linux-kernel - Re: [PATCH v5 3/4] arm64: dts: sdm845: Add minimal dts/dtsi files for sdm845 SoC and MTP

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Message-ID: <0a0ab259-57d2-fce8-3903-514d6dc11c3d@codeaurora.org>
Date:   Mon, 12 Mar 2018 12:36:44 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Andy Gross <andy.gross@...aro.org>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Stephen Boyd <sboyd@...eaurora.org>, evgreen@...omium.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Marc Zyngier <marc.zyngier@....com>, swboyd@...omium.org
Subject: Re: [PATCH v5 3/4] arm64: dts: sdm845: Add minimal dts/dtsi files for
 sdm845 SoC and MTP



On 03/10/2018 02:30 AM, Doug Anderson wrote:
> Hi,
> 
> On Wed, Feb 21, 2018 at 10:12 PM, Rajendra Nayak <rnayak@...eaurora.org> wrote:
>> +               gcc: clock-controller@...000 {
>> +                       compatible = "qcom,gcc-sdm845";
>> +                       reg = <0x100000 0x1f0000>;
>> +                       #clock-cells = <1>;
>> +                       #reset-cells = <1>;
>> +               };
> 
> Seems like we need "#power-domain-cells = <1>;" in the gcc node.
> 
> It is true that the property is listed as "optional" in the bindings,
> but we certainly know that the
> "include/dt-bindings/clock/qcom,gcc-sdm845.h" that's posted [1]
> contains several defines ending in "_GDSC" and once we start
> referencing those we'll need "#power-domain-cells".  Seems like we
> should just have it from the beginning.
> 
> NOTE: IMHO adding "#power-domain-cells" could be done as a follow-on
> patch, but since (I think) this series still hasn't landed I guess we
> could just send up v6?

thanks for catching this, I'll send out v6 in a bit.

> 
> [1] https://patchwork.kernel.org/patch/10267093/
> 
> 
> -Doug
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