linux-kernel - Re: [PATCH 5/7] arm64: dts: msm8996: Add rpmpd device node

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Date:   Fri, 16 Mar 2018 10:08:02 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>
Cc:     sboyd@...nel.org, andy.gross@...aro.org, ulf.hansson@...aro.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/7] arm64: dts: msm8996: Add rpmpd device node

On 16-03-18, 09:38, Rajendra Nayak wrote:
> Add rpmpd device node and its OPP table
> 
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/msm8996.dtsi | 46 +++++++++++++++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> index 0a6f7952bbb1..43757a078146 100644
> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> @@ -297,6 +297,52 @@
>  				#clock-cells = <1>;
>  			};
>  
> +			rpmpd: qcom,rpmpd {
> +				compatible = "qcom,rpmpd-msm8996";
> +				#power-domain-cells = <1>;
> +				operating-points-v2 = <&rpmpd_opp_table>, /* cx */
> +						      <&rpmpd_opp_table>, /* cx_ao */
> +						      <&rpmpd_opp_table>, /* cx_vfc */
> +						      <&rpmpd_opp_table>, /* mx */
> +						      <&rpmpd_opp_table>, /* mx_ao */
> +						      <&rpmpd_opp_table>, /* sscx */
> +						      <&rpmpd_opp_table>; /* sscx_vfc */
> +			};
> +
> +			rpmpd_opp_table: opp-table {
> +				compatible = "operating-points-v2", "operating-points-v2-qcom";
> +
> +				rpmpd_opp1: opp@1 {
> +					opp-hz = /bits/ 64 <1>;

Actually this (magic values) isn't allowed right now. I will send a
patchset to make this property optional later on separately (once the
other series is accepted).

> +					qcom,level = <1>;
> +				};
> +
> +				rpmpd_opp2: opp@2 {
> +					opp-hz = /bits/ 64 <2>;
> +					qcom,level = <2>;
> +				};
> +
> +				rpmpd_opp3: opp@3 {
> +					opp-hz = /bits/ 64 <3>;
> +					qcom,level = <3>;
> +				};
> +
> +				rpmpd_opp4: opp@4 {
> +					opp-hz = /bits/ 64 <4>;
> +					qcom,level = <4>;
> +				};
> +
> +				rpmpd_opp5: opp@5 {
> +					opp-hz = /bits/ 64 <5>;
> +					qcom,level = <5>;
> +				};
> +
> +				rpmpd_opp6: opp@6 {
> +					opp-hz = /bits/ 64 <6>;
> +					qcom,level = <6>;
> +				};
> +			};
> +
>  			pm8994-regulators {
>  				compatible = "qcom,rpm-pm8994-regulators";
>  

Everything else is fine. After you remove the opp-hz property from
this table:

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh