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Mon, 19 Oct 2020 09:50:50 -0700 (PDT) Received: from aford-IdeaCentre-A730.lan ([2601:448:8400:9e8:75c9:416d:1d67:486f]) by smtp.gmail.com with ESMTPSA id p17sm212839ilh.34.2020.10.19.09.50.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Oct 2020 09:50:49 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Subject: [PATCH V2 1/3] arm64: dts: imx8mm: Add support for micfil Date: Mon, 19 Oct 2020 11:50:36 -0500 Message-Id: <20201019165038.274164-1-aford173@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201019_125054_084934_F7504782 X-CRM114-Status: GOOD ( 13.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Fabio Estevam , Will Deacon , Adam Ford , Sascha Hauer , aford@beaconembedded.com, linux-kernel@vger.kernel.org, Rob Herring , NXP Linux Team , Pengutronix Kernel Team , Catalin Marinas , Shawn Guo Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Krzysztof Kozlowski --- V2: No change diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index b83f400def8b..fad1f9cdb241 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: audio-controller@30080000 { + compatible = "fsl,imx8mm-micfil"; + reg = <0x30080000 0x10000>; + interrupts = , + , + , + ; + 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>;