From patchwork Thu Dec 2 16:23:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 519933 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 E319EC433FE for ; Thu, 2 Dec 2021 16:25:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359475AbhLBQ2o (ORCPT ); Thu, 2 Dec 2021 11:28:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359456AbhLBQ2l (ORCPT ); Thu, 2 Dec 2021 11:28:41 -0500 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 963CFC06174A; Thu, 2 Dec 2021 08:25:18 -0800 (PST) Received: by mail-lj1-x22d.google.com with SMTP id i63so764279lji.3; Thu, 02 Dec 2021 08:25:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=F/X2rHEQd+Ucbeu0Y4aO3xdVUiQaaeBj1J30EhihxKs=; b=ZsHfNm2eziKXdlcYeMkKVQW9UerPtxFIVDlvToYifngdlP1woCI80BMNCQUeC6hVY9 V9leCLPa1M1y5lyrfxg00COAo8GmEY+WralF/qN+TlCWScfNaGmY1CQN+DeAi0mT/Ab3 iFmFPiA1waoDVT8jUCkA3MTM8xuIK3kEjYXv5bGZbOJy/lv8iytjOIv+7nEx67T/8N56 QYMhXPzzzPBxXth0EExBmnRExcJUqWWGxvCg1aC9Acu8+54TCv8p7PyYHU6oWSnAPfr4 dz02Xb/BZLsUPYz2SYyjgUkZOVA4iGU0M0JUrea3p3XHWqnoNxfml03NaKIq8OLlrneX Ej6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=F/X2rHEQd+Ucbeu0Y4aO3xdVUiQaaeBj1J30EhihxKs=; b=7Ou2gdyqb1ODSiMHS5y+SUlwK6a2g7qcMdNpiVgfDJFAEtUpub+UU/pGYhBVXZ/PgG PMd7e3xhwALnnE5T0WUfY5zYn/+IWQm/XWfLD3SinVH1lfYql31qOHvaCUezyFQX5TI0 f2j6/aPkv4YEUBg67u8dp/ifE0mMQcdC1R8eQhIeQrDMEUncjg9ezEYK+TtAuRfO1PdD n/NmdKSfDZ6dVNJXRddMR8AK5Vq2wzcdK+I2MxbIX1bssmP6UXUvobgduXviYT49KyAE xqN8UvJl9jlOThdCpB5Djg8WLxM4AVLd9e2iFuc95vLHzSK7SdcUsCqp1YDmoUEgmsIL tPcg== X-Gm-Message-State: AOAM530qpXA0ZlDFQRHPyYe0rGtaK4pg3s06cktgVZNu5F42Djh0aH4m Yu5zTlqZl1hqk+R69llomg8= X-Google-Smtp-Source: ABdhPJxjdeBBS4sFNL1pD6ub7cBQRrVaRXq2eSeIC5rlJ60PdQOVhO51JA7D4CnqBxl5gITOf6hkUA== X-Received: by 2002:a05:651c:1546:: with SMTP id y6mr12305886ljp.76.1638462316891; Thu, 02 Dec 2021 08:25:16 -0800 (PST) Received: from localhost.localdomain (94-29-46-111.dynamic.spd-mgts.ru. [94.29.46.111]) by smtp.gmail.com with ESMTPSA id d18sm36806lfl.30.2021.12.02.08.25.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Dec 2021 08:25:16 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Takashi Iwai , Jaroslav Kysela , Liam Girdwood , Agneli , Rob Herring Cc: linux-tegra@vger.kernel.org, Arnd Bergmann , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 01/20] ASoC: dt-bindings: Add binding for Tegra20 S/PDIF Date: Thu, 2 Dec 2021 19:23:22 +0300 Message-Id: <20211202162341.1791-2-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211202162341.1791-1-digetx@gmail.com> References: <20211202162341.1791-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add device-tree binding for Tegra20 S/PDIF controller. Reviewed-by: Rob Herring Signed-off-by: Dmitry Osipenko --- .../bindings/sound/nvidia,tegra20-spdif.yaml | 85 +++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra20-spdif.yaml diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra20-spdif.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra20-spdif.yaml new file mode 100644 index 000000000000..60a368a132b8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra20-spdif.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nvidia,tegra20-spdif.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra20 S/PDIF Controller + +description: | + The S/PDIF controller supports both input and output in serial audio + digital interface format. The input controller can digitally recover + a clock from the received stream. The S/PDIF controller is also used + to generate the embedded audio for HDMI output channel. + +maintainers: + - Thierry Reding + - Jon Hunter + +properties: + compatible: + const: nvidia,tegra20-spdif + + reg: + maxItems: 1 + + resets: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + + clock-names: + items: + - const: out + - const: in + + dmas: + minItems: 2 + + dma-names: + items: + - const: rx + - const: tx + + "#sound-dai-cells": + const: 0 + + nvidia,fixed-parent-rate: + description: | + Specifies whether board prefers parent clock to stay at a fixed rate. + This allows multiple Tegra20 audio components work simultaneously by + limiting number of supportable audio rates. + type: boolean + +required: + - compatible + - reg + - resets + - interrupts + - clocks + - clock-names + - dmas + - dma-names + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + spdif@70002400 { + compatible = "nvidia,tegra20-spdif"; + reg = <0x70002400 0x200>; + interrupts = <77>; + clocks = <&clk 99>, <&clk 98>; + clock-names = "out", "in"; + resets = <&rst 10>; + dmas = <&apbdma 3>, <&apbdma 3>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + }; + +...