diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2024-02-05 05:04:23 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2024-02-06 13:56:43 +0300 |
| commit | 5f7c9c3e694b11e0bba600bf937b07dd1c5f886b (patch) | |
| tree | 010578b5fa30d29a89dc5dd63bce133276227e7a | |
| parent | 4b0947c0fdb91d6bf3939c639a6167391a37e830 (diff) | |
| download | linux-5f7c9c3e694b11e0bba600bf937b07dd1c5f886b.tar.xz | |
arm64: dts: imx8mm-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>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index b53104ed8919..9b39458f3fa5 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -151,6 +151,20 @@ clocks = <&clk IMX8MM_CLK_SAI3_ROOT>; }; }; + + sound-micfil { + compatible = "fsl,imx-audio-card"; + model = "micfil-audio"; + + pri-dai-link { + link-name = "micfil hifi"; + format = "i2s"; + + cpu { + sound-dai = <&micfil>; + }; + }; + }; }; &A53_0 { @@ -434,6 +448,16 @@ 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 +660,18 @@ >; }; + 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 |