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authorShengjiu Wang <[email protected]>2024-07-29 09:39:58 +0800
committerShawn Guo <[email protected]>2024-08-13 10:48:01 +0800
commitfcfa86b3e02c565339c98108ef34d2ed7c36ff9f (patch)
tree02b3d08e385f4093cec001394c96d73feff7f3a2
parent198aa4706cc7498e099b3379ea0a1ad1fbda9520 (diff)
arm64: dts: imx93-11x11-evk: 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 <[email protected]> Signed-off-by: Shawn Guo <[email protected]>
-rw-r--r--arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index b2e298dc9067..2273d318310f 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -104,6 +104,20 @@
sound-dai = <&bt_sco_codec 1>;
};
};
+
+ sound-micfil {
+ compatible = "fsl,imx-audio-card";
+ model = "micfil-audio";
+
+ pri-dai-link {
+ link-name = "micfil hifi";
+ format = "i2s";
+
+ cpu {
+ sound-dai = <&micfil>;
+ };
+ };
+ };
};
&adc1 {
@@ -357,6 +371,16 @@
status = "okay";
};
+&micfil {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&pinctrl_pdm>;
+ pinctrl-1 = <&pinctrl_pdm_sleep>;
+ assigned-clocks = <&clk IMX93_CLK_PDM>;
+ assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+ assigned-clock-rates = <49152000>;
+ status = "okay";
+};
+
&mu1 {
status = "okay";
};
@@ -559,6 +583,22 @@
>;
};
+ 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_pdm_sleep: pdmsleepgrp {
+ fsl,pins = <
+ MX93_PAD_PDM_CLK__GPIO1_IO08 0x31e
+ MX93_PAD_PDM_BIT_STREAM0__GPIO1_IO09 0x31e
+ MX93_PAD_PDM_BIT_STREAM1__GPIO1_IO10 0x31e
+ >;
+ };
+
pinctrl_sai1: sai1grp {
fsl,pins = <
MX93_PAD_SAI1_TXC__SAI1_TX_BCLK 0x31e