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arm64: dts: imx93-9x9-qsb: Add PDM microphone sound card support

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Add PDM micphone sound card support, configure the pinmux.

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

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Shengjiu Wang 2024-10-16 16:49:17 +08:00 committed by Shawn Guo
parent 7601156dc7
commit 31b2f4e4c4
1 changed files with 37 additions and 0 deletions
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37
arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
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@ -122,6 +122,20 @@ simple-audio-card,codec {
};
};
sound-micfil {
compatible = "fsl,imx-audio-card";
model = "micfil-audio";
pri-dai-link {
link-name = "micfil hifi";
format = "i2s";
cpu {
sound-dai = <&micfil>;
};
};
};
sound-wm8962 {
compatible = "fsl,imx-audio-wm8962";
model = "wm8962-audio";
@ -271,6 +285,12 @@ exp-sel-hog {
gpios = <22 GPIO_ACTIVE_HIGH>;
output-low;
};
mic-can-sel-hog {
gpio-hog;
gpios = <17 GPIO_ACTIVE_HIGH>;
output-low;
};
};
pmic@25 {
@ -355,6 +375,15 @@ &lpuart1 { /* console */
status = "okay";
};
&micfil {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pdm>;
assigned-clocks = <&clk IMX93_CLK_PDM>;
assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
assigned-clock-rates = <49152000>;
status = "okay";
};
&mu1 {
status = "okay";
};
@ -468,6 +497,14 @@ MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x31e
>;
};
pinctrl_pdm: pdmgrp {
fsl,pins = <
MX93_PAD_PDM_CLK__PDM_CLK 0x31e
MX93_PAD_PDM_BIT_STREAM0__PDM_BIT_STREAM00 0x31e
MX93_PAD_PDM_BIT_STREAM1__PDM_BIT_STREAM01 0x31e
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX93_PAD_UART1_RXD__LPUART1_RX 0x31e