In some platforms, they disable the power-supply of i2c due
to power consumption reduction. This patch add bus-supply property.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
[wsa: rebased to i2c/for-next]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
These properties may not be supported by all drivers. However, if a driver
wants to support one of the below features, it should adapt these bindings.
+- bus-supply
+ phandle to the regulator that provides power to SCL/SDA.
+
- clock-frequency
frequency of bus clock in Hz.