[PATCH 0/5] arm64: dts: imx91-11x11-evk: Add audio sound cards support

[PATCH 0/5] arm64: dts: imx91-11x11-evk: Add audio sound cards support

[Chancel Liu]

Add audio sound cards support including bt-sco, WM8962, PDM microphone,
and audio XCVR sound cards.

Chancel Liu (5):
  arm64: dts: imx91-11x11-evk: Refine label and node name of WM8962
  arm64: dts: imx91-11x11-evk: Add bt-sco sound card support
  arm64: dts: imx91-11x11-evk: Add WM8962 sound card support
  arm64: dts: imx91-11x11-evk: Add PDM microphone sound card support
  arm64: dts: imx91-11x11-evk: Add audio XCVR sound card support

 .../boot/dts/freescale/imx91-11x11-evk.dts    | 181 +++++++++++++++++-
 1 file changed, 180 insertions(+), 1 deletion(-)

-- 
2.50.1

[PATCH 1/5] arm64: dts: imx91-11x11-evk: Refine label and node name of WM8962

[Chancel Liu]

Refine label with "wm8962" and node name with "codec" to follow
devicetree specification.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
index aca78768dbd4..313ebc7e8a9c 100644
--- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -132,7 +132,7 @@ &lpi2c1 {
 	pinctrl-names = "default";
 	status = "okay";
 
-	audio_codec: wm8962@1a {
+	wm8962: codec@1a {
 		compatible = "wlf,wm8962";
 		reg = <0x1a>;
 		clocks = <&clk IMX93_CLK_SAI3_GATE>;
-- 
2.50.1

[PATCH 2/5] arm64: dts: imx91-11x11-evk: Add bt-sco sound card support

[Chancel Liu]

Add bt-sco sound card, which is used by BT HFP case.
It supports wb profile as default.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
 .../boot/dts/freescale/imx91-11x11-evk.dts    | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
index 313ebc7e8a9c..55d2ccafc376 100644
--- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -31,6 +31,11 @@ aliases {
 		serial4 = &lpuart5;
 	};
 
+	bt_sco_codec: bt-sco-codec {
+		compatible = "linux,bt-sco";
+		#sound-dai-cells = <1>;
+	};
+
 	chosen {
 		stdout-path = &lpuart1;
 	};
@@ -77,6 +82,25 @@ linux,cma {
 			linux,cma-default;
 		};
 	};
+
+	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>;
+
+		simple-audio-card,codec {
+			sound-dai = <&bt_sco_codec 1>;
+		};
+
+		btcpu: simple-audio-card,cpu {
+			sound-dai = <&sai1>;
+			dai-tdm-slot-num = <2>;
+			dai-tdm-slot-width = <16>;
+		};
+	};
 };
 
 &adc1 {
@@ -372,6 +396,17 @@ bluetooth {
 	};
 };
 
+&sai1 {
+	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 {
 	adp-disable;
 	disable-over-current;
@@ -528,6 +563,24 @@ MX91_PAD_I2C2_SDA__LPI2C2_SDA                           0x40000b9e
 		>;
 	};
 
+	pinctrl_sai1: sai1grp {
+		fsl,pins = <
+			MX91_PAD_SAI1_TXC__SAI1_TX_BCLK			0x31e
+			MX91_PAD_SAI1_TXFS__SAI1_TX_SYNC		0x31e
+			MX91_PAD_SAI1_TXD0__SAI1_TX_DATA0		0x31e
+			MX91_PAD_SAI1_RXD0__SAI1_RX_DATA0		0x31e
+		>;
+	};
+
+	pinctrl_sai1_sleep: sai1sleepgrp {
+		fsl,pins = <
+			MX91_PAD_SAI1_TXC__GPIO1_IO12			0x51e
+			MX91_PAD_SAI1_TXFS__GPIO1_IO11			0x51e
+			MX91_PAD_SAI1_TXD0__GPIO1_IO13			0x51e
+			MX91_PAD_SAI1_RXD0__GPIO1_IO14			0x51e
+		>;
+	};
+
 	pinctrl_lpi2c3: lpi2c3grp {
 		fsl,pins = <
 			MX91_PAD_GPIO_IO28__LPI2C3_SDA                          0x40000b9e
-- 
2.50.1

[PATCH 3/5] arm64: dts: imx91-11x11-evk: Add WM8962 sound card support

[Chancel Liu]

Add WM8962 sound card support which connects to SAI3.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
 .../boot/dts/freescale/imx91-11x11-evk.dts    | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
index 55d2ccafc376..a70a9af50ab7 100644
--- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -83,6 +83,22 @@ linux,cma {
 		};
 	};
 
+	sound-wm8962 {
+		compatible = "fsl,imx-audio-wm8962";
+		model = "wm8962-audio";
+		audio-cpu = <&sai3>;
+		audio-codec = <&wm8962>;
+		hp-det-gpio = <&pcal6524 4 GPIO_ACTIVE_HIGH>;
+		audio-routing =
+			"Headphone Jack", "HPOUTL",
+			"Headphone Jack", "HPOUTR",
+			"Ext Spk", "SPKOUTL",
+			"Ext Spk", "SPKOUTR",
+			"AMIC", "MICBIAS",
+			"IN3R", "AMIC",
+			"IN1R", "AMIC";
+	};
+
 	sound-bt-sco {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "bt-sco-audio";
@@ -407,6 +423,17 @@ &sai1 {
 	status = "okay";
 };
 
+&sai3 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_sai3>;
+	pinctrl-1 = <&pinctrl_sai3_sleep>;
+	assigned-clocks = <&clk IMX93_CLK_SAI3>;
+	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+	assigned-clock-rates = <12288000>;
+	fsl,sai-mclk-direction-output;
+	status = "okay";
+};
+
 &usbotg1 {
 	adp-disable;
 	disable-over-current;
@@ -581,6 +608,26 @@ MX91_PAD_SAI1_RXD0__GPIO1_IO14			0x51e
 		>;
 	};
 
+	pinctrl_sai3: sai3grp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO16__SAI3_TX_BCLK		0x31e
+			MX91_PAD_GPIO_IO17__SAI3_MCLK			0x31e
+			MX91_PAD_GPIO_IO19__SAI3_TX_DATA0		0x31e
+			MX91_PAD_GPIO_IO20__SAI3_RX_DATA0		0x31e
+			MX91_PAD_GPIO_IO26__SAI3_TX_SYNC		0x31e
+		>;
+	};
+
+	pinctrl_sai3_sleep: sai3sleepgrp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO16__GPIO2_IO16			0x51e
+			MX91_PAD_GPIO_IO17__GPIO2_IO17			0x51e
+			MX91_PAD_GPIO_IO19__GPIO2_IO19			0x51e
+			MX91_PAD_GPIO_IO20__GPIO2_IO20			0x51e
+			MX91_PAD_GPIO_IO26__GPIO2_IO26			0x51e
+		>;
+	};
+
 	pinctrl_lpi2c3: lpi2c3grp {
 		fsl,pins = <
 			MX91_PAD_GPIO_IO28__LPI2C3_SDA                          0x40000b9e
-- 
2.50.1

[PATCH 4/5] arm64: dts: imx91-11x11-evk: Add PDM microphone sound card support

[Chancel Liu]

Add PDM micphone sound card support.

This sound card supports recording sound from PDM microphone
and convert the PDM format data to PCM data.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
 .../boot/dts/freescale/imx91-11x11-evk.dts    | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
index a70a9af50ab7..605b1d10513a 100644
--- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -117,6 +117,20 @@ btcpu: simple-audio-card,cpu {
 			dai-tdm-slot-width = <16>;
 		};
 	};
+
+	sound-micfil {
+		compatible = "fsl,imx-audio-card";
+		model = "micfil-audio";
+
+		pri-dai-link {
+			link-name = "micfil hifi";
+			format = "i2s";
+
+			cpu {
+				sound-dai = <&micfil>;
+			};
+		};
+	};
 };
 
 &adc1 {
@@ -412,6 +426,16 @@ bluetooth {
 	};
 };
 
+&micfil {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_pdm>;
+	pinctrl-1 = <&pinctrl_pdm_sleep>;
+	assigned-clocks = <&clk IMX93_CLK_PDM>;
+	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+	assigned-clock-rates = <49152000>;
+	status = "okay";
+};
+
 &sai1 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&pinctrl_sai1>;
@@ -590,6 +614,22 @@ MX91_PAD_I2C2_SDA__LPI2C2_SDA                           0x40000b9e
 		>;
 	};
 
+	pinctrl_pdm: pdmgrp {
+		fsl,pins = <
+			MX91_PAD_PDM_CLK__PDM_CLK			0x31e
+			MX91_PAD_PDM_BIT_STREAM0__PDM_BIT_STREAM0	0x31e
+			MX91_PAD_PDM_BIT_STREAM1__PDM_BIT_STREAM1	0x31e
+		>;
+	};
+
+	pinctrl_pdm_sleep: pdmsleepgrp {
+		fsl,pins = <
+			MX91_PAD_PDM_CLK__GPIO1_IO8			0x51e
+			MX91_PAD_PDM_BIT_STREAM0__GPIO1_IO9		0x51e
+			MX91_PAD_PDM_BIT_STREAM1__GPIO1_IO10		0x51e
+		>;
+	};
+
 	pinctrl_sai1: sai1grp {
 		fsl,pins = <
 			MX91_PAD_SAI1_TXC__SAI1_TX_BCLK			0x31e
-- 
2.50.1

[PATCH 5/5] arm64: dts: imx91-11x11-evk: Add audio XCVR sound card support

[Chancel Liu]

Add audio XCVR sound card, which supports SPDIF TX & RX only,
eARC RX, ARC RX are not supported.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
 .../boot/dts/freescale/imx91-11x11-evk.dts    | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
index 605b1d10513a..3cd9808fc332 100644
--- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -131,6 +131,19 @@ cpu {
 			};
 		};
 	};
+
+	sound-xcvr {
+		compatible = "fsl,imx-audio-card";
+		model = "imx-audio-xcvr";
+
+		pri-dai-link {
+			link-name = "XCVR PCM";
+
+			cpu {
+				sound-dai = <&xcvr>;
+			};
+		};
+	};
 };
 
 &adc1 {
@@ -523,6 +536,18 @@ &wdog3 {
 	status = "okay";
 };
 
+&xcvr {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_spdif>;
+	pinctrl-1 = <&pinctrl_spdif_sleep>;
+	assigned-clocks = <&clk IMX93_CLK_SPDIF>,
+			  <&clk IMX93_CLK_AUDIO_XCVR>;
+	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>,
+				 <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
+	assigned-clock-rates = <12288000>, <200000000>;
+	status = "okay";
+};
+
 &iomuxc {
 	pinctrl_eqos: eqosgrp {
 		fsl,pins = <
@@ -668,6 +693,20 @@ MX91_PAD_GPIO_IO26__GPIO2_IO26			0x51e
 		>;
 	};
 
+	pinctrl_spdif: spdifgrp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO22__SPDIF_IN			0x31e
+			MX91_PAD_GPIO_IO23__SPDIF_OUT			0x31e
+		>;
+	};
+
+	pinctrl_spdif_sleep: spdifsleepgrp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO22__GPIO2_IO22			0x51e
+			MX91_PAD_GPIO_IO23__GPIO2_IO23			0x51e
+		>;
+	};
+
 	pinctrl_lpi2c3: lpi2c3grp {
 		fsl,pins = <
 			MX91_PAD_GPIO_IO28__LPI2C3_SDA                          0x40000b9e
-- 
2.50.1

Re: [PATCH 1/5] arm64: dts: imx91-11x11-evk: Refine label and node name of WM8962

[Daniel Baluta]

On Wed, Dec 3, 2025 at 9:06 AM Chancel Liu <chancel.liu@nxp.com> wrote:
>
> Refine label with "wm8962" and node name with "codec" to follow
> devicetree specification.
>
> Signed-off-by: Chancel Liu <chancel.liu@nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>

Re: [PATCH 2/5] arm64: dts: imx91-11x11-evk: Add bt-sco sound card support

[Daniel Baluta]

On Wed, Dec 3, 2025 at 9:07 AM Chancel Liu <chancel.liu@nxp.com> wrote:
>
> Add bt-sco sound card, which is used by BT HFP case.
> It supports wb profile as default.
>
> Signed-off-by: Chancel Liu <chancel.liu@nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>

Re: [PATCH 3/5] arm64: dts: imx91-11x11-evk: Add WM8962 sound card support

[Daniel Baluta]

On Wed, Dec 3, 2025 at 9:07 AM Chancel Liu <chancel.liu@nxp.com> wrote:
>
> Add WM8962 sound card support which connects to SAI3.
>
> Signed-off-by: Chancel Liu <chancel.liu@nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>

Re: [PATCH 4/5] arm64: dts: imx91-11x11-evk: Add PDM microphone sound card support

[Daniel Baluta]

On Wed, Dec 3, 2025 at 9:08 AM Chancel Liu <chancel.liu@nxp.com> wrote:
>
> Add PDM micphone sound card support.
>
> This sound card supports recording sound from PDM microphone
> and convert the PDM format data to PCM data.
>
> Signed-off-by: Chancel Liu <chancel.liu@nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>

Re: [PATCH 1/5] arm64: dts: imx91-11x11-evk: Refine label and node name of WM8962

[Shawn Guo]

On Wed, Dec 03, 2025 at 04:06:01PM +0900, Chancel Liu wrote:
> Refine label with "wm8962" and node name with "codec" to follow
> devicetree specification.
> 
> Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
> index aca78768dbd4..313ebc7e8a9c 100644
> --- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
> @@ -132,7 +132,7 @@ &lpi2c1 {
>  	pinctrl-names = "default";
>  	status = "okay";
>  
> -	audio_codec: wm8962@1a {
> +	wm8962: codec@1a {

The node name could be better named as audio-codec.

I fixed it up and applied the series.

Shawn

>  		compatible = "wlf,wm8962";
>  		reg = <0x1a>;
>  		clocks = <&clk IMX93_CLK_SAI3_GATE>;
> -- 
> 2.50.1
>