On Mon, Jun 20, 2022 at 8:41 AM Shawn Guo <shawnguo@xxxxxxxxxx> wrote:
>
> On Wed, Jun 15, 2022 at 06:15:32PM +0800, Shengjiu Wang wrote:
> > Add bt-sco sound card, which supports wb profile as default
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> > ---
> > arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 43 +++++++++++++++++++
> > 1 file changed, 43 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > index c42b966f7a64..d99b562bb00e 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > @@ -75,6 +75,11 @@
> > linux,autosuspend-period = <125>;
> > };
> >
> > + bt_sco_codec: bt_sco_codec {
>
> Generic node name, maybe 'audio-codec'?
I see. There is already an 'audio-codec' node for wm8524. Maybe
'audio-codec-bt-sco'? In any case, hyphen is more recommended than
underscore in node names.
Shawn
> > + #sound-dai-cells = <1>;
> > + compatible = "linux,bt-sco";
> > + };
> > +
> > wm8524: audio-codec {
> > #sound-dai-cells = <0>;
> > compatible = "wlf,wm8524";
> > @@ -107,6 +112,25 @@
> > clocks = <&clk IMX8MM_CLK_SAI3_ROOT>;
> > };
> > };
> > +
> > + 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 = <&bt_sco_codec 1>;
> > + };
> > + };
> > };
> >
> > &A53_0 {
> > @@ -346,6 +370,16 @@
> > status = "okay";
> > };
> >
> > +&sai2 {
> > + #sound-dai-cells = <0>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_sai2>;
> > + assigned-clocks = <&clk IMX8MM_CLK_SAI2>;
> > + assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
> > + assigned-clock-rates = <24576000>;
> > + status = "okay";
> > +};
> > +
> > &sai3 {
> > pinctrl-names = "default";
> > pinctrl-0 = <&pinctrl_sai3>;
> > @@ -494,6 +528,15 @@
> > >;
> > };
> >
> > + pinctrl_sai2: sai2grp {
> > + fsl,pins = <
> > + MX8MM_IOMUXC_SAI2_TXC_SAI2_TX_BCLK 0xd6
> > + MX8MM_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC 0xd6
> > + MX8MM_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0 0xd6
> > + MX8MM_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0 0xd6
> > + >;
> > + };
> > +
> > pinctrl_sai3: sai3grp {
> > fsl,pins = <
> > MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0xd6
> > --
> > 2.17.1
> >
