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Diffstat (limited to 'dts/Bindings/mmc/mtk-sd.yaml')
| -rw-r--r-- | dts/Bindings/mmc/mtk-sd.yaml | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/dts/Bindings/mmc/mtk-sd.yaml b/dts/Bindings/mmc/mtk-sd.yaml index e866e98554..82768a8072 100644 --- a/dts/Bindings/mmc/mtk-sd.yaml +++ b/dts/Bindings/mmc/mtk-sd.yaml @@ -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: |