diff mbox series

[v16,1/2] dt-binding: i2c: add bus-supply property

Message ID 20210308043607.957156-2-hsinyi@chromium.org (mailing list archive)
State New, archived
Headers show
Series add power control in i2c | expand

Commit Message

Hsin-Yi Wang March 8, 2021, 4:36 a.m. UTC 
From: Bibby Hsieh <bibby.hsieh@mediatek.com>

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>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
---
 Documentation/devicetree/bindings/i2c/i2c.txt | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt
index df41f72afc87..88972bd62ce1 100644
--- a/Documentation/devicetree/bindings/i2c/i2c.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c.txt
@@ -130,6 +130,9 @@  wants to support one of the below features, it should adapt these bindings.
 - wakeup-source
 	device can be used as a wakeup source.
 
+- bus-supply
+	phandle to the regulator that provides power to SCL/SDA.
+
 Binding may contain optional "interrupts" property, describing interrupts
 used by the device. I2C core will assign "irq" interrupt (or the very first
 interrupt if not using interrupt names) as primary interrupt for the slave.