From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FB13C83F32 for ; Thu, 31 Aug 2023 11:51:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237368AbjHaLvs (ORCPT ); Thu, 31 Aug 2023 07:51:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231241AbjHaLvs (ORCPT ); Thu, 31 Aug 2023 07:51:48 -0400 Received: from mail-il1-x134.google.com (mail-il1-x134.google.com [IPv6:2607:f8b0:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6316EE40; Thu, 31 Aug 2023 04:51:45 -0700 (PDT) Received: by mail-il1-x134.google.com with SMTP id e9e14a558f8ab-34baf19955cso2532165ab.2; Thu, 31 Aug 2023 04:51:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693482705; x=1694087505; 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=OfUzkZpC6rdjKYz9PfqxdgDOVImLXmjN2Ob+UFv9fCI=; b=lnP80rYC4furarMha7mKtWVjOOicTgzYZfWWx0q4u5CpmLbY6ZrwbTe5FVyBy3xkmQ kF9AM0HreJEvfqXKft2xAIZA1aF7BE9eiLwaQPcZCiC0YnWEBRbXPH9jAsCjrptfWfEN Qwr7a9U8FMxZf874qv1y09jv9xqk6jxX6/3vhdqYgLNJ6fZzv/oq3vWCcbhjJeD6owKh sk4PLuzTunJH2MaZH9JDFbij4a/azmZ40g5Z4ArPrmuppiR5aBJFjFfLgrLUhw3Famnu nvuGWAJXag0etVrezNJoMnq586hUeQF6Z5otLIU+nyYz8NuXtE22WX3vShL06GkAGwyU B0Ug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693482705; x=1694087505; 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=OfUzkZpC6rdjKYz9PfqxdgDOVImLXmjN2Ob+UFv9fCI=; b=eQ2qQ4C0pyehrFBnHVH+jtk++g15SlCrgL//lWAqIXxFdbX4hO/ojWnxMzj0ZRCmvX 1XSBNF405ISOHnxHfD/IQurzfC82NCUkUA2vsd6cnBokcmGlWjZg801Rx7ACsyBU6c12 tNHimxmGRPhxrZ0745Pi/EgtwwsAwQKgNdVGKG3ChVGQSARBEJyFboQ5yULRpkZlS8K3 3h/S7yRqIjRyKhDA7Q5KWWLrF18hiyEbIHnF2KzIvozy0MAhNC2xwRrAIqbxs4v9jqCg IBI89iKn6gxdfc+S58ERicaGBw3IF6WfR089tA9Pa+uE+l5rGr3e+dPxjVL+ibwxA0wu YYFQ== X-Gm-Message-State: AOJu0YxdV6Mjxt3TYgtcyRTZ23b+vIyhn5zL51TEdtJ5IdIs5UOcYatH JlcodIJ1D6FO8lARwhAgR60= X-Google-Smtp-Source: AGHT+IFeFDeXFOoBQ84rxQO9XbuweuUTlmCmC4f45FCzPK0ABR8WvTiRSiDkUN3Q3WXEdPhG9P8MRA== X-Received: by 2002:a92:4b08:0:b0:34c:a9dd:5fe3 with SMTP id m8-20020a924b08000000b0034ca9dd5fe3mr5415080ilg.23.1693482704623; Thu, 31 Aug 2023 04:51:44 -0700 (PDT) Received: from aford-B741.lan ([2601:447:d001:897f:2a0f:e1d5:3688:f2b8]) by smtp.gmail.com with ESMTPSA id o28-20020a02cc3c000000b0042b1d495aecsm353529jap.123.2023.08.31.04.51.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Aug 2023 04:51:44 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] arm64: dts: imx8mm-beacon: Add DMIC support Date: Thu, 31 Aug 2023 06:51:26 -0500 Message-Id: <20230831115128.254226-2-aford173@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230831115128.254226-1-aford173@gmail.com> References: <20230831115128.254226-1-aford173@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi index 313e93663d6f..d0dd4c81a557 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 +251,16 @@ 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"; + #sound-dai-cells = <0>; +}; + &mipi_csi { status = "okay"; ports { @@ -365,6 +398,13 @@ 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 -- 2.39.2