Add documentations for bcm6368 mdio mux driver.
Signed-off-by: Álvaro Fernández Rojas <[email protected]>
---
v2: remove unneeded clocks property
.../bindings/net/brcm,bcm6368-mdio-mux.yaml | 76 +++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/brcm,bcm6368-mdio-mux.yaml
diff --git a/Documentation/devicetree/bindings/net/brcm,bcm6368-mdio-mux.yaml b/Documentation/devicetree/bindings/net/brcm,bcm6368-mdio-mux.yaml
new file mode 100644
index 000000000000..2f34fda55fd0
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/brcm,bcm6368-mdio-mux.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/brcm,bcm6368-mdio-mux.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM6368 MDIO bus multiplexer
+
+maintainers:
+ - Álvaro Fernández Rojas <[email protected]>
+
+description:
+ This MDIO bus multiplexer defines buses that could be internal as well as
+ external to SoCs. When child bus is selected, one needs to select these two
+ properties as well to generate desired MDIO transaction on appropriate bus.
+
+allOf:
+ - $ref: "mdio.yaml#"
+
+properties:
+ compatible:
+ const: brcm,bcm6368-mdio-mux
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+patternProperties:
+ '^mdio@[0-1]$':
+ type: object
+ properties:
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ required:
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ mdio0: mdio@10e000b0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "brcm,bcm6368-mdio-mux";
+ reg = <0x10e000b0 0x6>;
+
+ mdio_int: mdio@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ mdio_ext: mdio@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
--
2.20.1