From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932121AbdJWCb4 (ORCPT ); Sun, 22 Oct 2017 22:31:56 -0400 Received: from mailgw01.mediatek.com ([218.249.47.110]:51403 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750869AbdJWCby (ORCPT ); Sun, 22 Oct 2017 22:31:54 -0400 X-UUID: 29b769fac4954373bae06647ffafeb59-20171023 Message-ID: <1508725904.19789.19.camel@mhfsdcap03> Subject: Re: [PATCH v6 01/12] mmc: dt-bindings: Add reg/source_cg/latch-ck for Mediatek MMC bindings From: Chaotian Jing To: Ulf Hansson CC: Rob Herring , Mark Rutland , Matthias Brugger , Catalin Marinas , Will Deacon , yong mao , Linus Walleij , "Heiner Kallweit" , Phong LE , , , , , , Date: Mon, 23 Oct 2017 10:31:44 +0800 In-Reply-To: <1508118399-21828-2-git-send-email-chaotian.jing@mediatek.com> References: <1508118399-21828-1-git-send-email-chaotian.jing@mediatek.com> <1508118399-21828-2-git-send-email-chaotian.jing@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit MIME-Version: 1.0 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rob & Ulf, Gentle ping... Any other comments about this series of patch ? On Mon, 2017-10-16 at 09:46 +0800, Chaotian Jing wrote: > Change the comptiable for support of multi-platform > Make compatible explicit, as MMC host of mt8173 has difference with > mt8135(mt8173 supports hs400 and hs400_tune),so that need separate > mt8173/mt8135 compatible name. > Add description for reg > Add description for source_cg > Add description for mediatek,latch-ck > Note that source_cg and mediatek,latch-ck are optional for some projects, > eg, MT2701 do not have source_cg, and MT2712 do not need > mediatek,latch-ck > > Signed-off-by: Chaotian Jing > --- > Documentation/devicetree/bindings/mmc/mtk-sd.txt | 18 +++++++++++++++--- > 1 file changed, 15 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt > index 4182ea3..72d2a73 100644 > --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt > +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt > @@ -7,10 +7,18 @@ 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" > +- compatible: value should be either of the following. > + "mediatek,mt8135-mmc": for mmc host ip compatible with mt8135 > + "mediatek,mt8173-mmc": for mmc host ip compatible with mt8173 > + "mediatek,mt2701-mmc": for mmc host ip compatible with mt2701 > + "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712 > +- reg: physical base address of the controller and length > - interrupts: Should contain MSDC interrupt number > -- clocks: MSDC source clock, HCLK > -- clock-names: "source", "hclk" > +- clocks: Should contain phandle for the clock feeding the MMC controller > +- clock-names: Should contain the following: > + "source" - source clock (required) > + "hclk" - HCLK which used for host (required) > + "source_cg" - independent source clock gate (required for MT2712) > - pinctrl-names: should be "default", "state_uhs" > - pinctrl-0: should contain default/high speed pin ctrl > - pinctrl-1: should contain uhs mode pin ctrl > @@ -30,6 +38,10 @@ Optional properties: > - mediatek,hs400-cmd-resp-sel-rising: HS400 command response sample selection > If present,HS400 command responses are sampled on rising edges. > If not present,HS400 command responses are sampled on falling edges. > +- mediatek,latch-ck: Some SoCs do not support enhance_rx, need set correct latch-ck to avoid data crc > + error caused by stop clock(fifo full) > + Valid range = [0:0x7]. if not present, default value is 0. > + applied to compatible "mediatek,mt2701-mmc". > > Examples: > mmc0: mmc@11230000 {