linux-kernel - [PATCH 1/2] dt-bindings: drm/bridge: Add no-hpd property

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Message-ID: <20230316140823.234263-2-j-choudhary@ti.com>
Date:   Thu, 16 Mar 2023 19:38:22 +0530
From:   Jayesh Choudhary <j-choudhary@...com>
To:     <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <andrzej.hajda@...el.com>, <neil.armstrong@...aro.org>,
        <rfoss@...nel.org>, <Laurent.pinchart@...asonboard.com>,
        <jonas@...boo.se>, <jernej.skrabec@...il.com>, <airlied@...il.com>,
        <daniel@...ll.ch>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <sam@...nborg.org>,
        <jani.nikula@...el.com>, <tzimmermann@...e.de>,
        <javierm@...hat.com>, <ville.syrjala@...ux.intel.com>,
        <r-ravikumar@...com>, <lyude@...hat.com>,
        <alexander.deucher@....com>, <sjakhade@...ence.com>,
        <yamonkar@...ence.com>, <j-choudhary@...com>
Subject: [PATCH 1/2] dt-bindings: drm/bridge: Add no-hpd property

From: Rahul T R <r-ravikumar@...com>

Add no-hpd property to the bindings, to disable
hpd when not connected or unusable

Signed-off-by: Rahul T R <r-ravikumar@...com>
Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
---
 .../devicetree/bindings/display/bridge/cdns,mhdp8546.yaml   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
index b2e8bc6da9d0..69d381195218 100644
--- a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
@@ -57,6 +57,12 @@ properties:
   interrupts:
     maxItems: 1
 
+  cdns,no-hpd:
+    type: boolean
+    description:
+      Set if the HPD line on the bridge isn't hooked up to anything or is
+      otherwise unusable.
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
-- 
2.25.1