From patchwork Sun Oct 8 14:02:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Ford X-Patchwork-Id: 731644 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D3B2C8F7 for ; Sun, 8 Oct 2023 14:02:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Fw56lyJ4" Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30C71CF; Sun, 8 Oct 2023 07:02:53 -0700 (PDT) Received: by mail-il1-x132.google.com with SMTP id e9e14a558f8ab-3526c9c401aso13220585ab.1; Sun, 08 Oct 2023 07:02:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696773772; x=1697378572; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KuvXt9sFvOyA/pPS+UN9EsIG1PlSSdh931kGA4/DRos=; b=Fw56lyJ4tLD5dvnyatxlJrY87V5QogjRSXlG1efSd3g+zIzvAT9AoSEgDlExIr1V6x X1UXYucxU/pgrwBZ/LxMGaxb235fNyVk6q5eTRu9k4Y2eyUyPrXV4ZVV6Vg2XZ4AET0J vd9pGlmvaVY0+LlUrw3cwKfD2lFSjgxatSy9p0Xdm5gf9KfbKg11K5dxrDXhxuSOEWKD gZ4eEVDKLzHK5z2JlkHQWd5uaV2s110Xt1b27tiZydVqF+gfLSdGv7MvFMwPjNWaxhi9 tITfBt1PZCQvpNEM+Ri8bxkbrudm4OghNX9JoKZMOdlP0fpRRDF7aJa1SU0eGbmcfI8g m2pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696773772; x=1697378572; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KuvXt9sFvOyA/pPS+UN9EsIG1PlSSdh931kGA4/DRos=; b=MD+LeXTAicEEv8PtQ9UMlmkUoz4C9gmfxC2xIzeGCNXXB0Twqt/QpTcJzlbDKVwteF viSCpVtM7WRX+tcVDxpkHTDS/ZLhWmZg+wu9IkIBb9RreAKOBie3VnUwxMfOkEY9qP6X SoPxDrV+h0zJNGubk/t07/xFytzpWx0+YT+BGkjCm4ZnN1LtrevCH6nf6tlk2rc6Dk8D kjD9x0TS6QhWtpUVSLdmfEmeyEbYKcJidQvqjHReQ4ZAS5oPbhY09gYLQVa8gFxNVmhj LzkSIOZvbjFwNbuZ4CZeq2phNADLPLe+El4EqjyeIdIHCD+V1TGKkY/jetC2buj8co9v qQtw== X-Gm-Message-State: AOJu0YzYIz0zVe1B1hdh20WFXIDZM3VaiJFJeSEyoSARmQ6LIDyc1H/G n26QcVhUGd6m6dehmVwyncQ= X-Google-Smtp-Source: AGHT+IHz3JglSvRK/HJS7Ms2Uc88OKdv4C6JDCb8MC7Zk4TJZP7o74Arw2OUfnGXngrwh/MdemNIOQ== X-Received: by 2002:a05:6e02:2192:b0:352:6251:2366 with SMTP id j18-20020a056e02219200b0035262512366mr8108291ila.5.1696773772428; Sun, 08 Oct 2023 07:02:52 -0700 (PDT) Received: from aford-System-Version.lan ([2601:447:d002:5be:a2fe:632a:2360:50d3]) by smtp.gmail.com with ESMTPSA id 2-20020a921302000000b0035134f1a240sm2272901ilt.86.2023.10.08.07.02.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Oct 2023 07:02:51 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Adam Ford , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , NXP Linux Team , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 2/4] arm64: dts: imx8mm-beacon: Add DMIC support Date: Sun, 8 Oct 2023 09:02:36 -0500 Message-Id: <20231008140239.6601-2-aford173@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231008140239.6601-1-aford173@gmail.com> References: <20231008140239.6601-1-aford173@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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 Reviewed-by: Fabio Estevam --- V3: No Change V2: Rebase and remove sound-dai-cells since it's been moved to the SoC. diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi index 313e93663d6f..6086dae2e5fb 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi @@ -6,6 +6,13 @@ #include / { + + dmic_codec: dmic-codec { + compatible = "dmic-codec"; + num-channels = <1>; + #sound-dai-cells = <0>; + }; + leds { compatible = "gpio-leds"; @@ -98,6 +105,22 @@ reg_usdhc2_vmmc: regulator-usdhc2 { 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"; @@ -228,6 +251,15 @@ 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 = <49152000>; + status = "okay"; +}; + &mipi_csi { status = "okay"; ports { @@ -365,6 +397,13 @@ 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