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[211.23.39.77]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-76bcce89125sm11990006b3a.33.2025.08.04.22.40.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Aug 2025 22:40:16 -0700 (PDT) From: LiangCheng Wang Date: Tue, 05 Aug 2025 13:40:06 +0800 Subject: [PATCH v4 2/3] dt-bindings: display: Add Mayqueen Pixpaper e-ink panel Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250805-drm-v4-2-94eaec01598d@gmail.com> References: <20250805-drm-v4-0-94eaec01598d@gmail.com> In-Reply-To: <20250805-drm-v4-0-94eaec01598d@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Wig Cheng , LiangCheng Wang Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1754372406; l=2161; i=zaq14760@gmail.com; h=from:subject:message-id; bh=P5/2XPz98ClkoAoXRMzbxKUyEvZuY8O/vm7ocp5NTgI=; b=bydnScpLvOmaxiT2z0GD7P/I1czPiTf65vXBRiX2YCmAZ026JcJNevRr5dNNqMRRWb/dkQLRE JY1RBhze6dlBboi1J1gLqya4L1GFxXDZ1TrokUHubQdKfyG28mB9Rfg X-Developer-Key: i=zaq14760@gmail.com; a=ed25519; pk=5IaLhzvMqasgGPT47dsa8HEpfb0/Dv2BZC0TzSLj6E0= The binding is for the Mayqueen Pixpaper e-ink display panel, controlled via an SPI interface. Signed-off-by: LiangCheng Wang Reviewed-by: Rob Herring (Arm) --- .../bindings/display/mayqueen,pixpaper.yaml | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml b/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml new file mode 100644 index 0000000000000000000000000000000000000000..cd27f8ba5ae1d94660818525b5fa71db98c8acb7 --- /dev/null +++ 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 + +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 + 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>; + }; + }; -- 2.34.1