linux-kernel - [PATCH v5 1/3] mmc: dt-bindings: update Mediatek MMC bindings

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Message-ID: <1489562800-27431-2-git-send-email-yong.mao@mediatek.com>
Date:   Wed, 15 Mar 2017 15:26:38 +0800
From:   Yong Mao <yong.mao@...iatek.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>
CC:     Linus Walleij <linus.walleij@...aro.org>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Chaotian Jing <chaotian.jing@...iatek.com>,
        yong mao <yong.mao@...iatek.com>,
        Eddie Huang <eddie.huang@...iatek.com>,
        <linux-mmc@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
Subject: [PATCH v5 1/3] mmc: dt-bindings: update Mediatek MMC bindings

From: yong mao <yong.mao@...iatek.com>

Add description for mediatek,hs200-cmd-int-delay
Add description for mediatek,hs400-cmd-int-delay
Add description for mediatek,hs400-cmd-resp-sel-rising

Signed-off-by: Yong Mao <yong.mao@...iatek.com>
---
 Documentation/devicetree/bindings/mmc/mtk-sd.txt |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
index 0120c7f..4182ea3 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
@@ -21,6 +21,15 @@ Optional properties:
 - assigned-clocks: PLL of the source clock
 - assigned-clock-parents: parent of source clock, used for HS400 mode to get 400Mhz source clock
 - hs400-ds-delay: HS400 DS delay setting
+- mediatek,hs200-cmd-int-delay: HS200 command internal delay setting.
+				This field has total 32 stages.
+				The value is an integer from 0 to 31.
+- mediatek,hs400-cmd-int-delay: HS400 command internal delay setting
+				This field has total 32 stages.
+				The value is an integer from 0 to 31.
+- 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.
 
 Examples:
 mmc0: mmc@...30000 {
@@ -38,4 +47,7 @@ mmc0: mmc@...30000 {
 	assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>;
 	assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>;
 	hs400-ds-delay = <0x14015>;
+	mediatek,hs200-cmd-int-delay = <26>;
+	mediatek,hs400-cmd-int-delay = <14>;
+	mediatek,hs400-cmd-resp-sel-rising;
 };
-- 
1.7.9.5