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dt-bindings: i2c-stm32: document optional dmas 

Add missing documentation for "dmas" and "dma-names" properties that can be
used on i2c-stm32.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
alistair/sunxi64-5.4-dsi
Fabrice Gasnier 2019-06-04 15:34:13 +02:00 committed by Wolfram Sang
parent 473fbdf7d8
commit 102a3375e6
1 changed files with 2 additions and 0 deletions
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Documentation/devicetree/bindings/i2c/i2c-stm32.txt
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@ -21,6 +21,8 @@ Optional properties:
100000 and 400000.
For STM32F7, STM32H7 and STM32MP1 SoCs, Standard-mode, Fast-mode and Fast-mode
Plus are supported, possible values are 100000, 400000 and 1000000.
- dmas: List of phandles to rx and tx DMA channels. Refer to stm32-dma.txt.
- dma-names: List of dma names. Valid names are: "rx" and "tx".
- i2c-scl-rising-time-ns: I2C SCL Rising time for the board (default: 25)
For STM32F7, STM32H7 and STM32MP1 only.
- i2c-scl-falling-time-ns: I2C SCL Falling time for the board (default: 10)