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

Maxime Ripard maxime at cerno.tech
Tue Dec 8 04:52:00 EST 2020


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 at 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 at 0 {
>  			clocks = <&ccu CLK_CPUX>;
>  		};
>  
> -		cpu at 1 {
> +		cpu1: cpu at 1 {

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

Maxime
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