[PATCH v8 0/2] Add support for rm69299 Visionox panel driver and add devicetree bindings for visionox panel

[PATCH v8 0/2] Add support for rm69299 Visionox panel driver and add devicetree bindings for visionox panel

[Harigovindan P]

Adding support for visionox rm69299 panel driver and adding bindings for the same panel.

Harigovindan P (2):
  dt-bindings: display: add visionox rm69299 panel variant
  drm/panel: add support for rm69299 visionox panel driver

 .../display/panel/visionox,rm69299.yaml       |  73 +++++
 drivers/gpu/drm/panel/Kconfig                 |   8 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 .../gpu/drm/panel/panel-visionox-rm69299.c    | 295 ++++++++++++++++++
 4 files changed, 377 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
 create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c

-- 
2.25.1

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[PATCH v8 1/2] dt-bindings: display: add visionox rm69299 panel variant

[Harigovindan P]

Add bindings for visionox rm69299 panel.

Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
---

Changes in v2:
    - Removed unwanted properties from description.
    - Creating source files without execute permissions(Rob Herring).
Changes in v3:
    - Changing txt file into yaml
Changes in v4:
    - Updating license identifier.
    - Moving yaml file inside panel directory.
    - Removing pinctrl entries.
    - Adding documentation for reset-gpios.
Changes in v5:
    - No changes. Updated 2/2 Patch.
Changes in v6:
    - Removing patternProperties.
    - Added " |" after description.
    - Setting port and reset-gpios to true.
    - Removing @ae94000 for dsi node.
Changes in v7:
    - Added reg property.
Changes in v8:
    - Rearranged additionalProperties.
    - Dropping improper reg property.

 .../display/panel/visionox,rm69299.yaml       | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
new file mode 100644
index 000000000000..5fd277602a66
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/visionox,rm69299.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Visionox model RM69299 Panels Device Tree Bindings.
+
+maintainers:
+ - Harigovindan P <harigovi@codeaurora.org>
+
+description: |
+ This binding is for display panels using a Visionox RM692999 panel.
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: visionox,rm69299-1080p-display
+
+  reg:
+    maxItems: 1
+
+  vdda-supply:
+    description: |
+      Phandle of the regulator that provides the vdda supply voltage.
+
+  vdd3p3-supply:
+    description: |
+      Phandle of the regulator that provides the vdd3p3 supply voltage.
+
+  ports:
+    type: object
+    description: |
+      A node containing DSI input & output port nodes with endpoint
+      definitions as documented in
+      Documentation/devicetree/bindings/media/video-interfaces.txt
+      Documentation/devicetree/bindings/graph.txt
+      properties:
+        port: true
+
+  reset-gpios: true
+
+additionalProperties: false
+
+required:
+  - compatible
+  - vdda-supply
+  - vdd3p3-supply
+  - reset-gpios
+
+examples:
+  - |
+    panel {
+        compatible = "visionox,rm69299-1080p-display";
+
+        vdda-supply = <&src_pp1800_l8c>;
+        vdd3p3-supply = <&src_pp2800_l18a>;
+
+        reset-gpios = <&pm6150l_gpio 3 0>;
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            port@0 {
+                reg = <0>;
+                panel0_in: endpoint {
+                    remote-endpoint = <&dsi0_out>;
+                };
+            };
+        };
+    };
+...
-- 
2.25.1

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Re: [PATCH v8 1/2] dt-bindings: display: add visionox rm69299 panel variant

[Rob Herring]

On Fri, Mar 20, 2020 at 11:14:08AM +0530, Harigovindan P wrote:
> Add bindings for visionox rm69299 panel.
> 
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> ---
> 
> Changes in v2:
>     - Removed unwanted properties from description.
>     - Creating source files without execute permissions(Rob Herring).
> Changes in v3:
>     - Changing txt file into yaml
> Changes in v4:
>     - Updating license identifier.
>     - Moving yaml file inside panel directory.
>     - Removing pinctrl entries.
>     - Adding documentation for reset-gpios.
> Changes in v5:
>     - No changes. Updated 2/2 Patch.
> Changes in v6:
>     - Removing patternProperties.
>     - Added " |" after description.
>     - Setting port and reset-gpios to true.
>     - Removing @ae94000 for dsi node.
> Changes in v7:
>     - Added reg property.
> Changes in v8:
>     - Rearranged additionalProperties.

Still not right...

>     - Dropping improper reg property.
> 
>  .../display/panel/visionox,rm69299.yaml       | 73 +++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> new file mode 100644
> index 000000000000..5fd277602a66
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/visionox,rm69299.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Visionox model RM69299 Panels Device Tree Bindings.
> +
> +maintainers:
> + - Harigovindan P <harigovi@codeaurora.org>
> +
> +description: |
> + This binding is for display panels using a Visionox RM692999 panel.
> +
> +allOf:
> + - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: visionox,rm69299-1080p-display
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdda-supply:
> +    description: |
> +      Phandle of the regulator that provides the vdda supply voltage.
> +
> +  vdd3p3-supply:
> +    description: |
> +      Phandle of the regulator that provides the vdd3p3 supply voltage.
> +
> +  ports:
> +    type: object
> +    description: |
> +      A node containing DSI input & output port nodes with endpoint
> +      definitions as documented in
> +      Documentation/devicetree/bindings/media/video-interfaces.txt
> +      Documentation/devicetree/bindings/graph.txt
> +      properties:
> +        port: true

This is not taking effect because it's just description. You need to 
indent 2 fewer spaces.

'port' is not equal to 'port@0' which the example has. So fix the 
example.

And you need to add 'additionalProperties: false' here at the same level 
as 'properties'.

> +
> +  reset-gpios: true
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - vdda-supply
> +  - vdd3p3-supply
> +  - reset-gpios
> +
> +examples:
> +  - |
> +    panel {
> +        compatible = "visionox,rm69299-1080p-display";
> +
> +        vdda-supply = <&src_pp1800_l8c>;
> +        vdd3p3-supply = <&src_pp2800_l18a>;
> +
> +        reset-gpios = <&pm6150l_gpio 3 0>;
> +        ports {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            port@0 {
> +                reg = <0>;
> +                panel0_in: endpoint {
> +                    remote-endpoint = <&dsi0_out>;
> +                };
> +            };
> +        };
> +    };
> +...
> -- 
> 2.25.1
> 
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