From 50fde5637b6b66555036bd815c01e0aa38d38859 Mon Sep 17 00:00:00 2001 From: yong mao Date: Wed, 15 Mar 2017 15:26:38 +0800 Subject: [PATCH] mmc: dt-bindings: update Mediatek MMC bindings 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 Acked-by: Rob Herring Signed-off-by: Ulf Hansson --- 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 0120c7f1109c..4182ea36ca5b 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@11230000 { @@ -38,4 +47,7 @@ mmc0: mmc@11230000 { 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; }; -- 2.20.1