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From: Adam Ford <aford173@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: aford@beaconembedded.com, Adam Ford <aford173@gmail.com>,
	Fabio Estevam <festevam@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH V3 3/4] arm64: dts: imx8mn-beacon: Add DMIC support
Date: Sun,  8 Oct 2023 09:02:37 -0500	[thread overview]
Message-ID: <20231008140239.6601-3-aford173@gmail.com> (raw)
In-Reply-To: <20231008140239.6601-1-aford173@gmail.com>

The baseboard has a connector for a pulse density microphone.
This is connected via the micfil interface and uses the DMIC
audio codec with the simple-audio-card.

Signed-off-by: Adam Ford <aford173@gmail.com>
---
V3:  Fix missing tripple-hyphen to separate notes from git commit
V2:  Rebase and remove sound-dai-cells since it's been moved to the SoC.
Reviewed-by: Fabio Estevam <festevam@gmail.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
index 16761975f56e..20018ee2c803 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
@@ -4,6 +4,12 @@
  */
 
 / {
+	dmic_codec: dmic-codec {
+		compatible = "dmic-codec";
+		num-channels = <1>;
+		#sound-dai-cells = <0>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -74,6 +80,22 @@ reg_usb_otg_vbus: regulator-usb {
 		enable-active-high;
 	};
 
+	sound-dmic {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "dmic";
+		simple-audio-card,format = "pdm";
+		simple-audio-card,bitclock-master = <&dailink_master>;
+		simple-audio-card,frame-master = <&dailink_master>;
+
+		dailink_master: simple-audio-card,cpu {
+			sound-dai = <&micfil>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&dmic_codec>;
+		};
+	};
+
 	sound-wm8962 {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "wm8962";
@@ -221,6 +243,15 @@ mipi_csi_in: endpoint {
 	};
 };
 
+&micfil {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pdm>;
+	assigned-clocks = <&clk IMX8MN_CLK_PDM>;
+	assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
+	assigned-clock-rates = <49152000>;
+	status = "okay";
+};
+
 &sai3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai3>;
@@ -311,6 +342,13 @@ MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27		0x19
 		>;
 	};
 
+	pinctrl_pdm: pdmgrp {
+		fsl,pins = <
+			MX8MN_IOMUXC_SAI5_RXC_PDM_CLK	0xd6
+			MX8MN_IOMUXC_SAI5_RXD0_PDM_BIT_STREAM0	0xd6
+		>;
+	};
+
 	pinctrl_reg_usb_otg: reg-otggrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_SAI3_RXC_GPIO4_IO29     0x19
-- 
2.40.1


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Adam Ford <aford173@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: aford@beaconembedded.com, Adam Ford <aford173@gmail.com>,
	Fabio Estevam <festevam@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH V3 3/4] arm64: dts: imx8mn-beacon: Add DMIC support
Date: Sun,  8 Oct 2023 09:02:37 -0500	[thread overview]
Message-ID: <20231008140239.6601-3-aford173@gmail.com> (raw)
In-Reply-To: <20231008140239.6601-1-aford173@gmail.com>

The baseboard has a connector for a pulse density microphone.
This is connected via the micfil interface and uses the DMIC
audio codec with the simple-audio-card.

Signed-off-by: Adam Ford <aford173@gmail.com>
---
V3:  Fix missing tripple-hyphen to separate notes from git commit
V2:  Rebase and remove sound-dai-cells since it's been moved to the SoC.
Reviewed-by: Fabio Estevam <festevam@gmail.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
index 16761975f56e..20018ee2c803 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
@@ -4,6 +4,12 @@
  */
 
 / {
+	dmic_codec: dmic-codec {
+		compatible = "dmic-codec";
+		num-channels = <1>;
+		#sound-dai-cells = <0>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -74,6 +80,22 @@ reg_usb_otg_vbus: regulator-usb {
 		enable-active-high;
 	};
 
+	sound-dmic {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "dmic";
+		simple-audio-card,format = "pdm";
+		simple-audio-card,bitclock-master = <&dailink_master>;
+		simple-audio-card,frame-master = <&dailink_master>;
+
+		dailink_master: simple-audio-card,cpu {
+			sound-dai = <&micfil>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&dmic_codec>;
+		};
+	};
+
 	sound-wm8962 {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "wm8962";
@@ -221,6 +243,15 @@ mipi_csi_in: endpoint {
 	};
 };
 
+&micfil {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pdm>;
+	assigned-clocks = <&clk IMX8MN_CLK_PDM>;
+	assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
+	assigned-clock-rates = <49152000>;
+	status = "okay";
+};
+
 &sai3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai3>;
@@ -311,6 +342,13 @@ MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27		0x19
 		>;
 	};
 
+	pinctrl_pdm: pdmgrp {
+		fsl,pins = <
+			MX8MN_IOMUXC_SAI5_RXC_PDM_CLK	0xd6
+			MX8MN_IOMUXC_SAI5_RXD0_PDM_BIT_STREAM0	0xd6
+		>;
+	};
+
 	pinctrl_reg_usb_otg: reg-otggrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_SAI3_RXC_GPIO4_IO29     0x19
-- 
2.40.1


  parent reply	other threads:[~2023-10-08 14:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-08 14:02 [PATCH V3 1/4] arm64: dts: imx8mm-beacon: Migrate sound card to simple-audio-card Adam Ford
2023-10-08 14:02 ` Adam Ford
2023-10-08 14:02 ` [PATCH V3 2/4] arm64: dts: imx8mm-beacon: Add DMIC support Adam Ford
2023-10-08 14:02   ` Adam Ford
2023-10-08 14:02 ` Adam Ford [this message]
2023-10-08 14:02   ` [PATCH V3 3/4] arm64: dts: imx8mn-beacon: " Adam Ford
2023-10-08 16:00   ` Fabio Estevam
2023-10-08 16:00     ` Fabio Estevam
2023-10-08 14:02 ` [PATCH V3 4/4] arm64: dts: imx8mp-beacon: " Adam Ford
2023-10-08 14:02   ` Adam Ford
2023-10-10  2:41 ` [PATCH V3 1/4] arm64: dts: imx8mm-beacon: Migrate sound card to simple-audio-card Shawn Guo
2023-10-10  2:41   ` Shawn Guo

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