From e6277308ac214af04516564c516a0ff5f753d009 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Wed, 1 Jul 2020 23:48:30 +0200 Subject: [PATCH] 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 --- Documentation/devicetree/bindings/i2c/i2c.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt index a21c359..df41f72 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) -------------------------------------- -- 2.7.4