linux-kernel - Re: [PATCH 2/5] arm64: dts: rockchip: Add powerzones definition for rock960

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Message-ID: <bf994aa8-df18-22d0-e718-2c8b406a5cc8@arm.com>
Date:   Wed, 24 Nov 2021 13:49:02 +0000
From:   Robin Murphy <robin.murphy@....com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     robh@...nel.org, arnd@...aro.org, heiko@...ech.de,
        ulf.hansson@...aro.org, rjw@...ysocki.net,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, lukasz.luba@....com,
        Rob Herring <robh+dt@...nel.org>,
        Johan Jonker <jbx6244@...il.com>,
        "moderated list:ARM/Rockchip SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC support" 
        <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH 2/5] arm64: dts: rockchip: Add powerzones definition for
 rock960

On 2021-11-24 12:55, Daniel Lezcano wrote:
> Add the powerzones description. This first step introduces the big,
> the little and the gpu as a powerzone place.

These look more like SoC-level properties than board-level ones - should 
they be in rk3399.dtsi?

Robin.

> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>   .../boot/dts/rockchip/rk3399-rock960.dts      | 45 +++++++++++++++++++
>   1 file changed, 45 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
> index 1a23e8f3cdf6..83540bdb64cd 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
> @@ -61,6 +61,51 @@ bt_active_led: led-6 {
>   		};
>   	};
>   
> +	powerzones {
> +
> +		PKG_PZ: pkg {
> +			#powerzone-cells = <0>;
> +                        powerzone = <&SOC_PZ>;
> +		};
> +
> +		SOC_PZ: soc {
> +		};
> +	};
> +};
> +
> +&cpu_b0 {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
> +};
> +
> +&cpu_b1 {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
> +};
> +
> +&cpu_l0 {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
> +};
> +
> +&cpu_l1 {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
> +};
> +
> +&cpu_l2 {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
> +};
> +
> +&cpu_l3 {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
> +};
> +
> +&gpu {
> +	#powerzone-cells = <0>;
> +	powerzone = <&PKG_PZ>;
>   };
>   
>   &cpu_alert0 {
>