2021-03-08 08:41:38

by Hsin-Yi Wang

[permalink] [raw]
Subject: [PATCH v16 1/2] dt-binding: i2c: add bus-supply property

From: Bibby Hsieh <[email protected]>

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 <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Hsin-Yi Wang <[email protected]>
---
Documentation/devicetree/bindings/i2c/i2c.txt | 3 +++
1 file changed, 3 insertions(+)

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.
--
2.30.1.766.gb4fecdf3b7-goog