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authorFabrice Gasnier <fabrice.gasnier@st.com>2019-06-04 15:34:13 +0200
committerWolfram Sang <wsa@the-dreams.de>2019-06-29 13:30:49 +0200
commit102a3375e6671e6ca85dbde245a5071f8c09b760 (patch)
tree1fbd368e74b56a57cd785013a8952e81b6eb7738
parent473fbdf7d8d345f7e57618b769fbdff9da40424d (diff)
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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>
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-stm32.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
index f334738f7a35..ce3df2fff6c8 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
@@ -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)