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>
---
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
