i2c: add binding to mark a bus as SMBus (e6277308) · Commits · 戴 / test

SMBus is largely compatible with I2C but there are some specifics. In case we need them on a bus, we can now use this new binding. Signed-off-by:

Documentation/devicetree/bindings/i2c/i2c.txt

+5 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,11 @@ wants to support one of the below features, it should adapt these bindings.
		this information to detect a stalled bus more reliably, for example.
		Can not be combined with 'multi-master'.

		- smbus
		states that additional SMBus restrictions and features apply to this bus.
		Examples of features are SMBusHostNotify and SMBusAlert. Examples of
		restrictions are more reserved addresses and timeout definitions.

		Required properties (per child device)
		--------------------------------------