From patchwork Mon Apr 10 22:29:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alexander Sverdlin X-Patchwork-Id: 672104 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 6F91FC77B61 for ; Mon, 10 Apr 2023 22:30:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229571AbjDJWaH (ORCPT ); Mon, 10 Apr 2023 18:30:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229536AbjDJWaG (ORCPT ); Mon, 10 Apr 2023 18:30:06 -0400 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D3F0E60; Mon, 10 Apr 2023 15:30:05 -0700 (PDT) Received: by mail-wm1-x32d.google.com with SMTP id n19-20020a05600c501300b003f064936c3eso8379497wmr.0; Mon, 10 Apr 2023 15:30:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1681165803; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=0D4LsfAW6191QwNdK4ta66PY+hl1RuuGNyGsehh1bKM=; b=RaOH+5cpTaSGaPQ96/dB25hRT8d8reD+ky6sQeH+7WLElvuuAeDsMN96MQEUehm+nl JquppEasMJwoOBkDPoD+jS09xZgi+pR8KVWYco2JDjdqDzZOZ93TiCJ8oo98L/nZ6R+E zj5u4+eHMwtpZL+YR6OACcLwnHOwpuf4Al+WRJfyx3ZdD7DaDvJAU91h98FwV0mXXAgI w2QgNZfU9hwTD/6SiqVidbBIy+Etb3MgesVHNdhS7npny42SK2rFfCG1AfHMd0CAymgP UjQcVQjB7qKHjqkzmU9MwETrEGr4DDTDe1o84HdKOz97QWclHo1J3suc+iSKe/6YxGtm SGEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681165803; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=0D4LsfAW6191QwNdK4ta66PY+hl1RuuGNyGsehh1bKM=; b=KMT5+yYQReVqlrDPZLRBA9VGw4vXGWhQ7kHsHE7FPXCsj+BqRmRYiXYkuLQc6a+Grx gFoUxHh9vx96UdpK/ej32uDTnPNK5pyMOX02pgDnqjyQY4PpoT+4U2cYgXIHkxSrFIhC O7Svxecl6Z/NnbhJzZisYalqAtwlOShtGhVThv8C/0oLbcgen4dT+Nz9Hjr70GsT29lK Srom75Dntmh9o0Ywz+lOlOCeaHaF08Dc+QR1VnWRMjWflU7Fn/oNM/bmmhrLvDkYBQ7h Ua8sc5uQRzXZyxUIZoRpCYaK91E1vcHwkjFgHgrKPm/YWvs0AL2HZBXL9DUgJ6zFasBT cP5A== X-Gm-Message-State: AAQBX9cjB8cQAFtmo7d2L0U5s8mfZgM4/hYE5WaIVdtTIJ0SJVMKKEMN zH2i0YjXoyF/KMefsxocpYZc/99RbmzjAw== X-Google-Smtp-Source: AKy350ZNlm7b4LIjyU0q14EYTktx6/KUiaIJFJCINddBIpuiCQNGe64Jzpa+jWPi9kCKl0LeTthkGw== X-Received: by 2002:a05:600c:c4:b0:3ed:f5d4:3bff with SMTP id u4-20020a05600c00c400b003edf5d43bffmr8570805wmm.38.1681165803300; Mon, 10 Apr 2023 15:30:03 -0700 (PDT) Received: from localhost ([2a02:1210:8629:800:82ee:73ff:feb8:99e3]) by smtp.gmail.com with UTF8SMTPSA id n4-20020a5d51c4000000b002efb55de21dsm8613137wrv.103.2023.04.10.15.30.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 10 Apr 2023 15:30:02 -0700 (PDT) From: Alexander Sverdlin To: devicetree@vger.kernel.org Cc: Alexander Sverdlin , Hartley Sweeten , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Nikita Shubin Subject: [PATCH v2 1/2] dt-bindings: sound: ep93xx: Add I2S description Date: Tue, 11 Apr 2023 00:29:57 +0200 Message-Id: <20230410222958.2321398-1-alexander.sverdlin@gmail.com> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add device tree bindings for Cirrus Logic EP93xx internal SoCs' I2S controller. Signed-off-by: Alexander Sverdlin --- Changelog: v2: - Incorporated most of the suggestions from Krzysztof Kozlowski [1] - Dropped AC97 (deleted from the tree) [1]. https://lore.kernel.org/lkml/46d5b6af-23e1-4178-83bc-b4a435b1426e@linaro.org/ .../bindings/sound/cirrus,ep9301-i2s.yaml | 66 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml diff --git a/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml b/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml new file mode 100644 index 000000000000..9c01310a5445 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus EP93xx I2S Controller + +description: | + The I2S controller is used to stream serial audio data between the external + I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left- + and Right-Justified DSP formats. + +maintainers: + - Alexander Sverdlin + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: cirrus,ep9301-i2s + + '#sound-dai-cells': + const: 0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + items: + - const: mclk + - const: sclk + - const: lrclk + +required: + - compatible + - '#sound-dai-cells' + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + i2s: i2s@80820000 { + compatible = "cirrus,ep9301-i2s"; + #sound-dai-cells = <0>; + reg = <0x80820000 0x100>; + interrupt-parent = <&vic1>; + interrupts = <28>; + clocks = <&syscon 29>, + <&syscon 30>, + <&syscon 31>; + clock-names = "mclk", "sclk", "lrclk"; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 4485969f58f1..da829bedb89b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2072,6 +2072,7 @@ M: Alexander Sverdlin L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml +F: Documentation/devicetree/bindings/sound/cirrus,ep9301-* F: arch/arm/boot/compressed/misc-ep93xx.h F: arch/arm/mach-ep93xx/ F: drivers/iio/adc/ep93xx_adc.c