linux-kernel - [PATCH 1/6] dt-bindings: display: Document NewVision NV3052C DT node

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Date:   Mon, 27 Jul 2020 18:46:08 +0200
From:   Paul Cercueil <paul@...pouillou.net>
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>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Noralf Trønnes <noralf@...nnes.org>
Cc:     od@...c.me, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH 1/6] dt-bindings: display: Document NewVision NV3052C DT node

Add documentation for the Device Tree node for LCD panels based on the
NewVision NV3052C controller.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 .../display/panel/newvision,nv3052c.yaml      | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml b/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml
new file mode 100644
index 000000000000..751a28800fc2
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/newvision,nv3052c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NewVision NV3052C TFT LCD panel driver with SPI control bus
+
+maintainers:
+  - Paul Cercueil <paul@...pouillou.net>
+
+description: |
+  This is a driver for 320x240 TFT panels, accepting a variety of input
+  streams that get adapted and scaled to the panel. The panel output has
+  960 TFT source driver pins and 240 TFT gate driver pins, VCOM, VCOML and
+  VCOMH outputs.
+
+  The panel must obey the rules for a SPI slave device as specified in
+  spi/spi-controller.yaml
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+        - leadtek,ltk035c5444t-spi
+
+      - const: newvision,nv3052c
+
+  reg:
+    maxItems: 1
+
+  reset-gpios: true
+  port: true
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      display@0 {
+        compatible = "leadtek,ltk035c5444t-spi", "newvision,nv3052c";
+        reg = <0>;
+
+        spi-max-frequency = <15000000>;
+        spi-3wire;
+        reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
+        backlight = <&backlight>;
+        power-supply = <&vcc>;
+
+        port {
+          panel_input: endpoint {
+              remote-endpoint = <&panel_output>;
+          };
+        };
+      };
+    };
+
+...
-- 
2.27.0