| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Samsung's Exynos4210 based Origen board device tree source |
| * |
| * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com |
| * Copyright (c) 2010-2011 Linaro Ltd. |
| * www.linaro.org |
| * |
| * Device tree source file for Insignal's Origen board which is based on |
| * Samsung's Exynos4210 SoC. |
| */ |
| |
| /dts-v1/; |
| #include "exynos4210.dtsi" |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/input/input.h> |
| #include "exynos-mfc-reserved-memory.dtsi" |
| |
| / { |
| model = "Insignal Origen evaluation board based on Exynos4210"; |
| compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4"; |
| |
| memory@40000000 { |
| device_type = "memory"; |
| reg = <0x40000000 0x10000000 |
| 0x50000000 0x10000000 |
| 0x60000000 0x10000000 |
| 0x70000000 0x10000000>; |
| }; |
| |
| chosen { |
| bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc"; |
| stdout-path = "serial2:115200n8"; |
| }; |
| |
| mmc_reg: voltage-regulator { |
| compatible = "regulator-fixed"; |
| regulator-name = "VMEM_VDD_2.8V"; |
| regulator-min-microvolt = <2800000>; |
| regulator-max-microvolt = <2800000>; |
| gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>; |
| enable-active-high; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| |
| up { |
| label = "Up"; |
| gpios = <&gpx2 0 GPIO_ACTIVE_LOW>; |
| linux,code = <KEY_UP>; |
| wakeup-source; |
| }; |
| |
| down { |
| label = "Down"; |
| gpios = <&gpx2 1 GPIO_ACTIVE_LOW>; |
| linux,code = <KEY_DOWN>; |
| wakeup-source; |
| }; |
| |
| back { |
| label = "Back"; |
| gpios = <&gpx1 7 GPIO_ACTIVE_LOW>; |
| linux,code = <KEY_BACK>; |
| wakeup-source; |
| }; |
| |
| home { |
| label = "Home"; |
| gpios = <&gpx1 6 GPIO_ACTIVE_LOW>; |
| linux,code = <KEY_HOME>; |
| wakeup-source; |
| }; |
| |
| menu { |
| label = "Menu"; |
| gpios = <&gpx1 5 GPIO_ACTIVE_LOW>; |
| linux,code = <KEY_MENU>; |
| wakeup-source; |
| }; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| status { |
| gpios = <&gpx1 3 GPIO_ACTIVE_LOW>; |
| linux,default-trigger = "heartbeat"; |
| }; |
| }; |
| |
| fixed-rate-clocks { |
| xxti { |
| compatible = "samsung,clock-xxti"; |
| clock-frequency = <0>; |
| }; |
| |
| xusbxti { |
| compatible = "samsung,clock-xusbxti"; |
| clock-frequency = <24000000>; |
| }; |
| }; |
| |
| display-timings { |
| native-mode = <&timing0>; |
| timing0: timing { |
| clock-frequency = <47500000>; |
| hactive = <1024>; |
| vactive = <600>; |
| hfront-porch = <64>; |
| hback-porch = <16>; |
| hsync-len = <48>; |
| vback-porch = <64>; |
| vfront-porch = <16>; |
| vsync-len = <3>; |
| }; |
| }; |
| }; |
| |
| &cpu0 { |
| cpu0-supply = <&buck1_reg>; |
| }; |
| |
| &exynos_usbphy { |
| status = "okay"; |
| }; |
| |
| &fimd { |
| pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| &gpu { |
| mali-supply = <&buck3_reg>; |
| status = "okay"; |
| }; |
| |
| &hsotg { |
| vusb_d-supply = <&ldo3_reg>; |
| vusb_a-supply = <&ldo8_reg>; |
| dr_mode = "peripheral"; |
| status = "okay"; |
| }; |
| |
| &i2c_0 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <20000>; |
| pinctrl-0 = <&i2c0_bus>; |
| pinctrl-names = "default"; |
| |
| max8997_pmic@66 { |
| compatible = "maxim,max8997-pmic"; |
| reg = <0x66>; |
| interrupt-parent = <&gpx0>; |
| interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&max8997_irq>; |
| |
| max8997,pmic-buck1-dvs-voltage = <1350000>; |
| max8997,pmic-buck2-dvs-voltage = <1100000>; |
| max8997,pmic-buck5-dvs-voltage = <1200000>; |
| |
| regulators { |
| ldo1_reg: LDO1 { |
| regulator-name = "VDD_ABB_3.3V"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| }; |
| |
| ldo2_reg: LDO2 { |
| regulator-name = "VDD_ALIVE_1.1V"; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1100000>; |
| regulator-always-on; |
| }; |
| |
| ldo3_reg: LDO3 { |
| regulator-name = "VMIPI_1.1V"; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1100000>; |
| }; |
| |
| ldo4_reg: LDO4 { |
| regulator-name = "VDD_RTC_1.8V"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo6_reg: LDO6 { |
| regulator-name = "VMIPI_1.8V"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo7_reg: LDO7 { |
| regulator-name = "VDD_AUD_1.8V"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| }; |
| |
| ldo8_reg: LDO8 { |
| regulator-name = "VADC_3.3V"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| }; |
| |
| ldo9_reg: LDO9 { |
| regulator-name = "DVDD_SWB_2.8V"; |
| regulator-min-microvolt = <2800000>; |
| regulator-max-microvolt = <2800000>; |
| regulator-always-on; |
| }; |
| |
| ldo10_reg: LDO10 { |
| regulator-name = "VDD_PLL_1.1V"; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1100000>; |
| regulator-always-on; |
| }; |
| |
| ldo11_reg: LDO11 { |
| regulator-name = "VDD_AUD_3V"; |
| regulator-min-microvolt = <3000000>; |
| regulator-max-microvolt = <3000000>; |
| }; |
| |
| ldo14_reg: LDO14 { |
| regulator-name = "AVDD18_SWB_1.8V"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo17_reg: LDO17 { |
| regulator-name = "VDD_SWB_3.3V"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| }; |
| |
| ldo21_reg: LDO21 { |
| regulator-name = "VDD_MIF_1.2V"; |
| regulator-min-microvolt = <1200000>; |
| regulator-max-microvolt = <1200000>; |
| regulator-always-on; |
| }; |
| |
| buck1_reg: BUCK1 { |
| /* |
| * HACK: The real name is VDD_ARM_1.2V, |
| * but exynos-cpufreq does not support |
| * DT-based regulator lookup yet. |
| */ |
| regulator-name = "vdd_arm"; |
| regulator-min-microvolt = <950000>; |
| regulator-max-microvolt = <1350000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck2_reg: BUCK2 { |
| regulator-name = "VDD_INT_1.1V"; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <1100000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck3_reg: BUCK3 { |
| regulator-name = "VDD_G3D_1.1V"; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <1100000>; |
| }; |
| |
| buck5_reg: BUCK5 { |
| regulator-name = "VDDQ_M1M2_1.2V"; |
| regulator-min-microvolt = <1200000>; |
| regulator-max-microvolt = <1200000>; |
| regulator-always-on; |
| }; |
| |
| buck7_reg: BUCK7 { |
| regulator-name = "VDD_LCD_3.3V"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-boot-on; |
| regulator-always-on; |
| }; |
| }; |
| }; |
| }; |
| |
| &pinctrl_1 { |
| max8997_irq: max8997-irq { |
| samsung,pins = "gpx0-3", "gpx0-4"; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| }; |
| }; |
| |
| &sdhci_0 { |
| bus-width = <4>; |
| pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>; |
| pinctrl-names = "default"; |
| vmmc-supply = <&mmc_reg>; |
| status = "okay"; |
| }; |
| |
| &sdhci_2 { |
| bus-width = <4>; |
| pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; |
| pinctrl-names = "default"; |
| vmmc-supply = <&mmc_reg>; |
| status = "okay"; |
| }; |
| |
| &serial_0 { |
| status = "okay"; |
| }; |
| |
| &serial_1 { |
| status = "okay"; |
| }; |
| |
| &serial_2 { |
| status = "okay"; |
| }; |
| |
| &serial_3 { |
| status = "okay"; |
| }; |
| |
| &rtc { |
| status = "okay"; |
| }; |
| |
| &tmu { |
| status = "okay"; |
| }; |
