[PATCH v3 1/2] dt-bindings: it6505: add properties to restrict output bandwidth

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From: allen chen <allen.chen@xxxxxxxxxx>

Add properties to restrict dp output data-lanes and clock.

Signed-off-by: Pin-Yen Lin <treapking@xxxxxxxxxxxx>
Signed-off-by: Allen Chen <allen.chen@xxxxxxxxxx>
---
 .../bindings/display/bridge/ite,it6505.yaml          | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
index 833d11b2303a..f5482a614d05 100644
--- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -52,6 +52,16 @@ properties:
     maxItems: 1
     description: extcon specifier for the Power Delivery
 
+  ite,dp-output-data-lane-count:
+    description: restrict the dp output data-lanes with value of 1-4
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 1, 2, 4 ]
+
+  ite,dp-output-max-pixel-clock-mhz:
+    description: restrict max pixel clock
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 150
+
   port:
     $ref: /schemas/graph.yaml#/properties/port
     description: A port node pointing to DPI host port node
@@ -84,6 +94,8 @@ examples:
             pwr18-supply = <&it6505_pp18_reg>;
             reset-gpios = <&pio 179 1>;
             extcon = <&usbc_extcon>;
+            ite,dp-output-data-lane-count = <2>;
+            ite,dp-output-max-pixel-clock-mhz = <150>;
 
             port {
                 it6505_in: endpoint {
-- 
2.25.1




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