[PATCH v2 2/3] arm64: dts: imx93-9x9-qsb: add bt-sco sound card support

Shengjiu Wang
2024-09-12T02:24:51Z

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>
---
.../boot/dts/freescale/imx93-9x9-qsb.dts | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
index 10f3366b8253..f44300225656 100644
--- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
@@ -12,6 +12,11 @@ / {
model = "NXP i.MX93 9x9 Quick Start Board";
compatible = "fsl,imx93-9x9-qsb", "fsl,imx93";

+ bt_sco_codec: bt-sco-codec {
+ #sound-dai-cells = <1>;
+ compatible = "linux,bt-sco";
+ };
+
chosen {
stdout-path = &lpuart1;
};
@@ -98,6 +103,25 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
off-on-delay-us = <12000>;
};

+ 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>;
+ };
+ };
+
sound-wm8962 {
compatible = "fsl,imx-audio-wm8962";
model = "wm8962-audio";
@@ -339,6 +363,16 @@ &mu2 {
status = "okay";
};

+&sai1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai1>;
+ 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";
+};
+
&sai3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai3>;
@@ -507,6 +541,15 @@ MX93_PAD_SD2_RESET_B__GPIO3_IO07 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_sai3: sai3grp {
fsl,pins = <
MX93_PAD_GPIO_IO12__SAI3_RX_SYNC 0x31e
--
2.34.1