Merge tag 'tegra-for-4.8-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra...

[cascardo/linux.git] / Documentation / devicetree / bindings / i2c / i2c.txt

diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt
index c8d977e..5fa691e 100644 (file)
--- a/Documentation/devicetree/bindings/i2c/i2c.txt
+++ b/Documentation/devicetree/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
        specification.
@@ -62,6 +70,13 @@ wants to support one of the below features, it should adapt the bindings below.
 - wakeup-source
        device can be used as a wakeup source.
 
+- reg
+       I2C slave addresses
+
+- reg-names
+       Names of map programmable addresses.
+       It can contain any map needing another address than default one.
+
 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.