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-rw-r--r--arch/riscv/boot/dts/canaan/k210.dtsi502
1 files changed, 502 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
new file mode 100644
index 000000000..07e2e2649
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -0,0 +1,502 @@
+// 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>;
+ };
+ };
+ };
+};