linux-kernel - Re: [Patch v4 6/7] dt-bindings: soc: qcom: Extend RPMh power controller binding to describe thermal warming device

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Message-ID: <4ab0463f-0fc3-6717-9b10-2ff7bd745fcd@linaro.org>
Date:   Sun, 1 Mar 2020 18:37:39 -0500
From:   Thara Gopinath <thara.gopinath@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Mark Rutland <mark.rutland@....com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v4 6/7] dt-bindings: soc: qcom: Extend RPMh power
 controller binding to describe thermal warming device



On 2/4/20 12:41 PM, Ulf Hansson wrote:
> On Wed, 20 Nov 2019 at 13:57, Thara Gopinath <thara.gopinath@...aro.org> wrote:
>>
>> RPMh power controller hosts mx domain that can be used as thermal warming
>> device. Add #cooling-cells property to the power domain provider node to
>> indicate this.
>>
>> Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>
> 
> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Thanks! This file does not exist anymore. It has been moved to yaml 
format! I will resend this in the correct file.

> 
> Kind regards
> Uffe
> 
>> ---
>> v3->v4:
>>          - Removed subnode to indicate that mx power domain is a warming
>>            device. Instead #cooling-cells is used as a power domain
>>            provider property to indicate if the provider hosts a power
>>            domain that can be used as a warming device.
>>
>>   Documentation/devicetree/bindings/power/qcom,rpmpd.txt | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
>> index bc75bf4..a193d33 100644
>> --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
>> +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
>> @@ -19,6 +19,11 @@ Required Properties:
>>   Refer to <dt-bindings/power/qcom-rpmpd.h> for the level values for
>>   various OPPs for different platforms as well as Power domain indexes
>>
>> +Optional Properties
>> + - #cooling-cells: must be 2
>> +       RPMh also hosts power domains that can behave as thermal warming
>> +       device. If so, indicate this by specifying #cooling-cells.
>> +
>>   Example: rpmh power domain controller and OPP table
>>
>>   #include <dt-bindings/power/qcom-rpmhpd.h>
>> --
>> 2.1.4
>>

-- 
Warm Regards
Thara