[PATCH v4 05/19] arm64: dts: mediatek: asurada: Add system-wide power supplies
From: Nícolas F. R. A. Prado <hidden>
Date: 2022-06-29 16:00:32
Also in:
linux-arm-kernel, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Add system-wide power supplies present on all of the boards in the Asurada family. Signed-off-by: Nícolas F. R. A. Prado <redacted> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Acked-by: Krzysztof Kozlowski <redacted> --- (no changes since v3) Changes in v3: - Renamed nodes to be generic .../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 {
--
2.36.1