[v1] Add Samsung S6D7AA0 panel controller driver

[PATCH 1/3] dt-bindings: panel: Add Samsung S6D7AA0 LCD controller bindings

Posted by Artur Weber 2 years, 8 months ago

Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
---
 .../display/panel/samsung,s6d7aa0.yaml        | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
new file mode 100644
index 000000000000..969cef7738b8
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,s6d7aa0.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S6D7AA0 MIPI-DSI LCD panel controller
+
+maintainers:
+  - Artur Weber <aweber.kernel@gmail.com>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: samsung,s6d7aa0-lsl080al02
+
+  reg: true
+  reset-gpios: true
+  backlight: true
+
+  enable-supply:
+    description: Enable supply
+
+required:
+  - compatible
+  - reset-gpios
+  - enable-supply
+  - backlight
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "samsung,s6d7aa0-lsl080al02";
+            reg = <0>;
+            enable-supply = <&lcd_enable_supply>;
+            reset-gpios = <&gpf0 4 GPIO_ACTIVE_LOW>;
+            backlight = <&backlight>;
+        };
+    };
+
+...
-- 
2.40.0

Re: [PATCH 1/3] dt-bindings: panel: Add Samsung S6D7AA0 LCD controller bindings

Posted by Rob Herring 2 years, 8 months ago

On Sun, Apr 16, 2023 at 12:01:37PM +0200, Artur Weber wrote:
> Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
> ---
>  .../display/panel/samsung,s6d7aa0.yaml        | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> new file mode 100644
> index 000000000000..969cef7738b8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/samsung,s6d7aa0.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung S6D7AA0 MIPI-DSI LCD panel controller
> +
> +maintainers:
> +  - Artur Weber <aweber.kernel@gmail.com>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: samsung,s6d7aa0-lsl080al02
> +
> +  reg: true
> +  reset-gpios: true
> +  backlight: true
> +
> +  enable-supply:
> +    description: Enable supply

If there's only a single supply, then why not use panel-simple-dsi.yaml?

> +
> +required:
> +  - compatible
> +  - reset-gpios
> +  - enable-supply
> +  - backlight
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "samsung,s6d7aa0-lsl080al02";
> +            reg = <0>;
> +            enable-supply = <&lcd_enable_supply>;
> +            reset-gpios = <&gpf0 4 GPIO_ACTIVE_LOW>;
> +            backlight = <&backlight>;
> +        };
> +    };
> +
> +...
> -- 
> 2.40.0
>

Re: [PATCH 1/3] dt-bindings: panel: Add Samsung S6D7AA0 LCD controller bindings

Posted by Krzysztof Kozlowski 2 years, 8 months ago

On 16/04/2023 12:01, Artur Weber wrote:
> Signed-off-by: Artur Weber <aweber.kernel@gmail.com>

Missing commit msg.

Subject: drop second/last, redundant "bindings". The "dt-bindings"
prefix is already stating that these are bindings.


> ---
>  .../display/panel/samsung,s6d7aa0.yaml        | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> new file mode 100644
> index 000000000000..969cef7738b8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/samsung,s6d7aa0.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung S6D7AA0 MIPI-DSI LCD panel controller
> +
> +maintainers:
> +  - Artur Weber <aweber.kernel@gmail.com>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: samsung,s6d7aa0-lsl080al02
> +
> +  reg: true
> +  reset-gpios: true
> +  backlight: true
> +
> +  enable-supply:
> +    description: Enable supply
> +
> +required:
> +  - compatible

reg?

> +  - reset-gpios> +  - enable-supply
> +  - backlight

keep the same order as they appear in properties.

> +
> +additionalProperties: false
> +

Best regards,
Krzysztof