| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com> |
| * Copyright (C) 2020 Western Digital Corporation or its affiliates. |
| */ |
| #include <dt-bindings/clock/k210-clk.h> |
| #include <dt-bindings/pinctrl/k210-fpioa.h> |
| #include <dt-bindings/reset/k210-rst.h> |
| |
| / { |
| /* |
| * Although the K210 is a 64-bit CPU, the address bus is only 32-bits |
| * wide, and the upper half of all addresses is ignored. |
| */ |
| #address-cells = <1>; |
| #size-cells = <1>; |
| compatible = "canaan,kendryte-k210"; |
| |
| aliases { |
| serial0 = &uarths0; |
| serial1 = &uart1; |
| serial2 = &uart2; |
| serial3 = &uart3; |
| }; |
| |
| /* |
| * The K210 has an sv39 MMU following the privileged specification v1.9. |
| * Since this is a non-ratified draft specification, the kernel does not |
| * support it and the K210 support enabled only for the !MMU case. |
| * Be consistent with this by setting the CPUs MMU type to "none". |
| */ |
| cpus { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| timebase-frequency = <7800000>; |
| cpu0: cpu@0 { |
| device_type = "cpu"; |
| compatible = "canaan,k210", "riscv"; |
| reg = <0>; |
| riscv,isa = "rv64imafdc"; |
| mmu-type = "riscv,none"; |
| i-cache-block-size = <64>; |
| i-cache-size = <0x8000>; |
| d-cache-block-size = <64>; |
| d-cache-size = <0x8000>; |
| cpu0_intc: interrupt-controller { |
| #interrupt-cells = <1>; |
| interrupt-controller; |
| compatible = "riscv,cpu-intc"; |
| }; |
| }; |
| cpu1: cpu@1 { |
| device_type = "cpu"; |
| compatible = "canaan,k210", "riscv"; |
| reg = <1>; |
| riscv,isa = "rv64imafdc"; |
| mmu-type = "riscv,none"; |
| i-cache-block-size = <64>; |
| i-cache-size = <0x8000>; |
| d-cache-block-size = <64>; |
| d-cache-size = <0x8000>; |
| cpu1_intc: interrupt-controller { |
| #interrupt-cells = <1>; |
| interrupt-controller; |
| compatible = "riscv,cpu-intc"; |
| }; |
| }; |
| |
| cpu-map { |
| cluster0 { |
| core0 { |
| cpu = <&cpu0>; |
| }; |
| |
| core1 { |
| cpu = <&cpu1>; |
| }; |
| }; |
| }; |
| }; |
| |
| sram: memory@80000000 { |
| device_type = "memory"; |
| reg = <0x80000000 0x400000>, /* sram0 4 MiB */ |
| <0x80400000 0x200000>, /* sram1 2 MiB */ |
| <0x80600000 0x200000>; /* aisram 2 MiB */ |
| }; |
| |
| sram_controller: memory-controller { |
| compatible = "canaan,k210-sram"; |
| clocks = <&sysclk K210_CLK_SRAM0>, |
| <&sysclk K210_CLK_SRAM1>, |
| <&sysclk K210_CLK_AI>; |
| clock-names = "sram0", "sram1", "aisram"; |
| }; |
| |
| clocks { |
| in0: oscillator { |
| compatible = "fixed-clock"; |
| #clock-cells = <0>; |
| clock-frequency = <26000000>; |
| }; |
| }; |
| |
| soc { |
| #address-cells = <1>; |
| #size-cells = <1>; |
| compatible = "simple-bus"; |
| ranges; |
| interrupt-parent = <&plic0>; |
| |
| rom0: nvmem@1000 { |
| reg = <0x1000 0x1000>; |
| read-only; |
| }; |
| |
| clint0: timer@2000000 { |
| compatible = "canaan,k210-clint", "sifive,clint0"; |
| reg = <0x2000000 0xC000>; |
| interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>, |
| <&cpu1_intc 3>, <&cpu1_intc 7>; |
| }; |
| |
| plic0: interrupt-controller@c000000 { |
| #interrupt-cells = <1>; |
| #address-cells = <0>; |
| compatible = "canaan,k210-plic", "sifive,plic-1.0.0"; |
| reg = <0xC000000 0x4000000>; |
| interrupt-controller; |
| interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>, |
| <&cpu1_intc 11>, <&cpu1_intc 9>; |
| riscv,ndev = <65>; |
| }; |
| |
| uarths0: serial@38000000 { |
| compatible = "canaan,k210-uarths", "sifive,uart0"; |
| reg = <0x38000000 0x1000>; |
| interrupts = <33>; |
| clocks = <&sysclk K210_CLK_CPU>; |
| }; |
| |
| gpio0: gpio-controller@38001000 { |
| #interrupt-cells = <2>; |
| #gpio-cells = <2>; |
| compatible = "canaan,k210-gpiohs", "sifive,gpio0"; |
| reg = <0x38001000 0x1000>; |
| interrupt-controller; |
| interrupts = <34>, <35>, <36>, <37>, <38>, <39>, <40>, |
| <41>, <42>, <43>, <44>, <45>, <46>, <47>, |
| <48>, <49>, <50>, <51>, <52>, <53>, <54>, |
| <55>, <56>, <57>, <58>, <59>, <60>, <61>, |
| <62>, <63>, <64>, <65>; |
| gpio-controller; |
| ngpios = <32>; |
| }; |
| |
| dmac0: dma-controller@50000000 { |
| compatible = "snps,axi-dma-1.01a"; |
| reg = <0x50000000 0x1000>; |
| interrupts = <27>, <28>, <29>, <30>, <31>, <32>; |
| #dma-cells = <1>; |
| clocks = <&sysclk K210_CLK_DMA>, <&sysclk K210_CLK_DMA>; |
| clock-names = "core-clk", "cfgr-clk"; |
| resets = <&sysrst K210_RST_DMA>; |
| dma-channels = <6>; |
| snps,dma-masters = <2>; |
| snps,priority = <0 1 2 3 4 5>; |
| snps,data-width = <5>; |
| snps,block-size = <0x200000 0x200000 0x200000 |
| 0x200000 0x200000 0x200000>; |
| snps,axi-max-burst-len = <256>; |
| }; |
| |
| apb0: bus@50200000 { |
| #address-cells = <1>; |
| #size-cells = <1>; |
| compatible = "simple-pm-bus"; |
| ranges = <0x50200000 0x50200000 0x200000>; |
| clocks = <&sysclk K210_CLK_APB0>; |
| |
| gpio1: gpio@50200000 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| compatible = "snps,dw-apb-gpio"; |
| reg = <0x50200000 0x80>; |
| clocks = <&sysclk K210_CLK_APB0>, |
| <&sysclk K210_CLK_GPIO>; |
| clock-names = "bus", "db"; |
| resets = <&sysrst K210_RST_GPIO>; |
| |
| gpio1_0: gpio-port@0 { |
| #gpio-cells = <2>; |
| #interrupt-cells = <2>; |
| compatible = "snps,dw-apb-gpio-port"; |
| reg = <0>; |
| interrupt-controller; |
| interrupts = <23>; |
| gpio-controller; |
| ngpios = <8>; |
| }; |
| }; |
| |
| uart1: serial@50210000 { |
| compatible = "snps,dw-apb-uart"; |
| reg = <0x50210000 0x100>; |
| interrupts = <11>; |
| clocks = <&sysclk K210_CLK_UART1>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "baudclk", "apb_pclk"; |
| resets = <&sysrst K210_RST_UART1>; |
| reg-io-width = <4>; |
| reg-shift = <2>; |
| dcd-override; |
| dsr-override; |
| cts-override; |
| ri-override; |
| }; |
| |
| uart2: serial@50220000 { |
| compatible = "snps,dw-apb-uart"; |
| reg = <0x50220000 0x100>; |
| interrupts = <12>; |
| clocks = <&sysclk K210_CLK_UART2>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "baudclk", "apb_pclk"; |
| resets = <&sysrst K210_RST_UART2>; |
| reg-io-width = <4>; |
| reg-shift = <2>; |
| dcd-override; |
| dsr-override; |
| cts-override; |
| ri-override; |
| }; |
| |
| uart3: serial@50230000 { |
| compatible = "snps,dw-apb-uart"; |
| reg = <0x50230000 0x100>; |
| interrupts = <13>; |
| clocks = <&sysclk K210_CLK_UART3>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "baudclk", "apb_pclk"; |
| resets = <&sysrst K210_RST_UART3>; |
| reg-io-width = <4>; |
| reg-shift = <2>; |
| dcd-override; |
| dsr-override; |
| cts-override; |
| ri-override; |
| }; |
| |
| spi2: spi@50240000 { |
| compatible = "canaan,k210-spi"; |
| spi-slave; |
| reg = <0x50240000 0x100>; |
| #address-cells = <0>; |
| #size-cells = <0>; |
| interrupts = <3>; |
| clocks = <&sysclk K210_CLK_SPI2>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "ssi_clk", "pclk"; |
| resets = <&sysrst K210_RST_SPI2>; |
| spi-max-frequency = <25000000>; |
| }; |
| |
| i2s0: i2s@50250000 { |
| compatible = "canaan,k210-i2s", "snps,designware-i2s"; |
| reg = <0x50250000 0x200>; |
| interrupts = <5>; |
| clocks = <&sysclk K210_CLK_I2S0>; |
| clock-names = "i2sclk"; |
| resets = <&sysrst K210_RST_I2S0>; |
| }; |
| |
| i2s1: i2s@50260000 { |
| compatible = "canaan,k210-i2s", "snps,designware-i2s"; |
| reg = <0x50260000 0x200>; |
| interrupts = <6>; |
| clocks = <&sysclk K210_CLK_I2S1>; |
| clock-names = "i2sclk"; |
| resets = <&sysrst K210_RST_I2S1>; |
| }; |
| |
| i2s2: i2s@50270000 { |
| compatible = "canaan,k210-i2s", "snps,designware-i2s"; |
| reg = <0x50270000 0x200>; |
| interrupts = <7>; |
| clocks = <&sysclk K210_CLK_I2S2>; |
| clock-names = "i2sclk"; |
| resets = <&sysrst K210_RST_I2S2>; |
| }; |
| |
| i2c0: i2c@50280000 { |
| compatible = "snps,designware-i2c"; |
| reg = <0x50280000 0x100>; |
| interrupts = <8>; |
| clocks = <&sysclk K210_CLK_I2C0>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "ref", "pclk"; |
| resets = <&sysrst K210_RST_I2C0>; |
| }; |
| |
| i2c1: i2c@50290000 { |
| compatible = "snps,designware-i2c"; |
| reg = <0x50290000 0x100>; |
| interrupts = <9>; |
| clocks = <&sysclk K210_CLK_I2C1>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "ref", "pclk"; |
| resets = <&sysrst K210_RST_I2C1>; |
| }; |
| |
| i2c2: i2c@502a0000 { |
| compatible = "snps,designware-i2c"; |
| reg = <0x502A0000 0x100>; |
| interrupts = <10>; |
| clocks = <&sysclk K210_CLK_I2C2>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "ref", "pclk"; |
| resets = <&sysrst K210_RST_I2C2>; |
| }; |
| |
| fpioa: pinmux@502b0000 { |
| compatible = "canaan,k210-fpioa"; |
| reg = <0x502B0000 0x100>; |
| clocks = <&sysclk K210_CLK_FPIOA>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "ref", "pclk"; |
| resets = <&sysrst K210_RST_FPIOA>; |
| canaan,k210-sysctl-power = <&sysctl 108>; |
| }; |
| |
| timer0: timer@502d0000 { |
| compatible = "snps,dw-apb-timer"; |
| reg = <0x502D0000 0x14>; |
| interrupts = <14>; |
| clocks = <&sysclk K210_CLK_TIMER0>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "timer", "pclk"; |
| resets = <&sysrst K210_RST_TIMER0>; |
| }; |
| |
| timer1: timer@502d0014 { |
| compatible = "snps,dw-apb-timer"; |
| reg = <0x502D0014 0x14>; |
| interrupts = <15>; |
| clocks = <&sysclk K210_CLK_TIMER0>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "timer", "pclk"; |
| resets = <&sysrst K210_RST_TIMER0>; |
| }; |
| |
| timer2: timer@502e0000 { |
| compatible = "snps,dw-apb-timer"; |
| reg = <0x502E0000 0x14>; |
| interrupts = <16>; |
| clocks = <&sysclk K210_CLK_TIMER1>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "timer", "pclk"; |
| resets = <&sysrst K210_RST_TIMER1>; |
| }; |
| |
| timer3: timer@502e0014 { |
| compatible = "snps,dw-apb-timer"; |
| reg = <0x502E0014 0x114>; |
| interrupts = <17>; |
| clocks = <&sysclk K210_CLK_TIMER1>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "timer", "pclk"; |
| resets = <&sysrst K210_RST_TIMER1>; |
| }; |
| |
| timer4: timer@502f0000 { |
| compatible = "snps,dw-apb-timer"; |
| reg = <0x502F0000 0x14>; |
| interrupts = <18>; |
| clocks = <&sysclk K210_CLK_TIMER2>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "timer", "pclk"; |
| resets = <&sysrst K210_RST_TIMER2>; |
| }; |
| |
| timer5: timer@502f0014 { |
| compatible = "snps,dw-apb-timer"; |
| reg = <0x502F0014 0x14>; |
| interrupts = <19>; |
| clocks = <&sysclk K210_CLK_TIMER2>, |
| <&sysclk K210_CLK_APB0>; |
| clock-names = "timer", "pclk"; |
| resets = <&sysrst K210_RST_TIMER2>; |
| }; |
| }; |
| |
| apb1: bus@50400000 { |
| #address-cells = <1>; |
| #size-cells = <1>; |
| compatible = "simple-pm-bus"; |
| ranges = <0x50400000 0x50400000 0x40100>; |
| clocks = <&sysclk K210_CLK_APB1>; |
| |
| wdt0: watchdog@50400000 { |
| compatible = "snps,dw-wdt"; |
| reg = <0x50400000 0x100>; |
| interrupts = <21>; |
| clocks = <&sysclk K210_CLK_WDT0>, |
| <&sysclk K210_CLK_APB1>; |
| clock-names = "tclk", "pclk"; |
| resets = <&sysrst K210_RST_WDT0>; |
| }; |
| |
| wdt1: watchdog@50410000 { |
| compatible = "snps,dw-wdt"; |
| reg = <0x50410000 0x100>; |
| interrupts = <22>; |
| clocks = <&sysclk K210_CLK_WDT1>, |
| <&sysclk K210_CLK_APB1>; |
| clock-names = "tclk", "pclk"; |
| resets = <&sysrst K210_RST_WDT1>; |
| }; |
| |
| sysctl: syscon@50440000 { |
| compatible = "canaan,k210-sysctl", |
| "syscon", "simple-mfd"; |
| reg = <0x50440000 0x100>; |
| clocks = <&sysclk K210_CLK_APB1>; |
| clock-names = "pclk"; |
| |
| sysclk: clock-controller { |
| #clock-cells = <1>; |
| compatible = "canaan,k210-clk"; |
| clocks = <&in0>; |
| }; |
| |
| sysrst: reset-controller { |
| compatible = "canaan,k210-rst"; |
| #reset-cells = <1>; |
| }; |
| |
| reboot: syscon-reboot { |
| compatible = "syscon-reboot"; |
| regmap = <&sysctl>; |
| offset = <48>; |
| mask = <1>; |
| value = <1>; |
| }; |
| }; |
| }; |
| |
| apb2: bus@52000000 { |
| #address-cells = <1>; |
| #size-cells = <1>; |
| compatible = "simple-pm-bus"; |
| ranges = <0x52000000 0x52000000 0x2000200>; |
| clocks = <&sysclk K210_CLK_APB2>; |
| |
| spi0: spi@52000000 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| compatible = "canaan,k210-spi"; |
| reg = <0x52000000 0x100>; |
| interrupts = <1>; |
| clocks = <&sysclk K210_CLK_SPI0>, |
| <&sysclk K210_CLK_APB2>; |
| clock-names = "ssi_clk", "pclk"; |
| resets = <&sysrst K210_RST_SPI0>; |
| reset-names = "spi"; |
| num-cs = <4>; |
| reg-io-width = <4>; |
| }; |
| |
| spi1: spi@53000000 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| compatible = "canaan,k210-spi"; |
| reg = <0x53000000 0x100>; |
| interrupts = <2>; |
| clocks = <&sysclk K210_CLK_SPI1>, |
| <&sysclk K210_CLK_APB2>; |
| clock-names = "ssi_clk", "pclk"; |
| resets = <&sysrst K210_RST_SPI1>; |
| reset-names = "spi"; |
| num-cs = <4>; |
| reg-io-width = <4>; |
| }; |
| |
| spi3: spi@54000000 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| compatible = "snps,dwc-ssi-1.01a"; |
| reg = <0x54000000 0x200>; |
| interrupts = <4>; |
| clocks = <&sysclk K210_CLK_SPI3>, |
| <&sysclk K210_CLK_APB2>; |
| clock-names = "ssi_clk", "pclk"; |
| resets = <&sysrst K210_RST_SPI3>; |
| reset-names = "spi"; |
| |
| num-cs = <4>; |
| reg-io-width = <4>; |
| }; |
| }; |
| }; |
| }; |
