diff options
| author | Adam Ford <aford173@gmail.com> | 2020-10-19 11:50:36 -0500 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-10-31 17:06:40 +0800 |
| commit | 3bd0788c43d97293a4630e2f36ab31520db16a4a (patch) | |
| tree | 8e4d6613933dc0b230881591fbbd9a84ddb7bc51 /arch/arm64/boot/dts/freescale/imx8mm.dtsi | |
| parent | fa15cec9cc319d276dc5f4b89b7f1119ea9d013d (diff) | |
arm64: dts: imx8mm: Add support for micfil
The i.MX8M Mini 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.
This patch adds the micfil node.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm.dtsi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index ee486597afc0..7a1b62f0ccc7 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -339,6 +339,25 @@ 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 IMX8MM_CLK_PDM_IPG>, + <&clk IMX8MM_CLK_PDM_ROOT>, + <&clk IMX8MM_AUDIO_PLL1_OUT>, + <&clk IMX8MM_AUDIO_PLL2_OUT>, + <&clk IMX8MM_CLK_EXT3>; + clock-names = "ipg_clk", "ipg_clk_app", + "pll8k", "pll11k", "clkext3"; + dmas = <&sdma2 24 25 0x80000000>; + dma-names = "rx"; + status = "disabled"; + }; + gpio1: gpio@30200000 { compatible = "fsl,imx8mm-gpio", "fsl,imx35-gpio"; reg = <0x30200000 0x10000>; |