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    SubjectRe: [PATCH 7/7] arm64: dts: qcom: msm8998-xperia: Add audio clock and its pin
    On Fri 03 Sep 11:09 PDT 2021, AngeloGioacchino Del Regno wrote:

    > All smartphones of this platform are equipped with a WCD9335 audio
    > codec, getting its MCLK from PM8998 gpio13: add this clock to DT.
    >
    > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
    > Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
    > ---
    > .../dts/qcom/msm8998-sony-xperia-yoshino.dtsi | 19 +++++++++++++++++++
    > 1 file changed, 19 insertions(+)
    >
    > diff --git a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
    > index 5fbe5abf4133..7aeebd3b2e9e 100644
    > --- a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
    > +++ b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
    > @@ -20,6 +20,19 @@ / {
    > qcom,msm-id = <0x124 0x20000>, <0x124 0x20001>; /* 8998v2, v2.1 */
    > qcom,board-id = <8 0>;
    >
    > + clocks {
    > + compatible = "simple-bus";
    > +
    > + div1_mclk: divclk1 {
    > + compatible = "gpio-gate-clock";
    > + pinctrl-0 = <&audio_mclk_pin>;
    > + pinctrl-names = "default";
    > + clocks = <&rpmcc RPM_SMD_DIV_CLK1>;

    What controls the clock rate of divclk1?

    Regards,
    Bjorn

    > + #clock-cells = <0>;
    > + enable-gpios = <&pm8998_gpio 13 GPIO_ACTIVE_HIGH>;
    > + };
    > + };
    > +
    > board_vbat: vbat-regulator {
    > compatible = "regulator-fixed";
    > regulator-name = "VBAT";
    > @@ -313,6 +326,12 @@ cam_snapshot_pin_a: cam-snapshot-btn-active {
    > input-enable;
    > qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
    > };
    > +
    > + audio_mclk_pin: audio-mclk-pin-active {
    > + pins = "gpio13";
    > + function = "func2";
    > + power-source = <0>;
    > + };
    > };
    >
    > &pmi8998_gpio {
    > --
    > 2.32.0
    >

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