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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30dd2aa9118sm19336801fa.14.2025.04.01.23.12.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Apr 2025 23:12:40 -0700 (PDT) From: Marcus Folkesson Date: Wed, 02 Apr 2025 08:12:10 +0200 Subject: [PATCH 1/3] dt-bindings: st7571-i2c: Add Sitronix ST7571 panel bindings MIME-Version: 1.0 Message-Id: <20250402-st7571-v1-1-351d6b9eeb4a@gmail.com> References: <20250402-st7571-v1-0-351d6b9eeb4a@gmail.com> In-Reply-To: <20250402-st7571-v1-0-351d6b9eeb4a@gmail.com> To: David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2472; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=qYfHo2KQHvNKc0ra0XY4yHSyf5lMppizDiG5nIkJLrQ=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBn7NVH8bUZmUp+sDXnx+1m2Gbpsf0NJOj4/LoGp SQm5Bf40QiJAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCZ+zVRwAKCRCIgE5vWV1S MnfYD/9J49Orcaqbp7AXaRVq0lPTsokYkxYNLdJ/05TEhccGTRtZpDcgy3CtoMDFudImM9/+c6V 8p7q5yQLaoq4WVfes6wtYlrfZ/13wdGlTkfh5zxuaAvdYdL5zs3MJ2ustdg0j+HF65lWmoPrgET VMBbhQEUOIwZ+5+h3tLZDgNbPs+lB2FbRnCDxHK0AtB3sg53EHQjMXBZgF2fn9Rggilcuno4WPW XvFrs51gq4gNMqkp3yn9txSMAuIlOjuev/fmFiQRNV514VRqz7VbT5ni3TLed3D+fw8npOYOLqj +vIXk1+a8ZuzS5LOzf20+Swrc2Kj9yrGVhW+7oyfCWBbdQ14QPIQrfrtHhmdMFPUvxQFmR87Eyl H/DXyvKKCSM3SlcWJBjzuYyOT+CdfALX64N0CdTnPKQBt8Yx9VNFyQ+y6UEEG6fODQqSaZXrSWx HlKVwEQFerc7JFyr4zA6N2PL0e87FrY4RW6pSzwTqIVaT5RqSmIX2qJaXShR8uaA5c0RDbhMsNI ncYga/CEXV9k3LJCxl/jMkE1Ga/SK7FsAd9YnkVLqe000He1Qa40E2qBhnvcvCmYAmyL+Mr7OwG zdKjqVZ1FzEux9Jlj+iXO8sPOeLc6NPu9SGdPpBnN2QO9SZcJEeFqno3nTin/N5JA9osXUjmXsw GeAf8A21a35u8mA== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 X-Mailman-Approved-At: Wed, 02 Apr 2025 07:23:36 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Sitronix ST7571 is a 4bit gray scale dot matrix LCD controller. The controller has a SPI, I2C and 8bit parallel interface, this is for the I2C interface only. Signed-off-by: Marcus Folkesson --- .../bindings/display/sitronix,st7571-i2c.yaml | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/Documentation/devicetree/bindings/display/sitronix,st7571-i2c.yaml b/Documentation/devicetree/bindings/display/sitronix,st7571-i2c.yaml new file mode 100644 index 0000000000000000000000000000000000000000..6e5e0994a98db646a37bb17c4289332546c9266e --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7571-i2c.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7571-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7571 Display Panels + +maintainers: + - Marcus Folkesson + +properties: + compatible: + const: sitronix,st7571-i2c + + reg: + description: I2C address of the LCD controller + maxItems: 1 + + sitronix,panel-width-mm: + description: physical panel width [mm] + + sitronix,panel-height-mm: + description: physical panel height [mm] + + sitronix,panel-nlines: + description: Number of lines in the panel + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 128 + default: 128 + + sitronix,panel-start-line: + description: Start line of the panel + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 127 + default: 0 + + reset-gpios: + description: GPIO connected to the RST_N signal. + maxItems: 1 + +required: + - compatible + - reg + - reset-gpios + - sitronix,panel-width-mm + - sitronix,panel-height-mm + +additionalProperties: false + +examples: + - | + #include + # + i2c { + #address-cells = <1>; + #size-cells = <0>; + + display@3f { + compatible = "sitronix,st7571-i2c"; + reg = <0x3f>; + + reset-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; + sitronix,panel-width-mm = <37>; + sitronix,panel-height-mm = <27>; + sitronix,panel-nlines = <96>; + sitronix,panel-start-line = <0>; + }; + };