From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2BB68C83F17 for ; Mon, 14 Jul 2025 07:28:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 82E6910E40D; Mon, 14 Jul 2025 07:28:27 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="lb4Y9G+j"; dkim-atps=neutral Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id 41D1F10E1D5 for ; Mon, 14 Jul 2025 03:00:04 +0000 (UTC) Received: by mail-pf1-f172.google.com with SMTP id d2e1a72fcca58-74801bc6dc5so3029581b3a.1 for ; Sun, 13 Jul 2025 20:00:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752462004; x=1753066804; darn=lists.freedesktop.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=Y6pstB75S20K2ggi+/G/IyUWheZt8LKcxEwRUgTMXz8=; b=lb4Y9G+jPkV7+m1YxGez+n4NSDxaGQ2e/SPqF6Xv+J+/3LG139KInrJdy9wK7sw/ID v59K0iF29IYYCqq8lMPhi3tddMB/6smuOumd0kiiZWt1N/W20trQVmRrOgzomFGCQmgO PiT7AdJkBe4cngxDAEyyRKX4FmkMRy+BtY6snyNjdfpnb5mTNVQg2zOy9uHpDqKpGwBi mP6azNfqkDZH0iHgZIc2cVCPgY8/diSbsunFsEaVn2Y7Qtfk43Ifhwfg/Z/MrAZn8k0o XV7Xp1noRpBgG+F2sqzP9QIwFD1R/BNjIMHNwBJkDjczZ7hbXfkMSzHbtfBkLa/9BK08 W48Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752462004; x=1753066804; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Y6pstB75S20K2ggi+/G/IyUWheZt8LKcxEwRUgTMXz8=; b=QOLgtVxH/a19KkQFlu+m4cwB6d2WAOQHLGn8SABhF2w6k1pP8N1HCAWQmcvW8Hb5r4 q8Ha9OwX8lWySikWNs0V8MxLkUxkU+eteYrg2fYDciPcXSU/epm9smywgShfgcMVy0+R IjNDzlIKhLw3sNHNsCFstIxVPBlxbQOiceht1k+GrZGvkDN/76946+97U8OcbtUYywOG 5V+u8yMRKC+YwVgFtqxtmTTsKz2hd64vZpa/Z1NtBrdk8am68OcLY7botqdnPeNtfwFU +A+zLcD8cx0C2bB6BMElztsuc7U9WM7FVZuQxPx97vUyakrw6FeGjrdAKEBlAWU3A6+6 UlkA== X-Forwarded-Encrypted: i=1; AJvYcCU2Aest4cZ9J+JZCNPfY+qg/ACDpo5of2sUNxqRm23tDXr7uInhizblaPegegQqKOALSopFnJdj6YA=@lists.freedesktop.org X-Gm-Message-State: AOJu0YxIKxBQSoUoBsTPPyjzx4qGreXOI+aZx8UfZkx/tw/GrDASIp0D huMszI1PynbM41z1GWLAIlcy0St3iogKXPUdagd4yyS2VYdt6eZ/scgN X-Gm-Gg: ASbGncs35IAvPmCXzb3AtJonRrL1q4pAiN4vTgnb/0ZPwl5Ib8FJcEXvuD0y7mpMyaG Nju5xf6hslCKnKvWCPJthasd6QYk3Fy66VZMdXNUdhvxCX+Kmupoi/WEJ4ml67eZaDlPCWvkk1A 4JPsbNoQwjgWFl/81vGSxHIskBBRy5E7n+tQ4wzauYcCKIo+dftHIIZexry0voAQ5zGqFprgHpk EbF9qoE7Sim9ee/099V5/xw8Kx338V0TgZN2wJN9CG8F56hIHtHoA4Y7Pky511Wb7G15WM26fsI JdVF4c73V5qhOvC4LTLW3YHIiBkj6TbLh4R4s8euPr7TgukVZ8NBJxfNM0ssWY9ZFZGkzTkSR4P +sub+RdnsZMGvGV6wlDEKe/soWbKugWXr6vMJgahGnMIUp+sCwT8= X-Google-Smtp-Source: AGHT+IFgq0CJoameSLgVhDrFKZgmjgscNozjW68vpXSBJzGFC5r8RB4R1SvSETsoFDPJWdr6HbwT7w== X-Received: by 2002:a05:6a00:b90:b0:746:25d1:b712 with SMTP id d2e1a72fcca58-74ed0f37dbbmr15568022b3a.7.1752462003454; Sun, 13 Jul 2025 20:00:03 -0700 (PDT) Received: from [127.0.1.1] (211-23-39-77.hinet-ip.hinet.net. [211.23.39.77]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-74eb9f4af33sm9034577b3a.122.2025.07.13.20.00.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Jul 2025 20:00:02 -0700 (PDT) From: LiangCheng Wang Subject: [PATCH v2 0/3] Add support for Mayqueen Pixpaper e-ink panel Date: Mon, 14 Jul 2025 10:59:38 +0800 Message-Id: <20250714-drm-v2-0-5d1a2e12796c@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAJpydGgC/1WMQQ7CIBBFr9LMWsxARBpX3sN0QRhoJ5FioCGah ruL3bl8P/+9HYrP7Avchh2yr1w4rR3UaQC32HX2gqkzKFQaDY6CchRXVJICGqnJQH++sg/8Piq PqfPCZUv5c0Sr/K3/fpUCxUWj1oEsudHe52j5eXYpwtRa+wKED8UslgAAAA== X-Change-ID: 20250708-drm-6021df0715d7 To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Wig Cheng Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, LiangCheng Wang X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1752462000; l=2106; i=zaq14760@gmail.com; h=from:subject:message-id; bh=LZFxIGcaYkZxoWI8vAMHadDEgvq9NNtsNON8+he1Adc=; b=AzcZ8ioBOR/11C1FrgwE4k8EJtaaO5keijkJ/PnwnqqSPRedLhDtKBYmTk9UYQWNx97c53s8l /znIl5IF3FyDp0E9Dx8MAo39n3kDa4P4zg0Vb1fNS3AexJJmCduCUbQ X-Developer-Key: i=zaq14760@gmail.com; a=ed25519; pk=5IaLhzvMqasgGPT47dsa8HEpfb0/Dv2BZC0TzSLj6E0= X-Mailman-Approved-At: Mon, 14 Jul 2025 07:28:12 +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" This patch series adds support for the Mayqueen Pixpaper e-ink display panel, controlled via SPI. The series includes: - A new vendor-prefix entry for "mayqueen" - Device tree binding documentation for the Pixpaper panel - A DRM tiny driver implementation for the Pixpaper panel - A MAINTAINERS entry for the Pixpaper DRM driver and binding The panel supports 122x250 resolution with XRGB8888 format and uses SPI, along with GPIO lines for reset, busy, and data/command control. The driver has been tested on: - Raspberry Pi 2 Model B with Linux kernel 6.16. --- Changes in v2: - Reordered patches so that DT bindings come before the driver (suggested by Rob Herring) - Fixed sparse warning: removed duplicate `.reset` initializer in `pixpaper_plane_funcs` - Fixed checkpatch issues reported by Media CI: - Removed unnecessary blank line before closing brace - Moved opening parentheses up to function call lines (e.g., `DRM_WARN(...)`) - Fixed alignment of conditionals - Fixed `dev_warn(` and `drm_universal_plane_init(` formatting - Thanks to Rob Herring for ack on vendor-prefix patch - Link to v1: https://lore.kernel.org/r/20250708-drm-v1-0-45055fdadc8a@gmail.com Thanks for the feedback! Best regards, LiangCheng Wang --- LiangCheng Wang (2): dt-bindings: display: Add Mayqueen Pixpaper e-ink panel drm: tiny: Add support for Mayqueen Pixpaper e-ink panel Wig Cheng (1): dt-bindings: vendor-prefixes: Add Mayqueen name .../bindings/display/mayqueen,pixpaper.yaml | 63 ++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + MAINTAINERS | 6 + drivers/gpu/drm/tiny/Kconfig | 15 + drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/pixpaper.c | 777 +++++++++++++++++++++ 6 files changed, 864 insertions(+) --- base-commit: d7b8f8e20813f0179d8ef519541a3527e7661d3a change-id: 20250708-drm-6021df0715d7 Best regards, -- LiangCheng Wang