dt-bindings: i2c: add bindings for nxp,pca9541

Fill the gap for this pre-existing driver.

Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Peter Rosin <peda@axentia.se>

1 files changed, 29 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/i2c/nxp,pca9541.txt b/Documentation/devicetree/bindings/i2c/nxp,pca9541.txt
new file mode 100644
index 000000000000..0fbbc6970ec5
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/nxp,pca9541.txt
@@ -0,0 +1,29 @@
+* NXP PCA9541 I2C bus master selector
+
+Required Properties:
+
+  - compatible: Must be "nxp,pca9541"
+
+  - reg: The I2C address of the device.
+
+  The following required properties are defined externally:
+
+  - I2C arbitration bus node. See i2c-arb.txt in this directory.
+
+
+Example:
+
+        i2c-arbitrator@74 {
+                compatible = "nxp,pca9541";
+                reg = <0x74>;
+
+                i2c-arb {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+
+                        eeprom@54 {
+                                compatible = "at,24c08";
+                                reg = <0x54>;
+                        };
+                };
+        };