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i2c: i2c-smbus: add of_i2c_setup_smbus_alert

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This commit adds of_i2c_setup_smbus_alert which allows the smbalert
driver to be attached to an i2c adapter via the device tree.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Phil Reid
2017-08-24 17:31:03 +08:00
committed by Wolfram Sang
parent 3c0a60bee1
commit 69d17246ab
4 changed files with 42 additions and 3 deletions
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4
Documentation/devicetree/bindings/i2c/i2c.txt
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@@ -59,8 +59,8 @@ wants to support one of the below features, it should adapt the bindings below.
interrupts used by the device.
- interrupt-names
"irq" and "wakeup" names are recognized by I2C core, other names are
left to individual drivers.
"irq", "wakeup" and "smbus_alert" names are recognized by I2C core,
other names are left to individual drivers.
- host-notify
device uses SMBus host notify protocol instead of interrupt line.