From patchwork Thu Aug 6 06:45:02 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 6956211 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DF5A39F38B for ; Thu, 6 Aug 2015 06:49:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1947C20653 for ; Thu, 6 Aug 2015 06:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3428D2066B for ; Thu, 6 Aug 2015 06:49:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754560AbbHFGsf (ORCPT ); Thu, 6 Aug 2015 02:48:35 -0400 Received: from lucky1.263xmail.com ([211.157.147.132]:48861 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754537AbbHFGsd (ORCPT ); Thu, 6 Aug 2015 02:48:33 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.130]) by lucky1.263xmail.com (Postfix) with SMTP id 1BFB85668F; Thu, 6 Aug 2015 14:48:29 +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 2D25441D; Thu, 6 Aug 2015 14:48:24 +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: <103107554a2d8e53b25e21b1cc7bb835> 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 9150GDDS0I; Thu, 06 Aug 2015 14:48:27 +0800 (CST) From: Shawn Lin To: jh80.chung@samsung.com, ulf.hansson@linaro.org Cc: heiko@sntech.de, dianders@chromium.org, Vineet.Gupta1@synopsys.com, Wei Xu , Joachim Eastwood , Alexey Brodkin , Kukjin Kim , Krzysztof Kozlowski , Russell King , Jun Nie , Ralf Baechle , Govindraj Raja , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-mips@linux-mips.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, Shawn Lin Subject: [RFC PATCH v4 2/9] Documentation: synopsys-dw-mshc: add bindings for idmac and edmac Date: Thu, 6 Aug 2015 14:45:02 +0800 Message-Id: <1438843502-23894-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1438843469-23807-1-git-send-email-shawn.lin@rock-chips.com> References: <1438843469-23807-1-git-send-email-shawn.lin@rock-chips.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 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"; };