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

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Date:   Wed, 24 Nov 2021 17:41:34 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Robin Murphy <robin.murphy@....com>
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 24/11/2021 14:49, Robin Murphy wrote:
> 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?

Yes, it makes sense

If Heiko is fine with that I can add this description in the rk3399.dtsi
file

>> ---
>>   .../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 {
>>


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