[V2,1/3] arm64: dts: imx8mm: Add support for micfil
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Message ID 20201019165038.274164-1-aford173@gmail.com
State New, archived
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  • [V2,1/3] arm64: dts: imx8mm: Add support for micfil
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Commit Message

Adam Ford Oct. 19, 2020, 4:50 p.m. UTC
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>
---
V2:  No change

Comments

Krzysztof Kozlowski Oct. 19, 2020, 5:53 p.m. UTC | #1
On Mon, Oct 19, 2020 at 11:50:36AM -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 <aford173@gmail.com>
> ---
> V2:  No change
> 

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof
Shawn Guo Oct. 31, 2020, 9:08 a.m. UTC | #2
On Mon, Oct 19, 2020 at 11:50:36AM -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 <aford173@gmail.com>

Applied all, thanks.

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index b83f400def8b..fad1f9cdb241 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: 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>;