[PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support
From: Shengjiu Wang <hidden>
Date: 2026-03-12 03:47:56
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add wm8962 sound card. By connecting with ASRC1, the sound card support sample rate conversion. Signed-off-by: Shengjiu Wang <redacted> --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 119 +++++++++++++++++++ 1 file changed, 119 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts
index 509704c23e89..ef0058b98573 100644
--- a/arch/arm64/boot/dts/freescale/imx952-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts@@ -110,6 +110,15 @@ reg_vref_1v8: regulator-adc-vref { regulator-max-microvolt = <1800000>; }; + reg_audio_pwr: regulator-audio-pwr { + compatible = "regulator-fixed"; + regulator-name = "audio-pwr"; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + gpio = <&i2c4_pcal6408 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible = "regulator-fixed"; pinctrl-names = "default";
@@ -131,6 +140,51 @@ reg_usb_vbus: regulator-vbus { enable-active-high; }; + sound-wm8962 { + compatible = "fsl,imx-audio-wm8962"; + audio-asrc = <&asrc1>; + audio-codec = <&wm8962>; + audio-cpu = <&sai3>; + audio-routing = "Headphone Jack", "HPOUTL", + "Headphone Jack", "HPOUTR", + "Ext Spk", "SPKOUTL", + "Ext Spk", "SPKOUTR", + "AMIC", "MICBIAS", + "IN3R", "AMIC", + "IN1R", "AMIC"; + hp-det-gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; + model = "wm8962-audio"; + pinctrl-0 = <&pinctrl_hp>; + pinctrl-names = "default"; + }; +}; + +&asrc1 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_ASRC1>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + fsl,asrc-rate = <48000>; + status = "okay"; +}; + +&asrc2 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_ASRC2>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + fsl,asrc-rate = <48000>; + status = "okay"; }; /* pin conflict with PDM */
@@ -185,6 +239,27 @@ &lpi2c4 { pinctrl-0 = <&pinctrl_lpi2c4>; status = "okay"; + wm8962: audio-codec@1a { + compatible = "wlf,wm8962"; + reg = <0x1a>; + clocks = <&scmi_clk IMX952_CLK_SAI3>; + AVDD-supply = <®_audio_pwr>; + CPVDD-supply = <®_audio_pwr>; + DBVDD-supply = <®_audio_pwr>; + DCVDD-supply = <®_audio_pwr>; + gpio-cfg = < 0x0000 /* 0:Default */ + 0x0000 /* 1:Default */ + 0x0000 /* 2:FN_DMICCLK */ + 0x0000 /* 3:Default */ + 0x0000 /* 4:FN_DMICCDAT */ + 0x0000 /* 5:Default */ + >; + MICVDD-supply = <®_audio_pwr>; + PLLVDD-supply = <®_audio_pwr>; + SPKVDD1-supply = <®_audio_pwr>; + SPKVDD2-supply = <®_audio_pwr>; + }; + i2c4_pcal6408: gpio@21 { compatible = "nxp,pcal6408"; reg = <0x21>;
@@ -312,6 +387,24 @@ &lpspi7 { status = "okay"; }; +&sai3 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_SAI3>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <12288000>; + pinctrl-0 = <&pinctrl_sai3>; + pinctrl-1 = <&pinctrl_sai3_sleep>; + pinctrl-names = "default", "sleep"; + fsl,sai-amix-mode = "bypass"; + fsl,sai-mclk-direction-output; + status = "okay"; +}; + &scmi_misc { nxp,ctrl-ids = <BRD_SM_CTRL_SD3_WAKE 1 BRD_SM_CTRL_M2E_WAKE 1
@@ -402,6 +495,12 @@ IMX952_PAD_GPIO_IO27__WAKEUPMIX_TOP_CAN2_RX 0x39e >; }; + pinctrl_hp: hpgrp { + fsl,pins = < + IMX952_PAD_GPIO_IO11__WAKEUPMIX_TOP_GPIO2_IO_11 0x31e + >; + }; + pinctrl_lpi2c2: lpi2c2grp { fsl,pins = < IMX952_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL 0x40000b9e
@@ -476,6 +575,26 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e >; }; + pinctrl_sai3: sai3grp { + fsl,pins = < + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXBCLK 0x31e + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXSYNC 0x31e + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_SAI3_RX_DATA_0 0x31e + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXDATA 0x31e + >; + }; + + pinctrl_sai3_sleep: sai3sleepgrp { + fsl,pins = < + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_GPIO2_IO_17 0x31e + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_GPIO2_IO_16 0x31e + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_GPIO2_IO_26 0x31e + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_GPIO2_IO_20 0x31e + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_GPIO2_IO_21 0x31e + >; + }; + pinctrl_tpm3: tpm3grp { fsl,pins = < IMX952_PAD_GPIO_IO12__WAKEUPMIX_TOP_TPM3_CH2 0x51e
--
2.34.1