[PATCH v3 6/6] dt-bindings: display: Add SSD132x OLED controllers

From: Javier Martinez Canillas
Date: Thu Oct 12 2023 - 17:40:30 EST


Add a Device Tree binding schema for the OLED panels based on the Solomon
SSD132x family of controllers.

Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---

Changes in v3:
- Add Rob Herring's Reviewed-by tag to patch #6.

Changes in v2:
- Remove unnecessary 'oneOf' in the SSD132x DT binding schema (Conor Dooley).
- Remove unused DT nodes labels in the binding schema examples (Conor Dooley).
- Split out common Solomon properties into a separate schema (Rob Herring).

.../bindings/display/solomon,ssd132x.yaml | 89 +++++++++++++++++++
MAINTAINERS | 2 +-
2 files changed, 90 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/display/solomon,ssd132x.yaml

diff --git a/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml
new file mode 100644
index 000000000000..0aa41bd9ddca
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/solomon,ssd132x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Solomon SSD132x OLED Display Controllers
+
+maintainers:
+ - Javier Martinez Canillas <javierm@xxxxxxxxxx>
+
+properties:
+ compatible:
+ - enum:
+ - solomon,ssd1322
+ - solomon,ssd1325
+ - solomon,ssd1327
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: solomon,ssd-common.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: solomon,ssd1322
+ then:
+ properties:
+ width:
+ default: 480
+ height:
+ default: 128
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: solomon,ssd1325
+ then:
+ properties:
+ width:
+ default: 128
+ height:
+ default: 80
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: solomon,ssd1327
+ then:
+ properties:
+ width:
+ default: 128
+ height:
+ default: 128
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oled@3c {
+ compatible = "solomon,ssd1327";
+ reg = <0x3c>;
+ reset-gpios = <&gpio2 7>;
+ };
+
+ };
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oled@0 {
+ compatible = "solomon,ssd1327";
+ reg = <0x0>;
+ reset-gpios = <&gpio2 7>;
+ dc-gpios = <&gpio2 8>;
+ spi-max-frequency = <10000000>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 4a3baf970839..5257e0074f2b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6733,7 +6733,7 @@ M: Javier Martinez Canillas <javierm@xxxxxxxxxx>
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/solomon,ssd-common.yaml
-F: Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
+F: Documentation/devicetree/bindings/display/solomon,ssd13*.yaml
F: drivers/gpu/drm/solomon/ssd130x*

DRM DRIVER FOR ST-ERICSSON MCDE
--
2.41.0