diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2024-02-28 11:30:13 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2024-03-29 11:22:53 +0800 |
| commit | 224598e2d536259be4a3f7e198f7003d9fbfcc82 (patch) | |
| tree | 97bb1ef379f61196c9bb6599ebc8ba45443fdda0 /arch/arm64/boot/dts/freescale/imx8mp-evk.dts | |
| parent | a9226157af7c15be4f608ac6799249442173075f (diff) | |
arm64: dts: imx8mp-evk: Add PDM micphone sound card support
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@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mp-evk.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index c83c480ddd5c..8be5b2a57f27 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -152,6 +152,20 @@ hdmi-out; }; + sound-micfil { + compatible = "fsl,imx-audio-card"; + model = "micfil-audio"; + + pri-dai-link { + link-name = "micfil hifi"; + format = "i2s"; + + cpu { + sound-dai = <&micfil>; + }; + }; + }; + reserved-memory { #address-cells = <2>; #size-cells = <2>; @@ -535,6 +549,16 @@ status = "okay"; }; +&micfil { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pdm>; + assigned-clocks = <&clk IMX8MP_CLK_PDM>; + assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>; + assigned-clock-rates = <196608000>; + status = "okay"; +}; + &mipi_dsi { samsung,esc-clock-frequency = <10000000>; status = "okay"; @@ -801,6 +825,16 @@ >; }; + pinctrl_pdm: pdmgrp { + fsl,pins = < + MX8MP_IOMUXC_SAI5_RXC__AUDIOMIX_PDM_CLK 0xd6 + MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_PDM_BIT_STREAM00 0xd6 + MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_PDM_BIT_STREAM01 0xd6 + MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_PDM_BIT_STREAM02 0xd6 + MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_PDM_BIT_STREAM03 0xd6 + >; + }; + pinctrl_pmic: pmicgrp { fsl,pins = < MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x000001c0 |