arm64: dts: imx8mp-evk: add bt-sco sound card support

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@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 4a23c53730520484cd06caa2a64813177208e252..c2c708c492c0ebe2ebec4081d0d5817db28e4615 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -133,6 +133,11 @@
                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";
@@ -164,6 +169,25 @@
 
        };
 
+       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";
@@ -627,6 +651,17 @@
        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>;
@@ -899,6 +934,15 @@
                >;
        };
 
+       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