[PATCH v9 0/2] Add support for rm69299 Visionox panel driver and add devicetree bindings for visionox panel

[PATCH v9 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       |  82 +++++
 drivers/gpu/drm/panel/Kconfig                 |   8 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 .../gpu/drm/panel/panel-visionox-rm69299.c    | 295 ++++++++++++++++++
 4 files changed, 386 insertions(+)
 create mode 100755 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 v9 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.
Changes in v9:
    - Adding additionalProperties at the same level as
      'properties'
    - Adding properties for "ports" which includes:
      -> #address-cells
      -> #size-cells
      -> port@0

 .../display/panel/visionox,rm69299.yaml       | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100755 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 100755
index 000000000000..2dd4d9471fa8
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
@@ -0,0 +1,82 @@
+# 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 ports node with endpoint definitions as defined in
+      Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+    properties:
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
+      port@0:
+        type: object
+        description: |
+          Input endpoints of the controller.
+
+  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 v9 1/2] dt-bindings: display: add visionox rm69299 panel variant

[Rob Herring]

On Mon, Mar 23, 2020 at 10:33:15AM +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.
>     - Dropping improper reg property.
> Changes in v9:
>     - Adding additionalProperties at the same level as
>       'properties'
>     - Adding properties for "ports" which includes:
>       -> #address-cells
>       -> #size-cells
>       -> port@0
> 
>  .../display/panel/visionox,rm69299.yaml       | 82 +++++++++++++++++++
>  1 file changed, 82 insertions(+)
>  create mode 100755 Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml

Wrong file mode.

> 
> diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> new file mode 100755
> index 000000000000..2dd4d9471fa8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> @@ -0,0 +1,82 @@
> +# 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 ports node with endpoint definitions as defined in
> +      Documentation/devicetree/bindings/media/video-interfaces.txt.
> +
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +      port@0:

As I said before, fix the example. You don't need 'ports' nor a unit 
address as there is only 1 port.

All you need instead of 'ports' is 'port: true' because 
panel-common.yaml defines it.

And 'port' should be required.

> +        type: object
> +        description: |
> +          Input endpoints of the controller.
> +
> +  reset-gpios: true
> +
> +  additionalProperties: false

You are defining a property called 'additionalProperties'. Remove the 
indentation.

> +
> +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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