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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, May 02, 2020 at 07:59:48AM -0500, Adam Ford wrote: > 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 > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi > index c63685ae80ee..d46e727fc362 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi > @@ -339,6 +339,25 @@ sai6: sai@30060000 { > status = "disabled"; > }; > > + micfil: micfil@30080000 { Find a generic node name, audio-controller maybe? Shawn > + compatible = "fsl,imx8mm-micfil"; > + reg = <0x30080000 0x10000>; > + interrupts = , > + , > + , > + ; > + 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>; > -- > 2.25.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel