diff options
| author | Adam Ford <aford173@gmail.com> | 2020-11-07 14:58:07 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-12-01 04:35:27 +0300 |
| commit | cca69ef6eba514e04717dec49a1dac2a7db221ec (patch) | |
| tree | 3814e968e5ecdc07bd65a06e7f77c8aeaf21bb54 /arch/arm64/boot | |
| parent | 9e9860069725f81a97571f565a1e93a4734b6dd7 (diff) | |
| download | linux-cca69ef6eba514e04717dec49a1dac2a7db221ec.tar.xz | |
arm64: dts: imx8mn: Add support for micfil
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>
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mn.dtsi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index bc80b0201408..2087fe84c7cf 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -318,6 +318,25 @@ 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 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 { compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai"; reg = <0x300b0000 0x10000>; |