linux-kernel - [PATCH 5/5] arm64: dts: mediatek: mt8395-nio-12l: Add power supplies for CPU/GPU scaling

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Date: Tue,  9 Apr 2024 13:42:11 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: linux-mediatek@...ts.infradead.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com
Subject: [PATCH 5/5] arm64: dts: mediatek: mt8395-nio-12l: Add power supplies for CPU/GPU scaling

Add the necessary power supplies to safely enable CPU and GPU frequency
scaling.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../dts/mediatek/mt8395-radxa-nio-12l.dts     | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
index 5cbe969da425..bf6b539e6c06 100644
--- a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
@@ -140,6 +140,38 @@ apu_mem: memory@...00000 {
 	};
 };
 
+&cpu0 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu1 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu2 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu3 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu4 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
+&cpu5 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
+&cpu6 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
+&cpu7 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
 &eth {
 	phy-mode = "rgmii-rxid";
 	phy-handle = <&rgmii_phy>;
@@ -343,6 +375,14 @@ typec_con_mux: endpoint {
 	};
 };
 
+&mfg0 {
+	domain-supply = <&mt6315_7_vbuck1>;
+};
+
+&mfg1 {
+	domain-supply = <&mt6359_vsram_others_ldo_reg>;
+};
+
 /* MMC0 Controller: eMMC (HS400). Power lines are shared with UFS! */
 &mmc0 {
 	pinctrl-names = "default", "state_uhs";
-- 
2.44.0