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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
- */
- #include <dt-bindings/clock/k210-sysctl.h>
- #include <dt-bindings/mfd/k210-sysctl.h>
- #include <dt-bindings/reset/k210-sysctl.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 = "kendryte,k210";
- aliases {
- dma0 = &dmac0;
- gpio0 = &gpio0;
- gpio1 = &gpio1_0;
- i2c0 = &i2c0;
- i2c1 = &i2c1;
- i2c2 = &i2c2;
- pinctrl0 = &fpioa;
- serial0 = &uarths0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
- spi0 = &spi0;
- spi1 = &spi1;
- spi2 = &spi2;
- spi3 = &spi3;
- timer0 = &timer0;
- timer1 = &timer1;
- timer2 = &timer2;
- };
- cpus {
- #address-cells = <1>;
- #size-cells = <0>;
- timebase-frequency = <7800000>;
- cpu0: cpu@0 {
- device_type = "cpu";
- compatible = "kendryte,k210", "sifive,rocket0", "riscv";
- reg = <0>;
- riscv,isa = "rv64imafdgc";
- mmu-type = "sv39";
- i-cache-block-size = <64>;
- i-cache-size = <0x8000>;
- d-cache-block-size = <64>;
- d-cache-size = <0x8000>;
- clocks = <&sysclk K210_CLK_CPU>;
- cpu0_intc: interrupt-controller {
- #interrupt-cells = <1>;
- interrupt-controller;
- compatible = "riscv,cpu-intc";
- };
- };
- cpu1: cpu@1 {
- device_type = "cpu";
- compatible = "kendryte,k210", "sifive,rocket0", "riscv";
- reg = <1>;
- riscv,isa = "rv64imafdgc";
- mmu-type = "sv39";
- i-cache-block-size = <64>;
- i-cache-size = <0x8000>;
- d-cache-block-size = <64>;
- d-cache-size = <0x8000>;
- clocks = <&sysclk K210_CLK_CPU>;
- cpu1_intc: interrupt-controller {
- #interrupt-cells = <1>;
- interrupt-controller;
- compatible = "riscv,cpu-intc";
- };
- };
- };
- sram: memory@80000000 {
- device_type = "memory";
- compatible = "kendryte,k210-sram";
- reg = <0x80000000 0x400000>,
- <0x80400000 0x200000>,
- <0x80600000 0x200000>;
- reg-names = "sram0", "sram1", "airam";
- clocks = <&sysclk K210_CLK_SRAM0>,
- <&sysclk K210_CLK_SRAM1>,
- <&sysclk K210_CLK_PLL1>;
- clock-names = "sram0", "sram1", "airam";
- };
- reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
- ai_reserved: ai@80600000 {
- reg = <0x80600000 0x200000>;
- reusable;
- };
- };
- clocks {
- in0: osc {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <26000000>;
- };
- };
- soc {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "kendryte,k210-soc", "simple-bus";
- ranges;
- interrupt-parent = <&plic0>;
- debug0: debug@0 {
- compatible = "kendryte,k210-debug", "riscv,debug";
- reg = <0x0 0x1000>;
- };
- rom0: nvmem@1000 {
- reg = <0x1000 0x1000>;
- read-only;
- };
- clint0: interrupt-controller@2000000 {
- #interrupt-cells = <1>;
- compatible = "kendryte,k210-clint", "riscv,clint0";
- reg = <0x2000000 0xC000>;
- interrupt-controller;
- interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
- <&cpu1_intc 3>, <&cpu1_intc 7>;
- clocks = <&sysclk K210_CLK_CPU>;
- };
- plic0: interrupt-controller@C000000 {
- #interrupt-cells = <1>;
- compatible = "kendryte,k210-plic", "riscv,plic0";
- reg = <0xC000000 0x4000000>;
- interrupt-controller;
- interrupts-extended = <&cpu0_intc 9>, <&cpu0_intc 11>,
- <&cpu1_intc 9>, <&cpu1_intc 11>;
- riscv,ndev = <65>;
- riscv,max-priority = <7>;
- };
- uarths0: serial@38000000 {
- compatible = "kendryte,k210-uarths", "sifive,uart0";
- reg = <0x38000000 0x1000>;
- interrupts = <33>;
- clocks = <&sysclk K210_CLK_CPU>;
- status = "disabled";
- };
- gpio0: gpio-controller@38001000 {
- #interrupt-cells = <2>;
- #gpio-cells = <2>;
- compatible = "kendryte,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>;
- status = "disabled";
- };
- kpu0: kpu@40800000 {
- compatible = "kendryte,k210-kpu";
- reg = <0x40800000 0xc00000>;
- interrupts = <25>;
- clocks = <&sysclk K210_CLK_AI>;
- memory-region = <&ai_reserved>;
- status = "disabled";
- };
- fft0: fft@42000000 {
- compatible = "kendryte,k210-fft";
- reg = <0x42000000 0x400000>;
- interrupts = <26>;
- clocks = <&sysclk K210_CLK_FFT>;
- resets = <&sysrst K210_RST_FFT>;
- status = "disabled";
- };
- dmac0: dma-controller@50000000 {
- compatible = "kendryte,k210-dmac", "snps,axi-dma-1.01a";
- reg = <0x50000000 0x1000>;
- interrupts = <27 28 29 30 31 32>;
- 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,data-width = <5>;
- snps,block-size = <0x400000 0x400000 0x400000
- 0x400000 0x400000 0x400000>;
- snps,axi-max-burst-len = <256>;
- status = "disabled";
- };
- apb0: bus@50200000 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "kendryte,k210-apb", "simple-pm-bus";
- ranges;
- clocks = <&sysclk K210_CLK_APB0>;
- gpio1: gpio-controller@50200000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "kendryte,k210-gpio",
- "snps,dw-apb-gpio";
- reg = <0x50200000 0x80>;
- clocks = <&sysclk K210_CLK_GPIO>;
- resets = <&sysrst K210_RST_GPIO>;
- status = "disabled";
- gpio1_0: gpio1@0 {
- #gpio-cells = <2>;
- #interrupt-cells = <2>;
- compatible = "snps,dw-apb-gpio-port";
- reg = <0>;
- interrupt-controller;
- interrupts = <23>;
- gpio-controller;
- snps,nr-gpios = <8>;
- };
- };
- uart1: serial@50210000 {
- compatible = "kendryte,k210-uart",
- "snps,dw-apb-uart";
- reg = <0x50210000 0x100>;
- interrupts = <11>;
- clocks = <&sysclk K210_CLK_UART1>;
- resets = <&sysrst K210_RST_UART1>;
- reg-io-width = <4>;
- reg-shift = <2>;
- dcd-override;
- dsr-override;
- cts-override;
- ri-override;
- status = "disabled";
- };
- uart2: serial@50220000 {
- compatible = "kendryte,k210-uart",
- "snps,dw-apb-uart";
- reg = <0x50220000 0x100>;
- interrupts = <12>;
- clocks = <&sysclk K210_CLK_UART2>;
- resets = <&sysrst K210_RST_UART2>;
- reg-io-width = <4>;
- reg-shift = <2>;
- dcd-override;
- dsr-override;
- cts-override;
- ri-override;
- status = "disabled";
- };
- uart3: serial@50230000 {
- compatible = "kendryte,k210-uart",
- "snps,dw-apb-uart";
- reg = <0x50230000 0x100>;
- interrupts = <13>;
- clocks = <&sysclk K210_CLK_UART3>;
- resets = <&sysrst K210_RST_UART3>;
- reg-io-width = <4>;
- reg-shift = <2>;
- dcd-override;
- dsr-override;
- cts-override;
- ri-override;
- status = "disabled";
- };
- spi2: spi@50240000 {
- compatible = "kendryte,k120-spislave",
- "snps,dw-apb-ssi";
- spi-slave;
- reg = <0x50240000 0x100>;
- interrupts = <2>;
- clocks = <&sysclk K210_CLK_SPI2>;
- resets = <&sysrst K210_RST_SPI2>;
- spi-max-frequency = <25000000>;
- status = "disabled";
- };
- i2s0: i2s@50250000 {
- compatible = "kendryte,k210-i2s",
- "snps,designware-i2s";
- reg = <0x50250000 0x200>;
- interrupts = <5>;
- clocks = <&sysclk K210_CLK_I2S0>;
- clock-names = "i2sclk";
- resets = <&sysrst K210_RST_I2S0>;
- status = "disabled";
- };
- apu0: sound@520250200 {
- compatible = "kendryte,k210-apu";
- reg = <0x50250200 0x200>;
- status = "disabled";
- };
- i2s1: i2s@50260000 {
- compatible = "kendryte,k210-i2s",
- "snps,designware-i2s";
- reg = <0x50260000 0x200>;
- interrupts = <6>;
- clocks = <&sysclk K210_CLK_I2S1>;
- clock-names = "i2sclk";
- resets = <&sysrst K210_RST_I2S1>;
- status = "disabled";
- };
- i2s2: i2s@50270000 {
- compatible = "kendryte,k210-i2s",
- "snps,designware-i2s";
- reg = <0x50270000 0x200>;
- interrupts = <7>;
- clocks = <&sysclk K210_CLK_I2S2>;
- clock-names = "i2sclk";
- resets = <&sysrst K210_RST_I2S2>;
- status = "disabled";
- };
- i2c0: i2c@50280000 {
- compatible = "kendryte,k210-i2c",
- "snps,designware-i2c";
- reg = <0x50280000 0x100>;
- interrupts = <8>;
- clocks = <&sysclk K210_CLK_I2C0>;
- resets = <&sysrst K210_RST_I2C0>;
- status = "disabled";
- };
- i2c1: i2c@50290000 {
- compatible = "kendryte,k210-i2c",
- "snps,designware-i2c";
- reg = <0x50290000 0x100>;
- interrupts = <9>;
- clocks = <&sysclk K210_CLK_I2C1>;
- resets = <&sysrst K210_RST_I2C1>;
- status = "disabled";
- };
- i2c2: i2c@502A0000 {
- compatible = "kendryte,k210-i2c",
- "snps,designware-i2c";
- reg = <0x502A0000 0x100>;
- interrupts = <10>;
- clocks = <&sysclk K210_CLK_I2C2>;
- resets = <&sysrst K210_RST_I2C2>;
- status = "disabled";
- };
- fpioa: pinmux@502B0000 {
- compatible = "kendryte,k210-fpioa";
- reg = <0x502B0000 0x100>;
- clocks = <&sysclk K210_CLK_FPIOA>;
- resets = <&sysrst K210_RST_FPIOA>;
- status = "disabled";
- };
- sha256: sha256@502C0000 {
- compatible = "kendryte,k210-sha256";
- reg = <0x502C0000 0x100>;
- clocks = <&sysclk K210_CLK_SHA>;
- resets = <&sysrst K210_RST_SHA>;
- status = "disabled";
- };
- timer0: timer@502D0000 {
- compatible = "kendryte,k210-timer",
- "snps,dw-apb-timer";
- reg = <0x502D0000 0x100>;
- interrupts = <14 15>;
- clocks = <&sysclk K210_CLK_TIMER0>;
- clock-names = "timer";
- resets = <&sysrst K210_RST_TIMER0>;
- status = "disabled";
- };
- timer1: timer@502E0000 {
- compatible = "kendryte,k210-timer",
- "snps,dw-apb-timer";
- reg = <0x502E0000 0x100>;
- interrupts = <16 17>;
- clocks = <&sysclk K210_CLK_TIMER1>;
- clock-names = "timer";
- resets = <&sysrst K210_RST_TIMER1>;
- status = "disabled";
- };
- timer2: timer@502F0000 {
- compatible = "kendryte,k210-timer",
- "snps,dw-apb-timer";
- reg = <0x502F0000 0x100>;
- interrupts = <18 19>;
- clocks = <&sysclk K210_CLK_TIMER2>;
- clock-names = "timer";
- resets = <&sysrst K210_RST_TIMER2>;
- status = "disabled";
- };
- };
- apb1: bus@50400000 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "kendryte,k210-apb", "simple-pm-bus";
- ranges;
- clocks = <&sysclk K210_CLK_APB1>;
- wdt0: watchdog@50400000 {
- compatible = "kendryte,k210-wdt", "snps,dw-wdt";
- reg = <0x50400000 0x100>;
- interrupts = <21>;
- clocks = <&sysclk K210_CLK_WDT0>;
- resets = <&sysrst K210_RST_WDT0>;
- status = "disabled";
- };
- wdt1: watchdog@50410000 {
- compatible = "kendryte,k210-wdt", "snps,dw-wdt";
- reg = <0x50410000 0x100>;
- interrupts = <22>;
- clocks = <&sysclk K210_CLK_WDT1>;
- resets = <&sysrst K210_RST_WDT1>;
- status = "disabled";
- };
- otp0: nvmem@50420000 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "kendryte,k210-otp";
- reg = <0x50420000 0x100>,
- <0x88000000 0x20000>;
- reg-names = "reg", "mem";
- clocks = <&sysclk K210_CLK_ROM>;
- resets = <&sysrst K210_RST_ROM>;
- read-only;
- status = "disabled";
- /* Bootloader */
- firmware@00000 {
- reg = <0x00000 0xC200>;
- };
- /*
- * config string as described in RISC-V
- * privileged spec 1.9
- */
- config-1-9@1c000 {
- reg = <0x1C000 0x1000>;
- };
- /*
- * Device tree containing only registers,
- * interrupts, and cpus
- */
- fdt@1d000 {
- reg = <0x1D000 0x2000>;
- };
- /* CPU/ROM credits */
- credits@1f000 {
- reg = <0x1F000 0x1000>;
- };
- };
- dvp0: camera@50430000 {
- compatible = "kendryte,k210-dvp";
- reg = <0x50430000 0x100>;
- interrupts = <24>;
- clocks = <&sysclk K210_CLK_DVP>;
- resets = <&sysrst K210_RST_DVP>;
- status = "disabled";
- };
- sysctl: syscon@50440000 {
- compatible = "kendryte,k210-sysctl",
- "syscon", "simple-mfd";
- reg = <0x50440000 0x100>;
- reg-io-width = <4>;
- sysclk: clock-controller {
- #clock-cells = <1>;
- compatible = "kendryte,k210-clk";
- clocks = <&in0>;
- };
- sysrst: reset-controller {
- compatible = "kendryte,k210-rst",
- "syscon-reset";
- #reset-cells = <1>;
- regmap = <&sysctl>;
- offset = <K210_SYSCTL_PERI_RESET>;
- mask = <0x27FFFFFF>;
- assert-high = <1>;
- };
- reboot {
- compatible = "syscon-reboot";
- regmap = <&sysctl>;
- offset = <K210_SYSCTL_SOFT_RESET>;
- mask = <1>;
- value = <1>;
- };
- };
- aes0: aes@50450000 {
- compatible = "kendryte,k210-aes";
- reg = <0x50450000 0x100>;
- clocks = <&sysclk K210_CLK_AES>;
- resets = <&sysrst K210_RST_AES>;
- status = "disabled";
- };
- rtc: rtc@50460000 {
- compatible = "kendryte,k210-rtc";
- reg = <0x50460000 0x100>;
- clocks = <&in0>;
- resets = <&sysrst K210_RST_RTC>;
- interrupts = <20>;
- status = "disabled";
- };
- };
- apb2: bus@52000000 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "kendryte,k210-apb", "simple-pm-bus";
- ranges;
- clocks = <&sysclk K210_CLK_APB2>;
- spi0: spi@52000000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "kendryte,k210-spi",
- "snps,dw-apb-ssi";
- reg = <0x52000000 0x100>;
- interrupts = <1>;
- clocks = <&sysclk K210_CLK_SPI0>;
- clock-names = "ssi_clk";
- resets = <&sysrst K210_RST_SPI0>;
- spi-max-frequency = <25000000>;
- num-cs = <4>;
- reg-io-width = <4>;
- status = "disabled";
- };
- spi1: spi@53000000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "kendryte,k210-spi",
- "snps,dw-apb-ssi";
- reg = <0x53000000 0x100>;
- interrupts = <2>;
- clocks = <&sysclk K210_CLK_SPI1>;
- clock-names = "ssi_clk";
- resets = <&sysrst K210_RST_SPI1>;
- spi-max-frequency = <25000000>;
- num-cs = <4>;
- reg-io-width = <4>;
- status = "disabled";
- };
- spi3: spi@54000000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "kendryte,k210-spi",
- "snps,dw-apb-ssi";
- reg = <0x54000000 0x200>;
- interrupts = <4>;
- clocks = <&sysclk K210_CLK_SPI3>;
- clock-names = "ssi_clk";
- resets = <&sysrst K210_RST_SPI3>;
- /* Could possibly go up to 200 MHz */
- spi-max-frequency = <100000000>;
- num-cs = <4>;
- reg-io-width = <4>;
- status = "disabled";
- };
- };
- };
- };
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