diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2024-02-05 05:04:24 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2024-02-06 13:56:43 +0300 |
| commit | caf5567b42ddaebc34b8607c277e12472b045bd5 (patch) | |
| tree | f6519c13f9a6a75ad5484006903b47bec5d38a1d /arch/arm64/boot/dts/freescale | |
| parent | 5f7c9c3e694b11e0bba600bf937b07dd1c5f886b (diff) | |
| download | linux-caf5567b42ddaebc34b8607c277e12472b045bd5.tar.xz | |
arm64: dts: imx8mn-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')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi index a0e13d3324ed..269e70f66a13 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi @@ -110,6 +110,20 @@ spdif-out; spdif-in; }; + + sound-micfil { + compatible = "fsl,imx-audio-card"; + model = "micfil-audio"; + + pri-dai-link { + link-name = "micfil hifi"; + format = "i2s"; + + cpu { + sound-dai = <&micfil>; + }; + }; + }; }; &easrc { @@ -285,6 +299,16 @@ status = "okay"; }; +&micfil { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pdm>; + assigned-clocks = <&clk IMX8MN_CLK_PDM>; + assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>; + assigned-clock-rates = <196608000>; + status = "okay"; +}; + &mipi_csi { status = "okay"; @@ -522,6 +546,18 @@ >; }; + pinctrl_pdm: pdmgrp { + fsl,pins = < + MX8MN_IOMUXC_SAI5_MCLK_SAI5_MCLK 0xd6 + MX8MN_IOMUXC_SAI5_RXC_PDM_CLK 0xd6 + MX8MN_IOMUXC_SAI5_RXFS_SAI5_RX_SYNC 0xd6 + MX8MN_IOMUXC_SAI5_RXD0_PDM_BIT_STREAM0 0xd6 + MX8MN_IOMUXC_SAI5_RXD1_PDM_BIT_STREAM1 0xd6 + MX8MN_IOMUXC_SAI5_RXD2_PDM_BIT_STREAM2 0xd6 + MX8MN_IOMUXC_SAI5_RXD3_PDM_BIT_STREAM3 0xd6 + >; + }; + pinctrl_pmic: pmicirqgrp { fsl,pins = < MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141 |