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: <CAPDyKFrZ9QM9L4OEFuseRTC+mBqourv11Rcu3Ua95ZPKoNFgng@mail.gmail.com>
Date:   Tue, 4 Feb 2020 18:41:24 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Thara Gopinath <thara.gopinath@...aro.org>
Cc:     Eduardo Valentin <edubezval@...il.com>,
        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 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>

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
>