[PATCH 1/2] dt-bindings: net: rockchip-dwmac: add rk3568 xpcs compatible

[Chukun Pan]

The gmac of RK3568 supports RGMII/SGMII/QSGMII interface.
This patch adds a compatible string for the required clock.

Signed-off-by: Chukun Pan <amadeus@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index 42fb72b6909d..36b1e82212e7 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -68,6 +68,7 @@ properties:
         - mac_clk_rx
         - aclk_mac
         - pclk_mac
+        - pclk_xpcs
         - clk_mac_ref
         - clk_mac_refout
         - clk_mac_speed
@@ -90,6 +91,11 @@ properties:
       The phandle of the syscon node for the peripheral general register file.
     $ref: /schemas/types.yaml#/definitions/phandle
 
+  rockchip,xpcs:
+    description:
+      The phandle of the syscon node for the peripheral general register file.
+    $ref: /schemas/types.yaml#/definitions/phandle
+
   tx_delay:
     description: Delay value for TXD timing. Range value is 0~0x7F, 0x30 as default.
     $ref: /schemas/types.yaml#/definitions/uint32
-- 
2.25.1