linux-kernel - Re: [PATCH V6 3/7] arm64: dts: sc7280: Add QUPv3 wrapper

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Date:   Thu, 26 Aug 2021 18:06:59 +0000
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rajesh Patil <rajpat@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, rnayak@...eaurora.org,
        saiprakash.ranjan@...eaurora.org, msavaliy@....qualcomm.com,
        skakit@...eaurora.org, Roja Rani Yarubandi <rojay@...eaurora.org>
Subject: Re: [PATCH V6 3/7] arm64: dts: sc7280: Add QUPv3 wrapper_0 nodes

Quoting Rajesh Patil (2021-08-26 06:15:27)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index f8dd5ff..da3cf19 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -434,6 +434,25 @@
>                 };
>         };
>
> +       qup_opp_table: qup-opp-table {

Surely this could be placed under /soc@...eniqup@...000 alongside the
other devices and the node name could be opp-table?

> +               compatible = "operating-points-v2";
> +
> +               opp-75000000 {
> +                       opp-hz = /bits/ 64 <75000000>;
> +                       required-opps = <&rpmhpd_opp_low_svs>;
> +               };
> +
> +               opp-100000000 {
> +                       opp-hz = /bits/ 64 <100000000>;
> +                       required-opps = <&rpmhpd_opp_svs>;
> +               };
> +
> +               opp-128000000 {
> +                       opp-hz = /bits/ 64 <128000000>;
> +                       required-opps = <&rpmhpd_opp_nom>;
> +               };
> +       };
> +
>         soc: soc@0 {
>                 #address-cells = <2>;
>                 #size-cells = <2>;
> @@ -536,24 +555,425 @@
>                 qupv3_id_0: geniqup@...000 {
>                         compatible = "qcom,geni-se-qup";
>                         reg = <0 0x009c0000 0 0x2000>;
> -                       clock-names = "m-ahb", "s-ahb";
>                         clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
>                                  <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
> +                       clock-names = "m-ahb", "s-ahb";
>                         #address-cells = <2>;
>                         #size-cells = <2>;
>                         ranges;
> +                       iommus = <&apps_smmu 0x123 0x0>;
>                         status = "disabled";
>
[...]
> @@ -1575,11 +1995,311 @@
>                                 function = "qspi_data";
>                         };
>
> +                       qup_i2c0_data_clk:qup-i2c0-data-clk {

Please unstick the colon from the node name.

	qup_i2c0_data_clk: qup-i2c0-data-clk {

	};

> +                               pins = "gpio0", "gpio1";
> +                               function = "qup00";
> +                       };
> +
> +                       qup_i2c1_data_clk:qup-i2c1-data-clk {
> +                               pins = "gpio4", "gpio5";
> +                               function = "qup01";
> +                       };
> +
> +                       qup_i2c2_data_clk:qup-i2c2-data-clk {
> +                               pins = "gpio8", "gpio9";
> +                               function = "qup02";
> +                       };
> +
> +                       qup_i2c3_data_clk:qup-i2c3-data-clk {
> +                               pins = "gpio12", "gpio13";
> +                               function = "qup03";
> +                       };
> +
> +                       qup_i2c4_data_clk:qup-i2c4-data-clk {
> +                               pins = "gpio16", "gpio17";
> +                               function = "qup04";
> +                       };
> +
> +                       qup_i2c5_data_clk:qup-i2c5-data-clk {
> +                               pins = "gpio20", "gpio21";
> +                               function = "qup05";
> +                       };
> +
> +                       qup_i2c6_data_clk:qup-i2c6-data-clk {
> +                               pins = "gpio24", "gpio25";
> +                               function = "qup06";
> +                       };
> +
> +                       qup_i2c7_data_clk:qup-i2c7-data-clk {
> +                               pins = "gpio28", "gpio29";
> +                               function = "qup07";
> +                       };
> +

For all of these.