From patchwork Sat Dec 4 14:37:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 520654 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 02BAAC433EF for ; Sat, 4 Dec 2021 14:37:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239362AbhLDOlE (ORCPT ); Sat, 4 Dec 2021 09:41:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233795AbhLDOlB (ORCPT ); Sat, 4 Dec 2021 09:41:01 -0500 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D2F5C061751; Sat, 4 Dec 2021 06:37:35 -0800 (PST) Received: by mail-lf1-x134.google.com with SMTP id l22so13781197lfg.7; Sat, 04 Dec 2021 06:37:35 -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=TqYniy4pFRsXD92ySrc+ZxB/2v4IriL3y3/YUqS2PUE=; b=RNaLxgDCs6qXg/TwLlIXZzcLh4LJees5fE8xDEIukdb/OT7zBkOn507I9wRfW4w4xa niemSTpkq4n0nexvCghsEPDaa2xSzvEpS/WsEmx4EV03PZVyKUZtZlS7Cti2Kn+4gMYF J708JdarR4uxOSBnidMRRSiy2W6zsI1gXcaV3YFCIDJElDuSQASMDSwzTEERDBY6z/GJ Tu5cJSkY8ZKkzpgGoDlyMSgeZiQ9HNZLslB40hhiwbDCqsRMTPi2uMzO0H3DlBuUQz5i izOVMOtEV1I3PCwg+dtNL+UPSlH1eXaeVBZ7mKfa2tjeCrhdqFWl6mFiJFpGYAtZigR4 SdmA== 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=TqYniy4pFRsXD92ySrc+ZxB/2v4IriL3y3/YUqS2PUE=; b=hDdYr/5f9u7DsEXXjOn7U4x4zrBcadg5So99ugoFqU6rZqXSlXlLtZnUsBn6be/Pwi EM3pHGMFEsPHZhtAsxGrRB/pzr1dfd1KXsJ3G9QRppFZ/GjbcZMPDXblh0IcGaJ+nCfk WNifgR0/Uz+UxK/9yxXyOivSB8+UeIOGhMKhZrciV/Z+FxDvsBaqlJVcyL5m0x7kqgWH Cckub6jxVdBKrWp8kIPoMIbZXI7TCLY8pGSK8xd7RrqCUgPrZkP/ugC7UD27g9lqJyZ8 XKKP5eNOq8GNgAxcgR7Vl42xFCFcXTO+FUB7UIqdUwzJVr8fIvzvJhESSQJkLrE0wJoh fnIA== X-Gm-Message-State: AOAM531xlR6miW7L6KsgNvqv8fm1IlLgGfWlpqQ2a8SXP6z8U+stDxCn UTfUVOjHe6qySe6ZR0C8n6c= X-Google-Smtp-Source: ABdhPJxlNR6C8CFHLRo5rqVDCMsVLSUpmIzAdsrAsZFFI4Y2oRrvmEXZzQFyeVHAejMo+rAPaIrc5w== X-Received: by 2002:ac2:518b:: with SMTP id u11mr24097394lfi.498.1638628653644; Sat, 04 Dec 2021 06:37:33 -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 g36sm782934lfv.16.2021.12.04.06.37.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Dec 2021 06:37:33 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Takashi Iwai , Jaroslav Kysela , Liam Girdwood , Agneli Cc: linux-tegra@vger.kernel.org, Arnd Bergmann , Rob Herring , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v4 03/22] ASoC: dt-bindings: tegra20-i2s: Document new nvidia,fixed-parent-rate property Date: Sat, 4 Dec 2021 17:37:06 +0300 Message-Id: <20211204143725.31646-4-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211204143725.31646-1-digetx@gmail.com> References: <20211204143725.31646-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document new nvidia,fixed-parent-rate property which instructs that this board wants parent clock to stay at a fixed rate. It allows to prevent conflicts between audio components that share same parent PLL. For instance, this property allows to have HDMI audio, speaker and headphones in the system playing audio simultaneously, which is a common pattern for consumer devices. Reviewed-by: Rob Herring Signed-off-by: Dmitry Osipenko --- .../devicetree/bindings/sound/nvidia,tegra20-i2s.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml index ad43b237d9af..68ae124eaf80 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml @@ -42,6 +42,13 @@ properties: - const: rx - const: tx + 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