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arm64: dts: imx8mn: Add support for micfil

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The i.MX8M Nano has supports the MICFIL digital interface.
It's a 16-bit audio signal from a PDM microphone bitstream.
The driver is already in the kernel, but the node is missing.

Add the micfil node.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Adam Ford
2020-11-07 05:58:07 -06:00
committed by Shawn Guo
parent 9e98600697
commit cca69ef6eb
1 changed files with 19 additions and 0 deletions
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19
arch/arm64/boot/dts/freescale/imx8mn.dtsi
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@@ -318,6 +318,25 @@
status = "disabled"; status = "disabled";
}; };
micfil: audio-controller@30080000 {
compatible = "fsl,imx8mm-micfil";
reg = <0x30080000 0x10000>;
interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MN_CLK_PDM_IPG>,
<&clk IMX8MN_CLK_PDM_ROOT>,
<&clk IMX8MN_AUDIO_PLL1_OUT>,
<&clk IMX8MN_AUDIO_PLL2_OUT>,
<&clk IMX8MN_CLK_EXT3>;
clock-names = "ipg_clk", "ipg_clk_app",
"pll8k", "pll11k", "clkext3";
dmas = <&sdma2 24 25 0x80000000>;
dma-names = "rx";
status = "disabled";
};
sai7: sai@300b0000 { sai7: sai@300b0000 {
compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai"; compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";
reg = <0x300b0000 0x10000>; reg = <0x300b0000 0x10000>;