arm64: dts: rockchip: add Haikou baseboard with RK3368-uQ7 SoM

Haikou is a Qseven and μQseven baseboard used in Theobroma Systems
evaluation kits. This dts adds a version for use with a RK3368-uQ7 SoM
called Lion.

Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/Makefile

@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-roc-cc.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-evb-act8846.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-geekbox.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-lion-haikou.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-orion-r68-meta.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-px5-evb.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-r88.dtb

arch/arm64/boot/dts/rockchip/rk3368-lion-haikou.dts

@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Theobroma Systems Design und Consulting GmbH
+ */
+
+/dts-v1/;
+#include "rk3368-lion.dtsi"
+
+/ {
+	model = "Theobroma Systems RK3368-uQ7 Baseboard";
+	compatible = "tsd,rk3368-lion-haikou", "rockchip,rk3368";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	i2cmux2 {
+		i2c@0 {
+			eeprom: eeprom@50 {
+				compatible = "atmel,24c01";
+				pagesize = <8>;
+				reg = <0x50>;
+			};
+		};
+	};
+
+	leds {
+		pinctrl-0 = <&led_pins_module>, <&led_sd_haikou>;
+
+		sd-card-led {
+			label = "sd_card_led";
+			gpios = <&gpio0 RK_PD2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "mmc0";
+		};
+	};
+
+	dc_12v: dc-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_12v";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+
+	vcc3v3_baseboard: vcc3v3-baseboard {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_baseboard";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_12v>;
+	};
+
+	vcc5v0_otg: vcc5v0-otg-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&otg_vbus_drv>;
+		regulator-name = "vcc5v0_otg";
+		regulator-always-on;
+	};
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	cd-gpios = <&gpio2 RK_PB3 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	max-frequency = <25000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
+	rockchip,default-sample-phase = <90>;
+	vmmc-supply = <&vcc3v3_baseboard>;
+	status = "okay";
+};
+
+&spi2 {
+	cs-gpios = <0>, <&gpio2 RK_PC3 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+	status = "okay";
+};
+
+&uart1 {
+	/* alternate function of GPIO5/6 */
+	status = "disabled";
+};
+
+&pinctrl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&haikou_pin_hog>;
+
+	hog {
+		haikou_pin_hog: haikou-pin-hog {
+			rockchip,pins =
+				/* LID_BTN */
+				<RK_GPIO3 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>,
+				/* BATLOW# */
+				<RK_GPIO0 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>,
+				/* SLP_BTN# */
+				<RK_GPIO3 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>,
+				/* BIOS_DISABLE# */
+				<RK_GPIO3 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	leds {
+		led_sd_haikou: led-sd-gpio {
+			rockchip,pins =
+				<RK_GPIO0 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	sdmmc {
+		sdmmc_cd_gpio: sdmmc-cd-gpio {
+			rockchip,pins =
+				<RK_GPIO2 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb_otg {
+		otg_vbus_drv: otg-vbus-drv {
+			rockchip,pins =
+				<RK_GPIO0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};