linux-kernel - [RFC PATCH v1 3/3] dt-binding: display: Require two rests on mantix panel

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Date:   Mon, 21 Sep 2020 18:55:52 +0200
From:   Guido Günther <agx@...xcpu.org>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH v1 3/3] dt-binding: display: Require two rests on mantix panel

We need to reset both for the panel to show an image.

Signed-off-by: Guido Günther <agx@...xcpu.org>
---
 .../bindings/display/panel/mantix,mlaf057we51-x.yaml       | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml b/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml
index 937323cc9aaa..ba5a18fac9f9 100644
--- a/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml
+++ b/Documentation/devicetree/bindings/display/panel/mantix,mlaf057we51-x.yaml
@@ -35,7 +35,9 @@ properties:
   vddi-supply:
     description: 1.8V I/O voltage supply
 
-  reset-gpios: true
+  reset-gpios:
+    minItems: 2
+    maxItems: 2
 
   backlight: true
 
@@ -62,7 +64,8 @@ examples:
             avdd-supply = <&reg_avdd>;
             avee-supply = <&reg_avee>;
             vddi-supply = <&reg_1v8_p>;
-            reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
+            reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>,
+                          <&gpio1 24 GPIO_ACTIVE_LOW>;
             backlight = <&backlight>;
         };
     };
-- 
2.26.2