linux-kernel - [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100

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Date:   Tue,  8 Dec 2020 15:21:38 +0800
From:   Shuosheng Huang <huangshuosheng@...winnertech.com>
To:     robh+dt@...nel.org, mripard@...nel.org, wens@...e.org,
        jernej.skrabec@...l.net, tiny.windzz@...il.com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Shuosheng Huang <huangshuosheng@...winnertech.com>
Subject: [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100

Enable cpufreq for all CPU cores on a100.

Signed-off-by: Shuosheng Huang <huangshuosheng@...winnertech.com>
---
 .../allwinner/sun50i-a100-allwinner-perf1.dts    | 16 ++++++++++++++++
 arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi   |  6 +++---
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
index 301793c72cb7..62a770f1a979 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
@@ -21,6 +21,22 @@ chosen {
 	};
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&cpu1 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&cpu2 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&cpu3 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &pio {
 	vcc-pb-supply = <&reg_dcdc1>;
 	vcc-pc-supply = <&reg_eldo1>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index 8f370a175ce6..c6ff172bf599 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -26,7 +26,7 @@ cpu0: cpu@0 {
 			clocks = <&ccu CLK_CPUX>;
 		};
 
-		cpu@1 {
+		cpu1: cpu@1 {
 			compatible = "arm,cortex-a53";
 			device_type = "cpu";
 			reg = <0x1>;
@@ -34,7 +34,7 @@ cpu@1 {
 			clocks = <&ccu CLK_CPUX>;
 		};
 
-		cpu@2 {
+		cpu2: cpu@2 {
 			compatible = "arm,cortex-a53";
 			device_type = "cpu";
 			reg = <0x2>;
@@ -42,7 +42,7 @@ cpu@2 {
 			clocks = <&ccu CLK_CPUX>;
 		};
 
-		cpu@3 {
+		cpu3: cpu@3 {
 			compatible = "arm,cortex-a53";
 			device_type = "cpu";
 			reg = <0x3>;
-- 
2.28.0