arm64: dts: rockchip: Add devicetree for board roc-rk3308-cc

ROC-RK3308-CC is a rk3308 based board designed by Firelfy,
with eMMC and 256MB DDR3 and RTL8188 Wifi on board.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Link: https://lore.kernel.org/r/20191030072811.29882-1-andy.yan@rock-chips.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/Makefile

 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-evb.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-roc-cc.dtb
 dtb-$(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/rk3308-roc-cc.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+ */
+
+/dts-v1/;
+#include "rk3308.dtsi"
+
+/ {
+	model = "Firefly ROC-RK3308-CC board";
+	compatible = "firefly,roc-rk3308-cc", "rockchip,rk3308";
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	ir_rx {
+		compatible = "gpio-ir-receiver";
+		gpios = <&gpio0 RK_PC0 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ir_recv_pin>;
+	};
+
+	ir_tx {
+		compatible = "pwm-ir-tx";
+		pwms = <&pwm5 0 25000 0>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		power {
+			label = "firefly:red:power";
+			linux,default-trigger = "ir-power-click";
+			default-state = "on";
+			gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
+		};
+
+		user {
+			label = "firefly:blue:user";
+			linux,default-trigger = "ir-user-click";
+			default-state = "off";
+			gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	typec_vcc5v: typec-vcc5v {
+		compatible = "regulator-fixed";
+		regulator-name = "typec_vcc5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	vcc5v0_sys: vcc5v0-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_sys";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&typec_vcc5v>;
+	};
+
+	vcc_io: vcc-io {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_io";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	vcc_sdmmc: vcc-sdmmc {
+		compatible = "regulator-gpio";
+		regulator-name = "vcc_sdmmc";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_HIGH>;
+		states = <1800000 0x0
+			  3300000 0x1>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	vcc_sd: vcc-sd {
+		compatible = "regulator-fixed";
+		gpio = <&gpio4 RK_PD6 GPIO_ACTIVE_LOW>;
+		regulator-name = "vcc_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vim-supply = <&vcc_io>;
+	};
+
+	vdd_core: vdd-core {
+		compatible = "pwm-regulator";
+		pwms = <&pwm0 0 5000 1>;
+		regulator-name = "vdd_core";
+		regulator-min-microvolt = <827000>;
+		regulator-max-microvolt = <1340000>;
+		regulator-init-microvolt = <1015000>;
+		regulator-settling-time-up-us = <250>;
+		regulator-always-on;
+		regulator-boot-on;
+		pwm-supply = <&vcc5v0_sys>;
+	};
+
+	vdd_log: vdd-log {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_log";
+		regulator-min-microvolt = <1050000>;
+		regulator-max-microvolt = <1050000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vcc5v0_sys>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_core>;
+};
+
+&emmc {
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	disable-wp;
+	mmc-hs200-1_8v;
+	non-removable;
+	status = "okay";
+};
+
+&i2c1 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	rtc: rtc@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+		#clock-cells = <0>;
+	};
+};
+
+&pwm5 {
+	status = "okay";
+	pinctrl-names = "active";
+	pinctrl-0 = <&pwm5_pin_pull_down>;
+};
+
+&pinctrl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rtc_32k>;
+
+	ir-receiver {
+		ir_recv_pin: ir-recv-pin  {
+			rockchip,pins = <0 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	buttons {
+		pwr_key: pwr-key {
+			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+};
+
+&pwm0 {
+	status = "okay";
+	pinctrl-0 = <&pwm0_pin_pull_down>;
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <300>;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	vmmc-supply = <&vcc_sd>;
+	vqmmc-supply = <&vcc_sdmmc>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};