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[211.23.39.77]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ba7bd2ab2esm16330865ad.4.2026.05.05.23.25.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 23:25:47 -0700 (PDT) From: LiangCheng Wang Subject: [PATCH 0/2] Add support for PIXPAPER 4.26 monochrome e-ink panel Date: Wed, 06 May 2026 14:25:36 +0800 Message-Id: <20260506-bar-v1-0-12195406f4ef@gmail.com> Precedence: bulk X-Mailing-List: devicetree@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=H4sIAODe+mkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDUwNT3aTEIl1TI+M0o2TjNDNLY0sloMqCotS0zAqwKdGxtbUA6yhOo1U AAAA= X-Change-ID: 20260505-bar-523f2c3f6939 To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wig Cheng Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, LiangCheng Wang X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778048746; l=1346; i=zaq14760@gmail.com; h=from:subject:message-id; bh=UjBqsNiiU9KCI7HYTN7euFjJJz+PKYjeOpuER7dUuqI=; b=4INSpmJ7FzhpAQwBk4GPstZZDtDnhd0yDSWfXPYdhLBJo9n1mxDzQpjOu97rFTpLPeUsFJ+s/ n5yNe4ibHVBAjeVhs/oaJAsXjoX4FJyR8TGqG12JEwU/nASNPHzDri5 X-Developer-Key: i=zaq14760@gmail.com; a=ed25519; pk=5IaLhzvMqasgGPT47dsa8HEpfb0/Dv2BZC0TzSLj6E0= This patch series adds support for the Mayqueen Pixpaper 4.26 monochrome e-ink display panel, controlled via SPI. The series includes: - Device tree binding updates for the Pixpaper 4.26 panel - A DRM tiny driver implementation for the Pixpaper 4.26 panel - A MAINTAINERS update for the Pixpaper DRM drivers and binding The panel supports 800x480 resolution with XRGB8888 framebuffer input and uses SPI, along with GPIO lines for reset, busy, and data/command control. The driver has been tested on: - Raspberry Pi 5 with Linux kernel 7.1.0-rc1. Feedback is welcome. Signed-off-by: LiangCheng Wang --- LiangCheng Wang (2): dt-bindings: display: mayqueen,pixpaper: add pixpaper-426m drm/tiny: add support for PIXPAPER 4.26 monochrome e-ink panel .../bindings/display/mayqueen,pixpaper.yaml | 25 +- MAINTAINERS | 3 +- drivers/gpu/drm/tiny/Kconfig | 15 + drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/pixpaper-426m.c | 828 +++++++++++++++++++++ 5 files changed, 866 insertions(+), 6 deletions(-) --- base-commit: a293ec25d59dd96309058c70df5a4dd0f889a1e4 change-id: 20260505-bar-523f2c3f6939 Best regards, -- LiangCheng Wang