[PATCH v5 1/2] dt-bindings: it6505: add properties to restrict output bandwidth
allen
allen.chen at ite.com.tw
Wed Oct 19 09:32:13 UTC 2022
From: allen chen <allen.chen at ite.com.tw>
Add properties to restrict dp output data-lanes and clock.
Signed-off-by: Pin-Yen Lin <treapking at chromium.org>
Signed-off-by: Allen Chen <allen.chen at ite.com.tw>
---
.../bindings/display/bridge/ite,it6505.yaml | 89 +++++++++++++++++--
1 file changed, 83 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
index 833d11b2303a7..8e607b6929fc9 100644
--- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -52,9 +52,70 @@ properties:
maxItems: 1
description: extcon specifier for the Power Delivery
- port:
- $ref: /schemas/graph.yaml#/properties/port
- description: A port node pointing to DPI host port node
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port at 0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: A port node pointing to DPI host port node
+
+ properties:
+ endpoint:
+ $ref: /schemas/graph.yaml#/$defs/endpoint-base
+ unevaluatedProperties: false
+
+ properties:
+ link-frequencies:
+ minItems: 1
+ maxItems: 1
+ description: Allowed max link frequencies in Hz
+
+ port at 1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: Video port for DP output
+
+ properties:
+ endpoint:
+ $ref: /schemas/graph.yaml#/$defs/endpoint-base
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ oneOf:
+ - minItems: 1
+ maxItems: 1
+ uniqueItems: true
+ items:
+ enum:
+ - 0
+ - 1
+ description: For one lane operation.
+
+ - minItems: 2
+ maxItems: 2
+ uniqueItems: true
+ items:
+ enum:
+ - 0
+ - 1
+ description: For two lanes operation.
+
+ - minItems: 4
+ maxItems: 4
+ uniqueItems: true
+ items:
+ enum:
+ - 0
+ - 1
+ - 2
+ - 3
+ description: For four lanes operation.
+ required:
+ - port at 0
+ - port at 1
required:
- compatible
@@ -63,6 +124,7 @@ required:
- interrupts
- reset-gpios
- extcon
+ - ports
additionalProperties: false
@@ -85,9 +147,24 @@ examples:
reset-gpios = <&pio 179 1>;
extcon = <&usbc_extcon>;
- port {
- it6505_in: endpoint {
- remote-endpoint = <&dpi_out>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+ it6505_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ link-frequencies = /bits/ 64 <150000000>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+ it6505_out: endpoint {
+ remote-endpoint = <&dp_in>;
+ data-lanes = <0 1>;
+ };
};
};
};
--
2.25.1
More information about the dri-devel
mailing list