Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-23 11:21:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

mmc: dt-bindings: update Mediatek MMC bindings

Browse Source 
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@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
yong mao 2017-03-15 15:26:38 +08:00 committed by Ulf Hansson
parent 7aceaf566e
commit 50fde5637b
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Documentation/devicetree/bindings/mmc/mtk-sd.txt
View File

@ -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;
};