arm64: dts: rockchip: add PX30 evaluation board devicetree

This patch add px30-evb.dts for PX30 evaluation board.
Tested on PX30 evb.

Signed-off-by: Liang Chen <cl@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip.txt

@@ -172,6 +172,10 @@ Rockchip platforms device tree bindings
     Required root node properties:
       - compatible = "rockchip,px5-evb", "rockchip,px5", "rockchip,rk3368";
 
+- Rockchip PX30 Evaluation board:
+    Required root node properties:
+      - compatible = "rockchip,px30-evb", "rockchip,px30";
+
 - Rockchip RV1108 Evaluation board
     Required root node properties:
       - compatible = "rockchip,rv1108-evb", "rockchip,rv1108";

arch/arm64/boot/dts/rockchip/Makefile

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-roc-cc.dtb

arch/arm64/boot/dts/rockchip/px30-evb.dts

@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
+ */
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include "px30.dtsi"
+
+/ {
+	model = "Rockchip PX30 EVB";
+	compatible = "rockchip,px30-evb", "rockchip,px30";
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 2>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1800000>;
+		poll-interval = <100>;
+
+		esc-key {
+			label = "esc";
+			linux,code = <KEY_ESC>;
+			press-threshold-microvolt = <1310000>;
+		};
+
+		home-key {
+			label = "home";
+			linux,code = <KEY_HOME>;
+			press-threshold-microvolt = <624000>;
+		};
+
+		menu-key {
+			label = "menu";
+			linux,code = <KEY_MENU>;
+			press-threshold-microvolt = <987000>;
+		};
+
+		vol-down-key {
+			label = "volume down";
+			linux,code = <KEY_VOLUMEDOWN>;
+			press-threshold-microvolt = <300000>;
+		};
+
+		vol-up-key {
+			label = "volume up";
+			linux,code = <KEY_VOLUMEUP>;
+			press-threshold-microvolt = <17000>;
+		};
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 25000 0>;
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_enable_h>;
+
+		/*
+		 * On the module itself this is one of these (depending
+		 * on the actual card populated):
+		 * - SDIO_RESET_L_WL_REG_ON
+		 * - PDN (power down when low)
+		 */
+		reset-gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>; /* GPIO3_A4 */
+	};
+
+	vcc_phy: vcc-phy-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_phy";
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	vcc5v0_sys: vccsys {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_sys";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+};
+
+&display_subsystem {
+	status = "okay";
+};
+
+&emmc {
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	non-removable;
+	status = "okay";
+};
+
+&gmac {
+	clock_in_out = "output";
+	phy-supply = <&vcc_phy>;
+	snps,reset-gpio = <&gpio2 13 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 50000 50000>;
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2s1_2ch {
+	status = "okay";
+};
+
+&io_domains {
+	status = "okay";
+};
+
+&pinctrl {
+	headphone {
+		hp_det: hp-det {
+			rockchip,pins =
+				<2 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+	};
+
+	pmic {
+		pmic_int: pmic_int {
+			rockchip,pins =
+				<0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		soc_slppin_gpio: soc_slppin_gpio {
+			rockchip,pins =
+				<0 RK_PA4 RK_FUNC_GPIO &pcfg_output_low>;
+		};
+
+		soc_slppin_slp: soc_slppin_slp {
+			rockchip,pins =
+				<0 RK_PA4 RK_FUNC_1 &pcfg_pull_none>;
+		};
+
+		soc_slppin_rst: soc_slppin_rst {
+			rockchip,pins =
+				<0 RK_PA4 RK_FUNC_2 &pcfg_pull_none>;
+		};
+	};
+
+	sdio-pwrseq {
+		wifi_enable_h: wifi-enable-h {
+			rockchip,pins =
+				<0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&pmu_io_domains {
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&saradc {
+	status = "okay";
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <800>;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
+&sdio {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	keep-power-in-suspend;
+	non-removable;
+	mmc-pwrseq = <&sdio_pwrseq>;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_xfer &uart1_cts>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&vopb {
+	status = "okay";
+};
+
+&vopb_mmu {
+	status = "okay";
+};
+
+&vopl {
+	status = "okay";
+};
+
+&vopl_mmu {
+	status = "okay";
+};