linux-kernel - [RFC PATCH v5 2/6] dt-bindings: display: ti: am65x-dss: Add new port for am625-dss

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Date:   Wed, 28 Sep 2022 23:22:19 +0530
From:   Aradhya Bhatia <a-bhatia1@...com>
To:     Tomi Valkeinen <tomba@...nel.org>, Jyri Sarha <jyri.sarha@....fi>,
        Rob Herring <robh+dt@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Rahul T R <r-ravikumar@...com>,
        DRI Development List <dri-devel@...ts.freedesktop.org>,
        Devicetree List <devicetree@...r.kernel.org>,
        Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH v5 2/6] dt-bindings: display: ti: am65x-dss: Add new port for am625-dss

Add 3rd "port" property for am625-dss.
This port represents the output from the 2nd OLDI TX (OLDI TX 1) latched
onto the first video port (VP0) from the DSS controller on AM625 SOC.

Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
---
 .../bindings/display/ti/ti,am65x-dss.yaml      | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
index 6bbce921479d..99576c6ec108 100644
--- a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
+++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
@@ -82,13 +82,18 @@ properties:
       port@0:
         $ref: /schemas/graph.yaml#/properties/port
         description:
-          The DSS OLDI output port node form video port 1
+          The DSS OLDI output port node form video port 1 (OLDI TX 0).
 
       port@1:
         $ref: /schemas/graph.yaml#/properties/port
         description:
           The DSS DPI output port node from video port 2
 
+      port@2:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          The DSS OLDI output port node form video port 1 (OLDI TX 1).
+
   ti,am65x-oldi-io-ctrl:
     $ref: "/schemas/types.yaml#/definitions/phandle"
     description:
@@ -104,6 +109,17 @@ properties:
       Input memory (from main memory to dispc) bandwidth limit in
       bytes per second
 
+if:
+  properties:
+    compatible:
+      contains:
+        const: ti,am65x-dss
+then:
+  properties:
+    ports:
+      properties:
+        port@2: false
+
 required:
   - compatible
   - reg
-- 
2.37.0