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Message-Id: <20230820175655.206723-3-aford173@gmail.com>
Date: Sun, 20 Aug 2023 12:56:55 -0500
From: Adam Ford <aford173@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: aford@...conembedded.com, Adam Ford <aford173@...il.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Shengjiu Wang <shengjiu.wang@....com>,
alsa-devel@...a-project.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] arm64: dts: imx8mp: Add micfil node
The i.MX8MP has a micfil controller which is used for interfacing
with a pulse density microphone. Add the node and mark it as
disabled by default.
Signed-off-by: Adam Ford <aford173@...il.com>
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 3167706d81e1..a6f5b8526698 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1479,6 +1479,27 @@ easrc: easrc@...90000 {
fsl,asrc-format = <2>;
status = "disabled";
};
+
+ micfil: audio-controller@...a0000 {
+ compatible = "fsl,imx8mp-micfil";
+ reg = <0x30ca0000 0x10000>;
+ #sound-dai-cells = <0>;
+ 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 = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_PDM_IPG>,
+ <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_PDM_ROOT>,
+ <&clk IMX8MP_AUDIO_PLL1_OUT>,
+ <&clk IMX8MP_AUDIO_PLL2_OUT>,
+ <&clk IMX8MP_CLK_EXT3>;
+ clock-names = "ipg_clk", "ipg_clk_app",
+ "pll8k", "pll11k", "clkext3";
+ dmas = <&sdma2 24 25 0x80000000>;
+ dma-names = "rx";
+ status = "disabled";
+ };
+
};
sdma3: dma-controller@...00000 {
--
2.39.2
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