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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3109084d9d0sm19475141fa.97.2025.04.23.12.03.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Apr 2025 12:03:44 -0700 (PDT) From: Marcus Folkesson Date: Wed, 23 Apr 2025 21:03:20 +0200 Subject: [PATCH v6 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: <20250423-st7571-v6-1-e9519e3c4ec4@gmail.com> References: <20250423-st7571-v6-0-e9519e3c4ec4@gmail.com> In-Reply-To: <20250423-st7571-v6-0-e9519e3c4ec4@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 , Conor Dooley , Javier Martinez Canillas , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2443; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=YB3U1vGWiGbGv/SZx3xK3oLfCX1vsYzknR/aXytg8xc=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBoCTl/qZH/tsu2jjI4XQEggmBnixfzIpp8xX6gc 2vkbdn4cWOJAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaAk5fwAKCRCIgE5vWV1S MmpFD/4uqUYIyR02el2J/y9lrf96YQJlG22nGZUYBU+0dzQExzz+s2HD97/k1jxnlLA5jYHq3VX 1NGEWQSIfx9iFNlcApMkYpQd20qorhWdK/lYHJbyJ7mRO/4lnlthVaDYHdFKuxSMwl6hstl3MjF jmU/rr1WYwIqLf77SjOkTQlMp59LeXgR35JW1buHGCMzObgcZfV6JzQ3IhJidy3e2ZXHoM+hhlA GX7G8dgRSBDkslab61I1mx5Wp6yeVmGcqBTT8Vg+dyrXlOpyVzrF3wJPMGg9g8g0M+Ma3C7P+cP 3UTs7iHUzbxcYL4twXz3ag0L5q0z2C67wK48oL5fZPFMG/qZtGroAbGCZ7xLE8FMEvf34a6oeSr Umvr2pRQhwK3u0A2Sf/F6M49zM3XGatAPItW2CDRY0CwjzQGwvPjrRqukkkc+amKo2CvDxK0hy1 D+jd2cnKUIWfYJxqCrkSoS5O7XgUki4yYzD2rNN07R9cvT4ntWI0CDd93PI9yawOizKI9ebmJCa JqbFtBYLqvvKc0KH/CGNGH0utqHl62pPtayw47WoRcnqOdxhZD9dt+ghE81GRI14xi7Aw98NR1b coqbu+tTfRy/1p890wanPI9toDUffw0taFi3iavhvX6Zrtzn6EFaW+jrkbz04xKvWmpXgAebRit gIAz+eydJtAZxhw== 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. Reviewed-by: Conor Dooley Reviewed-by: Javier Martinez Canillas Reviewed-by: Krzysztof Kozlowski Signed-off-by: Marcus Folkesson --- .../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