// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
/*
 * Device tree overlay for TS433 board PCBs-12-10 revision.
 *
 * Copyright (C) 2025 Heiko Stuebner <heiko@sntech.de>
 */

/dts-v1/;
/plugin/;

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

&{/} {
	/*
	 * The default hardware-state of this gpio causes the drive
	 * to be already running when entering the kernel.
	 * regulator-boot-on is needed to prevent one additional
	 * power-cycle on the drive.
	 *
	 * With regulator-boot-on we get the expected 1 cycle
	 * per boot, without it we end up with 2 cycles as seen
	 * via smartctl.
	 */
	hdd1_pwr: regulator-hdd1-power {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PC2 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&hdd1_power_pin>;
		regulator-name = "hdd1-power";
		regulator-boot-on;
		vin-supply = <&dc_12v>;
	};

	hdd2_pwr: regulator-hdd2-power {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PC3 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&hdd2_power_pin>;
		regulator-name = "hdd2-power";
		regulator-boot-on;
		vin-supply = <&dc_12v>;
	};

	/*
	 * HDD3+4 are connected to ports of the PCIe SATA controller.
	 * Currently there is no way to attach those, so keep them
	 * always on.
	 */
	hdd3_pwr: regulator-hdd3-power {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PC4 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&hdd3_power_pin>;
		regulator-name = "hdd3-power";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_12v>;
	};

	hdd4_pwr: regulator-hdd4-power {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&hdd4_power_pin>;
		regulator-name = "hdd4-power";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&dc_12v>;
	};
};

&gpio2 {
	hdd1-present-hog {
		gpios = <RK_PA2 GPIO_ACTIVE_LOW>;
		gpio-hog;
		input;
		line-name = "hdd1-present";
	};

	hdd2-present-hog {
		gpios = <RK_PA1 GPIO_ACTIVE_LOW>;
		gpio-hog;
		input;
		line-name = "hdd2-present";
	};

	hdd3-present-hog {
		gpios = <RK_PD0 GPIO_ACTIVE_LOW>;
		gpio-hog;
		input;
		line-name = "hdd3-present";
	};

	hdd4-present-hog {
		gpios = <RK_PD1 GPIO_ACTIVE_LOW>;
		gpio-hog;
		input;
		line-name = "hdd4-present";
	};
};

&pinctrl {
	pinctrl-names = "default";
	pinctrl-0 = <&hdd1_present_pin &hdd2_present_pin &hdd3_present_pin
		     &hdd4_present_pin>;

	hdd-power {
		hdd1_power_pin: hdd1-power-pin {
			rockchip,pins = <0 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		hdd2_power_pin: hdd2-power-pin {
			rockchip,pins = <0 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		hdd3_power_pin: hdd3-power-pin {
			rockchip,pins = <0 RK_PC4 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		hdd4_power_pin: hdd4-power-pin {
			rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	hdd-present {
		hdd1_present_pin: hdd1-present-pin {
			rockchip,pins = <2 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
		};

		hdd2_present_pin: hdd2-present-pin {
			rockchip,pins = <2 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>;
		};

		hdd3_present_pin: hdd3-present-pin {
			rockchip,pins = <2 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
		};

		hdd4_present_pin: hdd4-present-pin {
			rockchip,pins = <2 RK_PD1 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};
};

&sata1_port0 {
	target-supply = <&hdd2_pwr>;
};

&sata2_port0 {
	target-supply = <&hdd1_pwr>;
};