[v5,1/2] dt-bindings: add binding for tft displays based on ilitek,ili9486
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Message ID 8938c7a53598db793bbcddf205dcf35bcc19a18e.1581270802.git.kamlesh.gurudasani@gmail.com
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  • Support for tft displays based on ilitek,ili9486
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Commit Message

Kamlesh Gurudasani Feb. 9, 2020, 6:06 p.m. UTC
This binding is for the tft displays based on ilitek,ili9486.
ozzmaker,piscreen and waveshare,rpi-lcd-35 are such displays

Signed-off-by: Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
---

v2 changes:
* Changing file from txt to yaml format
* removed ilitek,ili9486 from compatible string

v3 changes:
* no changes

v4 changes:
* no changes

v5 changes:
* made changes according to Sam Ravnborg's comment
  for making compatible part less complex
---
 .../bindings/display/ilitek,ili9486.yaml           | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9486.yaml

Comments

Sam Ravnborg Feb. 9, 2020, 7:49 p.m. UTC | #1
Hi Kamlesh.

On Sun, Feb 09, 2020 at 11:36:26PM +0530, Kamlesh Gurudasani wrote:
> This binding is for the tft displays based on ilitek,ili9486.
> ozzmaker,piscreen and waveshare,rpi-lcd-35 are such displays
> 
> Signed-off-by: Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
> ---
> 
> v2 changes:
> * Changing file from txt to yaml format
> * removed ilitek,ili9486 from compatible string
> 
> v3 changes:
> * no changes
> 
> v4 changes:
> * no changes
> 
> v5 changes:
> * made changes according to Sam Ravnborg's comment
>   for making compatible part less complex

Applied to drm-misc-next.
I assume waveshare and ozzmaker hits vendor-prefixes via some other
tree.
I had hoped we could use the license I suggested as this is default
for new bindings. But thats your call.

Sam


> ---
>  .../bindings/display/ilitek,ili9486.yaml           | 73 ++++++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml b/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
> new file mode 100644
> index 0000000..66e93e5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/ilitek,ili9486.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ilitek ILI9486 display panels device tree bindings
> +
> +maintainers:
> +  - Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
> +
> +description:
> +  This binding is for display panels using an Ilitek ILI9486 controller in SPI
> +  mode.
> +
> +allOf:
> +  - $ref: panel/panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          # Waveshare 3.5" 320x480 Color TFT LCD
> +        - waveshare,rpi-lcd-35
> +          # Ozzmaker 3.5" 320x480 Color TFT LCD
> +        - ozzmaker,piscreen
> +      - const: ilitek,ili9486
> +
> +  spi-max-frequency:
> +    maximum: 32000000
> +
> +  dc-gpios:
> +    maxItems: 1
> +    description: Display data/command selection (D/CX)
> +
> +  backlight: true
> +  reg: true
> +  reset-gpios: true
> +  rotation: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - dc-gpios
> +  - reset-gpios
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    backlight: backlight {
> +            compatible = "gpio-backlight";
> +            gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
> +    };
> +    spi {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +
> +            display@0{
> +                    compatible = "waveshare,rpi-lcd-35", "ilitek,ili9486";
> +                    reg = <0>;
> +                    spi-max-frequency = <32000000>;
> +                    dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
> +                    reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
> +                    rotation = <180>;
> +                    backlight = <&backlight>;
> +            };
> +    };
> +
> +...
> -- 
> 2.7.4

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml b/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
new file mode 100644
index 0000000..66e93e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
@@ -0,0 +1,73 @@ 
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/ilitek,ili9486.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ilitek ILI9486 display panels device tree bindings
+
+maintainers:
+  - Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
+
+description:
+  This binding is for display panels using an Ilitek ILI9486 controller in SPI
+  mode.
+
+allOf:
+  - $ref: panel/panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          # Waveshare 3.5" 320x480 Color TFT LCD
+        - waveshare,rpi-lcd-35
+          # Ozzmaker 3.5" 320x480 Color TFT LCD
+        - ozzmaker,piscreen
+      - const: ilitek,ili9486
+
+  spi-max-frequency:
+    maximum: 32000000
+
+  dc-gpios:
+    maxItems: 1
+    description: Display data/command selection (D/CX)
+
+  backlight: true
+  reg: true
+  reset-gpios: true
+  rotation: true
+
+required:
+  - compatible
+  - reg
+  - dc-gpios
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    backlight: backlight {
+            compatible = "gpio-backlight";
+            gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
+    };
+    spi {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+
+            display@0{
+                    compatible = "waveshare,rpi-lcd-35", "ilitek,ili9486";
+                    reg = <0>;
+                    spi-max-frequency = <32000000>;
+                    dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
+                    reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
+                    rotation = <180>;
+                    backlight = <&backlight>;
+            };
+    };
+
+...