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From:   Doug Anderson <dianders@chromium.org>
Date:   Mon, 14 Sep 2020 10:41:58 -0700
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Subject: Re: [PATCH v2] arm64: dts: qcom: sc7180: Add lpass cpu node for I2S driver
To:     Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Cc:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Rohit kumar <rohitkr@codeaurora.org>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Ajit Pandey <ajitp@codeaurora.org>,
        Cheng-Yi Chiang <cychiang@chromium.org>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

On Tue, Sep 1, 2020 at 9:04 PM Srinivasa Rao Mandadapu
<srivasam@codeaurora.org> wrote:
>
> From: Ajit Pandey <ajitp@codeaurora.org>
>
> Add the I2S controller node to sc7180 dtsi.
> Add pinmux for primary and secondary I2S.
>
> Signed-off-by: Ajit Pandey <ajitp@codeaurora.org>
> Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
> ---
>
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 69 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 69 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index d46b383..db60ca5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -676,6 +676,36 @@
>                         };
>                 };
>
> +               lpass_cpu: lpass@62f00000 {
> +                       compatible = "qcom,sc7180-lpass-cpu";
> +
> +                       reg = <0 0x62f00000 0 0x29000>;
> +                       reg-names = "lpass-lpaif";
> +
> +                       iommus = <&apps_smmu 0x1020 0>;
> +
> +                       power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
> +
> +                       clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>,
> +                                <&lpasscc LPASS_AUDIO_CORE_CORE_CLK>,
> +                                <&lpasscc LPASS_AUDIO_CORE_EXT_MCLK0_CLK>,
> +                                <&lpasscc LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK>,
> +                                <&lpasscc LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK>,
> +                                <&lpasscc LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK>;
> +
> +                       clock-names = "pcnoc-sway-clk", "audio-core",
> +                                       "mclk0", "pcnoc-mport-clk",
> +                                       "mi2s-bit-clk0", "mi2s-bit-clk1";
> +
> +
> +                       #sound-dai-cells = <1>;
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>;
> +                       interrupt-names = "lpass-irq-lpaif";
> +               };
> +
>                 sdhc_1: sdhci@7c4000 {

Your node is still sorted incorrectly.  Nodes with unit addresses
should be sorted numerically.

The number 0x62f00000 is greater than the number 0x7c4000.  Thus your
node should not be placed above "sdhci@7c4000".  It should be placed
somewhere further down in the file.


>                         compatible = "qcom,sc7180-sdhci", "qcom,sdhci-msm-v5";
>                         reg = <0 0x7c4000 0 0x1000>,
> @@ -1721,6 +1751,45 @@
>                                 };
>                         };
>
> +                       sec_mi2s_active: sec-mi2s-active {
> +                               pinmux {
> +                                       pins = "gpio49", "gpio50", "gpio51";
> +                                       function = "mi2s_1";
> +                               };
> +
> +                               pinconf {
> +                                       pins = "gpio49", "gpio50", "gpio51";;

nit: double-semi-colon.