xref: /kernel/linux/linux-5.10/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2020 David Bauer <mail@david-bauer.net>
 */

/dts-v1/;

#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include "rk3328.dtsi"

/ {
	model = "FriendlyElec NanoPi R2S";
	compatible = "friendlyarm,nanopi-r2s", "rockchip,rk3328";

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

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

	keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&reset_button_pin>;
		pinctrl-names = "default";

		reset {
			label = "reset";
			gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
			debounce-interval = <50>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-0 = <&lan_led_pin>,  <&sys_led_pin>, <&wan_led_pin>;
		pinctrl-names = "default";

		lan_led: led-0 {
			gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
			label = "nanopi-r2s:green:lan";
		};

		sys_led: led-1 {
			gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
			label = "nanopi-r2s:red:sys";
		};

		wan_led: led-2 {
			gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
			label = "nanopi-r2s:green:wan";
		};
	};

	vcc_io_sdio: sdmmcio-regulator {
		compatible = "regulator-gpio";
		enable-active-high;
		gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
		pinctrl-0 = <&sdio_vcc_pin>;
		pinctrl-names = "default";
		regulator-name = "vcc_io_sdio";
		regulator-always-on;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-settling-time-us = <5000>;
		regulator-type = "voltage";
		startup-delay-us = <2000>;
		states = <1800000 0x1>,
			 <3300000 0x0>;
		vin-supply = <&vcc_io_33>;
	};

	vcc_sd: sdmmc-regulator {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
		pinctrl-0 = <&sdmmc0m1_pin>;
		pinctrl-names = "default";
		regulator-name = "vcc_sd";
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc_io_33>;
	};

	vdd_5v: vdd-5v {
		compatible = "regulator-fixed";
		regulator-name = "vdd_5v";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};
};

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

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

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

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

&display_subsystem {
	status = "disabled";
};

&gmac2io {
	assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
	assigned-clock-parents = <&gmac_clk>, <&gmac_clk>;
	clock_in_out = "input";
	phy-handle = <&rtl8211e>;
	phy-mode = "rgmii";
	phy-supply = <&vcc_io_33>;
	pinctrl-0 = <&rgmiim1_pins>;
	pinctrl-names = "default";
	rx_delay = <0x18>;
	snps,aal;
	tx_delay = <0x24>;
	status = "okay";

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

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

&i2c1 {
	status = "okay";

	rk805: pmic@18 {
		compatible = "rockchip,rk805";
		reg = <0x18>;
		interrupt-parent = <&gpio1>;
		interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
		#clock-cells = <1>;
		clock-output-names = "xin32k", "rk805-clkout2";
		gpio-controller;
		#gpio-cells = <2>;
		pinctrl-0 = <&pmic_int_l>;
		pinctrl-names = "default";
		rockchip,system-power-controller;
		wakeup-source;

		vcc1-supply = <&vdd_5v>;
		vcc2-supply = <&vdd_5v>;
		vcc3-supply = <&vdd_5v>;
		vcc4-supply = <&vdd_5v>;
		vcc5-supply = <&vcc_io_33>;
		vcc6-supply = <&vdd_5v>;

		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_33: DCDC_REG4 {
				regulator-name = "vcc_io_33";
				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>;
				};
			};
		};
	};
};

&io_domains {
	pmuio-supply = <&vcc_io_33>;
	vccio1-supply = <&vcc_io_33>;
	vccio2-supply = <&vcc18_emmc>;
	vccio3-supply = <&vcc_io_sdio>;
	vccio4-supply = <&vcc_18>;
	vccio5-supply = <&vcc_io_33>;
	vccio6-supply = <&vcc_io_33>;
	status = "okay";
};

&pinctrl {
	button {
		reset_button_pin: reset-button-pin {
			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

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

	leds {
		lan_led_pin: lan-led-pin {
			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		sys_led_pin: sys-led-pin {
			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		wan_led_pin: wan-led-pin {
			rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	pmic {
		pmic_int_l: pmic-int-l {
			rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	sd {
		sdio_vcc_pin: sdio-vcc-pin {
			rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};
};

&pwm2 {
	status = "okay";
};

&sdmmc {
	bus-width = <4>;
	cap-sd-highspeed;
	disable-wp;
	pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
	pinctrl-names = "default";
	sd-uhs-sdr12;
	sd-uhs-sdr25;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	vmmc-supply = <&vcc_sd>;
	vqmmc-supply = <&vcc_io_sdio>;
	status = "okay";
};

&tsadc {
	rockchip,hw-tshut-mode = <0>;
	rockchip,hw-tshut-polarity = <0>;
	status = "okay";
};

&u2phy {
	status = "okay";
};

&u2phy_host {
	status = "okay";
};

&u2phy_otg {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&usb20_otg {
	status = "okay";
	dr_mode = "host";
};

&usb_host0_ehci {
	status = "okay";
};

&usb_host0_ohci {
	status = "okay";
};