Documentation: i2c: mention ACPI method for instantiating devices

[firefly-linux-kernel-4.4.55.git] / Documentation / i2c / instantiating-devices

diff --git a/Documentation/i2c/instantiating-devices b/Documentation/i2c/instantiating-devices
index 6df095a6071e44981cd93d17785758d218cb332b..0d85ac1935b73a98251a434054105c6d28eb7334 100644 (file)
--- a/Documentation/i2c/instantiating-devices
+++ b/Documentation/i2c/instantiating-devices
@@ -81,6 +81,13 @@ additional properties which might be needed to set up the device, please refer
 to its devicetree documentation in Documentation/devicetree/bindings/.
 
 
+Method 1c: Declare the I2C devices via ACPI
+-------------------------------------------
+
+ACPI can also describe I2C devices. There is special documentation for this
+which is currently located at Documentation/acpi/enumeration.txt.
+
+
 Method 2: Instantiate the devices explicitly
 --------------------------------------------