path: root/dts/Bindings/i2c/i2c.txt
diff options
Diffstat (limited to 'dts/Bindings/i2c/i2c.txt')
1 files changed, 8 insertions, 0 deletions
diff --git a/dts/Bindings/i2c/i2c.txt b/dts/Bindings/i2c/i2c.txt
index f31b2ad155..5fa691e6f6 100644
--- a/dts/Bindings/i2c/i2c.txt
+++ b/dts/Bindings/i2c/i2c.txt
@@ -32,6 +32,14 @@ wants to support one of the below features, it should adapt the bindings below.
- clock-frequency
frequency of bus clock in Hz.
+- i2c-bus
+ For I2C adapters that have child nodes that are a mixture of both I2C
+ devices and non-I2C devices, the 'i2c-bus' subnode can be used for
+ populating I2C devices. If the 'i2c-bus' subnode is present, only
+ subnodes of this will be considered as I2C slaves. The properties,
+ '#address-cells' and '#size-cells' must be defined under this subnode
+ if present.
- i2c-scl-falling-time-ns
Number of nanoseconds the SCL signal takes to fall; t(f) in the I2C