[PATCH v2 2/3] arm64: dts: imx91-9x9-qsb: Add WM8524 sound card support
From: Chancel Liu <hidden>
Date: 2026-07-10 02:42:29
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Chancel Liu <redacted> Add WM8524 sound card support which connects to SAI1. Signed-off-by: Chancel Liu <redacted> --- .../boot/dts/freescale/imx91-9x9-qsb.dts | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
index 4821ac312ab2..e5983bb083ea 100644
--- a/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-9x9-qsb.dts@@ -110,6 +110,28 @@ linux,cma { linux,cma-default; }; }; + + sound-wm8524 { + compatible = "audio-graph-card2"; + label = "wm8524-audio"; + links = <&sai1_port1>; + widgets = "Line", "Line Out Jack"; + routing = + "Line Out Jack", "LINEVOUTL", + "Line Out Jack", "LINEVOUTR"; + }; + + wm8524: audio-codec { + compatible = "wlf,wm8524"; + #sound-dai-cells = <0>; + wlf,mute-gpios = <&pcal6524 2 GPIO_ACTIVE_LOW>; + + port { + codec_ep: endpoint { + remote-endpoint = <&sai1_ep1>; + }; + }; + }; }; &adc1 {
@@ -186,6 +208,15 @@ MX91_PAD_SD2_RESET_B__GPIO3_IO7 0x31e >; }; + 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_MCLK 0x31e + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX91_PAD_UART1_RXD__LPUART1_RX 0x31e
@@ -433,6 +464,42 @@ &lpuart1 { status = "okay"; }; +&sai1 { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sai1>, <&sai1_fun>, <&sai1_enable>; + assigned-clocks = <&clk IMX93_CLK_SAI1>; + assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>; + assigned-clock-rates = <24576000>; + clocks = <&clk IMX93_CLK_SAI1_IPG>, <&clk IMX93_CLK_DUMMY>, + <&clk IMX93_CLK_SAI1_GATE>, <&clk IMX93_CLK_DUMMY>, + <&clk IMX93_CLK_DUMMY>, <&clk IMX93_CLK_AUDIO_PLL>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k"; + fsl,sai-mclk-direction-output; + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + sai1_port1: port@1 { + reg = <1>; + playback-only; + + sai1_ep1: endpoint { + dai-format = "i2s"; + dai-tdm-slot-num = <2>; + dai-tdm-slot-width = <32>; + bitclock-master; + frame-master; + mclk-fs = <256>; + system-clock-direction-out; + remote-endpoint = <&codec_ep>; + }; + }; + }; +}; + &usbotg1 { adp-disable; disable-over-current;
--
2.50.1