Commit cb75aeaf authored by Nícolas F. R. A. Prado's avatar Nícolas F. R. A. Prado Committed by Matthias Brugger
Browse files

arm64: dts: mediatek: asurada: Add system-wide power supplies 



Add system-wide power supplies present on all of the boards in the
Asurada family.

Signed-off-by: default avatarNícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-6-nfraprado@collabora.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 9ec95227

arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi

+64 −0
Original line number Diff line number Diff line
@@ -19,6 +19,70 @@ memory@40000000 { 
		device_type = "memory";

		reg = <0 0x40000000 0 0x80000000>;

	};



	/* system wide LDO 1.8V power rail */

	pp1800_ldo_g: regulator-1v8-g {

		compatible = "regulator-fixed";

		regulator-name = "pp1800_ldo_g";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		vin-supply = <&pp3300_g>;

	};



	/* system wide switching 3.3V power rail */

	pp3300_g: regulator-3v3-g {

		compatible = "regulator-fixed";

		regulator-name = "pp3300_g";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		vin-supply = <&ppvar_sys>;

	};



	/* system wide LDO 3.3V power rail */

	pp3300_ldo_z: regulator-3v3-z {

		compatible = "regulator-fixed";

		regulator-name = "pp3300_ldo_z";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		vin-supply = <&ppvar_sys>;

	};



	/* separately switched 3.3V power rail */

	pp3300_u: regulator-3v3-u {

		compatible = "regulator-fixed";

		regulator-name = "pp3300_u";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		/* enable pin wired to GPIO controlled by EC */

		vin-supply = <&pp3300_g>;

	};



	/* system wide switching 5.0V power rail */

	pp5000_a: regulator-5v0-a {

		compatible = "regulator-fixed";

		regulator-name = "pp5000_a";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

		vin-supply = <&ppvar_sys>;

	};



	/* system wide semi-regulated power rail from battery or USB */

	ppvar_sys: regulator-var-sys {

		compatible = "regulator-fixed";

		regulator-name = "ppvar_sys";

		regulator-always-on;

		regulator-boot-on;

	};

};



&pio {