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Message-Id: <20220316151327.564214-4-nfraprado@collabora.com>
Date: Wed, 16 Mar 2022 11:13:20 -0400
From: Nícolas F. R. A. Prado
<nfraprado@...labora.com>
To: Matthias Brugger <matthias.bgg@...il.com>
Cc: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>, kernel@...labora.com,
Nícolas F. R. A. Prado
<nfraprado@...labora.com>, Rob Herring <robh+dt@...nel.org>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH v1 03/10] 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: Nícolas F. R. A. Prado <nfraprado@...labora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
.../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..5cb7580a13cf 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -19,6 +19,70 @@ memory@...00000 {
device_type = "memory";
reg = <0 0x40000000 0 0x80000000>;
};
+
+ /* system wide LDO 1.8V power rail */
+ pp1800_ldo_g: pp1800-ldo-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: pp3300-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: pp3300-ldo-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: pp3300-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: pp5000-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: ppvar-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "ppvar_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ };
};
&pio {
--
2.35.1
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