From: Alain Volmat Date: Wed, 5 May 2021 13:14:38 +0000 (+0200) Subject: i2c: add binding to mark a bus as supporting SMBus-Alert X-Git-Tag: v5.14-rc1~85^2~39 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=168290fb26757d3f9732a466c59a5c45a01974f9;p=thirdparty%2Fkernel%2Flinux.git i2c: add binding to mark a bus as supporting SMBus-Alert Since SMBus-Alert is an optional feature of SMBUS which requires an additional pin, the smbus binding cannot be used to indicate its support. Add an additional smbus-alert binding specific for it and update the description text of smbus to avoid mentioning SMBus-Alert Signed-off-by: Alain Volmat Acked-by: Rob Herring Signed-off-by: Wolfram Sang --- diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt index df41f72afc878..b864916e087f4 100644 --- a/Documentation/devicetree/bindings/i2c/i2c.txt +++ b/Documentation/devicetree/bindings/i2c/i2c.txt @@ -89,8 +89,11 @@ wants to support one of the below features, it should adapt these bindings. - 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. + An example of feature is SMBusHostNotify. Examples of restrictions are + more reserved addresses and timeout definitions. + +- smbus-alert + states that the optional SMBus-Alert feature apply to this bus. Required properties (per child device) --------------------------------------