[PATCH 1/3] arm64: dts: imx93-11x11-evk: add bt-sco sound card support

From: Shengjiu Wang
Date: Thu Jul 25 2024 - 05:18:36 EST


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>
---
.../boot/dts/freescale/imx93-11x11-evk.dts | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index a15987f49e8d..7ed75fb287df 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -80,6 +80,30 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
off-on-delay-us = <12000>;
enable-active-high;
};
+
+ bt_sco_codec: bt_sco_codec {
+ #sound-dai-cells = <1>;
+ compatible = "linux,bt-sco";
+ };
+
+ 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 = <&sai1>;
+ dai-tdm-slot-num = <2>;
+ dai-tdm-slot-width = <16>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&bt_sco_codec 1>;
+ };
+ };
};

&adc1 {
@@ -345,6 +369,18 @@ &mu2 {
status = "okay";
};

+&sai1 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&pinctrl_sai1>;
+ pinctrl-1 = <&pinctrl_sai1_sleep>;
+ assigned-clocks = <&clk IMX93_CLK_SAI1>;
+ assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+ assigned-clock-rates = <12288000>;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
&usbotg1 {
dr_mode = "otg";
hnp-disable;
@@ -528,6 +564,24 @@ MX93_PAD_CCM_CLKO2__GPIO3_IO27 0x31e
>;
};

+ pinctrl_sai1: sai1grp {
+ fsl,pins = <
+ MX93_PAD_SAI1_TXC__SAI1_TX_BCLK 0x31e
+ MX93_PAD_SAI1_TXFS__SAI1_TX_SYNC 0x31e
+ MX93_PAD_SAI1_TXD0__SAI1_TX_DATA00 0x31e
+ MX93_PAD_SAI1_RXD0__SAI1_RX_DATA00 0x31e
+ >;
+ };
+
+ pinctrl_sai1_sleep: sai1grpsleep {
+ fsl,pins = <
+ MX93_PAD_SAI1_TXC__GPIO1_IO12 0x51e
+ MX93_PAD_SAI1_TXFS__GPIO1_IO11 0x51e
+ MX93_PAD_SAI1_TXD0__GPIO1_IO13 0x51e
+ MX93_PAD_SAI1_RXD0__GPIO1_IO14 0x51e
+ >;
+ };
+
/* need to config the SION for data and cmd pad, refer to ERR052021 */
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
--
2.34.1