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

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Message-ID: <20201208095200.lkyxqzgh5wzjjz7c@gilmour>
Date:   Tue, 8 Dec 2020 10:52:00 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Shuosheng Huang <huangshuosheng@...winnertech.com>
Cc:     robh+dt@...nel.org, wens@...e.org, jernej.skrabec@...l.net,
        tiny.windzz@...il.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on
 a100

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@...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 {

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

Maxime

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