mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-31 22:23:05 +00:00
bb510ddc9d
Cobra are Touchscreen devices built around the PX30 SoC using a variety of display options. The devices feature an EMMC, network port, usb host + OTG ports and a 720x1280 display with a touchscreen. Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de> Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de> Link: https://lore.kernel.org/r/20250514150745.2437804-5-heiko@sntech.de Signed-off-by: Heiko Stuebner <heiko@sntech.de>
567 lines
11 KiB
Plaintext
567 lines
11 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2025 Cherry Embedded Solutions GmbH
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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#include "px30.dtsi"
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/ {
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aliases {
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ethernet0 = &gmac;
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mmc0 = &emmc;
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};
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chosen {
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stdout-path = "serial5:115200n8";
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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power-supply = <&vcc5v0_sys>;
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pwms = <&pwm0 0 25000 0>;
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};
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beeper {
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compatible = "pwm-beeper";
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pwms = <&pwm1 0 1000 0>;
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};
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emmc_pwrseq: emmc-pwrseq {
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compatible = "mmc-pwrseq-emmc";
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pinctrl-0 = <&emmc_reset>;
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pinctrl-names = "default";
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reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_HIGH>;
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};
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gpio-leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&heartbeat_led_pin>;
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/*
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* LED14 on the PCB. Typically NOT populated.
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*/
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led-0 {
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color = <LED_COLOR_ID_BLUE>;
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gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_HIGH>;
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label = "heartbeat";
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linux,default-trigger = "heartbeat";
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};
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};
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pwm-leds {
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compatible = "pwm-leds";
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ring_red: led-0 {
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color = <LED_COLOR_ID_RED>;
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default-state = "off";
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label = "ring_red";
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pwms = <&pwm5 0 1000000 0>;
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max-brightness = <255>;
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};
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ring_green: led-1 {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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label = "ring_green";
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pwms = <&pwm6 0 1000000 0>;
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max-brightness = <255>;
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};
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ring_blue: led-2 {
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color = <LED_COLOR_ID_BLUE>;
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default-state = "off";
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label = "ring_blue";
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pwms = <&pwm7 0 1000000 0>;
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max-brightness = <255>;
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};
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};
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/* also named 5V_Q7 in schematics */
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vcc5v0_sys: regulator-vccsys {
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compatible = "regulator-fixed";
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regulator-name = "vcc5v0_sys";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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};
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&cpu0 {
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cpu-supply = <&vdd_arm>;
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};
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&cpu1 {
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cpu-supply = <&vdd_arm>;
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};
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&cpu2 {
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cpu-supply = <&vdd_arm>;
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};
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&cpu3 {
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cpu-supply = <&vdd_arm>;
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};
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&display_subsystem {
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status = "okay";
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};
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&dsi_dphy {
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status = "okay";
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};
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&emmc {
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bus-width = <8>;
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cap-mmc-highspeed;
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/*
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* For hs200 support, U-Boot would have to set the RK809 DCDC4
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* rail to 1.8V from the default of 3.0V. It doesn't do that on
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* devices out in the field, so disable hs200.
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* mmc-hs200-1_8v;
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*/
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mmc-pwrseq = <&emmc_pwrseq>;
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non-removable;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&vcc_emmc>;
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status = "okay";
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};
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&gmac {
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clock_in_out = "output";
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phy-handle = <&dp83825>;
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phy-supply = <&vcc_3v3>;
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status = "okay";
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};
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&gpu {
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mali-supply = <&vdd_log>;
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status = "okay";
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};
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/* I2C0 = PMIC, STUSB4500, RTC */
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&i2c0 {
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status = "okay";
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rk809: pmic@20 {
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compatible = "rockchip,rk809";
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reg = <0x20>;
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#clock-cells = <0>;
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clock-output-names = "xin32k";
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interrupt-parent = <&gpio0>;
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interrupts = <RK_PA7 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&pmic_int>;
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system-power-controller;
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wakeup-source;
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vcc1-supply = <&vcc5v0_sys>;
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vcc2-supply = <&vcc5v0_sys>;
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vcc3-supply = <&vcc5v0_sys>;
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vcc4-supply = <&vcc5v0_sys>;
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vcc5-supply = <&vcc_3v3>;
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vcc6-supply = <&vcc_3v3>;
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vcc7-supply = <&vcc_3v3>;
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vcc9-supply = <&vcc5v0_sys>;
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regulators {
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vdd_log: DCDC_REG1 {
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regulator-name = "vdd_log";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <950000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <6001>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <950000>;
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};
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};
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vdd_arm: DCDC_REG2 {
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regulator-name = "vdd_arm";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <950000>;
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regulator-max-microvolt = <1350000>;
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regulator-ramp-delay = <6001>;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <950000>;
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};
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};
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vcc_ddr: DCDC_REG3 {
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regulator-name = "vcc_ddr";
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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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};
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};
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vcc_3v0_1v8: vcc_emmc: DCDC_REG4 {
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regulator-name = "vcc_3v0_1v8";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3000000>;
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};
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};
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vcc_3v3: DCDC_REG5 {
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regulator-name = "vcc_3v3";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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};
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};
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vcc_1v8: LDO_REG2 {
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regulator-name = "vcc_1v8";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1800000>;
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};
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};
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vcc_1v0: LDO_REG3 {
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regulator-name = "vcc_1v0";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1000000>;
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};
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};
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vcc_2v8: LDO_REG4 {
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regulator-name = "vcc_2v8";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <2800000>;
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};
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};
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/*
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* vccio_sd also supplies the vmmc supply on prototypes
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* with sd-slots, so needs to stay single voltage for
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* those. Production models don't have sd-slots anymore
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* and only supply vccio2 from this regulator.
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*/
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vccio_sd: LDO_REG5 {
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regulator-name = "vccio_sd";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3000000>;
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};
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};
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/* vcc_sdio also supplies the pull-up resistors for i2c1 */
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vcc_sdio: LDO_REG6 {
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regulator-name = "vcc_sdio";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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};
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};
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vcc_lcd: LDO_REG7 {
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regulator-name = "vcc_lcd";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <1000000>;
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};
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};
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vcc_1v8_lcd: LDO_REG8 {
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regulator-name = "vcc_1v8_lcd";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1800000>;
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};
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};
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vcca_1v8: LDO_REG9 {
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regulator-name = "vcca_1v8";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <1800000>;
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};
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};
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};
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};
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};
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&i2c1 {
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clock-frequency = <100000>;
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status = "okay";
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};
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&i2c2 {
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clock-frequency = <100000>;
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i2c-scl-falling-time-ns = <50>;
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i2c-scl-rising-time-ns = <300>;
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status = "okay";
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touchscreen@14 {
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compatible = "goodix,gt911";
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reg = <0x14>;
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AVDD28-supply = <&vcc_2v8>;
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interrupt-parent = <&gpio0>;
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interrupts = <RK_PA1 IRQ_TYPE_LEVEL_LOW>;
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irq-gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&tch_int &tch_rst>;
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reset-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
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touchscreen-inverted-x;
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VDDIO-supply = <&vcc_3v3>;
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};
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};
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/*
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* Enable pull-ups to prevent floating pins when the touch
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* panel is not connected.
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*/
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&i2c2_xfer {
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rockchip,pins =
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<2 RK_PB7 2 &pcfg_pull_up>,
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<2 RK_PC0 2 &pcfg_pull_up>;
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};
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&io_domains {
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vccio1-supply = <&vcc_sdio>;
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vccio2-supply = <&vccio_sd>;
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vccio3-supply = <&vcc_3v3>;
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vccio4-supply = <&vcc_3v3>;
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vccio5-supply = <&vcc_1v8>;
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vccio6-supply = <&vcc_emmc>;
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status = "okay";
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};
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&mdio {
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dp83825: ethernet-phy@0 {
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compatible = "ethernet-phy-ieee802.3-c22";
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reg = <0x0>;
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pinctrl-names = "default";
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pinctrl-0 = <&phy_rst>;
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reset-assert-us = <50000>;
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reset-deassert-us = <50000>;
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reset-gpios = <&gpio2 RK_PB6 GPIO_ACTIVE_LOW>;
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};
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};
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&pinctrl {
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pinctrl-names = "default";
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pinctrl-0 = <&cobra_pin_hog>;
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hog {
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cobra_pin_hog: cobra-pin-hog {
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rockchip,pins =
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/* USB_HUB2_RESET */
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<0 RK_PA5 RK_FUNC_GPIO &pcfg_output_high>,
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/* USB_HUB1_RESET */
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<0 RK_PB4 RK_FUNC_GPIO &pcfg_output_high>,
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/* The default pull-down can keep the IC in reset. */
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<3 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>,
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/* USB-A 5V enable */
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<3 RK_PC0 RK_FUNC_GPIO &pcfg_output_high>,
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/* USB-A data enable */
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<3 RK_PD3 RK_FUNC_GPIO &pcfg_output_high>;
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};
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};
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emmc {
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emmc_reset: emmc-reset {
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rockchip,pins =
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<1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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ethernet {
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phy_rst: phy-rst {
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rockchip,pins =
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<2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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leds {
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heartbeat_led_pin: heartbeat-led-pin {
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rockchip,pins =
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<0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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panel {
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dsp_rst: dsp-rst {
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rockchip,pins =
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<0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>;
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};
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tch_int: tch-int {
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rockchip,pins =
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<0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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tch_rst: tch-rst {
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rockchip,pins =
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<0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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pmic {
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pmic_int: pmic-int {
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rockchip,pins =
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<0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>;
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};
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};
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};
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&pmu_io_domains {
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pmuio1-supply = <&vcc_3v3>;
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pmuio2-supply = <&vcc_3v3>;
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status = "okay";
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};
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&pwm0 {
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status = "okay";
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};
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&pwm1 {
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status = "okay";
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};
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&pwm5 {
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status = "okay";
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};
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&pwm6 {
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status = "okay";
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};
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&pwm7 {
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status = "okay";
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};
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&saradc {
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vref-supply = <&vcc_1v8>;
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status = "okay";
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};
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&tsadc {
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status = "okay";
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};
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&u2phy {
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status = "okay";
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};
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&u2phy_host {
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status = "okay";
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};
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&u2phy_otg {
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status = "okay";
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};
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&uart1 {
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/delete-property/ dmas;
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/delete-property/ dma-names;
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pinctrl-names = "default";
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pinctrl-0 = <&uart1_xfer>;
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status = "okay";
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};
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&uart5 {
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pinctrl-0 = <&uart5_xfer>;
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status = "okay";
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};
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|
&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";
|
|
};
|