i2c: add binding to mark a bus as supporting SMBus-Alert

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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 <alain.volmat@foss.st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

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Alain Volmat 2021-05-05 15:14:38 +02:00 • committed by Wolfram Sang

parent e653312b5b

commit 168290fb26

1 changed files with 5 additions and 2 deletions

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7

Documentation/devicetree/bindings/i2c/i2c.txt

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