From: Adam Ford <aford173@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Adam Ford <aford173@gmail.com>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 4/6] arm64: dts: imx8mm-beacon: Enable Digitial Microphone
Date: Sun, 17 Jul 2022 13:09:58 -0500 [thread overview]
Message-ID: <20220717181000.1186373-5-aford173@gmail.com> (raw)
In-Reply-To: <20220717181000.1186373-1-aford173@gmail.com>
There is a PDM microphone port on the baseboard which is connected to the
micfil controller. Create a new sound card to support this interface.
Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
index 03266bd90a06..16444954f873 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
@@ -98,7 +98,7 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
enable-active-high;
};
- sound {
+ sound-codec {
compatible = "fsl,imx-audio-wm8962";
model = "wm8962-audio";
audio-cpu = <&sai3>;
@@ -111,6 +111,18 @@ sound {
"AMIC", "MICBIAS",
"IN3R", "AMIC";
};
+
+ sound-micfil {
+ compatible = "fsl,imx-audio-card";
+ model = "imx-audio-micfil";
+ pri-dai-link {
+ link-name = "micfil hifi";
+ format = "i2s";
+ cpu {
+ sound-dai = <&micfil>;
+ };
+ };
+ };
};
&csi {
@@ -215,6 +227,16 @@ pca6416_1: gpio@21 {
};
};
+&micfil {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pdm>;
+ assigned-clocks = <&clk IMX8MM_CLK_PDM>;
+ assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <196608000>;
+ #sound-dai-cells = <0>;
+ status = "okay";
+};
+
&mipi_csi {
status = "okay";
ports {
@@ -354,6 +376,13 @@ MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x19
>;
};
+ pinctrl_pdm: pdmgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI5_RXC_PDM_CLK 0xd6
+ MX8MM_IOMUXC_SAI5_RXD0_PDM_DATA0 0xd6
+ >;
+ };
+
pinctrl_reg_usb_otg1: usbotg1grp {
fsl,pins = <
MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19
--
2.34.1
next prev parent reply other threads:[~2022-07-17 18:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-17 18:09 [PATCH] arm64: dts: imx8mm-beacon: Enable Digitial Microphone Adam Ford
2022-07-17 18:09 ` [PATCH 1/6] arm64: dts: imx8mn-beacon: " Adam Ford
2022-07-19 5:57 ` Ahmad Fatoum
2022-07-19 19:17 ` Adam Ford
2022-07-17 18:09 ` [PATCH 2/6] arm64: dts: imx8mn-beacon: Enable SPDIF Sound card Adam Ford
2022-07-17 18:09 ` [PATCH 3/6] arm64: dts: Associate easrc to the audio CODEC Adam Ford
2022-07-17 18:09 ` Adam Ford [this message]
2022-07-18 5:37 ` [PATCH 4/6] arm64: dts: imx8mm-beacon: Enable Digitial Microphone Sascha Hauer
2022-07-18 15:44 ` Adam Ford
2023-03-02 13:28 ` Adam Ford
2022-07-17 18:09 ` [PATCH 5/6] arm64: dts: imx8mm-beacon: Enable SPDIF Sound card Adam Ford
2022-07-17 18:10 ` [PATCH 6/6] arm64: defconfig: Enable imx-audio-card Adam Ford
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