk_hw *hw, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | u32 i, div = 1, val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | val >>= pll->post_div_shift; | 
|  | val &= BIT(pll->width) - 1; | 
|  |  | 
|  | for (i = 0; i < pll->num_post_div; i++) { | 
|  | if (pll->post_div_table[i].val == val) { | 
|  | div = pll->post_div_table[i].div; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | return (parent_rate / div); | 
|  | } | 
|  |  | 
|  | static unsigned long | 
|  | clk_trion_pll_postdiv_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 i, div = 1, val; | 
|  |  | 
|  | regmap_read(regmap, PLL_USER_CTL(pll), &val); | 
|  |  | 
|  | val >>= pll->post_div_shift; | 
|  | val &= PLL_POST_DIV_MASK(pll); | 
|  |  | 
|  | for (i = 0; i < pll->num_post_div; i++) { | 
|  | if (pll->post_div_table[i].val == val) { | 
|  | div = pll->post_div_table[i].div; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | return (parent_rate / div); | 
|  | } | 
|  |  | 
|  | static long | 
|  | clk_trion_pll_postdiv_round_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long *prate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  |  | 
|  | return divider_round_rate(hw, rate, prate, pll->post_div_table, | 
|  | pll->width, CLK_DIVIDER_ROUND_CLOSEST); | 
|  | }; | 
|  |  | 
|  | static int | 
|  | clk_trion_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | int i, val = 0, div; | 
|  |  | 
|  | div = DIV_ROUND_UP_ULL(parent_rate, rate); | 
|  | for (i = 0; i < pll->num_post_div; i++) { | 
|  | if (pll->post_div_table[i].div == div) { | 
|  | val = pll->post_div_table[i].val; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | return regmap_update_bits(regmap, PLL_USER_CTL(pll), | 
|  | PLL_POST_DIV_MASK(pll) << PLL_POST_DIV_SHIFT, | 
|  | val << PLL_POST_DIV_SHIFT); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_trion_ops = { | 
|  | .recalc_rate = clk_trion_pll_postdiv_recalc_rate, | 
|  | .round_rate = clk_trion_pll_postdiv_round_rate, | 
|  | .set_rate = clk_trion_pll_postdiv_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_trion_ops); | 
|  |  | 
|  | static long clk_alpha_pll_postdiv_fabia_round_rate(struct clk_hw *hw, | 
|  | unsigned long rate, unsigned long *prate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  |  | 
|  | return divider_round_rate(hw, rate, prate, pll->post_div_table, | 
|  | pll->width, CLK_DIVIDER_ROUND_CLOSEST); | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_postdiv_fabia_set_rate(struct clk_hw *hw, | 
|  | unsigned long rate, unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | int i, val = 0, div, ret; | 
|  |  | 
|  | /* | 
|  | * If the PLL is in FSM mode, then treat set_rate callback as a | 
|  | * no-operation. | 
|  | */ | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | if (val & PLL_VOTE_FSM_ENA) | 
|  | return 0; | 
|  |  | 
|  | div = DIV_ROUND_UP_ULL(parent_rate, rate); | 
|  | for (i = 0; i < pll->num_post_div; i++) { | 
|  | if (pll->post_div_table[i].div == div) { | 
|  | val = pll->post_div_table[i].val; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | return regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | (BIT(pll->width) - 1) << pll->post_div_shift, | 
|  | val << pll->post_div_shift); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_fabia_ops = { | 
|  | .recalc_rate = clk_alpha_pll_postdiv_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_postdiv_fabia_round_rate, | 
|  | .set_rate = clk_alpha_pll_postdiv_fabia_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_fabia_ops); | 
|  |  | 
|  | /** | 
|  | * clk_trion_pll_configure - configure the trion pll | 
|  | * | 
|  | * @pll: clk alpha pll | 
|  | * @regmap: register map | 
|  | * @config: configuration to apply for pll | 
|  | */ | 
|  | void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | /* | 
|  | * If the bootloader left the PLL enabled it's likely that there are | 
|  | * RCGs that will lock up if we disable the PLL below. | 
|  | */ | 
|  | if (trion_pll_is_enabled(pll, regmap)) { | 
|  | pr_debug("Trion PLL is already enabled, skipping configuration\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); | 
|  | regmap_write(regmap, PLL_CAL_L_VAL(pll), TRION_PLL_CAL_VAL); | 
|  | clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), | 
|  | config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), | 
|  | config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), | 
|  | config->config_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), | 
|  | config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), | 
|  | config->user_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U1(pll), | 
|  | config->user_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), | 
|  | config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), | 
|  | config->test_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U1(pll), | 
|  | config->test_ctl_hi1_val); | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_UPDATE_BYPASS, | 
|  | PLL_UPDATE_BYPASS); | 
|  |  | 
|  | /* Disable PLL output */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll),  PLL_OUTCTRL, 0); | 
|  |  | 
|  | /* Set operation mode to OFF */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  |  | 
|  | /* Place the PLL in STANDBY mode */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_trion_pll_configure); | 
|  |  | 
|  | /* | 
|  | * The TRION PLL requires a power-on self-calibration which happens when the | 
|  | * PLL comes out of reset. Calibrate in case it is not completed. | 
|  | */ | 
|  | static int __alpha_pll_trion_prepare(struct clk_hw *hw, u32 pcal_done) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | /* Return early if calibration is not needed. */ | 
|  | regmap_read(pll->clkr.regmap, PLL_STATUS(pll), &val); | 
|  | if (val & pcal_done) | 
|  | return 0; | 
|  |  | 
|  | /* On/off to calibrate */ | 
|  | ret = clk_trion_pll_enable(hw); | 
|  | if (!ret) | 
|  | clk_trion_pll_disable(hw); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int alpha_pll_trion_prepare(struct clk_hw *hw) | 
|  | { | 
|  | return __alpha_pll_trion_prepare(hw, TRION_PCAL_DONE); | 
|  | } | 
|  |  | 
|  | static int alpha_pll_lucid_prepare(struct clk_hw *hw) | 
|  | { | 
|  | return __alpha_pll_trion_prepare(hw, LUCID_PCAL_DONE); | 
|  | } | 
|  |  | 
|  | static int __alpha_pll_trion_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate, u32 latch_bit, u32 latch_ack) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | unsigned long rrate; | 
|  | u32 val, l, alpha_width = pll_alpha_width(pll); | 
|  | u64 a; | 
|  | int ret; | 
|  |  | 
|  | rrate = alpha_pll_round_rate(rate, prate, &l, &a, alpha_width); | 
|  |  | 
|  | ret = alpha_pll_check_rate_margin(hw, rrate, rate); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  |  | 
|  | /* Latch the PLL input */ | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), latch_bit, latch_bit); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Wait for 2 reference cycles before checking the ACK bit. */ | 
|  | udelay(1); | 
|  | regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (!(val & latch_ack)) { | 
|  | pr_err("Lucid PLL latch failed. Output may be unstable!\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* Return the latch input to 0 */ | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), latch_bit, 0); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | if (clk_hw_is_enabled(hw)) { | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /* Wait for PLL output to stabilize */ | 
|  | udelay(100); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int alpha_pll_trion_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | return __alpha_pll_trion_set_rate(hw, rate, prate, PLL_UPDATE, ALPHA_PLL_ACK_LATCH); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_trion_ops = { | 
|  | .prepare = alpha_pll_trion_prepare, | 
|  | .enable = clk_trion_pll_enable, | 
|  | .disable = clk_trion_pll_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_trion_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = alpha_pll_trion_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_trion_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_lucid_ops = { | 
|  | .prepare = alpha_pll_lucid_prepare, | 
|  | .enable = clk_trion_pll_enable, | 
|  | .disable = clk_trion_pll_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_trion_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = alpha_pll_trion_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_lucid_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_lucid_ops = { | 
|  | .recalc_rate = clk_alpha_pll_postdiv_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_postdiv_fabia_round_rate, | 
|  | .set_rate = clk_alpha_pll_postdiv_fabia_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_lucid_ops); | 
|  |  | 
|  | void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); | 
|  | clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), | 
|  | config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), | 
|  | config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), | 
|  | config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), | 
|  | config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap,  PLL_TEST_CTL_U(pll), | 
|  | config->test_ctl_hi_val); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_agera_pll_configure); | 
|  |  | 
|  | static int clk_alpha_pll_agera_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, alpha_width = pll_alpha_width(pll); | 
|  | int ret; | 
|  | unsigned long rrate; | 
|  | u64 a; | 
|  |  | 
|  | rrate = alpha_pll_round_rate(rate, prate, &l, &a, alpha_width); | 
|  | ret = alpha_pll_check_rate_margin(hw, rrate, rate); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | /* change L_VAL without having to go through the power on sequence */ | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  |  | 
|  | if (clk_hw_is_enabled(hw)) | 
|  | return wait_for_pll_enable_lock(pll); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_agera_ops = { | 
|  | .enable = clk_alpha_pll_enable, | 
|  | .disable = clk_alpha_pll_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = alpha_pll_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = clk_alpha_pll_agera_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_agera_ops); | 
|  |  | 
|  | static int alpha_pll_lucid_5lpe_enable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* If in FSM mode, just vote for it */ | 
|  | if (val & LUCID_5LPE_ENABLE_VOTE_RUN) { | 
|  | ret = clk_enable_regmap(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  | return wait_for_pll_enable_lock(pll); | 
|  | } | 
|  |  | 
|  | /* Check if PLL is already enabled, return if enabled */ | 
|  | ret = trion_pll_is_enabled(pll, pll->clkr.regmap); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_OPMODE(pll), PLL_RUN); | 
|  |  | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the PLL outputs */ | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, PLL_OUT_MASK); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the global PLL outputs */ | 
|  | return regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_OUTCTRL, PLL_OUTCTRL); | 
|  | } | 
|  |  | 
|  | static void alpha_pll_lucid_5lpe_disable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &val); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* If in FSM mode, just unvote it */ | 
|  | if (val & LUCID_5LPE_ENABLE_VOTE_RUN) { | 
|  | clk_disable_regmap(hw); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Disable the global PLL output */ | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Disable the PLL outputs */ | 
|  | ret = regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Place the PLL mode in STANDBY */ | 
|  | regmap_write(pll->clkr.regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * The Lucid 5LPE PLL requires a power-on self-calibration which happens | 
|  | * when the PLL comes out of reset. Calibrate in case it is not completed. | 
|  | */ | 
|  | static int alpha_pll_lucid_5lpe_prepare(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct clk_hw *p; | 
|  | u32 val = 0; | 
|  | int ret; | 
|  |  | 
|  | /* Return early if calibration is not needed. */ | 
|  | regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (val & LUCID_5LPE_PCAL_DONE) | 
|  | return 0; | 
|  |  | 
|  | p = clk_hw_get_parent(hw); | 
|  | if (!p) | 
|  | return -EINVAL; | 
|  |  | 
|  | ret = alpha_pll_lucid_5lpe_enable(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | alpha_pll_lucid_5lpe_disable(hw); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int alpha_pll_lucid_5lpe_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | return __alpha_pll_trion_set_rate(hw, rate, prate, | 
|  | LUCID_5LPE_PLL_LATCH_INPUT, | 
|  | LUCID_5LPE_ALPHA_PLL_ACK_LATCH); | 
|  | } | 
|  |  | 
|  | static int __clk_lucid_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long parent_rate, | 
|  | unsigned long enable_vote_run) | 
|  | { | 
|  | struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | int i, val, div, ret; | 
|  | u32 mask; | 
|  |  | 
|  | /* | 
|  | * If the PLL is in FSM mode, then treat set_rate callback as a | 
|  | * no-operation. | 
|  | */ | 
|  | ret = regmap_read(regmap, PLL_USER_CTL(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | if (val & enable_vote_run) | 
|  | return 0; | 
|  |  | 
|  | if (!pll->post_div_table) { | 
|  | pr_err("Missing the post_div_table for the %s PLL\n", | 
|  | clk_hw_get_name(&pll->clkr.hw)); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | div = DIV_ROUND_UP_ULL((u64)parent_rate, rate); | 
|  | for (i = 0; i < pll->num_post_div; i++) { | 
|  | if (pll->post_div_table[i].div == div) { | 
|  | val = pll->post_div_table[i].val; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | mask = GENMASK(pll->width + pll->post_div_shift - 1, pll->post_div_shift); | 
|  | return regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | mask, val << pll->post_div_shift); | 
|  | } | 
|  |  | 
|  | static int clk_lucid_5lpe_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | return __clk_lucid_pll_postdiv_set_rate(hw, rate, parent_rate, LUCID_5LPE_ENABLE_VOTE_RUN); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_lucid_5lpe_ops = { | 
|  | .prepare = alpha_pll_lucid_5lpe_prepare, | 
|  | .enable = alpha_pll_lucid_5lpe_enable, | 
|  | .disable = alpha_pll_lucid_5lpe_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_trion_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = alpha_pll_lucid_5lpe_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_lucid_5lpe_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops = { | 
|  | .enable = alpha_pll_lucid_5lpe_enable, | 
|  | .disable = alpha_pll_lucid_5lpe_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_trion_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_lucid_5lpe_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops = { | 
|  | .recalc_rate = clk_alpha_pll_postdiv_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_postdiv_fabia_round_rate, | 
|  | .set_rate = clk_lucid_5lpe_pll_postdiv_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_lucid_5lpe_ops); | 
|  |  | 
|  | void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); | 
|  | clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), config->config_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), config->user_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U1(pll), config->user_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U1(pll), config->test_ctl_hi1_val); | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_BYPASSNL, 0); | 
|  |  | 
|  | /* Disable PLL output */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  |  | 
|  | /* Set operation mode to OFF */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  |  | 
|  | /* Place the PLL in STANDBY mode */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_zonda_pll_configure); | 
|  |  | 
|  | static int clk_zonda_pll_enable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | regmap_read(regmap, PLL_MODE(pll), &val); | 
|  |  | 
|  | /* If in FSM mode, just vote for it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | ret = clk_enable_regmap(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  | return wait_for_pll_enable_active(pll); | 
|  | } | 
|  |  | 
|  | /* Get the PLL out of bypass mode */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_BYPASSNL, PLL_BYPASSNL); | 
|  |  | 
|  | /* | 
|  | * H/W requires a 1us delay between disabling the bypass and | 
|  | * de-asserting the reset. | 
|  | */ | 
|  | udelay(1); | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  |  | 
|  | /* Set operation mode to RUN */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_RUN); | 
|  |  | 
|  | regmap_read(regmap, PLL_TEST_CTL(pll), &val); | 
|  |  | 
|  | /* If cfa mode then poll for freq lock */ | 
|  | if (val & ZONDA_STAY_IN_CFA) | 
|  | ret = wait_for_zonda_pll_freq_lock(pll); | 
|  | else | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the PLL outputs */ | 
|  | regmap_update_bits(regmap, PLL_USER_CTL(pll), ZONDA_PLL_OUT_MASK, ZONDA_PLL_OUT_MASK); | 
|  |  | 
|  | /* Enable the global PLL outputs */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, PLL_OUTCTRL); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void clk_zonda_pll_disable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 val; | 
|  |  | 
|  | regmap_read(regmap, PLL_MODE(pll), &val); | 
|  |  | 
|  | /* If in FSM mode, just unvote it */ | 
|  | if (val & PLL_VOTE_FSM_ENA) { | 
|  | clk_disable_regmap(hw); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Disable the global PLL output */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  |  | 
|  | /* Disable the PLL outputs */ | 
|  | regmap_update_bits(regmap, PLL_USER_CTL(pll), ZONDA_PLL_OUT_MASK, 0); | 
|  |  | 
|  | /* Put the PLL in bypass and reset */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N | PLL_BYPASSNL, 0); | 
|  |  | 
|  | /* Place the PLL mode in OFF state */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), 0x0); | 
|  | } | 
|  |  | 
|  | static int clk_zonda_pll_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | unsigned long rrate; | 
|  | u32 test_ctl_val; | 
|  | u32 l, alpha_width = pll_alpha_width(pll); | 
|  | u64 a; | 
|  | int ret; | 
|  |  | 
|  | rrate = alpha_pll_round_rate(rate, prate, &l, &a, alpha_width); | 
|  |  | 
|  | ret = alpha_pll_check_rate_margin(hw, rrate, rate); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  |  | 
|  | /* Wait before polling for the frequency latch */ | 
|  | udelay(5); | 
|  |  | 
|  | /* Read stay in cfa mode */ | 
|  | regmap_read(pll->clkr.regmap, PLL_TEST_CTL(pll), &test_ctl_val); | 
|  |  | 
|  | /* If cfa mode then poll for freq lock */ | 
|  | if (test_ctl_val & ZONDA_STAY_IN_CFA) | 
|  | ret = wait_for_zonda_pll_freq_lock(pll); | 
|  | else | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Wait for PLL output to stabilize */ | 
|  | udelay(100); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_zonda_ops = { | 
|  | .enable = clk_zonda_pll_enable, | 
|  | .disable = clk_zonda_pll_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_trion_pll_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = clk_zonda_pll_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_zonda_ops); | 
|  |  | 
|  | void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | u32 lval = config->l; | 
|  |  | 
|  | lval |= TRION_PLL_CAL_VAL << LUCID_EVO_PLL_CAL_L_VAL_SHIFT; | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), lval); | 
|  | clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), config->config_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), config->user_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U1(pll), config->test_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U2(pll), config->test_ctl_hi2_val); | 
|  |  | 
|  | /* Disable PLL output */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  |  | 
|  | /* Set operation mode to STANDBY and de-assert the reset */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_lucid_evo_pll_configure); | 
|  |  | 
|  | void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | u32 lval = config->l; | 
|  |  | 
|  | lval |= TRION_PLL_CAL_VAL << LUCID_EVO_PLL_CAL_L_VAL_SHIFT; | 
|  | lval |= TRION_PLL_CAL_VAL << LUCID_OLE_PLL_RINGOSC_CAL_L_VAL_SHIFT; | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), lval); | 
|  | clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), config->config_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), config->user_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U1(pll), config->test_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U2(pll), config->test_ctl_hi2_val); | 
|  |  | 
|  | /* Disable PLL output */ | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  |  | 
|  | /* Set operation mode to STANDBY and de-assert the reset */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_lucid_ole_pll_configure); | 
|  |  | 
|  | static int alpha_pll_lucid_evo_enable(struct clk_hw *hw) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_USER_CTL(pll), &val); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* If in FSM mode, just vote for it */ | 
|  | if (val & LUCID_EVO_ENABLE_VOTE_RUN) { | 
|  | ret = clk_enable_regmap(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  | return wait_for_pll_enable_lock(pll); | 
|  | } | 
|  |  | 
|  | /* Check if PLL is already enabled */ | 
|  | ret = trion_pll_is_enabled(pll, regmap); | 
|  | if (ret < 0) { | 
|  | return ret; | 
|  | } else if (ret) { | 
|  | pr_warn("%s PLL is already enabled\n", clk_hw_get_name(&pll->clkr.hw)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Set operation mode to RUN */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_RUN); | 
|  |  | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the PLL outputs */ | 
|  | ret = regmap_update_bits(regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, PLL_OUT_MASK); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Enable the global PLL outputs */ | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, PLL_OUTCTRL); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | /* Ensure that the write above goes through before returning. */ | 
|  | mb(); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static void _alpha_pll_lucid_evo_disable(struct clk_hw *hw, bool reset) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(regmap, PLL_USER_CTL(pll), &val); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* If in FSM mode, just unvote it */ | 
|  | if (val & LUCID_EVO_ENABLE_VOTE_RUN) { | 
|  | clk_disable_regmap(hw); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Disable the global PLL output */ | 
|  | ret = regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Disable the PLL outputs */ | 
|  | ret = regmap_update_bits(regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, 0); | 
|  | if (ret) | 
|  | return; | 
|  |  | 
|  | /* Place the PLL mode in STANDBY */ | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  |  | 
|  | if (reset) | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, 0); | 
|  | } | 
|  |  | 
|  | static int _alpha_pll_lucid_evo_prepare(struct clk_hw *hw, bool reset) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct clk_hw *p; | 
|  | u32 val = 0; | 
|  | int ret; | 
|  |  | 
|  | /* Return early if calibration is not needed. */ | 
|  | regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); | 
|  | if (!(val & LUCID_EVO_PCAL_NOT_DONE)) | 
|  | return 0; | 
|  |  | 
|  | p = clk_hw_get_parent(hw); | 
|  | if (!p) | 
|  | return -EINVAL; | 
|  |  | 
|  | ret = alpha_pll_lucid_evo_enable(hw); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | _alpha_pll_lucid_evo_disable(hw, reset); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void alpha_pll_lucid_evo_disable(struct clk_hw *hw) | 
|  | { | 
|  | _alpha_pll_lucid_evo_disable(hw, false); | 
|  | } | 
|  |  | 
|  | static int alpha_pll_lucid_evo_prepare(struct clk_hw *hw) | 
|  | { | 
|  | return _alpha_pll_lucid_evo_prepare(hw, false); | 
|  | } | 
|  |  | 
|  | static void alpha_pll_reset_lucid_evo_disable(struct clk_hw *hw) | 
|  | { | 
|  | _alpha_pll_lucid_evo_disable(hw, true); | 
|  | } | 
|  |  | 
|  | static int alpha_pll_reset_lucid_evo_prepare(struct clk_hw *hw) | 
|  | { | 
|  | return _alpha_pll_lucid_evo_prepare(hw, true); | 
|  | } | 
|  |  | 
|  | static unsigned long alpha_pll_lucid_evo_recalc_rate(struct clk_hw *hw, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | struct regmap *regmap = pll->clkr.regmap; | 
|  | u32 l, frac; | 
|  |  | 
|  | regmap_read(regmap, PLL_L_VAL(pll), &l); | 
|  | l &= LUCID_EVO_PLL_L_VAL_MASK; | 
|  | regmap_read(regmap, PLL_ALPHA_VAL(pll), &frac); | 
|  |  | 
|  | return alpha_pll_calc_rate(parent_rate, l, frac, pll_alpha_width(pll)); | 
|  | } | 
|  |  | 
|  | static int clk_lucid_evo_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | return __clk_lucid_pll_postdiv_set_rate(hw, rate, parent_rate, LUCID_EVO_ENABLE_VOTE_RUN); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops = { | 
|  | .enable = alpha_pll_lucid_evo_enable, | 
|  | .disable = alpha_pll_lucid_evo_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = alpha_pll_lucid_evo_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_lucid_evo_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops = { | 
|  | .recalc_rate = clk_alpha_pll_postdiv_fabia_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_postdiv_fabia_round_rate, | 
|  | .set_rate = clk_lucid_evo_pll_postdiv_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_lucid_evo_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_lucid_evo_ops = { | 
|  | .prepare = alpha_pll_lucid_evo_prepare, | 
|  | .enable = alpha_pll_lucid_evo_enable, | 
|  | .disable = alpha_pll_lucid_evo_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = alpha_pll_lucid_evo_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = alpha_pll_lucid_5lpe_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_lucid_evo_ops); | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops = { | 
|  | .prepare = alpha_pll_reset_lucid_evo_prepare, | 
|  | .enable = alpha_pll_lucid_evo_enable, | 
|  | .disable = alpha_pll_reset_lucid_evo_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = alpha_pll_lucid_evo_recalc_rate, | 
|  | .round_rate = clk_alpha_pll_round_rate, | 
|  | .set_rate = alpha_pll_lucid_5lpe_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_reset_lucid_evo_ops); | 
|  |  | 
|  | void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), config->config_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), config->config_ctl_hi1_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), config->user_ctl_val); | 
|  | clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), config->user_ctl_hi_val); | 
|  |  | 
|  | regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_MODE(pll), | 
|  | PLL_RESET_N | PLL_BYPASSNL | PLL_OUTCTRL, | 
|  | PLL_RESET_N | PLL_BYPASSNL); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_rivian_evo_pll_configure); | 
|  |  | 
|  | static unsigned long clk_rivian_evo_pll_recalc_rate(struct clk_hw *hw, | 
|  | unsigned long parent_rate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l; | 
|  |  | 
|  | regmap_read(pll->clkr.regmap, PLL_L_VAL(pll), &l); | 
|  |  | 
|  | return parent_rate * l; | 
|  | } | 
|  |  | 
|  | static long clk_rivian_evo_pll_round_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long *prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | unsigned long min_freq, max_freq; | 
|  | u32 l; | 
|  | u64 a; | 
|  |  | 
|  | rate = alpha_pll_round_rate(rate, *prate, &l, &a, 0); | 
|  | if (!pll->vco_table || alpha_pll_find_vco(pll, rate)) | 
|  | return rate; | 
|  |  | 
|  | min_freq = pll->vco_table[0].min_freq; | 
|  | max_freq = pll->vco_table[pll->num_vco - 1].max_freq; | 
|  |  | 
|  | return clamp(rate, min_freq, max_freq); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_rivian_evo_ops = { | 
|  | .enable = alpha_pll_lucid_5lpe_enable, | 
|  | .disable = alpha_pll_lucid_5lpe_disable, | 
|  | .is_enabled = clk_trion_pll_is_enabled, | 
|  | .recalc_rate = clk_rivian_evo_pll_recalc_rate, | 
|  | .round_rate = clk_rivian_evo_pll_round_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_rivian_evo_ops); | 
|  |  | 
|  | void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, | 
|  | const struct alpha_pll_config *config) | 
|  | { | 
|  | u32 val, val_u, mask, mask_u; | 
|  |  | 
|  | regmap_write(regmap, PLL_L_VAL(pll), config->l); | 
|  | regmap_write(regmap, PLL_ALPHA_VAL(pll), config->alpha); | 
|  | regmap_write(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); | 
|  |  | 
|  | if (pll_has_64bit_config(pll)) | 
|  | regmap_write(regmap, PLL_CONFIG_CTL_U(pll), | 
|  | config->config_ctl_hi_val); | 
|  |  | 
|  | if (pll_alpha_width(pll) > 32) | 
|  | regmap_write(regmap, PLL_ALPHA_VAL_U(pll), config->alpha_hi); | 
|  |  | 
|  | val = config->main_output_mask; | 
|  | val |= config->aux_output_mask; | 
|  | val |= config->aux2_output_mask; | 
|  | val |= config->early_output_mask; | 
|  | val |= config->pre_div_val; | 
|  | val |= config->post_div_val; | 
|  | val |= config->vco_val; | 
|  | val |= config->alpha_en_mask; | 
|  | val |= config->alpha_mode_mask; | 
|  |  | 
|  | mask = config->main_output_mask; | 
|  | mask |= config->aux_output_mask; | 
|  | mask |= config->aux2_output_mask; | 
|  | mask |= config->early_output_mask; | 
|  | mask |= config->pre_div_mask; | 
|  | mask |= config->post_div_mask; | 
|  | mask |= config->vco_mask; | 
|  | mask |= config->alpha_en_mask; | 
|  | mask |= config->alpha_mode_mask; | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val); | 
|  |  | 
|  | /* Stromer APSS PLL does not enable LOCK_DET by default, so enable it */ | 
|  | val_u = config->status_val << ALPHA_PLL_STATUS_REG_SHIFT; | 
|  | val_u |= config->lock_det; | 
|  |  | 
|  | mask_u = config->status_mask; | 
|  | mask_u |= config->lock_det; | 
|  |  | 
|  | regmap_update_bits(regmap, PLL_USER_CTL_U(pll), mask_u, val_u); | 
|  | regmap_write(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); | 
|  | regmap_write(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); | 
|  |  | 
|  | if (pll->flags & SUPPORTS_FSM_MODE) | 
|  | qcom_pll_set_fsm_mode(regmap, PLL_MODE(pll), 6, 0); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(clk_stromer_pll_configure); | 
|  |  | 
|  | static int clk_alpha_pll_stromer_determine_rate(struct clk_hw *hw, | 
|  | struct clk_rate_request *req) | 
|  | { | 
|  | u32 l; | 
|  | u64 a; | 
|  |  | 
|  | req->rate = alpha_pll_round_rate(req->rate, req->best_parent_rate, | 
|  | &l, &a, ALPHA_REG_BITWIDTH); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int clk_alpha_pll_stromer_set_rate(struct clk_hw *hw, unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | int ret; | 
|  | u32 l; | 
|  | u64 a; | 
|  |  | 
|  | rate = alpha_pll_round_rate(rate, prate, &l, &a, ALPHA_REG_BITWIDTH); | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), | 
|  | a >> ALPHA_BITWIDTH); | 
|  |  | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), | 
|  | PLL_ALPHA_EN, PLL_ALPHA_EN); | 
|  |  | 
|  | if (!clk_hw_is_enabled(hw)) | 
|  | return 0; | 
|  |  | 
|  | /* | 
|  | * Stromer PLL supports Dynamic programming. | 
|  | * It allows the PLL frequency to be changed on-the-fly without first | 
|  | * execution of a shutdown procedure followed by a bring up procedure. | 
|  | */ | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_UPDATE, | 
|  | PLL_UPDATE); | 
|  |  | 
|  | ret = wait_for_pll_update(pll); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | return wait_for_pll_enable_lock(pll); | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_stromer_ops = { | 
|  | .enable = clk_alpha_pll_enable, | 
|  | .disable = clk_alpha_pll_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = clk_alpha_pll_recalc_rate, | 
|  | .determine_rate = clk_alpha_pll_stromer_determine_rate, | 
|  | .set_rate = clk_alpha_pll_stromer_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_stromer_ops); | 
|  |  | 
|  | static int clk_alpha_pll_stromer_plus_set_rate(struct clk_hw *hw, | 
|  | unsigned long rate, | 
|  | unsigned long prate) | 
|  | { | 
|  | struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); | 
|  | u32 l, alpha_width = pll_alpha_width(pll); | 
|  | int ret, pll_mode; | 
|  | u64 a; | 
|  |  | 
|  | rate = alpha_pll_round_rate(rate, prate, &l, &a, alpha_width); | 
|  |  | 
|  | ret = regmap_read(pll->clkr.regmap, PLL_MODE(pll), &pll_mode); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_MODE(pll), 0); | 
|  |  | 
|  | /* Delay of 2 output clock ticks required until output is disabled */ | 
|  | udelay(1); | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); | 
|  |  | 
|  | if (alpha_width > ALPHA_BITWIDTH) | 
|  | a <<= alpha_width - ALPHA_BITWIDTH; | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); | 
|  | regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), | 
|  | a >> ALPHA_BITWIDTH); | 
|  |  | 
|  | regmap_write(pll->clkr.regmap, PLL_MODE(pll), PLL_BYPASSNL); | 
|  |  | 
|  | /* Wait five micro seconds or more */ | 
|  | udelay(5); | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_RESET_N, | 
|  | PLL_RESET_N); | 
|  |  | 
|  | /* The lock time should be less than 50 micro seconds worst case */ | 
|  | usleep_range(50, 60); | 
|  |  | 
|  | ret = wait_for_pll_enable_lock(pll); | 
|  | if (ret) { | 
|  | pr_err("Wait for PLL enable lock failed [%s] %d\n", | 
|  | clk_hw_get_name(hw), ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | if (pll_mode & PLL_OUTCTRL) | 
|  | regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_OUTCTRL, | 
|  | PLL_OUTCTRL); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const struct clk_ops clk_alpha_pll_stromer_plus_ops = { | 
|  | .prepare = clk_alpha_pll_enable, | 
|  | .unprepare = clk_alpha_pll_disable, | 
|  | .is_enabled = clk_alpha_pll_is_enabled, | 
|  | .recalc_rate = clk_alpha_pll_recalc_rate, | 
|  | .determine_rate = clk_alpha_pll_stromer_determine_rate, | 
|  | .set_rate = clk_alpha_pll_stromer_plus_set_rate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(clk_alpha_pll_stromer_plus_ops); |