2024-02-22 06:38:24

by Shengjiu Wang

Subject: [PATCH] arm64: dts: imx8mm-evk: Add spdif sound card support

Add spdif sound card support, configure the pinmux.

This sound card supports recording and playing sound
through spdif interface.

Signed-off-by: Shengjiu Wang <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 9b39458f3fa5..bd5b365867fd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -165,6 +165,14 @@ cpu {
};
};
};
+
+ sound-spdif {
+ compatible = "fsl,imx-audio-spdif";
+ model = "imx-spdif";
+ spdif-controller = <&spdif1>;
+ spdif-out;
+ spdif-in;
+ };
};

&A53_0 {
@@ -533,6 +541,24 @@ &snvs_pwrkey {
status = "okay";
};

+&spdif1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spdif1>;
+ assigned-clocks = <&clk IMX8MM_CLK_SPDIF1>;
+ assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <24576000>;
+ clocks = <&clk IMX8MM_CLK_AUDIO_AHB>, <&clk IMX8MM_CLK_24M>,
+ <&clk IMX8MM_CLK_SPDIF1>, <&clk IMX8MM_CLK_DUMMY>,
+ <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>,
+ <&clk IMX8MM_CLK_AUDIO_AHB>, <&clk IMX8MM_CLK_DUMMY>,
+ <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_CLK_DUMMY>,
+ <&clk IMX8MM_AUDIO_PLL1_OUT>, <&clk IMX8MM_AUDIO_PLL2_OUT>;
+ clock-names = "core", "rxtx0", "rxtx1", "rxtx2", "rxtx3",
+ "rxtx4", "rxtx5", "rxtx6", "rxtx7", "spba",
+ "pll8k", "pll11k";
+ status = "okay";
+};
+
&uart2 { /* console */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
@@ -702,6 +728,13 @@ MX8MM_IOMUXC_SAI3_TXD_SAI3_TX_DATA0 0xd6
>;
};

+ pinctrl_spdif1: spdif1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SPDIF_TX_SPDIF1_OUT 0xd6
+ MX8MM_IOMUXC_SPDIF_RX_SPDIF1_IN 0xd6
+ >;
+ };
+
pinctrl_typec1: typec1grp {
fsl,pins = <
MX8MM_IOMUXC_SD1_STROBE_GPIO2_IO11 0x159
--
2.34.1

2024-02-25 13:04:59

by Shawn Guo

Subject: Re: [PATCH] arm64: dts: imx8mm-evk: Add spdif sound card support

On Thu, Feb 22, 2024 at 02:17:13PM +0800, Shengjiu Wang wrote:
> Add spdif sound card support, configure the pinmux.
>
> This sound card supports recording and playing sound
> through spdif interface.
>
> Signed-off-by: Shengjiu Wang <[email protected]>

Applied, thanks!