From patchwork Sun Oct 8 14:02:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Ford X-Patchwork-Id: 730684 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 E232BC150 for ; Sun, 8 Oct 2023 14:02:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ENV4VPiD" Received: from mail-il1-x135.google.com (mail-il1-x135.google.com [IPv6:2607:f8b0:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A669FDB; Sun, 8 Oct 2023 07:02:54 -0700 (PDT) Received: by mail-il1-x135.google.com with SMTP id e9e14a558f8ab-352a27ab1aeso14614515ab.3; Sun, 08 Oct 2023 07:02:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696773774; x=1697378574; 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=xTC0xEmiJQH7h7RgVwIyYpryKqxuFMiJlFaccvcwhZQ=; b=ENV4VPiDBvLRzzsLHM2PZwTTLRSPlG2becQIU9xNVwZyEeAnJW2rnuw6vPfYI8YAW4 BJwxZuA8CxJqS+5fr4+Mxc0bHvQFtsFMsH9CSSNAv4j/ljSP54MNT5cN7oq6M0qPdcJQ Leq6rxtvkibHU0jG6VEPm6OUJjGfdoFcfg7oRnKB1tOtCceR6brtyIS1HtxcDy1A6C8l 7P3Jh6pqtpBWnhG4mL0lBL7dXB3YWIY6jVcyCew2p6BoN5mP4346yfsp6f/mdMxi5evs uucpJccwmKWOXNPJw7OziMHsO0MNEy636qHXGhnKE0GXV24nGLmrb7BFFRFFsy16WtzJ E7dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696773774; x=1697378574; 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=xTC0xEmiJQH7h7RgVwIyYpryKqxuFMiJlFaccvcwhZQ=; b=GDhZbeegVUDfjGiYG3gMybN5xnPo3zuYNxDaHYFhL6uGIt5anBoBiGK8OvnKsfxPLy BFrZxRjO8zL+HqsusgY5yi/KDFcXdAZ/Ssyk5ipb9PjIILxlw7zgLRIqs/A8itA75nd5 Kv0Y5PjQcIjaasuTphRISeR/VBsjHdns/PSnL7YT2xvLUEeIXi2TYeOWQw/zuqJwXx/i G6JDtFd4qPeSLvf63nnnD2ETXmhYjtFTJSxMJyoG2uWSI+z7c2TpJBv84LmCbQ6nUbXB +BU/cfYUNRypx1/HYhBWl1qDaZ7+xI8NfRVRIjcPbA7yzUnI/cS75s31dRKnyKfFSYae 0ycg== X-Gm-Message-State: AOJu0YyT5qbJ1LXKeZNpPfjJ+ahFTOiSXQfgtmoCAQCRqBSS607FE/Hx yhgWOJVP18vU/n7qsgEWKlQ= X-Google-Smtp-Source: AGHT+IEzCYpXETF0AL0AJMaTo99wIyDMfeggA89aScfylY2EDiRMqv7flqKYaaYtyItJUrON4lRM4A== X-Received: by 2002:a05:6e02:2189:b0:34f:35e8:5098 with SMTP id j9-20020a056e02218900b0034f35e85098mr16568780ila.20.1696773773923; Sun, 08 Oct 2023 07:02:53 -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.86.2023.10.08.07.02.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Oct 2023 07:02:53 -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 3/4] arm64: dts: imx8mn-beacon: Add DMIC support Date: Sun, 8 Oct 2023 09:02:37 -0500 Message-Id: <20231008140239.6601-3-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 --- V3: Fix missing tripple-hyphen to separate notes from git commit V2: Rebase and remove sound-dai-cells since it's been moved to the SoC. Reviewed-by: Fabio Estevam diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi index 16761975f56e..20018ee2c803 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi @@ -4,6 +4,12 @@ */ / { + dmic_codec: dmic-codec { + compatible = "dmic-codec"; + num-channels = <1>; + #sound-dai-cells = <0>; + }; + leds { compatible = "gpio-leds"; @@ -74,6 +80,22 @@ reg_usb_otg_vbus: regulator-usb { 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"; @@ -221,6 +243,15 @@ mipi_csi_in: endpoint { }; }; +&micfil { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pdm>; + assigned-clocks = <&clk IMX8MN_CLK_PDM>; + assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>; + assigned-clock-rates = <49152000>; + status = "okay"; +}; + &sai3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai3>; @@ -311,6 +342,13 @@ MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x19 >; }; + pinctrl_pdm: pdmgrp { + fsl,pins = < + MX8MN_IOMUXC_SAI5_RXC_PDM_CLK 0xd6 + MX8MN_IOMUXC_SAI5_RXD0_PDM_BIT_STREAM0 0xd6 + >; + }; + pinctrl_reg_usb_otg: reg-otggrp { fsl,pins = < MX8MN_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19