Re: [PATCH v2] dt-bindings: display: panel: add panel-mipi-dsi-bringup

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> So, the driver has to be panel-fannal-c3004.c and binding to be fannal,c3004.yaml.

I believe I have covered this and all the other problems in following
patch which I will submit as a V3 of the conversation in a patchset
together with a driver:

Add dt-bindings documentation for panel-mipi-dsi-bringup which currently
supports fannal,c3004 panel. Also added fannal to vendor-prefixes.

Signed-off-by: Paulo Pavacic <pavacic.p@xxxxxxxxx>
---
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  | 74 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 MAINTAINERS                                   |  6 ++
 3 files changed, 82 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..c2eea0fa8418
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/fannal,c3004.yaml
@@ -0,0 +1,74 @@
+# 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 C3004373132019A MIPI-DSI
+
+maintainers:
+  - Paulo Pavacic <pavacic.p@xxxxxxxxx>
+
+description: |
+  Fannal C3004373132019A is a 480x800 panel which requires DSI DCS
+  initialization sequences.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: fannal,c3004
+
+  port: true
+  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]
+
+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/Documentation/devicetree/bindings/vendor-prefixes.yaml
b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 82d39ab0231b..f962750f630a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -462,6 +462,8 @@ patternProperties:
     description: Facebook
   "^fairphone,.*":
     description: Fairphone B.V.
+  "^fannal,.*":
+    description: Fannal Electronics Co., Ltd
   "^faraday,.*":
     description: Faraday Technology Corporation
   "^fastrax,.*":
diff --git a/MAINTAINERS b/MAINTAINERS
index e0ad886d3163..75879341dd0b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6566,6 +6566,12 @@ T:    git git://anongit.freedesktop.org/drm/drm-misc
 F:    Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml
 F:    drivers/gpu/drm/tiny/panel-mipi-dbi.c

+DRM DRIVER FOR MIPI DSI BRINGUP
+M:    Paulo Pavacic <pavacic.p@xxxxxxxxx>
+S:    Maintained
+C:    matrix:r/mipi-dsi-bringup:matrix.org
+F:    Documentation/devicetree/bindings/display/panel/panel-fannal,c3004.yaml
+
 DRM DRIVER FOR MSM ADRENO GPU
 M:    Rob Clark <robdclark@xxxxxxxxx>
 M:    Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
-- 
2.40.1

Best regards,
Paulo



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