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authorShengjiu Wang <shengjiu.wang@nxp.com>2024-10-16 11:49:17 +0300
committerShawn Guo <shawnguo@kernel.org>2024-10-22 06:14:24 +0300
commit31b2f4e4c4f70bdcb98ab67cf0592d1d9f226c3d (patch)
treebbc740a30f6d3e149c51ca9de19455a5fb982b09
parent7601156dc7caf87a7c92ee63b71511c3a3845cc9 (diff)
downloadlinux-31b2f4e4c4f70bdcb98ab67cf0592d1d9f226c3d.tar.xz
arm64: dts: imx93-9x9-qsb: Add PDM microphone sound card support
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>
-rw-r--r--arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
index cd2ad342be61..20ec5b3c21f4 100644
--- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
@@ -122,6 +122,20 @@
};
};
+ 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 @@
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 @@
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 @@
>;
};
+ 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