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dt-binding: i2c: add bus-supply property

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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>
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Bibby Hsieh 2020-05-19 15:27:28 +08:00 committed by Wolfram Sang
parent df7b4d6f7d
commit 6aab46bc52
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/i2c/i2c.txt
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@ -23,6 +23,9 @@ Optional properties (per bus)
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.