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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/pinctrl/k210-pinctrl.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 = "canaan,kendryte-k210";
aliases {
cpu0 = &cpu0;
cpu1 = &cpu1;
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 = "canaan,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 = "canaan,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 = "canaan,k210-sram";
reg = <0x80000000 0x400000>,
<0x80400000 0x200000>,
<0x80600000 0x200000>;
reg-names = "sram0", "sram1", "aisram";
clocks = <&sysclk K210_CLK_SRAM0>,
<&sysclk K210_CLK_SRAM1>,
<&sysclk K210_CLK_AI>;
clock-names = "sram0", "sram1", "aisram";
u-boot,dm-pre-reloc;
};
clocks {
in0: osc {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <26000000>;
u-boot,dm-pre-reloc;
};
};
soc {
#address-cells = <1>;
#size-cells = <1>;
compatible = "canaan,k210-soc", "simple-bus";
ranges;
interrupt-parent = <&plic0>;
debug0: debug@0 {
compatible = "canaan,k210-debug", "riscv,debug";
reg = <0x0 0x1000>;
};
rom0: nvmem@1000 {
reg = <0x1000 0x1000>;
read-only;
};
clint0: clint@2000000 {
#interrupt-cells = <1>;
compatible = "canaan,k210-clint", "sifive,clint0", "riscv,clint0";
reg = <0x2000000 0xC000>;
interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
<&cpu1_intc 3>, <&cpu1_intc 7>;
clocks = <&sysclk K210_CLK_CLINT>;
};
plic0: interrupt-controller@C000000 {
#interrupt-cells = <1>;
compatible = "canaan,k210-plic", "sifive,plic-1.0.0", "riscv,plic0";
reg = <0xC000000 0x4000000>;
interrupt-controller;
interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>,
<&cpu1_intc 11>, <&cpu1_intc 9>;
riscv,ndev = <65>;
riscv,max-priority = <7>;
};
uarths0: serial@38000000 {
compatible = "canaan,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 = "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>;
status = "disabled";
};
kpu0: kpu@40800000 {
compatible = "canaan,k210-kpu";
reg = <0x40800000 0xc00000>;
interrupts = <25>;
clocks = <&sysclk K210_CLK_AI>;
status = "disabled";
};
fft0: fft@42000000 {
compatible = "canaan,k210-fft";
reg = <0x42000000 0x400000>;
interrupts = <26>;
clocks = <&sysclk K210_CLK_FFT>;
resets = <&sysrst K210_RST_FFT>;
status = "disabled";
};
dmac0: dma-controller@50000000 {
compatible = "canaan,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 = <0x200000 0x200000 0x200000
0x200000 0x200000 0x200000>;
snps,axi-max-burst-len = <256>;
status = "disabled";
};
apb0: bus@50200000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "canaan,k210-apb", "simple-pm-bus";
ranges;
clocks = <&sysclk K210_CLK_APB0>;
gpio1: gpio-controller@50200000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "canaan,k210-gpio",
"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>;
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 = "canaan,k210-uart",
"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;
status = "disabled";
};
uart2: serial@50220000 {
compatible = "canaan,k210-uart",
"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;
status = "disabled";
};
uart3: serial@50230000 {
compatible = "canaan,k210-uart",
"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;
status = "disabled";
};
spi2: spi@50240000 {
compatible = "canaan,k210-spi",
"snps,dw-apb-ssi-4.01",
"snps,dw-apb-ssi";
spi-slave;
reg = <0x50240000 0x100>;
interrupts = <2>;
clocks = <&sysclk K210_CLK_SPI2>,
<&sysclk K210_CLK_APB0>;
clock-names = "ssi_clk", "pclk";
resets = <&sysrst K210_RST_SPI2>;
spi-max-frequency = <25000000>;
status = "disabled";
};
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>;
status = "disabled";
};
apu0: sound@520250200 {
compatible = "canaan,k210-apu";
reg = <0x50250200 0x200>;
status = "disabled";
};
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>;
status = "disabled";
};
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>;
status = "disabled";
};
i2c0: i2c@50280000 {
compatible = "canaan,k210-i2c",
"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>;
status = "disabled";
};
i2c1: i2c@50290000 {
compatible = "canaan,k210-i2c",
"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>;
status = "disabled";
};
i2c2: i2c@502A0000 {
compatible = "canaan,k210-i2c",
"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>;
status = "disabled";
};
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 K210_SYSCTL_POWER_SEL>;
pinctrl-0 = <&fpioa_jtag>;
pinctrl-names = "default";
status = "disabled";
fpioa_jtag: jtag {
pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
<K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
<K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
<K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
};
};
sha256: sha256@502C0000 {
compatible = "canaan,k210-sha256";
reg = <0x502C0000 0x100>;
clocks = <&sysclk K210_CLK_SHA>;
resets = <&sysrst K210_RST_SHA>;
status = "disabled";
};
timer0: timer@502D0000 {
compatible = "canaan,k210-timer",
"snps,dw-apb-timer";
reg = <0x502D0000 0x100>;
interrupts = <14 15>;
clocks = <&sysclk K210_CLK_TIMER0>,
<&sysclk K210_CLK_APB0>;
clock-names = "timer", "pclk";
resets = <&sysrst K210_RST_TIMER0>;
status = "disabled";
};
timer1: timer@502E0000 {
compatible = "canaan,k210-timer",
"snps,dw-apb-timer";
reg = <0x502E0000 0x100>;
interrupts = <16 17>;
clocks = <&sysclk K210_CLK_TIMER1>,
<&sysclk K210_CLK_APB0>;
clock-names = "timer", "pclk";
resets = <&sysrst K210_RST_TIMER1>;
status = "disabled";
};
timer2: timer@502F0000 {
compatible = "canaan,k210-timer",
"snps,dw-apb-timer";
reg = <0x502F0000 0x100>;
interrupts = <18 19>;
clocks = <&sysclk K210_CLK_TIMER2>,
<&sysclk K210_CLK_APB0>;
clock-names = "timer", "pclk";
resets = <&sysrst K210_RST_TIMER2>;
status = "disabled";
};
};
apb1: bus@50400000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "canaan,k210-apb", "simple-pm-bus";
ranges;
clocks = <&sysclk K210_CLK_APB1>;
wdt0: watchdog@50400000 {
compatible = "canaan,k210-wdt", "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 = "canaan,k210-wdt", "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>;
status = "disabled";
};
otp0: nvmem@50420000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "canaan,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 = "canaan,k210-dvp";
reg = <0x50430000 0x100>;
interrupts = <24>;
clocks = <&sysclk K210_CLK_DVP>;
resets = <&sysrst K210_RST_DVP>;
canaan,k210-sysctl = <&sysctl>;
canaan,k210-misc-offset = <K210_SYSCTL_MISC>;
status = "disabled";
};
sysctl: syscon@50440000 {
compatible = "canaan,k210-sysctl",
"syscon", "simple-mfd";
reg = <0x50440000 0x100>;
clocks = <&sysclk K210_CLK_APB1>;
clock-names = "pclk";
reg-io-width = <4>;
u-boot,dm-pre-reloc;
sysclk: clock-controller {
#clock-cells = <1>;
compatible = "canaan,k210-clk";
clocks = <&in0>;
assigned-clocks = <&sysclk K210_CLK_PLL1>;
assigned-clock-rates = <390000000>;
u-boot,dm-pre-reloc;
};
sysrst: reset-controller {
compatible = "canaan,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 = "canaan,k210-aes";
reg = <0x50450000 0x100>;
clocks = <&sysclk K210_CLK_AES>;
resets = <&sysrst K210_RST_AES>;
status = "disabled";
};
rtc: rtc@50460000 {
compatible = "canaan,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 = "canaan,k210-apb", "simple-pm-bus";
ranges;
clocks = <&sysclk K210_CLK_APB2>;
spi0: spi@52000000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "canaan,k210-spi",
"snps,dw-apb-ssi-4.01",
"snps,dw-apb-ssi";
reg = <0x52000000 0x100>;
interrupts = <1>;
clocks = <&sysclk K210_CLK_SPI0>,
<&sysclk K210_CLK_APB2>;
clock-names = "ssi_clk", "pclk";
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 = "canaan,k210-spi",
"snps,dw-apb-ssi-4.01",
"snps,dw-apb-ssi";
reg = <0x53000000 0x100>;
interrupts = <2>;
clocks = <&sysclk K210_CLK_SPI1>,
<&sysclk K210_CLK_APB2>;
clock-names = "ssi_clk", "pclk";
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 = "canaan,k210-ssi",
"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>;
/* Could possibly go up to 200 MHz */
spi-max-frequency = <100000000>;
num-cs = <4>;
reg-io-width = <4>;
status = "disabled";
};
};
};
};