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: 518270 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6F12414018C for ; Wed, 16 Sep 2015 16:44:44 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752204AbbIPGoi (ORCPT ); Wed, 16 Sep 2015 02:44:38 -0400 Received: from lucky1.263xmail.com ([211.157.147.133]:41645 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751579AbbIPGoe (ORCPT ); Wed, 16 Sep 2015 02:44:34 -0400 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 Cc: Vineet.Gupta1@synopsys.com, Wei Xu , Joachim Eastwood , Alexey Brodkin , Kukjin Kim , Krzysztof Kozlowski , Russell King , Jun Nie , Ralf Baechle , Govindraj Raja , Arnd Bergmann , heiko@sntech.de, dianders@chromium.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, linux-arm-kernel@lists.infradead.org, Shawn Lin 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> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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"; };