cubelinux-kernel/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtsi

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2025 Michael Opdenacker <michael.opdenacker@rootcommit.com>
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/soc/rockchip,vop2.h>
#include "rk3566.dtsi"

/ {
	aliases {
		i2c0 = &i2c0;
		i2c2 = &i2c2;
		mmc1 = &sdmmc0;
		serial2 = &uart2;
	};

	chosen {
		stdout-path = "serial2:1500000n8";
	};

	gpio_leds: gpio-leds {
		compatible = "gpio-leds";

		act-led {
			gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
			linux,default-trigger="mmc1";
		};

		rsv-led {
			gpios = <&gpio0 RK_PD6 GPIO_ACTIVE_HIGH>;
			linux,default-trigger="none";
		};
	};

	vcc3v3_sys: regulator-3v3-vcc-sys {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3_sys";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc5v0_sys>;
	};

	vcc5v0_sys: regulator-5v0-vcc-sys {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v0_sys";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	vcc5v0_usb_host: regulator-5v0-vcc-usb-host {
		compatible = "regulator-fixed";
		enable-active-high;
		gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&u2_a_vbus_en>;
		regulator-name = "vcc5v0_usb_host";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&vcc5v0_sys>;
	};
};

&cpu0 {
	cpu-supply = <&vdd_cpu>;
};

&cpu1 {
	cpu-supply = <&vdd_cpu>;
};

&cpu2 {
	cpu-supply = <&vdd_cpu>;
};

&cpu3 {
	cpu-supply = <&vdd_cpu>;
};

&i2c0 {
	status = "okay";

	rk809: pmic@20 {
		compatible = "rockchip,rk809";
		reg = <0x20>;
		assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
		assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
		#clock-cells = <1>;
		clocks = <&cru I2S1_MCLKOUT_TX>;
		clock-names = "mclk";
		clock-output-names = "rk809-clkout1", "rk809-clkout2";
		interrupt-parent = <&gpio0>;
		interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&pmic_int_l>, <&i2s1m0_mclk>;
		#sound-dai-cells = <0>;
		system-power-controller;
		wakeup-source;

		vcc1-supply = <&vcc3v3_sys>;
		vcc2-supply = <&vcc3v3_sys>;
		vcc3-supply = <&vcc3v3_sys>;
		vcc4-supply = <&vcc3v3_sys>;
		vcc5-supply = <&vcc3v3_sys>;
		vcc6-supply = <&vcc3v3_sys>;
		vcc7-supply = <&vcc3v3_sys>;
		vcc8-supply = <&vcc3v3_sys>;
		vcc9-supply = <&vcc3v3_sys>;

		regulators {
			vcc_1v8: DCDC_REG5 {
				regulator-name = "vcc_1v8";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			vcc_3v3: SWITCH_REG1 {
				regulator-name = "vcc_3v3";
				regulator-always-on;
				regulator-boot-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			vcc3v3_sd: SWITCH_REG2 {
				regulator-name = "vcc3v3_sd";
				regulator-always-on;
				regulator-boot-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			vccio_sd: LDO_REG5 {
				regulator-name = "vccio_sd";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};
		};
	};

	vdd_cpu: regulator@40 {
		compatible = "silergy,syr827";
		reg = <0x40>;
		fcs,suspend-voltage-selector = <1>;
		regulator-name = "vdd_cpu";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <830000>;
		regulator-max-microvolt = <1200000>;
		regulator-ramp-delay = <2300>;
		vin-supply = <&vcc3v3_sys>;

		regulator-state-mem {
			regulator-off-in-suspend;
		};
	};
};

&i2c2 {
	status = "okay";

	eeprom@50 {
		compatible = "atmel,24c08";
		reg = <0x50>;
		pinctrl-names = "default";
		pinctrl-0 = <&eeprom_wc_n>;
	};

	rtc_isl1208: rtc@6f {
		compatible = "isil,isl1208";
		reg = <0x6f>;
		interrupt-names = "irq";
		interrupts-extended = <&gpio0 RK_PD3 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&rtcic_int_l>;
	};
};

&pinctrl {
	eeprom {
		eeprom_wc_n: eeprom-wc-n {
			rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	pmic {
		pmic_int_l: pmic-int-l {
			rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	rtc {
		rtcic_int_l: rtcic-int-l {
			rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	usb {
		u2_a_vbus_en: u2-a-vbus-en {
			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		u3_a_vbus_en: u3-a-vbus-en {
			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};
};

&sdmmc0 {
	bus-width = <4>;
	cap-sd-highspeed;
	disable-wp;
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
	vmmc-supply = <&vcc3v3_sd>;
	vqmmc-supply = <&vccio_sd>;
	status = "okay";
};

&uart2 {
	status = "okay";
};

&usb_host0_ehci {
	status = "okay";
};

&usb_host0_ohci {
	status = "okay";
};

&usb_host1_ehci {
	status = "okay";
};

&usb_host1_ohci {
	status = "okay";
};

&usb2phy0 {
	status = "okay";
};

&usb2phy0_host {
	phy-supply = <&vcc5v0_usb_host>;
	status = "okay";
};

&usb2phy1 {
	status = "okay";
};

&usb2phy1_host {
	phy-supply = <&vcc5v0_usb_host>;
	status = "okay";
};