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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2020-07-01 23:48:30 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2020-09-09 10:34:55 +0200 |
| commit | e6277308ac214af04516564c516a0ff5f753d009 (patch) | |
| tree | cc54cf648747c69497eb65554b89457eb609e3d7 /Documentation/devicetree/bindings/i2c/i2c.txt | |
| parent | i2c: imx: Use dev_err_probe() to simplify error handling (diff) | |
| download | linux-e6277308ac214af04516564c516a0ff5f753d009.tar.xz linux-e6277308ac214af04516564c516a0ff5f753d009.zip | |
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/i2c.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c.txt | 5 |
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) -------------------------------------- |