From patchwork Wed Sep 16 06:41:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 7191571 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id F08E3BEEC1 for ; Wed, 16 Sep 2015 06:46:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2EF1A207FC for ; Wed, 16 Sep 2015 06:46:42 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 55C55207D5 for ; Wed, 16 Sep 2015 06:46:41 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zc6Se-0003tv-7W; Wed, 16 Sep 2015 06:44:56 +0000 Received: from lucky1.263xmail.com ([211.157.147.133]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zc6SY-0003P1-L7; Wed, 16 Sep 2015 06:44:52 +0000 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.129]) by lucky1.263xmail.com (Postfix) with SMTP id 417E24C246; Wed, 16 Sep 2015 14:44:26 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 6BE3212899; Wed, 16 Sep 2015 14:44:20 +0800 (CST) X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: jh80.chung@samsung.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 2629250NK4F; Wed, 16 Sep 2015 14:44:24 +0800 (CST) From: Shawn Lin To: jh80.chung@samsung.com, ulf.hansson@linaro.org Subject: [RFC PATCH v8 03/10] Documentation: synopsys-dw-mshc: add bindings for idmac and edmac Date: Wed, 16 Sep 2015 14:41:50 +0800 Message-Id: <1442385710-29778-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1442385625-26775-1-git-send-email-shawn.lin@rock-chips.com> References: <1442385625-26775-1-git-send-email-shawn.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150915_234451_458244_2AEFAE59 X-CRM114-Status: UNSURE ( 7.74 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, Russell King , heiko@sntech.de, Arnd Bergmann , devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, Vineet.Gupta1@synopsys.com, Alexey Brodkin , dianders@chromium.org, Wei Xu , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Kukjin Kim , Ralf Baechle , Govindraj Raja , Jun Nie , Shawn Lin , Joachim Eastwood , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP synopsys-dw-mshc supports three types of transfer mode. We add bindings and description for how to use them at runtime. Signed-off-by: Shawn Lin --- Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None .../devicetree/bindings/mmc/synopsys-dw-mshc.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index 346c609..8636f5a 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -75,6 +75,12 @@ Optional properties: * vmmc-supply: The phandle to the regulator to use for vmmc. If this is specified we'll defer probe until we can find this regulator. +* dmas: List of DMA specifiers with the controller specific format as described + in the generic DMA client binding. Refer to dma.txt for details. + +* dma-names: request names for generic DMA client binding. Must be "rx-tx". + Refer to dma.txt for details. + Aliases: - All the MSHC controller nodes should be represented in the aliases node using @@ -95,6 +101,23 @@ board specific portions as listed below. #size-cells = <0>; }; +[board specific internal DMA resources] + + dwmmc0@12200000 { + clock-frequency = <400000000>; + clock-freq-min-max = <400000 200000000>; + num-slots = <1>; + broken-cd; + fifo-depth = <0x80>; + card-detect-delay = <200>; + vmmc-supply = <&buck8>; + bus-width = <8>; + cap-mmc-highspeed; + cap-sd-highspeed; + }; + +[board specific generic DMA request binding] + dwmmc0@12200000 { clock-frequency = <400000000>; clock-freq-min-max = <400000 200000000>; @@ -106,4 +129,6 @@ board specific portions as listed below. bus-width = <8>; cap-mmc-highspeed; cap-sd-highspeed; + dmas = <&pdma 12>; + dma-names = "rx-tx"; };