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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54c1e635c7dsm436687e87.144.2025.04.04.06.50.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Apr 2025 06:50:56 -0700 (PDT) From: Marcus Folkesson Subject: [PATCH v2 0/3] Add support for Sitronix ST7571 LCD controller Date: Fri, 04 Apr 2025 15:50:31 +0200 Message-Id: <20250404-st7571-v2-0-4c78aab9cd5a@gmail.com> 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: 7bit X-B4-Tracking: v=1; b=H4sIAKfj72cC/zXMQQ6DIBCF4auYWZcGUGrpqvdoXAAOOkkVA4a0M d691MTl//LybZAwEiZ4VBtEzJQozCXkpQI3mnlARn1pkFwq3nDB0tqqVjBd36XVzjteeyjnJaK nzwG9utIjpTXE7+Fm8V9PQp5EFoyzWon+ZjWibcxzmAy9ry5M0O37/gMwabB8nAAAAA== X-Change-ID: 20250401-st7571-9382b9cfc03f 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=1550; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=KM16sgTNvRvbJg0m55JE30pDne9XoFpHhIalYoOmghY=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBn7+Osqu96HCbtIQ2AggwXIp1BUNgmxz2AxKm+0 C9BmuH2VQKJAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCZ+/jrAAKCRCIgE5vWV1S MoPlD/90YFLZy0IiD76aYxfa48IfgxJ3RjJQKXM3Z5mkJbiJ3G9K6H7F+qDjw6EzKWFMG+WO0eN u6ZM9MTHmX/RYhtSp9bCyBrXy3fTxbeio/LqVKYmrOXDlznltLaOJUbQXgee/9+t3tzRexQTSw6 d1PDjF2Ewvk7dmVeAkP6h2c+XGY4gbfI4KRM4wopsWRrWo2jvn4utIJusMO1S2UKezsvMNGJ/So Av7i4/sC4Nn8JqzKbz7fI0gOsxQ0KmJG5wjhB1Mjs/Njdbdpq36TJnMSxIs19/zp8nlfQhn8Ry/ /b13Q5s+PTULqEiwRoGkrrVPn3L26DF5bKq4KRgfK3KBZFWty3rWUIxyeBCza3q/1kWIaVeaeOk q1IkQjTjk0Vipl3us2VN6F55c/Ey2Ke0NW9LIPBZPmASJXRmLr0GPyHQAAG+Fd9c9BtZEJqMRob 6PBPe6P3R3v+aPyi6FBl3x9ACs7QozJJsQKCFtrkUdc+LsjN4HkzzGUP3k0Xj6k+WCe3HCfwvly 1WA/K37gzy0g3wAwj/EpZ31LyRlcsAN5Dfc1UndPRWuFGGpj8SAwA6Ljcbahpu7ISsEHX1G5fQp DaO1SHFXyQwtrTAGBlP+IAQULBxY6Vmo4/8wXc8gC3VPel09WsxhdsEF+zDLJOeNZwBCVcMeWTn 0ux9tTEKSOBrkvA== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 This series add support for the ST7571 LCD Controller. It is a 4 gray scale dot matrix LCD controller that supports several interfaces such as SPI, I2C and a 8bit parallell port. This driver only supports the I2C interface, but all common parts could easily be put into a common file to be used with other interfaces. I only have I2C to test with. The device is a little defiant, it tends to NAK some commands, but all commands takes effect, hence the I2C_M_IGNORE_NAK flag. Signed-off-by: Marcus Folkesson --- Changes in v2: - Reworked pretty much the whole driver to not use obsolete code. - Use panel and timing bindings to specify resolution and panel size - Link to v1: https://lore.kernel.org/r/20250402-st7571-v1-0-351d6b9eeb4a@gmail.com --- Marcus Folkesson (3): dt-bindings: display: Add Sitronix ST7571 panel drm/st7571-i2c: add support for Sitronix ST7571 LCD controller MAINTAINERS: add antry for Sitronix ST7571 LCD controller .../bindings/display/sitronix,st7571.yaml | 73 +++ MAINTAINERS | 6 + drivers/gpu/drm/tiny/Kconfig | 11 + drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/st7571-i2c.c | 720 +++++++++++++++++++++ 5 files changed, 811 insertions(+) --- base-commit: 1e26c5e28ca5821a824e90dd359556f5e9e7b89f change-id: 20250401-st7571-9382b9cfc03f Best regards, -- Marcus Folkesson