From: Wolfram Sang Date: Wed, 1 Jul 2020 21:48:30 +0000 (+0200) Subject: i2c: add binding to mark a bus as SMBus X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e6277308ac214af04516564c516a0ff5f753d009;p=linux.git i2c: add binding to mark a bus as SMBus 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: Wolfram Sang Signed-off-by: Wolfram Sang --- diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt index a21c359b9f026..df41f72afc878 100644 --- a/Documentation/devicetree/bindings/i2c/i2c.txt +++ b/Documentation/devicetree/bindings/i2c/i2c.txt @@ -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) --------------------------------------