Re: [PATCH v10 2/5] dt-bindings: msm/dp: add data-lanes and link-frequencies property

From: Dmitry Baryshkov
Date: Wed Dec 07 2022 - 15:06:19 EST


On 07/12/2022 18:57, Kuogee Hsieh wrote:
Add both data-lanes and link-frequencies property into endpoint

Changes in v7:
-- split yaml out of dtsi patch
-- link-frequencies from link rate to symbol rate
-- deprecation of old data-lanes property

Changes in v8:
-- correct Bjorn mail address to kernel.org

Changes in v10:
-- add menu item to data-lanes and link-frequecnis

Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>`
---
.../devicetree/bindings/display/msm/dp-controller.yaml | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index f2515af..c4a278f 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -81,6 +81,7 @@ properties:
data-lanes:
$ref: /schemas/types.yaml#/definitions/uint32-array
+ deprecated: true
minItems: 1
maxItems: 4
items:
@@ -104,6 +105,15 @@ properties:
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: Output endpoint of the controller
+ data-lanes:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 4
+
+ link-frequencies:
+ $ref: /schemas/types.yaml#/definitions/uint64-array
+ minItems: 1
+ maxItems: 4

There is an issue here. You are describing the properties beneath the port@1, while in reality they are found beneath the endpoint node. See analogix,anx7625.yaml for a proper example.

required:
- compatible
@@ -193,6 +203,9 @@ examples:
reg = <1>;
endpoint {
remote-endpoint = <&typec>;
+ data-lanes = <1 2>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000
+ 5400000000 8100000000>;
};
};
};

--
With best wishes
Dmitry