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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CC7FC32789 for ; Mon, 5 Nov 2018 03:17:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 672EE2082A for ; Mon, 5 Nov 2018 03:17:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="juK4sSuc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 672EE2082A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729210AbeKEMek (ORCPT ); Mon, 5 Nov 2018 07:34:40 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:37500 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727328AbeKEMek (ORCPT ); Mon, 5 Nov 2018 07:34:40 -0500 Received: by mail-pg1-f193.google.com with SMTP id c10-v6so3538812pgq.4 for ; Sun, 04 Nov 2018 19:17:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=MHt2HL1hPxLUZSU8tjk/yq874I7NV4UEGg3K2dqYbuQ=; b=juK4sSuciGH3p7UyCKmk/sHoO1J/IiWYZbwQfBYDWg/eZVH3viQ6O6QnMJ3R+jKcpG vH4ZqO4q0mrMlhqiDAy1JaLbeC9AISX9kQAjKe/pp7WB/CaqQCgS6PngvtcOYLNWLacp QVEUg2kzbiRD/QSTdF8bSFtvq/AGe16kdLzuU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=MHt2HL1hPxLUZSU8tjk/yq874I7NV4UEGg3K2dqYbuQ=; b=BhBANiJLNn/Lor3haLyVwrqG0WIQkzdbM98I9OdyMKhJLeGTcVvMSdeScXor3Tw/GR nDXPvoqQw4DFNKo49uiWRguASfYuAEOngcKj2Y25zVeNL1LCp9ORuVT5GGo5aUjOyE1y q9hVSyQxWjp6WTtEx5jGOWC9GQFPcBjOMq1XmUYswhLyStOnkd5KOqW+7VeQgg93miKA MdVB+P6ixv5IcWgbNaiXXyecleS7/eqlkwS6xoAhL3MAB4pAhgXnGryArdhVEDk+KRTF iXNnriewR5ikBPh4910Pl04Sf5KQaxbkRhk+ZoOyjSmphHTJMAq6pfXaXY6xLQOUcauR 9VIg== X-Gm-Message-State: AGRZ1gLLE7EDErGgh/yY05AsJBPxTkEGUklb3NyWMJLRvWHVlL6uZQny kpcN4NFaTkR/R+OdvJFSegwIw4qF8MNudw== X-Google-Smtp-Source: AJdET5dlRsdvkPkjUWj6YEWtrhlqOU6vbQaVvURWfABWwImtHKSrnG9Ub3j//hH5sX+bNj/g6ZYjaw== X-Received: by 2002:a65:610e:: with SMTP id z14-v6mr18683200pgu.138.1541387831678; Sun, 04 Nov 2018 19:17:11 -0800 (PST) Received: from ubt.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id f10-v6sm40182773pgp.72.2018.11.04.19.17.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 04 Nov 2018 19:17:10 -0800 (PST) From: Chunyan Zhang To: Ulf Hansson , Adrian Hunter Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Mark Brown , Kishon Vijay Abraham I , Sekhar Nori , Chunyan Zhang Subject: [PATCH RFC 3/3] dt-bindings: sdhci-omap: Add example for using dmaengine Date: Mon, 5 Nov 2018 11:16:50 +0800 Message-Id: <1541387810-24867-4-git-send-email-zhang.chunyan@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1541387810-24867-1-git-send-email-zhang.chunyan@linaro.org> References: <1541387810-24867-1-git-send-email-zhang.chunyan@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sdhci-omap can support both external dma controllers via dmaengine framework as well as ADMA in which the controller acts as DMA master. Signed-off-by: Chunyan Zhang --- Documentation/devicetree/bindings/mmc/sdhci-omap.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt index 393848c..c73fd47 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt @@ -12,6 +12,11 @@ Required properties: "ddr_1_8v-rev11", "ddr_1_8v" or "ddr_3_3v", "hs200_1_8v-rev11", "hs200_1_8v", - pinctrl- : Pinctrl states as described in bindings/pinctrl/pinctrl-bindings.txt +- dmas: List of DMA specifiers with the controller specific format as described + in the generic DMA client binding. A tx and rx specifier is required. +- dma-names: List of DMA request names. These strings correspond 1:1 with the + DMA specifiers listed in dmas. The string naming is to be "rx" + and "tx" for RX and TX DMA requests, respectively. Example: mmc1: mmc@4809c000 { @@ -20,4 +25,6 @@ Example: ti,hwmods = "mmc1"; bus-width = <4>; vmmc-supply = <&vmmc>; /* phandle to regulator node */ + dmas = <&sdma 61 &sdma 62>; + dma-names = "tx", "rx"; }; -- 2.7.4