linux-kernel - [PATCH 1/4] arm64: dts: rockchip: list all CPU supplies on ArmSoM Sige5

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Message-Id: <20250603-sige5-updates-v1-1-717e8ce4ab77@gmail.com>
Date: Tue, 03 Jun 2025 21:01:13 +0400
From: Alexey Charkov <alchark@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Alexey Charkov <alchark@...il.com>
Subject: [PATCH 1/4] arm64: dts: rockchip: list all CPU supplies on ArmSoM
 Sige5

List both CPU supply regulators which drive the little and big CPU
clusters, respectively, so that cpufreq can pick them up.

Signed-off-by: Alexey Charkov <alchark@...il.com>
---
 .../boot/dts/rockchip/rk3576-armsom-sige5.dts      | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
index b09e789c75c47fec7cf7e9810ab0dcca32d9404a..d9c129be55a0d997e04e6d677cdc98fb50353418 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
@@ -207,6 +207,22 @@ vcc_3v3_ufs_s0: regulator-vcc-ufs-s0 {
 	};
 };
 
+&cpu_b0 {
+	cpu-supply = <&vdd_cpu_big_s0>;
+};
+
+&cpu_b1 {
+	cpu-supply = <&vdd_cpu_big_s0>;
+};
+
+&cpu_b2 {
+	cpu-supply = <&vdd_cpu_big_s0>;
+};
+
+&cpu_b3 {
+	cpu-supply = <&vdd_cpu_big_s0>;
+};
+
 &combphy0_ps {
 	status = "okay";
 };
@@ -215,6 +231,18 @@ &cpu_l0 {
 	cpu-supply = <&vdd_cpu_lit_s0>;
 };
 
+&cpu_l1 {
+	cpu-supply = <&vdd_cpu_lit_s0>;
+};
+
+&cpu_l2 {
+	cpu-supply = <&vdd_cpu_lit_s0>;
+};
+
+&cpu_l3 {
+	cpu-supply = <&vdd_cpu_lit_s0>;
+};
+
 &gmac0 {
 	phy-mode = "rgmii-id";
 	clock_in_out = "output";

-- 
2.49.0