linux-kernel - [PATCH 2/3] arm64: dts: imx8ulp-evk: Add bt-sco sound card support

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Message-Id: <1729072591-10439-3-git-send-email-shengjiu.wang@nxp.com>
Date: Wed, 16 Oct 2024 17:56:30 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	shengjiu.wang@...il.com
Subject: [PATCH 2/3] arm64: dts: imx8ulp-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>
---
 arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index e937e5f8fa8b..7d6d332fa779 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
@@ -11,6 +11,11 @@ / {
 	model = "NXP i.MX8ULP EVK";
 	compatible = "fsl,imx8ulp-evk", "fsl,imx8ulp";
 
+	bt_sco_codec: bt-sco-codec {
+		#sound-dai-cells = <1>;
+		compatible = "linux,bt-sco";
+	};
+
 	chosen {
 		stdout-path = &lpuart5;
 	};
@@ -83,6 +88,25 @@ clock_ext_ts: clock-ext-ts {
 		clock-output-names = "ext_ts_clk";
 		#clock-cells = <0>;
 	};
+
+	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 = <&sai5>;
+			dai-tdm-slot-num = <2>;
+			dai-tdm-slot-width = <16>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&bt_sco_codec 1>;
+		};
+	};
 };
 
 &cm33 {
@@ -153,6 +177,16 @@ ptn5150_2: typec@3d {
 	};
 };
 
+&sai5 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_sai5>;
+	pinctrl-1 = <&pinctrl_sai5>;
+	assigned-clocks = <&cgc1 IMX8ULP_CLK_SAI5_SEL>;
+	assigned-clock-parents = <&cgc1 IMX8ULP_CLK_SPLL3_PFD1_DIV1>;
+	fsl,dataline = <1 0x08 0x01>;
+	status = "okay";
+};
+
 &usbotg1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usb1>;
@@ -282,6 +316,15 @@ MX8ULP_PAD_PTE13__LPI2C7_SDA	0x20
 		>;
 	};
 
+	pinctrl_sai5: sai5grp {
+		fsl,pins = <
+			MX8ULP_PAD_PTF26__I2S5_TX_BCLK	0x43
+			MX8ULP_PAD_PTF27__I2S5_TX_FS	0x43
+			MX8ULP_PAD_PTF28__I2S5_TXD0	0x43
+			MX8ULP_PAD_PTF24__I2S5_RXD3	0x43
+		>;
+	};
+
 	pinctrl_typec1: typec1grp {
 		fsl,pins = <
 			MX8ULP_PAD_PTF3__PTF3           0x3
-- 
2.34.1