On Thu, May 9, 2024 at 8:37 AM Shengjiu Wang <shengjiu.wang@xxxxxxx> wrote:
>
> Add bt-sco sound card, which is used by BT HFP case.
> It supports wb profile as default
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 44 ++++++++++++++++++++
> 1 file changed, 44 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index 8be5b2a57f27..b2225cb710b6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -114,6 +114,11 @@ reg_vext_3v3: regulator-vext-3v3 {
> regulator-max-microvolt = <3300000>;
> };
>
> + audio_codec_bt_sco: audio-codec-bt-sco {
> + compatible = "linux,bt-sco";
> + #sound-dai-cells = <1>;
> + };
> +
> sound {
> compatible = "simple-audio-card";
> simple-audio-card,name = "wm8960-audio";
> @@ -145,6 +150,25 @@ simple-audio-card,codec {
>
> };
>
> + sound-bt-sco {
> + compatible = "simple-audio-card";
> + simple-audio-card,name = "bt-sco-audio";
> + simple-audio-card,format = "dsp_a";
> + simple-audio-card,bitclock-inversion;
> + simple-audio-card,frame-master = <&btcpu>;
> + simple-audio-card,bitclock-master = <&btcpu>;
> +
> + btcpu: simple-audio-card,cpu {
> + sound-dai = <&sai2>;
> + dai-tdm-slot-num = <2>;
> + dai-tdm-slot-width = <16>;
> + };
> +
> + simple-audio-card,codec {
> + sound-dai = <&audio_codec_bt_sco 1>;
> + };
> + };
> +
> sound-hdmi {
> compatible = "fsl,imx-audio-hdmi";
> model = "audio-hdmi";
> @@ -608,6 +632,17 @@ &pwm4 {
> status = "okay";
> };
>
> +&sai2 {
> + #sound-dai-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sai2>;
> + assigned-clocks = <&clk IMX8MP_CLK_SAI2>;
> + assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
> + assigned-clock-rates = <12288000>;
> + fsl,sai-mclk-direction-output;
> + status = "okay";
> +};
> +
> &sai3 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_sai3>;
> @@ -880,6 +915,15 @@ MX8MP_IOMUXC_UART3_TXD__UART1_DCE_RTS 0x140
> >;
> };
>
> + pinctrl_sai2: sai2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK 0xd6
> + MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI2_TX_SYNC 0xd6
> + MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00 0xd6
> + MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI2_RX_DATA00 0xd6
> + >;
> + };
> +
> pinctrl_sai3: sai3grp {
> fsl,pins = <
> MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI3_TX_SYNC 0xd6
> --
> 2.34.1
>
>
