[PATCH v2 1/3] dt-bindings: display: add Chipwealth CH1115 OLED Controller

From: Nicolás Antinori

Date: Fri Aug 21 2026 - 10:43:09 EST


Chipwealth CH1115 is a controller for monochrome dot matrix OLED panels.

Signed-off-by: Nicolás Antinori <nico.antinori.7@xxxxxxxxx>
---
NOTE: patch series based in kernel v7.2

.../bindings/display/chipwealth,ch1115.yaml | 89 +++++++++++++++++++
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
2 files changed, 91 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/chipwealth,ch1115.yaml

diff --git a/Documentation/devicetree/bindings/display/chipwealth,ch1115.yaml b/Documentation/devicetree/bindings/display/chipwealth,ch1115.yaml
new file mode 100644
index 000000000000..9d9c43722131
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/chipwealth,ch1115.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/chipwealth,ch1115.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Chipwealth CH1115 Display Controller
+
+maintainers:
+ - Nicolás Antinori <nico.antinori.7@xxxxxxxxx>
+
+description:
+ Chipwealth CH1115 is a controller for monochrome dot matrix OLED
+ panels.
+
+ https://datasheet4u.com/download/1576606/CH1115.html
+
+allOf:
+ - $ref: panel/panel-common.yaml#
+
+properties:
+ compatible:
+ const: chipwealth,ch1115
+
+ reg:
+ maxItems: 1
+
+ chipwealth,invert:
+ type: boolean
+ description:
+ Display pixels are inverted, i.e. 0 is white and 1 is black.
+
+ chipwealth,offset:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 63
+ description:
+ Display start line offset. Specifies the vertical alignment and row shift along the
+ Y-coordinate.
+
+ chipwealth,contrast:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description:
+ Panel contrast.
+
+ width-mm: true
+ height-mm: true
+ flip-horizontal: true
+ flip-vertical: true
+ panel-timing: true
+
+required:
+ - compatible
+ - reg
+ - width-mm
+ - height-mm
+ - panel-timing
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ display@3c {
+ compatible = "chipwealth,ch1115";
+ reg = <0x3c>;
+ width-mm = <12>;
+ height-mm = <8>;
+ chipwealth,contrast = <127>;
+ chipwealth,offset = <8>;
+ panel-timing {
+ clock-frequency = <0>;
+ hactive = <88>;
+ vactive = <48>;
+ hfront-porch = <0>;
+ hback-porch = <0>;
+ hsync-len = <0>;
+ vsync-len = <0>;
+ vfront-porch = <0>;
+ vback-porch = <0>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index d2ba67c4c8e0..1d158ac83ce9 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -325,6 +325,8 @@ patternProperties:
description: ChipOne
"^chipspark,.*":
description: ChipSPARK
+ "^chipwealth,.*":
+ description: Chip Wealth Technology, Ltd.
"^chongzhou,.*":
description: Shenzhen Chongzhou Electronic Technology Co., Ltd
"^chrontel,.*":
--
2.47.3