iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

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

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-6-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Nícolas F. R. A. Prado 2022-06-29 11:59:42 -04:00 committed by Matthias Brugger
parent 9ec952276f
commit cb75aeaf89
1 changed files with 64 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
View File

@ -19,6 +19,70 @@
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 {