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dt-bindings: spi-msm-geni: Define fixed timeout property

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SPI timeout is calculated dynamically based on current transfer size
and frequency. The property qcom,use-fixed-timeout can be used to fix
the timeout of 250ms for all transfers.

Change-Id: Id655fdf5d39c9e11753f797038217383de96ee1e
This commit is contained in:
Ashish Kori 2020-12-29 11:45:40 +05:30
commit daffa1fbc4
1 changed files with 3 additions and 1 deletions
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4
bindings/spi/qcom,spi-msm-geni.txt
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@ -36,7 +36,9 @@ Optional properties:
- qcom,shared_se: Specifies that this serial engine is shared simultaneously
between execution environments. A true multi-EE usecase.
- qcom,le_vm: Specifies that this serial engine is operating in a trusted VM.
- qcom,use-fixed-timeout : Set this flag to use 250ms fixed timeout value. This
will improve overall SPI KPI value but not preferred
for large transfer.
SPI slave nodes must be children of the SPI master node and can contain
the following properties.