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

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Message-Id: <1721897948-6306-2-git-send-email-shengjiu.wang@nxp.com>
Date: Thu, 25 Jul 2024 16:59:06 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	linux-imx@....com,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: shengjiu.wang@...il.com
Subject: [PATCH 1/3] arm64: dts: imx93-11x11-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@....com>
---
 .../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