From patchwork Fri Sep 28 11:40:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2hhb3RpYW4gSmluZyAo5LqV5pyd5aSpKQ==?= X-Patchwork-Id: 10619831 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 61360913 for ; Fri, 28 Sep 2018 11:41:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 54F862B2C2 for ; Fri, 28 Sep 2018 11:41:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 494D82B2DF; Fri, 28 Sep 2018 11:41:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD47D2B2C2 for ; Fri, 28 Sep 2018 11:41:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729526AbeI1SEf (ORCPT ); Fri, 28 Sep 2018 14:04:35 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:2974 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729291AbeI1SEf (ORCPT ); Fri, 28 Sep 2018 14:04:35 -0400 X-UUID: d06dab89507f46deb404b02846c0ef61-20180928 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1582751188; Fri, 28 Sep 2018 19:41:08 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Sep 2018 19:41:07 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 28 Sep 2018 19:41:06 +0800 From: Chaotian Jing To: Ulf Hansson CC: Rob Herring , Mark Rutland , Matthias Brugger , Chaotian Jing , Ryder Lee , Wolfram Sang , Sean Wang , , , , , , Subject: [PATCH 1/2] mmc: dt-bindings: add "bus-clk" for MT2712 Date: Fri, 28 Sep 2018 19:40:54 +0800 Message-ID: <1538134855-11198-2-git-send-email-chaotian.jing@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1538134855-11198-1-git-send-email-chaotian.jing@mediatek.com> References: <1538134855-11198-1-git-send-email-chaotian.jing@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: BD2BA4FAB09AEFF03070861B05D9FC1C74481E4045F833CA18D03D228657BFC72000:8 X-MTK: N Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On MT2712 MSDC0/3, HCLK/bus-clk need gate/ungate together, or will hang when access MSDC register. Signed-off-by: Chaotian Jing --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index f33467a..182299b 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -22,6 +22,7 @@ Required properties: "source" - source clock (required) "hclk" - HCLK which used for host (required) "source_cg" - independent source clock gate (required for MT2712) + "bus_clk" - bus clk used for internal register access(required for MT2712 MSDC0/3) - pinctrl-names: should be "default", "state_uhs" - pinctrl-0: should contain default/high speed pin ctrl - pinctrl-1: should contain uhs mode pin ctrl