Commit 164147f0 authored by Neil Armstrong's avatar Neil Armstrong
Browse files

arm64: dts: meson-sm1-odroid-hc4: add regulators controlled by GPIOH_8 



As described in the HC4 schematics, GPIOH_8 controls the USB 5V and 12V
regulators used to power the SATA drives.

And is set as Open Drain since this GPIO doesn't support Push-Pull.

Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Acked-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210607065435.577334-6-narmstrong@baylibre.com
parent 703e84d6

arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts

+26 −0
Original line number Diff line number Diff line
@@ -44,6 +44,32 @@ led-red { 
		};

	};



	/* Powers the SATA Disk 0 regulator, which is enabled when a disk load is detected */

	p12v_0: regulator-p12v_0 {

		compatible = "regulator-fixed";

		regulator-name = "P12V_0";

		regulator-min-microvolt = <12000000>;

		regulator-max-microvolt = <12000000>;

		vin-supply = <&main_12v>;



		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;

		enable-active-high;

		regulator-always-on;

	};



	/* Powers the SATA Disk 1 regulator, which is enabled when a disk load is detected */

	p12v_1: regulator-p12v_1 {

		compatible = "regulator-fixed";

		regulator-name = "P12V_1";

		regulator-min-microvolt = <12000000>;

		regulator-max-microvolt = <12000000>;

		vin-supply = <&main_12v>;



		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;

		enable-active-high;

		regulator-always-on;

	};



	sound {

		model = "ODROID-HC4";

	};