linux-kernel - [PATCH 1/2] dt-bindings: display: Add SSD133x OLED controllers

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Message-ID: <20231217100741.1943932-2-javierm@redhat.com>
Date: Sun, 17 Dec 2023 11:07:03 +0100
From: Javier Martinez Canillas <javierm@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Peter Robinson <pbrobinson@...il.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Javier Martinez Canillas <javierm@...hat.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Daniel Vetter <daniel@...ll.ch>,
	David Airlie <airlied@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Rob Herring <robh+dt@...nel.org>,
	devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH 1/2] dt-bindings: display: Add SSD133x OLED controllers

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@...hat.com>
---

 .../bindings/display/solomon,ssd133x.yaml     | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/solomon,ssd133x.yaml

diff --git a/Documentation/devicetree/bindings/display/solomon,ssd133x.yaml b/Documentation/devicetree/bindings/display/solomon,ssd133x.yaml
new file mode 100644
index 000000000000..eee8d8c9ca35
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/solomon,ssd133x.yaml
@@ -0,0 +1,63 @@
+# 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@...hat.com>
+
+properties:
+  compatible:
+    enum:
+      - solomon,ssd1331
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: solomon,ssd-common.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: solomon,ssd1331
+    then:
+      properties:
+        width:
+          default: 96
+        height:
+          default: 64
+
+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>;
+            };
+    };
-- 
2.43.0