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charset="utf-8" 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 Reviewed-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 54 ++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot= /dts/freescale/imx952-evk.dts index 2615fbb63145..62d1c1c7c501 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -52,6 +52,12 @@ chosen { stdout-path =3D &lpuart1; }; =20 + dmic: dmic { + compatible =3D "dmic-codec"; + #sound-dai-cells =3D <0>; + num-channels =3D <2>; + }; + memory@80000000 { device_type =3D "memory"; reg =3D <0x0 0x80000000 0 0x80000000>; @@ -164,6 +170,24 @@ btcpu: simple-audio-card,cpu { }; }; =20 + sound-micfil { + compatible =3D "fsl,imx-audio-card"; + model =3D "micfil-audio"; + + pri-dai-link { + format =3D "i2s"; + link-name =3D "micfil hifi"; + + codec { + sound-dai =3D <&dmic>; + }; + + cpu { + sound-dai =3D <&micfil>; + }; + }; + }; + sound-wm8962 { compatible =3D "fsl,imx-audio-wm8962"; audio-asrc =3D <&asrc1>; @@ -411,6 +435,22 @@ &lpspi7 { status =3D "okay"; }; =20 +&micfil { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_PDM>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + pinctrl-0 =3D <&pinctrl_pdm>; + pinctrl-1 =3D <&pinctrl_pdm_sleep>; + pinctrl-names =3D "default", "sleep"; + status =3D "okay"; +}; + &sai1 { assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, @@ -604,6 +644,20 @@ IMX952_PAD_GPIO_IO36__WAKEUPMIX_TOP_GPIO5_IO_16 0x31e >; }; =20 + pinctrl_pdm: pdmgrp { + fsl,pins =3D < + IMX952_PAD_PDM_CLK__AONMIX_TOP_PDM_CLK 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_PDM_BIT_STREAM_0 0x31e + >; + }; + + pinctrl_pdm_sleep: pdmsleepgrp { + fsl,pins =3D < + IMX952_PAD_PDM_CLK__AONMIX_TOP_GPIO1_IO_8 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_GPIO1_IO_9 0x31e + >; + }; + pinctrl_ptn5110: ptn5110grp { fsl,pins =3D < IMX952_PAD_GPIO_IO34__WAKEUPMIX_TOP_GPIO5_IO_14 0x31e --=20 2.34.1