[v4,3/4] dt-bindings: display: Add SSD133x OLED controllers
Commit Message
Add a Device Tree binding schema for the OLED panels based on the
Solomon SSD133x family of controllers.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
(no changes since v3)
Changes in v3:
- Move solomon,ssd-common.yaml ref before the properties section and
width/height constraints after the other properties (Conor Dooley).
Changes in v2:
- Unconditionally set the width and height constraints (Conor Dooley).
- Fix indentation in the DTS examples (Krzysztof Kozlowski).
.../bindings/display/solomon,ssd133x.yaml | 57 +++++++++++++++++++
1 file changed, 57 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/solomon,ssd133x.yaml
new file mode 100644
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/solomon,ssd133x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Solomon SSD133x OLED Display Controllers
+
+maintainers:
+ - Javier Martinez Canillas <javierm@redhat.com>
+
+allOf:
+ - $ref: solomon,ssd-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - solomon,ssd1331
+
+ solomon,width:
+ default: 96
+
+ solomon,height:
+ default: 64
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oled@3c {
+ compatible = "solomon,ssd1331";
+ reg = <0x3c>;
+ reset-gpios = <&gpio2 7>;
+ };
+
+ };
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oled@0 {
+ compatible = "solomon,ssd1331";
+ reg = <0x0>;
+ reset-gpios = <&gpio2 7>;
+ dc-gpios = <&gpio2 8>;
+ spi-max-frequency = <10000000>;
+ };
+ };