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..cf734d2a94be 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>; }; + audio_codec_bt_sco: audio-codec-bt-sco { + #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 = <&audio_codec_bt_sco 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