[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20221013105116.180380-2-allen.chen@ite.com.tw>
Date: Thu, 13 Oct 2022 18:51:13 +0800
From: allen <allen.chen@....com.tw>
To: unlisted-recipients:; (no To-header on input)
CC: Allen Chen <allen.chen@....com.tw>,
Pin-yen Lin <treapking@...omium.org>,
Jau-Chih Tseng <Jau-Chih.Tseng@....com.tw>,
Kenneth Hung <Kenneth.Hung@....com.tw>,
Hermes Wu <Hermes.Wu@....com.tw>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Neil Armstrong <narmstrong@...libre.com>,
Robert Foss <robert.foss@...aro.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...il.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
"open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 1/2] dt-bindings: it6505: add properties to restrict output bandwidth
From: allen chen <allen.chen@....com.tw>
Add properties to restrict dp output data-lanes and clock.
Signed-off-by: Pin-Yen Lin <treapking@...omium.org>
Signed-off-by: Allen Chen <allen.chen@....com.tw>
---
.../bindings/display/bridge/ite,it6505.yaml | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
index 833d11b2303a7..f2c3d1d10359e 100644
--- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -52,10 +52,51 @@ properties:
maxItems: 1
description: extcon specifier for the Power Delivery
+ 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.
+
port:
$ref: /schemas/graph.yaml#/properties/port
description: A port node pointing to DPI host port node
+ properties:
+ endpoint:
+ $ref: /schemas/graph.yaml#/$defs/endpoint-base
+
+ properties:
+ link-frequencies:
+ minItems: 1
+ maxItems: 1
+ description: Allowed max link frequencies in Hz.
+
required:
- compatible
- ovdd-supply
@@ -84,10 +125,12 @@ examples:
pwr18-supply = <&it6505_pp18_reg>;
reset-gpios = <&pio 179 1>;
extcon = <&usbc_extcon>;
+ data-lanes = <0 1>;
port {
it6505_in: endpoint {
remote-endpoint = <&dpi_out>;
+ link-frequencies = /bits/ 64 <150000000>;
};
};
};
--
2.25.1
Powered by blists - more mailing lists