mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-14 18:25:48 -04:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: imx93-11x11-evk: Add PDM microphone sound card support

Browse Source 
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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Shengjiu Wang
2024-07-29 09:39:58 +08:00
committed by Shawn Guo
parent 198aa4706c
commit fcfa86b3e0
1 changed files with 40 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
View File

@@ -104,6 +104,20 @@ simple-audio-card,codec {
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 @@ &lpuart5 {
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 @@ MX93_PAD_CCM_CLKO2__GPIO3_IO27 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_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