Commit fb4708e6 authored by Wenbin Mei's avatar Wenbin Mei Committed by Ulf Hansson
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dt-bindings: mmc: mtk-sd: Add hs400 dly3 setting 



Add hs400 dly3 setting for mtk-sd yaml

Signed-off-by: default avatarWenbin Mei <wenbin.mei@mediatek.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210917124803.22871-2-wenbin.mei@mediatek.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent bc9fd32c

Documentation/devicetree/bindings/mmc/mtk-sd.yaml

+12 −0
Original line number Diff line number Diff line
@@ -119,6 +119,18 @@ properties: 
      If present, HS400 command responses are sampled on rising edges.

      If not present, HS400 command responses are sampled on falling edges.



  mediatek,hs400-ds-dly3:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      Gear of the third delay line for DS for input data latch in data

      pad macro, there are 32 stages from 0 to 31.

      For different corner IC, the time is different about one step, it is

      about 100ps.

      The value is confirmed by doing scan and calibration to find a best

      value with corner IC and it is valid only for HS400 mode.

    minimum: 0

    maximum: 31



  mediatek,latch-ck:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: