From patchwork Tue Mar 17 03:13:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaotian Jing X-Patchwork-Id: 6027171 Return-Path: X-Original-To: patchwork-linux-arm@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 48F5F9F2A9 for ; Tue, 17 Mar 2015 03:17:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6F21720458 for ; Tue, 17 Mar 2015 03:17:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8D1F820454 for ; Tue, 17 Mar 2015 03:17:44 +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 1YXhy9-0002qi-1L; Tue, 17 Mar 2015 03:15:01 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YXhy4-0002mW-3W; Tue, 17 Mar 2015 03:14:56 +0000 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1009735601; Tue, 17 Mar 2015 11:14:32 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Tue, 17 Mar 2015 11:14:31 +0800 From: Chaotian Jing To: Rob Herring , Matthias Brugger , Chris Ball , Ulf Hansson Subject: [PATCH v2 1/5] mmc: dt-bindings: add Mediatek MMC bindings Date: Tue, 17 Mar 2015 11:13:51 +0800 Message-ID: <1426562035-16709-2-git-send-email-chaotian.jing@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1426562035-16709-1-git-send-email-chaotian.jing@mediatek.com> References: <1426562035-16709-1-git-send-email-chaotian.jing@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150316_201456_341489_A20D470D X-CRM114-Status: UNSURE ( 6.90 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 1.3 (+) Cc: Mark Rutland , James Liao , srv_heupstream@mediatek.com, Arnd Bergmann , devicetree@vger.kernel.org, Hongzhou Yang , Catalin Marinas , bin.zhang@mediatek.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Will Deacon , linux-gpio@vger.kernel.org, linux-mediatek@lists.infradead.org, Chaotian Jing , Sascha Hauer , "Joe.C" , Eddie Huang , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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=ham 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 Document the device-tree binding of Mediatek MMC host Signed-off-by: Chaotian Jing --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 33 ++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/mtk-sd.txt diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt new file mode 100644 index 0000000..ac43f77 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -0,0 +1,33 @@ +* MTK MMC controller + +The MTK MSDC can act as a MMC controller +to support MMC, SD, and SDIO types of memory cards. + +This file documents differences between the core properties in mmc.txt +and the properties used by the msdc driver. + +Required properties: +- compatible: Should be "mediatek,mt8173-mmc","mediatek,mt8135-mmc". +- interrupts: Should contain MSDC interrupt number +- clocks: MSDC source clock +- clock-names: "source" +- pinctrl-names: should be "default", "state_uhs" +- pinctrl-0: should contain default/high speed pin ctrl +- pinctrl-1: should contain uhs mode pin ctrl + +Optional properties: +- vmmc-supply: power to the Core +- vqmmc-supply: power to the IO(for SD/SDIO) + +Examples: +mmc0: mmc@11230000 { + compatible = "mediatek,mt8173-mmc","mediatek,mt8135-mmc"; + reg = <0 0x11230000 0 0x108>; + interrupts = ; + vmmc-supply = <&mt6397_vemc_3v3_reg>; + clocks = <&pericfg PERI_MSDC20_1_CK>; + clock-names = "source"; + pinctrl-names = "default", "state_uhs"; + pinctrl-0 = <&mmc0_pins_default>; + pinctrl-1 = <&mmc0_pins_uhs>; +};