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- /dts-v1/;
- / {
- model = "T-HEAD c910 light";
- compatible = "thead,c910_light";
- #address-cells = <2>;
- #size-cells = <2>;
- memory@0 {
- device_type = "memory";
- reg = <0x0 0xc0000000 0x0 0x40000000>;
- };
- aliases {
- spi0 = &spi0;
- spi1 = &qspi0;
- spi2 = &qspi1;
- };
- cpus {
- #address-cells = <1>;
- #size-cells = <0>;
- timebase-frequency = <3000000>;
- u-boot,dm-pre-reloc;
- cpu@0 {
- device_type = "cpu";
- reg = <0>;
- status = "okay";
- compatible = "riscv";
- riscv,isa = "rv64imafdcvsu";
- mmu-type = "riscv,sv39";
- u-boot,dm-pre-reloc;
- };
- };
- soc {
- #address-cells = <2>;
- #size-cells = <2>;
- compatible = "simple-bus";
- ranges;
- u-boot,dm-pre-reloc;
- dummy_apb: apb-clock {
- compatible = "fixed-clock";
- clock-frequency = <62500000>;
- clock-output-names = "dummy_apb";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_ahb: ahb-clock {
- compatible = "fixed-clock";
- clock-frequency = <250000000>;
- clock-output-names = "core";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_spi: spi-clock {
- compatible = "fixed-clock";
- clock-frequency = <396000000>;
- clock-output-names = "dummy_spi";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_qspi0: qspi0-clock {
- compatible = "fixed-clock";
- clock-frequency = <792000000>;
- clock-output-names = "dummy_qspi0";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_uart_sclk: uart-sclk-clock {
- compatible = "fixed-clock";
- clock-frequency = <100000000>;
- clock-output-names = "dummy_uart_sclk";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_i2c_icclk: i2c-icclk-clock {
- compatible = "fixed-clock";
- clock-frequency = <50000000>;
- clock-output-names = "dummy_i2c_icclk";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_dpu_pixclk: dpu-pix-clock {
- compatible = "fixed-clock";
- clock-frequency = <74250000>;
- clock-output-names = "dummy_dpu_pixclk";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- dummy_dphy_refclk: dphy-ref-clock {
- compatible = "fixed-clock";
- clock-frequency = <24000000>;
- clock-output-names = "dummy_dpu_refclk";
- #clock-cells = <0>;
- u-boot,dm-pre-reloc;
- };
- i2c0: i2c@ffe7f20000 {
- compatible = "snps,designware-i2c";
- reg = <0xff 0xe7f20000 0x0 0x4000>;
- clocks = <&dummy_i2c_icclk>;
- clock-frequency = <100000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
- i2c1: i2c@ffe7f24000{
- compatible = "snps,designware-i2c";
- reg = <0xff 0xe7f24000 0x0 0x4000>;
- clocks = <&dummy_i2c_icclk>;
- clock-frequency = <100000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
- i2c2: i2c@ffec00c000{
- compatible = "snps,designware-i2c";
- reg = <0xff 0xec00c000 0x0 0x4000>;
- clocks = <&dummy_i2c_icclk>;
- clock-frequency = <100000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
- i2c3: i2c@ffec014000{
- compatible = "snps,designware-i2c";
- reg = <0xff 0xec014000 0x0 0x4000>;
- clocks = <&dummy_i2c_icclk>;
- clock-frequency = <100000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
- i2c4: i2c@ffe7f28000{
- compatible = "snps,designware-i2c";
- reg = <0xff 0xe7f28000 0x0 0x4000>;
- clocks = <&dummy_i2c_icclk>;
- clock-frequency = <100000>;
- #address-cells = <1>;
- #size-cells = <0>;
- pcal6408ahk_a: gpio@20 {
- compatible = "nxp,pca9554";
- reg = <0x20>;
- gpio-controller;
- #gpio-cells = <2>;
- };
- };
- i2c5: i2c@fff7f2c000{
- compatible = "snps,designware-i2c";
- reg = <0xff 0xf7f2c000 0x0 0x4000>;
- clocks = <&dummy_i2c_icclk>;
- clock-frequency = <100000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
- serial@ffe7014000 {
- compatible = "snps,dw-apb-uart";
- reg = <0xff 0xe7014000 0x0 0x400>;
- clocks = <&dummy_uart_sclk>;
- clock-frequency = <100000000>;
- clock-names = "baudclk";
- reg-shift = <2>;
- reg-io-width = <4>;
- u-boot,dm-pre-reloc;
- };
- gmac0: ethernet@ffe7070000 {
- compatible = "snps,dwmac";
- reg = <0xff 0xe7070000 0x0 0x2000>;
- clocks = <&dummy_apb>;
- clock-names = "stmmaceth";
- snps,pbl = <32>;
- snps,fixed-burst;
- phy-mode = "rgmii-id";
- phy-handle = <&phy_88E1111_a>;
- status = "okay";
- mdio0 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "snps,dwmac-mdio";
- phy_88E1111_a: ethernet-phy@1 {
- reg = <0x1>;
- };
- phy_88E1111_b: ethernet-phy@2 {
- reg = <0x2>;
- };
- };
- };
- gmac1: ethernet@ffe7060000 {
- compatible = "snps,dwmac";
- reg = <0xff 0xe7060000 0x0 0x2000>;
- clocks = <&dummy_apb>;
- clock-names = "stmmaceth";
- snps,pbl = <32>;
- snps,fixed-burst;
- phy-mode = "rgmii-id";
- phy-handle = <&phy_88E1111_b>;
- status = "okay";
- };
- emmc: sdhci@ffe7080000 {
- compatible = "snps,dwcmshc-sdhci";
- reg = <0xff 0xe7080000 0x0 0x10000>;
- index = <0x0>;
- clocks = <&dummy_ahb>;
- clock-frequency = <198000000>;
- clock-names = "core";
- max-frequency = <198000000>;
- sdhci-caps-mask = <0x0 0x1000000>;
- mmc-hs400-1_8v;
- non-removable;
- no-sdio;
- no-sd;
- bus-width = <8>;
- voltage= "1.8v";
- pull_up;
- io_fixed_1v8;
- fifo-mode;
- u-boot,dm-pre-reloc;
- };
- sdhci0: sd@ffe7090000 {
- compatible = "snps,dwcmshc-sdhci";
- reg = <0xff 0xe7090000 0x0 0x10000>;
- index = <0x1>;
- clocks = <&dummy_ahb>;
- clock-frequency = <198000000>;
- max-frequency = <198000000>;
- sd-uhs-sdr104;
- pull_up;
- clock-names = "core";
- bus-width = <4>;
- voltage= "3.3v";
- };
- qspi0: spi@ffea000000 {
- compatible = "snps,dw-apb-ssi-quad";
- reg = <0xff 0xea000000 0x0 0x1000>;
- clocks = <&dummy_qspi0>;
- num-cs = <1>;
- cs-gpio = <&gpio2_porta 3 0>; // GPIO_ACTIVE_HIGH: 0
- spi-max-frequency = <100000000>;
- #address-cells = <1>;
- #size-cells =<0>;
- spi-flash@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "spi-nand";
- spi-tx-bus-width = <4>;
- spi-rx-bus-width = <4>;
- reg = <0>;
- };
- };
- qspi1: spi@fff8000000 {
- compatible = "snps,dw-apb-ssi-quad";
- reg = <0xff 0xf8000000 0x0 0x1000>;
- clocks = <&dummy_spi>;
- num-cs = <1>;
- cs-gpio = <&gpio0_porta 1 0>; // GPIO_ACTIVE_HIGH: 0
- spi-max-frequency = <66000000>;
- #address-cells = <1>;
- #size-cells =<0>;
- spi-flash@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "spi-nand";
- spi-tx-bus-width = <4>;
- spi-rx-bus-width = <4>;
- reg = <0>;
- };
- };
- spi0: spi@ffe700c000 {
- compatible = "snps,dw-apb-ssi";
- reg = <0xff 0xe700c000 0x0 0x1000>;
- clocks = <&dummy_spi>;
- cs-gpio = <&gpio2_porta 15 0>;
- spi-max-frequency = <100000000>;
- #address-cells = <1>;
- #size-cells = <0>;
- flash@0 {
- compatible = "jedec,spi-nor";
- reg = <0>;
- spi-max-frequency = <40000000>;
- };
- };
- gpio2: gpio@ffe7f34000 {
- compatible = "snps,dw-apb-gpio";
- reg = <0xff 0xe7f34000 0x0 0x1000>;
- clocks = <&dummy_apb>;
- #address-cells = <1>;
- #size-cells = <0>;
- gpio2_porta: gpio-controller@0 {
- compatible = "snps,dw-apb-gpio-port";
- gpio-controller;
- #gpio-cells = <2>;
- snps,nr-gpios = <32>;
- reg = <0>;
- };
- };
- gpio0: gpio@ffec005000 {
- compatible = "snps,dw-apb-gpio";
- reg = <0xff 0xec005000 0x0 0x1000>;
- clocks = <&dummy_apb>;
- #address-cells = <1>;
- #size-cells = <0>;
- gpio0_porta: gpio-controller@0 {
- compatible = "snps,dw-apb-gpio-port";
- gpio-controller;
- #gpio-cells = <2>;
- snps,nr-gpios = <32>;
- reg = <0>;
- };
- };
- gpio1: gpio@ffec006000 {
- compatible = "snps,dw-apb-gpio";
- reg = <0xff 0xec006000 0x0 0x1000>;
- clocks = <&dummy_apb>;
- #address-cells = <1>;
- #size-cells = <0>;
- gpio1_porta: gpio-controller@0 {
- compatible = "snps,dw-apb-gpio-port";
- gpio-controller;
- #gpio-cells = <2>;
- snps,nr-gpios = <32>;
- reg = <0>;
- };
- };
- pwm: pwm@ffec01c000 {
- compatible = "thead,pwm-light";
- reg = <0xff 0xec01c000 0x0 0x4000>;
- #pwm-cells = <2>;
- };
- dsi_regs: dsi-controller@ffef500000 {
- compatible = "thead,light-dsi-regs", "syscon";
- reg = <0xff 0xef500000 0x0 0x10000>;
- status = "okay";
- };
- vosys_regs: vosys@ffef528000 {
- compatible = "thead,light-vo-subsys", "syscon";
- reg = <0xff 0xef528000 0x0 0x1000>;
- status = "okay";
- };
- dpu: dc8200@ffef600000 {
- compatible = "verisilicon,dc8200";
- reg = <0xff 0xef600000 0x0 0x100>;
- };
- axiscr {
- compatible = "thead,axiscr";
- reg = <0xff 0xff004000 0x0 0x1000>;
- lock-read = "okay";
- lock-write = "okay";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- axiscr0: axisrc@0 {
- device_type = "axiscr";
- region = <0x00 0x00000000 0x00 0x80000000>; // 4KB align
- status = "disabled";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- };
- axiscr1: axisrc@1 {
- device_type = "axiscr";
- region = <0x00 0x80000000 0x00 0x80000000>; // 4KB align
- status = "disabled";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- };
- axiscr2: axisrc@2 {
- device_type = "axiscr";
- region = <0x01 0x00000000 0x00 0x80000000>; // 4KB align
- status = "disabled";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- };
- };
- axiparity {
- compatible = "thead,axiparity";
- reg = <0xff 0xff00c000 0x0 0x1000>;
- lock = "okay";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- axiparity0: axiparity@0 {
- device_type = "axiparity";
- region = <0x00 0x00000000 0x01 0x0000000>; // 4KB align
- status = "disabled";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- };
- axiparity1: axiparity@1 {
- device_type = "axiparity";
- region = <0x01 0x00000000 0x01 0x00000000>; // 4KB align
- status = "disabled";
- #address-cells = <2>;
- #size-cells = <2>;
- u-boot,dm-pre-reloc;
- };
- };
- dsi_bridge: dsi-bridge {
- compatible = "thead,light-dsi-bridge";
- clocks = <&dummy_dpu_pixclk>;
- clock-names = "pix-clk";
- phys = <&dsi_dphy>;
- phy-names = "dphy";
- };
- dsi_host: dsi-host {
- compatible = "synopsys,dw-mipi-dsi";
- regmap = <&dsi_regs>;
- status = "okay";
- };
- dsi_dphy: dsi-dphy {
- compatible = "synopsys,dw-dphy";
- regmap = <&dsi_regs>;
- vosys-regmap = <&vosys_regs>;
- clocks = <&dummy_dpu_pixclk>, <&dummy_dphy_refclk>;
- clock-names = "pix-clk", "ref-clk";
- #phy-cells = <0>;
- status = "okay";
- };
- lcd_backlight: pwm-backlight {
- compatible = "pwm-backlight";
- pwms = <&pwm 0 5000000>;
- brightness-levels = <0 4 8 16 32 64 128 255>;
- default-brightness-level = <7>;
- };
- ili9881c_panel {
- compatible = "ilitek,ili9881c";
- backlight = <&lcd_backlight>;
- reset-gpios = <&gpio1_porta 5 1>; /* active low */
- lcd-en-gpios = <&pcal6408ahk_a 2 0>; /* active high */
- lcd-bias-en-gpios = <&pcal6408ahk_a 4 0>;/* active high */
- };
- };
- chosen {
- bootargs = "console=ttyS0,115200";
- stdout-path = "/soc/serial@ffe7014000:115200";
- };
- };
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