From patchwork Sat Oct 5 08:55:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tzung-Bi Shih X-Patchwork-Id: 1172149 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="cJpLy7YH"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46lgZP1S3kz9s4Y for ; Sat, 5 Oct 2019 18:55:57 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727466AbfJEIz4 (ORCPT ); Sat, 5 Oct 2019 04:55:56 -0400 Received: from mail-pg1-f202.google.com ([209.85.215.202]:40856 "EHLO mail-pg1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725976AbfJEIz4 (ORCPT ); Sat, 5 Oct 2019 04:55:56 -0400 Received: by mail-pg1-f202.google.com with SMTP id w5so5989023pgp.7 for ; Sat, 05 Oct 2019 01:55:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=kmoQ5EfiuLPugExVdasoEEQ+xSgNc8VlrAlw91YpZWU=; b=cJpLy7YHnMDaIZiQzeucIuhSVgVwX/T/uIRDaMaSWPVblQ1e6ymh7GXJqCSmCo4GXT Jc4Zmu6OfUG4aPCpr9xLNxy2Pg7kez9HhFw8cfrclIghRTESqS1mpvNj3dUYHfUXsT5A FULp7yHNmqg+oQw3WzNeS+HE5cZIT4WPaZZ0opOgmdiLNNd1hvFoVNmUaw/zSuc4dbDk BdzwAmte2M0xqJHk/PLUy9QFN8/zwxad23V4tOmwXFHOMEZN0kU9WkcdO+Pt2hyF8zgF 1jvdGrqX3/r0jRSgdQYggIbZf4ZTaHWpAXTxyVZOuqWfWuRCvqMdkBgJBUu/oLmJkBov gRuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=kmoQ5EfiuLPugExVdasoEEQ+xSgNc8VlrAlw91YpZWU=; b=RyjcvIyHM0yi/a/SVlSLiHodmenEShtsHcBjmgTifzcl90REoS8DGlju09OULCn9kK i/ycZy0NPGBoxHmf9TTU4j/ZTAtEf/mSuP+Y7yZV7WnUmJX994fgzcOtDMz0R1qSPdAL IPV7NC/adMGdL3a+64tG8Di2852WFejb3h/oKuEN9E0rQxa7l4A61sMOpJsCtXpjbjTj +k3uoYKRDwyQujMXWc75Ktn+/OcGCV4/x1DBptEKH3JYEK/xCpctgmwwovHucATR4YdC F6uP5s1+8ZODJg7k+K5S8mVUNlcrk63NfC7toqYxI7gM64C9BvctqIwxCrUYHlEFtljY fDwQ== X-Gm-Message-State: APjAAAUs8GgVaDdO1O72ANuWL58cx3v/agrWsqiDZJGEMJyNM5kALwbB fwvaSAnlkcLaYNlQi9osctEfy4c+eici X-Google-Smtp-Source: APXvYqwynwoYoFkQk/iqR6Um03rnnEYqoeUKYCC03KFr+9G5mr1Gtv+8iqBgDOJh+ZT7W5oEvjXdNeqyTLf/ X-Received: by 2002:a63:1515:: with SMTP id v21mr1565875pgl.270.1570265755484; Sat, 05 Oct 2019 01:55:55 -0700 (PDT) Date: Sat, 5 Oct 2019 16:55:05 +0800 In-Reply-To: <20191005085509.187179-1-tzungbi@google.com> Message-Id: <20191005164320.06.I0df85fe54162426e31f60a589d9b461c65df2faa@changeid> Mime-Version: 1.0 References: <20191005085509.187179-1-tzungbi@google.com> X-Mailer: git-send-email 2.23.0.581.g78d2f28ef7-goog Subject: [PATCH v2 06/10] ASoC: dt-bindings: cros_ec_codec: add SHM bindings From: Tzung-Bi Shih To: broonie@kernel.org Cc: alsa-devel@alsa-project.org, robh+dt@kernel.org, devicetree@vger.kernel.org, enric.balletbo@collabora.com, bleung@google.com, gwendal@google.com, drinkcat@google.com, cychiang@google.com, dgreid@google.com, tzungbi@google.com Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org - Add "ec-shm" for binding to shared memory exposed by EC. - Add "memory-region" for binding to memory region shared by AP. Signed-off-by: Tzung-Bi Shih --- .../bindings/sound/google,cros-ec-codec.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt index 0ce9fafc78e2..cb46bc082b4b 100644 --- a/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt +++ b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt @@ -10,8 +10,26 @@ Required properties: - compatible: Must contain "google,cros-ec-codec" - #sound-dai-cells: Should be 1. The cell specifies number of DAIs. +Optional properties: +- ec-shm: Shared memory region from EC. It contains 3 unsigned 32-bit + integer. The first 2 integers combine to become an unsigned + 64-bit address. The last one integer is length of the shared + memory. +- memory-region: Shared memory region to EC. A "shared-dma-pool". See + ../reserved-memory/reserved-memory.txt for details. + Example: +{ + ... + + reserved_mem: reserved_mem { + compatible = "shared-dma-pool"; + reg = <0 0x52800000 0 0x100000>; + no-map; + }; +} + cros-ec@0 { compatible = "google,cros-ec-spi"; @@ -20,5 +38,7 @@ cros-ec@0 { cros_ec_codec: ec-codec { compatible = "google,cros-ec-codec"; #sound-dai-cells = <1>; + ec-shm = <0x0 0x10500000 0x80000>; + memory-region = <&reserved_mem>; }; };