From: Sascha Hauer <s.hauer@pengutronix.de>
To: Adam Ford <aford173@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Shawn Guo <shawnguo@kernel.org>,
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: Re: [PATCH 4/6] arm64: dts: imx8mm-beacon: Enable Digitial Microphone
Date: Mon, 18 Jul 2022 07:37:21 +0200 [thread overview]
Message-ID: <20220718053721.GB7333@pengutronix.de> (raw)
In-Reply-To: <20220717181000.1186373-5-aford173@gmail.com>
Hi Adam,
On Sun, Jul 17, 2022 at 01:09:58PM -0500, Adam Ford wrote:
> 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>;
> + };
> + };
> + };
Note the micfil works well with the simple-audio-card driver which might
be an alternative here.
Sascha
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next prev parent reply other threads:[~2022-07-18 5:38 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 ` [PATCH 4/6] arm64: dts: imx8mm-beacon: Enable Digitial Microphone Adam Ford
2022-07-18 5:37 ` Sascha Hauer [this message]
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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