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authorWolfram Sang <wsa+renesas@sang-engineering.com>2020-07-02 00:48:30 +0300
committerWolfram Sang <wsa@kernel.org>2020-09-09 11:34:55 +0300
commite6277308ac214af04516564c516a0ff5f753d009 (patch)
treecc54cf648747c69497eb65554b89457eb609e3d7 /Documentation/devicetree/bindings/i2c
parent60a9f851f6bb9ea180b09e14cd461a14448f0b56 (diff)
downloadlinux-e6277308ac214af04516564c516a0ff5f753d009.tar.xz
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 <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c')
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt
index a21c359b9f02..df41f72afc87 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)
--------------------------------------