Re: [v2 2/3] arm64: dts: qcom: sc7280: Add sc7280-herobrine-audio-rt5682.dtsi

[Doug Anderson]

Hi,

On Fri, May 20, 2022 at 9:10 AM Judy Hsiao <judyhsiao@xxxxxxxxxxxx> wrote:
>
> Audio dtsi for sc7280 boards that using rt5682 headset codec:
> 1. Add dt nodes for sound card which use I2S playback and record
>    through rt5682s and I2S playback through max98357a.
> 2. Enable lpass cpu node and add pin control and dai-links.
>
> Signed-off-by: Judy Hsiao <judyhsiao@xxxxxxxxxxxx>
> ---
>  .../qcom/sc7280-herobrine-audio-rt5682.dtsi   | 120 ++++++++++++++++++
>  1 file changed, 120 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi
> new file mode 100644
> index 000000000000..d83e99f1d417
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi
> @@ -0,0 +1,120 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + *
> + * This file defines the common audio settings for the child boards using rt5682 codec.
> + *
> + * Copyright 2022 Google LLC.
> + */
> +
> +/ {
> +       /* BOARD-SPECIFIC TOP LEVEL NODES */
> +       sound: sound {
> +               compatible = "google,sc7280-herobrine";
> +               model = "sc7280-rt5682-max98360a-1mic";
> +
> +               status = "okay";
> +               audio-routing =
> +                       "Headphone Jack", "HPOL",
> +                       "Headphone Jack", "HPOR";
> +
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               dai-link@0 {
> +                       link-name = "MAX98360";
> +                       reg = <0>;
> +
> +                       cpu {
> +                               sound-dai = <&lpass_cpu MI2S_SECONDARY>;
> +                       };
> +
> +                       codec {
> +                               sound-dai = <&max98360a>;
> +                       };
> +               };
> +
> +               dai-link@1 {
> +                       link-name = "ALC5682";
> +                       reg = <1>;
> +
> +                       cpu {
> +                               sound-dai = <&lpass_cpu MI2S_PRIMARY>;
> +                       };
> +
> +                       codec {
> +                               sound-dai = <&alc5682 0 /* aif1 */>;
> +                       };
> +               };
> +       };
> +};
> +
> +hp_i2c: &i2c2 {
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       alc5682: codec@1a {
> +               compatible = "realtek,rt5682s";
> +               reg = <0x1a>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&hp_irq>;
> +
> +               #sound-dai-cells = <1>;
> +
> +               interrupt-parent = <&tlmm>;
> +               interrupts = <101 IRQ_TYPE_EDGE_BOTH>;
> +
> +               AVDD-supply = <&pp1800_alc5682>;
> +               MICVDD-supply = <&pp3300_codec>;
> +
> +               realtek,dmic1-data-pin = <1>;
> +               realtek,dmic1-clk-pin = <2>;
> +               realtek,jd-src = <1>;
> +               realtek,dmic-clk-rate-hz = <2048000>;
> +       };
> +};
> +
> +&lpass_cpu {
> +       status = "okay";
> +
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&mi2s0_data0 &mi2s0_data1 &mi2s0_mclk &mi2s0_sclk &mi2s0_ws
> +                    &mi2s1_data0 &mi2s1_sclk &mi2s1_ws>;
> +
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +
> +       dai-link@0 {
> +               reg = <MI2S_PRIMARY>;
> +               qcom,playback-sd-lines = <1>;
> +               qcom,capture-sd-lines = <0>;
> +       };
> +
> +       dai-link@1 {
> +               reg = <MI2S_SECONDARY>;
> +               qcom,playback-sd-lines = <0>;
> +       };
> +};
> +
> +&mi2s0_data0 {
> +       drive-strength = <6>;
> +       bias-disable;
> +};
> +
> +&mi2s0_data1 {
> +       drive-strength = <6>;
> +       bias-disable;
> +};
> +
> +&mi2s0_mclk {
> +       drive-strength = <6>;
> +       bias-disable;
> +};
> +
> +&mi2s0_sclk {
> +       drive-strength = <6>;
> +       bias-disable;
> +};
> +
> +&mi2s0_ws {
> +       drive-strength = <6>;

Just like for patch #1, I think you want "bias-disable" here, too.

-Doug