From patchwork Thu Nov 28 22:29:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sasha Finkelstein via B4 Relay X-Patchwork-Id: 846049 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 175D81C2DAE; Thu, 28 Nov 2024 22:29:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732832963; cv=none; b=p4CvjXFfkbH23sYG/R70QOENG+9zmjmr61bSj5nhxtgvbE3fpKUp2HL+IOcyBKOu7Q6peYelXI1BTiuFsDFF3ZQQHjQEHSqTUoR0xG7yMqC1gFz+w5g6bFs9EEpCkBFkZQ5LZKaEUDWSZBmE2VvELJkOGkAPmWPFpWTpRSWklck= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732832963; c=relaxed/simple; bh=oe01/Ykp7CrABnRRYCE+rh9+IS7KDiWdmcELIniUmsg=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=LpA9JxO+0Ms9ztH9L1yWQqYwHVPW+DL9J9B/gl3kq2S9UBwNVNzaZJTriP4rUxrQd0/x2HtyzQ6xWWop9jOTkMUVwrOvH/zvEiLUGp2pu7NH4wbGhkGub3nax2JcT8RZgNgoLJRTkLTORcOdamv6cFvirzGr1NVMOsuisrdcXzQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fha7O3jB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fha7O3jB" Received: by smtp.kernel.org (Postfix) with ESMTPS id A95D7C4CECE; Thu, 28 Nov 2024 22:29:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732832962; bh=oe01/Ykp7CrABnRRYCE+rh9+IS7KDiWdmcELIniUmsg=; h=From:Subject:Date:To:Cc:Reply-To:From; b=fha7O3jBHKZQ/TMc6KKsXOiKETN9p37LTjJMCeRXGffD/S9wEpATUao9W3xfog/vx wFJ3cV1vLzdLUQVYyn7mr0u4a3lk2AFvM+y7yfw2tE5sPIvNMlJhJ7hIVG8jau2bUA yPR3mrd7xhGNrtna7NLPNOGYGLvm+03TLluK5W7Uq5MdsswsXyogOmpL2A65fITcDC HG2rxKXHifF00R4VCb7P/noxiS3STNs7lYBCsXXKMMiNWazM99IbYC47vr+H9iGipB aCYqPradO8Lexnx4Ae/mpoWEt6TePeMXND+8G6UYQ23iy8YZ4OzDttJoLdr6vCdoo9 upft09XNp/OAg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91A1FD70DEA; Thu, 28 Nov 2024 22:29:22 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Subject: [PATCH v2 0/4] Driver for Apple Z2 touchscreens. Date: Thu, 28 Nov 2024 23:29:15 +0100 Message-Id: <20241128-z2-v2-0-76cc59bbf117@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIALvuSGcC/zWMQQrCMBBFr1JmbWQyxiKuvId0ESdjO2BbSSSoJ Xc3Lbh8n//eAkmiSoJzs0CUrEnnqQLtGuDBT70YDZWBkJy15MyXDKOl25FO4jFAPT6j3PW9Ra5 d5UHTa46frZntuv71dtWzNWjYHdgxt4QYLv3o9bHneYSulPIDnpMJipQAAAA= X-Change-ID: 20241124-z2-c012b528ea0d To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Henrik Rydberg Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein , Janne Grunau X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732832961; l=1917; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=oe01/Ykp7CrABnRRYCE+rh9+IS7KDiWdmcELIniUmsg=; b=QWGUNje+O0YI4L6uacMv3gCdhycX36kw+7OQPwVuFaDv7ROAUD8JL4y3TN+sqO/WSelEPv/HJ QF3jDo6TppbDr01ZAUfKJynJi79vHIby22PKFeS+8EQSFGwkYBUuwaU X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20241124 with auth_id=283 X-Original-From: Sasha Finkelstein Reply-To: fnkl.kernel@gmail.com Hi. This series adds support for Apple touchscreens using the Z2 protocol. Those are used as the primary touchscreen on mobile Apple devices, and for the touchbar on laptops using the M-series chips. (T1/T2 laptops have a coprocessor in charge of speaking Z2 to the touchbar). Originally sent as a RFC at https://lore.kernel.org/all/20230223-z2-for-ml-v1-0-028f2b85dc15@gmail.com/ The changes since then mostly address the review feedback, but also add another machine that has this specific controller. Signed-off-by: Sasha Finkelstein Reviewed-by: Neal Gompa --- Changes in v2: - In a separate patch, fixed an issue that prevented the SPI controller from using GPIO CS, and as such, moved the hardware quirk to there - Went back to uploading the firmware in probe() instad of open() - Other changes addressing the review feedback - Link to v1: https://lore.kernel.org/r/20241126-z2-v1-0-c43c4cc6200d@gmail.com --- Sasha Finkelstein (4): dt-bindings: input: touchscreen: Add Z2 controller input: apple_z2: Add a driver for Apple Z2 touchscreens arm64: dts: apple: Add touchbar digitizer nodes MAINTAINERS: Add entries for Apple Z2 touchscreen driver .../input/touchscreen/apple,z2-multitouch.yaml | 69 ++++ MAINTAINERS | 2 + arch/arm64/boot/dts/apple/t8103-j293.dts | 26 ++ arch/arm64/boot/dts/apple/t8103.dtsi | 20 + arch/arm64/boot/dts/apple/t8112-j493.dts | 24 ++ arch/arm64/boot/dts/apple/t8112.dtsi | 14 + drivers/input/touchscreen/Kconfig | 13 + drivers/input/touchscreen/Makefile | 1 + drivers/input/touchscreen/apple_z2.c | 458 +++++++++++++++++++++ 9 files changed, 627 insertions(+) --- base-commit: 9f16d5e6f220661f73b36a4be1b21575651d8833 change-id: 20241124-z2-c012b528ea0d