[PATCH v2 1/3] dt-bindings: net: add reset property for aspeed, ast2600-mdio binding

Dylan Hung
2022-03-21T09:57:07Z

The AST2600 MDIO bus controller has a reset control bit and must be
deasserted before the manipulating the MDIO controller.

Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Cc: stable@vger.kernel.org
---
.../devicetree/bindings/net/aspeed,ast2600-mdio.yaml | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml b/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
index 1c88820cbcdf..8ba108e25d94 100644
--- a/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
+++ b/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
@@ -23,12 +23,15 @@ properties:
reg:
maxItems: 1
description: The register range of the MDIO controller instance
+ resets:
+ maxItems: 1

required:
- compatible
- reg
- "#address-cells"
- "#size-cells"
+ - resets

unevaluatedProperties: false

@@ -39,6 +42,7 @@ examples:
reg = <0x1e650000 0x8>;
#address-cells = <1>;
#size-cells = <0>;
+ resets = <&syscon 35>;

ethphy0: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
--
2.25.1