> > Add PDM micphone sound card support, configure the pinmux.
> >
> > This sound card supports recording sound from PDM micphone and
> convert
> > the PDM format data to PCM data.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> > ---
> > arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 34
> > +++++++++++++++++++
> > 1 file changed, 34 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > index b53104ed8919..9679786dac51 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > @@ -151,6 +151,18 @@ simple-audio-card,codec {
> > clocks = <&clk IMX8MM_CLK_SAI3_ROOT>;
> > };
> > };
> > +
> > + sound-micfil {
> > + compatible = "fsl,imx-audio-card";
> > + model = "micfil-audio";
>
> Have a newline between properties and child node.
>
> > + pri-dai-link {
> > + link-name = "micfil hifi";
> > + format = "i2s";
>
> Ditto
>
Ok, will update in v2.
Best regards
Wang shengjiu
> Shawn
>
> > + cpu {
> > + sound-dai = <&micfil>;
> > + };
> > + };
> > + };
> > };
> >
> > &A53_0 {
> > @@ -434,6 +446,16 @@ &lcdif {
> > status = "okay";
> > };
> >
> > +&micfil {
> > + #sound-dai-cells = <0>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_pdm>;
> > + assigned-clocks = <&clk IMX8MM_CLK_PDM>;
> > + assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
> > + assigned-clock-rates = <196608000>;
> > + status = "okay";
> > +};
> > +
> > &mipi_csi {
> > status = "okay";
> >
> > @@ -636,6 +658,18 @@ MX8MM_IOMUXC_GPIO1_IO05_GPIO1_IO5
> 0x41
> > >;
> > };
> >
> > + pinctrl_pdm: pdmgrp {
> > + fsl,pins = <
> > + MX8MM_IOMUXC_SAI5_MCLK_SAI5_MCLK 0xd6
> > + MX8MM_IOMUXC_SAI5_RXC_PDM_CLK 0xd6
> > + MX8MM_IOMUXC_SAI5_RXFS_SAI5_RX_SYNC 0xd6
> > + MX8MM_IOMUXC_SAI5_RXD0_PDM_DATA0 0xd6
> > + MX8MM_IOMUXC_SAI5_RXD1_PDM_DATA1 0xd6
> > + MX8MM_IOMUXC_SAI5_RXD2_PDM_DATA2 0xd6
> > + MX8MM_IOMUXC_SAI5_RXD3_PDM_DATA3 0xd6
> > + >;
> > + };
> > +
> > pinctrl_pmic: pmicirqgrp {
> > fsl,pins = <
> > MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141
> > --
> > 2.34.1
> >
