// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2025 Cherry Embedded Solutions GmbH
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include "px30.dtsi"
/ {
aliases {
ethernet0 = &gmac;
mmc0 = &emmc;
};
chosen {
stdout-path = "serial5:115200n8";
};
backlight: backlight {
compatible = "pwm-backlight";
power-supply = <&vcc5v0_sys>;
pwms = <&pwm0 0 25000 0>;
};
beeper {
compatible = "pwm-beeper";
pwms = <&pwm1 0 1000 0>;
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
pinctrl-0 = <&emmc_reset>;
pinctrl-names = "default";
reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_HIGH>;
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&heartbeat_led_pin>;
/*
* LED14 on the PCB. Typically NOT populated.
*/
led-0 {
color = <LED_COLOR_ID_BLUE>;
gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_HIGH>;
label = "heartbeat";
linux,default-trigger = "heartbeat";
};
};
pwm-leds {
compatible = "pwm-leds";
ring_red: led-0 {
color = <LED_COLOR_ID_RED>;
default-state = "off";
label = "ring_red";
pwms = <&pwm5 0 1000000 0>;
max-brightness = <255>;
};
ring_green: led-1 {
color = <LED_COLOR_ID_GREEN>;
default-state = "off";
label = "ring_green";
pwms = <&pwm6 0 1000000 0>;
max-brightness = <255>;
};
ring_blue: led-2 {
color = <LED_COLOR_ID_BLUE>;
default-state = "off";
label = "ring_blue";
pwms = <&pwm7 0 1000000 0>;
max-brightness = <255>;
};
};
/* also named 5V_Q7 in schematics */
vcc5v0_sys: regulator-vccsys {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_sys";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
};
&cpu0 {
cpu-supply = <&vdd_arm>;
};
&cpu1 {
cpu-supply = <&vdd_arm>;
};
&cpu2 {
cpu-supply = <&vdd_arm>;
};
&cpu3 {
cpu-supply = <&vdd_arm>;
};
&display_subsystem {
status = "okay";
};
&dsi_dphy {
status = "okay";
};
&emmc {
bus-width = <8>;
cap-mmc-highspeed;
/*
* For hs200 support, U-Boot would have to set the RK809 DCDC4
* rail to 1.8V from the default of 3.0V. It doesn't do that on
* devices out in the field, so disable hs200.
* mmc-hs200-1_8v;
*/
mmc-pwrseq = <&emmc_pwrseq>;
non-removable;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vcc_emmc>;
status = "okay";
};
&gmac {
clock_in_out = "output";
phy-handle = <&dp83825>;
phy-supply = <&vcc_3v3>;
status = "okay";
};
&gpu {
mali-supply = <&vdd_log>;
status = "okay";
};
/* I2C0 = PMIC, STUSB4500, RTC */
&i2c0 {
status = "okay";
rk809: pmic@20 {
compatible = "rockchip,rk809";
reg = <0x20>;
#clock-cells = <0>;
clock-output-names = "xin32k";
interrupt-parent = <&gpio0>;
interrupts = <RK_PA7 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_int>;
system-power-controller;
wakeup-source;
vcc1-supply = <&vcc5v0_sys>;
vcc2-supply = <&vcc5v0_sys>;
vcc3-supply = <&vcc5v0_sys>;
vcc4-supply = <&vcc5v0_sys>;
vcc5-supply = <&vcc_3v3>;
vcc6-supply = <&vcc_3v3>;
vcc7-supply = <&vcc_3v3>;
vcc9-supply = <&vcc5v0_sys>;
regulators {
vdd_log: DCDC_REG1 {
regulator-name = "vdd_log";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1350000>;
regulator-ramp-delay = <6001>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <950000>;
};
};
vdd_arm: DCDC_REG2 {
regulator-name = "vdd_arm";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1350000>;
regulator-ramp-delay = <6001>;
regulator-state-mem {
regulator-off-in-suspend;
regulator-suspend-microvolt = <950000>;
};
};
vcc_ddr: DCDC_REG3 {
regulator-name = "vcc_ddr";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
vcc_3v0_1v8: vcc_emmc: DCDC_REG4 {
regulator-name = "vcc_3v0_1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3000000>;
};
};
vcc_3v3: DCDC_REG5 {
regulator-name = "vcc_3v3";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3300000>;
};
};
vcc_1v8: LDO_REG2 {
regulator-name = "vcc_1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
};
};
vcc_1v0: LDO_REG3 {
regulator-name = "vcc_1v0";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1000000>;
};
};
vcc_2v8: LDO_REG4 {
regulator-name = "vcc_2v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-state-mem {
regulator-off-in-suspend;
regulator-suspend-microvolt = <2800000>;
};
};
/*
* vccio_sd also supplies the vmmc supply on prototypes
* with sd-slots, so needs to stay single voltage for
* those. Production models don't have sd-slots anymore
* and only supply vccio2 from this regulator.
*/
vccio_sd: LDO_REG5 {
regulator-name = "vccio_sd";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3000000>;
};
};
/* vcc_sdio also supplies the pull-up resistors for i2c1 */
vcc_sdio: LDO_REG6 {
regulator-name = "vcc_sdio";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3300000>;
};
};
vcc_lcd: LDO_REG7 {
regulator-name = "vcc_lcd";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-state-mem {
regulator-off-in-suspend;
regulator-suspend-microvolt = <1000000>;
};
};
vcc_1v8_lcd: LDO_REG8 {
regulator-name = "vcc_1v8_lcd";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
};
};
vcca_1v8: LDO_REG9 {
regulator-name = "vcca_1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
regulator-suspend-microvolt = <1800000>;
};
};
};
};
};
&i2c1 {
clock-frequency = <100000>;
status = "okay";
};
&i2c2 {
clock-frequency = <100000>;
i2c-scl-falling-time-ns = <50>;
i2c-scl-rising-time-ns = <300>;
status = "okay";
touchscreen@14 {
compatible = "goodix,gt911";
reg = <0x14>;
AVDD28-supply = <&vcc_2v8>;
interrupt-parent = <&gpio0>;
interrupts = <RK_PA1 IRQ_TYPE_LEVEL_LOW>;
irq-gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&tch_int &tch_rst>;
reset-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
touchscreen-inverted-x;
VDDIO-supply = <&vcc_3v3>;
};
};
/*
* Enable pull-ups to prevent floating pins when the touch
* panel is not connected.
*/
&i2c2_xfer {
rockchip,pins =
<2 RK_PB7 2 &pcfg_pull_up>,
<2 RK_PC0 2 &pcfg_pull_up>;
};
&io_domains {
vccio1-supply = <&vcc_sdio>;
vccio2-supply = <&vccio_sd>;
vccio3-supply = <&vcc_3v3>;
vccio4-supply = <&vcc_3v3>;
vccio5-supply = <&vcc_1v8>;
vccio6-supply = <&vcc_emmc>;
status = "okay";
};
&mdio {
dp83825: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0x0>;
pinctrl-names = "default";
pinctrl-0 = <&phy_rst>;
reset-assert-us = <50000>;
reset-deassert-us = <50000>;
reset-gpios = <&gpio2 RK_PB6 GPIO_ACTIVE_LOW>;
};
};
&pinctrl {
pinctrl-names = "default";
pinctrl-0 = <&cobra_pin_hog>;
hog {
cobra_pin_hog: cobra-pin-hog {
rockchip,pins =
/* USB_HUB2_RESET */
<0 RK_PA5 RK_FUNC_GPIO &pcfg_output_high>,
/* USB_HUB1_RESET */
<0 RK_PB4 RK_FUNC_GPIO &pcfg_output_high>,
/* The default pull-down can keep the IC in reset. */
<3 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>,
/* USB-A 5V enable */
<3 RK_PC0 RK_FUNC_GPIO &pcfg_output_high>,
/* USB-A data enable */
<3 RK_PD3 RK_FUNC_GPIO &pcfg_output_high>;
};
};
emmc {
emmc_reset: emmc-reset {
rockchip,pins =
<1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
ethernet {
phy_rst: phy-rst {
rockchip,pins =
<2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
leds {
heartbeat_led_pin: heartbeat-led-pin {
rockchip,pins =
<0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
panel {
dsp_rst: dsp-rst {
rockchip,pins =
<0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>;
};
tch_int: tch-int {
rockchip,pins =
<0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
};
tch_rst: tch-rst {
rockchip,pins =
<0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
pmic {
pmic_int: pmic-int {
rockchip,pins =
<0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
};
&pmu_io_domains {
pmuio1-supply = <&vcc_3v3>;
pmuio2-supply = <&vcc_3v3>;
status = "okay";
};
&pwm0 {
status = "okay";
};
&pwm1 {
status = "okay";
};
&pwm5 {
status = "okay";
};
&pwm6 {
status = "okay";
};
&pwm7 {
status = "okay";
};
&saradc {
vref-supply = <&vcc_1v8>;
status = "okay";
};
&tsadc {
status = "okay";
};
&u2phy {
status = "okay";
};
&u2phy_host {
status = "okay";
};
&u2phy_otg {
status = "okay";
};
&uart1 {
/delete-property/ dmas;
/delete-property/ dma-names;
pinctrl-names = "default";
pinctrl-0 = <&uart1_xfer>;
status = "okay";
};
&uart5 {
pinctrl-0 = <&uart5_xfer>;
status = "okay";
};
&usb20_otg {
status = "okay";
};
&usb_host0_ehci {
status = "okay";
};
&usb_host0_ohci {
status = "okay";
};
&vopb {
status = "okay";
};
&vopb_mmu {
status = "okay";
};
&vopl {
status = "disabled";
};
&vopl_mmu {
status = "disabled";
};
&wdt {
status = "okay";
};
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