arch/arm/dts/rk3328-rock-pi-e.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * (C) Copyright 2020 Chen-Yu Tsai <wens@csie.org>
 *
 * Based on ./rk3328-rock64.dts, which is
 *
 * Copyright (c) 2017 PINE64
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/rockchip.h>

#include "rk3328.dtsi"

/ {
	model = "Radxa ROCK Pi E";
	compatible = "radxa,rockpi-e", "rockchip,rk3328";

	aliases {
		mmc0 = &sdmmc;
		mmc1 = &emmc;
	};

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

	adc-keys {
		compatible = "adc-keys";
		io-channels = <&saradc 0>;
		io-channel-names = "buttons";
		keyup-threshold-microvolt = <1750000>;

		/* This button is unpopulated out of the factory. */
		button-recovery {
			label = "Recovery";
			linux,code = <KEY_VENDOR>;
			press-threshold-microvolt = <10000>;
		};
	};

	gmac_clkin: external-gmac-clock {
		compatible = "fixed-clock";
		clock-frequency = <125000000>;
		clock-output-names = "gmac_clkin";
		#clock-cells = <0>;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-0 = <&led_pin>;
		pinctrl-names = "default";

		led-0 {
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};
	};

	vcc_sd: sdmmc-regulator {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&sdmmc0m1_pin>;
		regulator-name = "vcc_sd";
		regulator-boot-on;
		vin-supply = <&vcc_io>;
	};

	vcc_host_5v: vcc-host-5v-regulator {
		compatible = "regulator-fixed";
		gpio = <&gpio3 RK_PA7 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb30_host_drv>;
		enable-active-high;
		regulator-name = "vcc_host_5v";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vcc_sys>;
	};

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

	vcc_wifi: vcc-wifi-regulator {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&wifi_en>;
		regulator-name = "vcc_wifi";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vcc_io>;
	};
};

&analog_sound {
	status = "okay";
};

&codec {
	status = "okay";
};

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

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

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

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

&emmc {
	bus-width = <8>;
	cap-mmc-highspeed;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;
	non-removable;
	pinctrl-names = "default";
	pinctrl-0 = <&emmc_clk>, <&emmc_cmd>, <&emmc_bus8>;
	vmmc-supply = <&vcc_io>;
	vqmmc-supply = <&vcc18_emmc>;
	status = "okay";
};

&gmac2io {
	assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
	assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
	clock_in_out = "input";
	phy-handle = <&rtl8211e>;
	phy-mode = "rgmii";
	phy-supply = <&vcc_io>;
	pinctrl-names = "default";
	pinctrl-0 = <&rgmiim1_pins>;
	snps,aal;
	snps,rxpbl = <0x4>;
	snps,txpbl = <0x4>;
	tx_delay = <0x26>;
	rx_delay = <0x11>;
	status = "okay";

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		rtl8211e: ethernet-phy@1 {
			reg = <1>;
			pinctrl-0 = <&eth_phy_int_pin>, <&eth_phy_reset_pin>;
			pinctrl-names = "default";
			interrupt-parent = <&gpio1>;
			interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
			reset-assert-us = <10000>;
			reset-deassert-us = <50000>;
			reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
		};
	};
};

&gmac2phy {
	status = "okay";
};

&i2c1 {
	status = "okay";

	rk805: pmic@18 {
		compatible = "rockchip,rk805";
		reg = <0x18>;
		interrupt-parent = <&gpio2>;
		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
		#clock-cells = <1>;
		clock-output-names = "xin32k", "rk805-clkout2";
		gpio-controller;
		#gpio-cells = <2>;
		pinctrl-names = "default";
		pinctrl-0 = <&pmic_int_l>;
		rockchip,system-power-controller;
		wakeup-source;

		vcc1-supply = <&vcc_sys>;
		vcc2-supply = <&vcc_sys>;
		vcc3-supply = <&vcc_sys>;
		vcc4-supply = <&vcc_sys>;
		vcc5-supply = <&vcc_io>;
		vcc6-supply = <&vcc_sys>;

		regulators {
			vdd_log: DCDC_REG1 {
				regulator-name = "vdd_log";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <712500>;
				regulator-max-microvolt = <1450000>;
				regulator-ramp-delay = <12500>;

				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1000000>;
				};
			};

			vdd_arm: DCDC_REG2 {
				regulator-name = "vdd_arm";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <712500>;
				regulator-max-microvolt = <1450000>;
				regulator-ramp-delay = <12500>;

				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <950000>;
				};
			};

			vcc_ddr: DCDC_REG3 {
				regulator-name = "vcc_ddr";
				regulator-always-on;
				regulator-boot-on;

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

			vcc_io: DCDC_REG4 {
				regulator-name = "vcc_io";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;

				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <3300000>;
				};
			};

			vcc_18: LDO_REG1 {
				regulator-name = "vcc_18";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;

				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1800000>;
				};
			};

			vcc18_emmc: LDO_REG2 {
				regulator-name = "vcc18_emmc";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;

				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1800000>;
				};
			};

			vdd_10: LDO_REG3 {
				regulator-name = "vdd_10";
				regulator-always-on;
				regulator-boot-on;
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;

				regulator-state-mem {
					regulator-on-in-suspend;
					regulator-suspend-microvolt = <1000000>;
				};
			};
		};
	};
};

&i2s1 {
	status = "okay";
};

&io_domains {
	pmuio-supply = <&vcc_io>;
	vccio1-supply = <&vcc_io>;
	vccio2-supply = <&vcc18_emmc>;
	vccio3-supply = <&vcc_io>;
	vccio4-supply = <&vcc_io>;
	vccio5-supply = <&vcc_io>;
	vccio6-supply = <&vcc_io>;
	status = "okay";
};

&pinctrl {
	ephy {
		eth_phy_int_pin: eth-phy-int-pin {
			rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_down>;
		};

		eth_phy_reset_pin: eth-phy-reset-pin {
			rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
		};
	};

	leds {
		led_pin: led-pin {
			rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	pmic {
		pmic_int_l: pmic-int-l {
			rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	usb3 {
		usb30_host_drv: usb30-host-drv {
			rockchip,pins = <3 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	wifi {
		wifi_en: wifi-en {
			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};
};

&sdmmc {
	bus-width = <4>;
	cap-sd-highspeed;
	disable-wp;
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
	vmmc-supply = <&vcc_sd>;
	status = "okay";
};

&saradc {
	vref-supply = <&vcc_18>;
	status = "okay";
};

&tsadc {
	status = "okay";
};

&u2phy {
	status = "okay";
};

&u2phy_host {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&usbdrd3 {
	dr_mode = "host";
	status = "okay";
};

&usb_host0_ehci {
	status = "okay";
};