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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54d3d238820sm1325471e87.80.2025.04.14.22.59.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 22:59:23 -0700 (PDT) From: Marcus Folkesson Date: Tue, 15 Apr 2025 07:58:58 +0200 Subject: [PATCH v4 1/3] dt-bindings: display: Add Sitronix ST7571 LCD Controller Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250415-st7571-v4-1-8b5c9be8bae7@gmail.com> References: <20250415-st7571-v4-0-8b5c9be8bae7@gmail.com> In-Reply-To: <20250415-st7571-v4-0-8b5c9be8bae7@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=2260; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=ErAJptKe6TjqvTV7sbXPcZTT3k+iErgPyt0n2TpvVKQ=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBn/fWo0zd25bxNICZsEqGnaKpkxFttyKHkD+lWq BFLvieFhgmJAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCZ/31qAAKCRCIgE5vWV1S MhVyD/wPRR1pC3Uih9CKvymXMl51XJr6AUsF8qCTwS7srgLpRjrVa+DTNTnhsNOZIYv6grdL9qE pHDnF5CdwkygG4ppbiXIF46jWOLPQKv4pV29gkIMezHZcSQ5IYSlIOPMu73EgQQ2coRjFzpiI3+ pGv1UQD/a1vMJETYPetDDdRgXGc8BxQzcPiopigxd7f81XQyYvDp3gMGXz6qMxDGN/UlS2qNgtb JrLFhK0lWHS6Mm0kgq+7gT0Jv25SXENfkcSUOgbfk9+ntovHDIkqmKwa3U0RDsF+eh7+TYE8jzz Czs2t+cmBZeEfqjSeP40XC/Ldv7pqFXpxihEMDStnc0xO7CfW6GemZMGGhBVH9pIlZ4qywiVGim 7d6JbR3VKvp/uG+HUcs6MTTcOFTXZ1pnwGlDtvad9L2+9opiFzeTxYB8vOh4YXJu7Lsxc/MQnLw fXW2WD/TuQ74sUY586UCiGO0eEcox53Vi5VuzMqRzX7vp/WvN8ddTe/pt+RSTZjhbiky5E53bTa o+LfBNUcBAPmPzFrlwtjWaGfSSS9XaQLOewieizjBShkQfiFCCp+2TFKlFC3o8VQFp3PrPJNJSm Z0D3JIsrDsmtNZZm2d/kX8PqenqkllBtfX0WY1sYSAT9Mx1B9Z5zhGgFUd4DBayrmreEWKCY089 VxjTrrNmMbMcDeg== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Sitronix ST7571 is a dot matrix LCD controller supporting both 4bit grayscale and monochrome LCDs. Signed-off-by: Marcus Folkesson Reviewed-by: Javier Martinez Canillas Reviewed-by: Krzysztof Kozlowski --- .../bindings/display/sitronix,st7571.yaml | 73 ++++++++++++++++++= ++++ 1 file changed, 73 insertions(+) diff --git a/Documentation/devicetree/bindings/display/sitronix,st7571.yaml= b/Documentation/devicetree/bindings/display/sitronix,st7571.yaml new file mode 100644 index 0000000000000000000000000000000000000000..4fea782fccd701f5095a08290c1= 3722a12a58b52 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7571.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7571.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7571 Display Controller + +maintainers: + - Marcus Folkesson + +description: + Sitronix ST7571 is a driver and controller for 4-level gray + scale and monochrome dot matrix LCD panels. + +allOf: + - $ref: panel/panel-common.yaml# + +properties: + compatible: + const: sitronix,st7571 + + reg: + maxItems: 1 + + sitronix,grayscale: + type: boolean + description: + Display supports 4-level grayscale. + + reset-gpios: true + width-mm: true + height-mm: true + panel-timing: true + +required: + - compatible + - reg + - reset-gpios + - width-mm + - height-mm + - panel-timing + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + display@3f { + compatible =3D "sitronix,st7571"; + reg =3D <0x3f>; + reset-gpios =3D <&gpio0 3 GPIO_ACTIVE_LOW>; + width-mm =3D <37>; + height-mm =3D <27>; + + panel-timing { + hactive =3D <128>; + vactive =3D <96>; + hback-porch =3D <0>; + vback-porch =3D <0>; + clock-frequency =3D <0>; + hfront-porch =3D <0>; + hsync-len =3D <0>; + vfront-porch =3D <0>; + vsync-len =3D <0>; + }; + }; + }; --=20 2.49.0