From cb75aeaf8915a6cdbb90878718b793c8c3bdbab5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= Date: Wed, 29 Jun 2022 11:59:42 -0400 Subject: [PATCH] arm64: dts: mediatek: asurada: Add system-wide power supplies MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add system-wide power supplies present on all of the boards in the Asurada family. Signed-off-by: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Tested-by: Chen-Yu Tsai Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20220629155956.1138955-6-nfraprado@collabora.com Signed-off-by: Matthias Brugger --- .../boot/dts/mediatek/mt8192-asurada.dtsi | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index e10636298639..ca55dd095e80 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -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 {