From: Shawn Guo <shawnguo@kernel.org>
To: Adam Ford <aford173@gmail.com>
Cc: devicetree@vger.kernel.org, Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
aford@beaconemedded.com, linux-kernel@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: imx8mm: Add support for micfil
Date: Wed, 20 May 2020 09:03:48 +0800 [thread overview]
Message-ID: <20200520010348.GE11739@dragon> (raw)
In-Reply-To: <20200502125949.194032-2-aford173@gmail.com>
On Sat, May 02, 2020 at 07:59:48AM -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>
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index c63685ae80ee..d46e727fc362 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: micfil@30080000 {
Find a generic node name, audio-controller maybe?
Shawn
> + 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>;
> --
> 2.25.1
>
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next prev parent reply other threads:[~2020-05-20 1:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-02 12:59 [PATCH] arm64: defconfig: Enable some audio drivers on i.MX8M Mini Adam Ford
2020-05-02 12:59 ` [PATCH] arm64: dts: imx8mm: Add support for micfil Adam Ford
2020-05-20 1:03 ` Shawn Guo [this message]
2020-10-28 12:10 ` Adam Ford
2020-10-29 19:24 ` Krzysztof Kozlowski
2020-05-20 1:02 ` [PATCH] arm64: defconfig: Enable some audio drivers on i.MX8M Mini Shawn Guo
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