2022-11-03 09:22:41

by allen

Subject: [PATCH v7 1/2] dt-bindings: it6505: add properties to restrict output bandwidth

From: allen chen <[email protected]>

Currently there are no "upstream" users. So, no existing users to break.
Add properties to restrict dp output data-lanes and clock.

Signed-off-by: Pin-Yen Lin <[email protected]>
Signed-off-by: Allen Chen <[email protected]>
---
.../bindings/display/bridge/ite,it6505.yaml | 68 +++++++++++++++++--
1 file changed, 62 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..b16a9d9127ddb 100644
--- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -52,9 +52,49 @@ 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@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@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:
+ minItems: 1
+ uniqueItems: true
+ items:
+ - enum: [ 0, 1 ]
+ - const: 1
+ - const: 2
+ - const: 3
+
+ required:
+ - port@0
+ - port@1

required:
- compatible
@@ -63,6 +103,7 @@ required:
- interrupts
- reset-gpios
- extcon
+ - ports

additionalProperties: false

@@ -85,9 +126,24 @@ 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@0 {
+ reg = <0>;
+ it6505_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ link-frequencies = /bits/ 64 <150000000>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ it6505_out: endpoint {
+ remote-endpoint = <&dp_in>;
+ data-lanes = <0 1>;
+ };
};
};
};
--
2.25.1

2022-11-03 16:16:44

by Krzysztof Kozlowski

Subject: Re: [PATCH v7 1/2] dt-bindings: it6505: add properties to restrict output bandwidth

On 03/11/2022 05:12, allen wrote:
> From: allen chen <[email protected]>
>
> Currently there are no "upstream" users. So, no existing users to break.
> Add properties to restrict dp output data-lanes and clock.
>
> Signed-off-by: Pin-Yen Lin <[email protected]>
> Signed-off-by: Allen Chen <[email protected]>


Reviewed-by: Krzysztof Kozlowski <[email protected]>

Best regards,
Krzysztof