Quite regularly I2C bus lines on QCOM CCI controller require an external
pull-up to a regulator powered line, to be able to define all such
cases an additional vbus-supply property of a bus subnode is wanted.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>
---
Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
index 924ad8c03464..9f5b321748f1 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
@@ -60,6 +60,11 @@ PROPERTIES:
Definition: Desired I2C bus clock frequency in Hz, defaults to 100
kHz if omitted.
+- vbus-supply:
+ Usage: optional
+ Value type: phandle
+ Definition: Regulator that provides power to SCL/SDA lines
+
Example:
cci@a0c000 {
--
2.33.0
