[PATCH v3 2/3] dt-bindings: display: panel: add fannal,c3004

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Added fannal to vendor-prefixes and dt bindings for Fannal C3004.
Fannal C3004 is a 480x800 MIPI DSI Panel which requires
DCS initialization sequences with certain delays between certain
commands.

Signed-off-by: Paulo Pavacic <pavacic.p@xxxxxxxxx>
---
v4 changelog:
  - add spaces between properties
v3 changelog:
  - renamed yml file
  - refactored yml file to describe fannal,c3004
  - added matrix URI to MAINTAINERS
v2 changelog:
  - revised driver title, now describes purpose
  - revised description, now describes hw
  - revised maintainers, now has only 1 mail
  - removed diacritics from commit/commit author
  - properties/compatible is now enum
  - compatible using only lowercase
  - revised dts example
  - modified MAINTAINERS in this commit (instead of driver commit)
  - dt_bindings_check checked yml
  - checkpatch warning fixed
---
 .../bindings/display/panel/fannal,c3004.yaml  | 78 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 84 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/fannal,c3004.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/fannal,c3004.yaml b/Documentation/devicetree/bindings/display/panel/fannal,c3004.yaml
new file mode 100644
index 000000000000..bbddb036094b
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/fannal,c3004.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/fannal,c3004.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Fannal C3004 MIPI-DSI
+
+maintainers:
+  - Paulo Pavacic <pavacic.p@xxxxxxxxx>
+
+description: |
+  Fannal C3004 is a 480x800 panel which requires DSI DCS
+  initialization sequences.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: fannal,c3004
+
+  reg: true
+
+  reset-gpios: true
+
+  vdd-supply:
+    description: power supply voltage
+
+  vddio-supply:
+    description: power supply voltage for IO
+
+  width-mm:
+    description: physical panel width [mm]
+
+  height-mm:
+    description: physical panel height [mm]
+
+  panel-timing: true
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        panel@0 {
+            compatible = "fannal,c3004";
+            reg = <0>;
+            pinctrl-0 = <&pinctrl_mipi_dsi_rst>;
+            pinctrl-names = "default";
+            reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&reg1>;
+            vddio-supply = <&reg2>;
+            width-mm = <93>;
+            height-mm = <56>;
+            panel-timing {
+                clock-frequency = <27000000>;
+                hactive = <480>;
+                vactive = <800>;
+                hfront-porch = <30>;
+                hback-porch = <30>;
+                hsync-len = <8>;
+                vback-porch = <30>;
+                vfront-porch = <30>;
+                vsync-len = <8>;
+            };
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 5c22c828ab46..4f4492d0f6c9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6427,6 +6427,12 @@ T:	git git://anongit.freedesktop.org/drm/drm-misc
 F:	Documentation/devicetree/bindings/display/panel/ebbg,ft8719.yaml
 F:	drivers/gpu/drm/panel/panel-ebbg-ft8719.c
 
+DRM DRIVER FOR FANNAL C3004373132019A
+M:	Paulo Pavacic <pavacic.p@xxxxxxxxx>
+S:	Maintained
+C:	matrix:r/linux-drm:matrix.org
+F:	Documentation/devicetree/bindings/display/panel/panel-fannal,c3004.yaml
+
 DRM DRIVER FOR FARADAY TVE200 TV ENCODER
 M:	Linus Walleij <linus.walleij@xxxxxxxxxx>
 S:	Maintained
-- 
2.40.1




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