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authorLiangCheng Wang <zaq14760@gmail.com>2025-09-02 14:53:19 +0800
committerThomas Zimmermann <tzimmermann@suse.de>2025-09-05 14:53:06 +0200
commitd309c5fdf4a795e587f1852e2caf7f205c1bdffc (patch)
tree8889f90ba878af3c220d607dcd6696273e091fb6
parent09b26dce32f0d3065e6cfbc1095fc21fd5159921 (diff)
dt-bindings: display: Add Mayqueen Pixpaper e-ink panel
The binding is for the Mayqueen Pixpaper e-ink display panel, controlled via an SPI interface. Signed-off-by: LiangCheng Wang <zaq14760@gmail.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://lore.kernel.org/r/20250902-drm-v5-2-d77c678c4ae3@gmail.com
-rw-r--r--Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml63
1 files changed, 63 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml b/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml
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index 000000000000..cd27f8ba5ae1
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+++ b/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/mayqueen,pixpaper.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mayqueen Pixpaper e-ink display panel
+
+maintainers:
+ - LiangCheng Wang <zaq14760@gmail.com>
+
+description:
+ The Pixpaper is an e-ink display panel controlled via an SPI interface.
+ The panel has a resolution of 122x250 pixels and requires GPIO pins for
+ reset, busy, and data/command control.
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+ compatible:
+ const: mayqueen,pixpaper
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency:
+ maximum: 1000000
+ default: 1000000
+
+ reset-gpios:
+ maxItems: 1
+
+ busy-gpios:
+ maxItems: 1
+
+ dc-gpios:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reset-gpios
+ - busy-gpios
+ - dc-gpios
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ display@0 {
+ compatible = "mayqueen,pixpaper";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ reset-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+ busy-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
+ dc-gpios = <&gpio1 19 GPIO_ACTIVE_HIGH>;
+ };
+ };