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* [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100
@ 2020-12-08  7:21 Shuosheng Huang
  2020-12-08  9:52 ` Maxime Ripard
  0 siblings, 1 reply; 2+ messages in thread
From: Shuosheng Huang @ 2020-12-08  7:21 UTC (permalink / raw)
  To: robh+dt, mripard, wens, jernej.skrabec, tiny.windzz
  Cc: devicetree, linux-arm-kernel, linux-kernel, Shuosheng Huang

Enable cpufreq for all CPU cores on a100.

Signed-off-by: Shuosheng Huang <huangshuosheng@allwinnertech.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


^ permalink raw reply related	[flat|nested] 2+ messages in thread
* Re: [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100
  2020-12-08  7:21 [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100 Shuosheng Huang
@ 2020-12-08  9:52 ` Maxime Ripard
  0 siblings, 0 replies; 2+ messages in thread
From: Maxime Ripard @ 2020-12-08  9:52 UTC (permalink / raw)
  To: Shuosheng Huang
  Cc: robh+dt, wens, jernej.skrabec, tiny.windzz, devicetree,
	linux-arm-kernel, linux-kernel

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On Tue, Dec 08, 2020 at 03:21:38PM +0800, Shuosheng Huang wrote:
> Enable cpufreq for all CPU cores on a100.
> 
> Signed-off-by: Shuosheng Huang <huangshuosheng@allwinnertech.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 {

You're using these labels in the previous patch, it should be added there.

Maxime

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