[PATCH v4 4/8] dt-bindings: phy: mtk-xs-phy: support type switch by pericfg

[Frank Wunderlich <linux@fw-web.de>]

From: Frank Wunderlich <frank-w@public-files.de>

Add support for type switch by pericfg register between USB3/PCIe.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
v4:
- changes based on comments from Krzysztof
- change to phy type configuration controller/register
---
 .../devicetree/bindings/phy/mediatek,xsphy.yaml   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml
index 3b5253659e6f..0bed847bb4ad 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,xsphy.yaml
@@ -151,6 +151,21 @@ patternProperties:
         minimum: 1
         maximum: 31
 
+      mediatek,syscon-type:
+        $ref: /schemas/types.yaml#/definitions/phandle-array
+        description:
+          A phandle to syscon used to access the register of type switch,
+          the field should always be 3 cells long.
+        items:
+          - items:
+              - description:
+                  Phandle to phy type configuration system controller
+              - description:
+                  Phy type configuration register offset
+              - description:
+                  Index of config segment
+                enum: [0, 1, 2, 3]
+
     required:
       - reg
       - clocks
-- 
2.43.0