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[211.23.39.77]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-237d86ef84fsm6969405ad.216.2025.06.19.20.53.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Jun 2025 20:53:20 -0700 (PDT) From: lcwang X-Google-Original-From: lcwang To: conor@kernel.org Cc: drm@lists.freedesktop.org, devicetree@vger.kernel.org, noralf@tronnes.org, robh+dt@kernel.org, krzk@kernel.org, zaq14760@gmail.com, onlywig@gmail.com, cip-dev@lists.cip-project.org Subject: [PATCH 3/3] dt-bindings: display: Add Mayqueen Pixpaper e-ink panel Date: Fri, 20 Jun 2025 11:53:10 +0800 Message-Id: <20250620035310.735055-2-lcwang@ieiworld.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250620035310.735055-1-lcwang@ieiworld.com> References: <20250619-earlobe-skiing-25605816a861@spud> <20250620035310.735055-1-lcwang@ieiworld.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: LiangCheng Wang The binding is for the Mayqueen Pixpaper e-ink display panel, controlled via an SPI interface. Changes in v2: - Corrected capitalization in the title. - Removed unnecessary '|' from description. - Removed redundant description lines for standard properties - Added 'maximum: 1000000' for spi-max-frequency property definition - Changed 'additionalProperties: false' to 'unevaluatedProperties: false'. Signed-off-by: LiangCheng Wang --- .../bindings/display/mayqueen,pixpaper.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml diff --git a/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml b/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml new file mode 100644 index 000000000000..cd27f8ba5ae1 --- /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