Define device tree bindings for iProc MDC/MDIO bus interface
Signed-off-by: Ray Jui <[email protected]>
Reviewed-by: Arun Parameswaran <[email protected]>
Reviewed-by: JD (Jiandong) Zheng <[email protected]>
Reviewed-by: Scott Branden <[email protected]>
---
.../devicetree/bindings/bus/brcm,iproc-mdio.txt | 21 ++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/bus/brcm,iproc-mdio.txt
diff --git a/Documentation/devicetree/bindings/bus/brcm,iproc-mdio.txt
b/Documentation/devicetree/bindings/bus/brcm,iproc-mdio.txt
new file mode 100644
index 0000000..db7228b
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/brcm,iproc-mdio.txt
@@ -0,0 +1,21 @@
+Broadcom iProc MDC/MDIO bus interface
+
+The iProc MDC/MDIO bus interface is found on various iProc based SoCs and is
+used to communicate with various types of Serdes/PHYs including Ethernet,
+PCIe, USB, and etc.
+
+Required properties:
+- compatible: Must be "brcm,iproc-mdio"
+- reg: base address and length of the MDC/MDIO interface
+- address-cells: must be 1
+- size-cells: must be 1
+- ranges: leave it empty
+
+Example:
+ mdio_bus: mdio_bus@18002000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "brcm,iproc-mdio";
+ ranges;
+ reg = <0x18002000 0x8>;
+ };
--
1.7.9.5
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