65 lines
1.3 KiB
Plaintext
65 lines
1.3 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
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/*
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* Device tree overlay for TS133 board PCB-13 revision.
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*
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* Copyright (C) 2025 Heiko Stuebner <heiko@sntech.de>
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*/
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/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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&{/} {
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/*
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* The default hardware-state of this gpio causes the drive
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* to be already running when entering the kernel.
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* regulator-boot-on is needed to prevent one additional
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* power-cycle on the drive.
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*
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* With regulator-boot-on we get the expected 1 cycle
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* per boot, without it we end up with 2 cycles as seen
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* via smartctl.
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*/
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hdd1_pwr: regulator-hdd1-power {
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compatible = "regulator-fixed";
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gpio = <&gpio0 RK_PC2 GPIO_ACTIVE_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&hdd1_power_pin>;
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regulator-name = "hdd1-power";
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regulator-boot-on;
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vin-supply = <&dc_12v>;
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};
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};
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&gpio2 {
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hdd1-present-hog {
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gpios = <RK_PA2 GPIO_ACTIVE_LOW>;
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gpio-hog;
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input;
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line-name = "hdd1-present";
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};
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};
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&pinctrl {
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pinctrl-names = "default";
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pinctrl-0 = <&hdd1_present_pin>;
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hdd-power {
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hdd1_power_pin: hdd1-power-pin {
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rockchip,pins = <0 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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hdd-present {
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hdd1_present_pin: hdd1-present-pin {
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rockchip,pins = <2 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
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};
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};
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};
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&sata2_port0 {
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target-supply = <&hdd1_pwr>;
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};
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