From mboxrd@z Thu Jan 1 00:00:00 1970 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 72B90254AE3; Wed, 23 Apr 2025 17:55:30 +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=1745430930; cv=none; b=uEoX6XCFz8fHB0nuvercv24AMnVEu5o7XSUrefQWvxRl8nvR34GK9LUBjeXEFHEUqAVtgLIsJevLJy5ZqlK/f6XUZsfyQF1IZHLlQT/SS4gYCegygVyJQYQnklhhWzzPlsy4oVbkHijRLlJyy8iMgxQ4XCMIGhcdgny8WYxbAGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745430930; c=relaxed/simple; bh=/LVwP2J7phmJo5xUbPuYBsq73NOkQB14cAElXzkBoks=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=OpNZE5GaSFl1Uw6uIuDyuuP9n1jDNaH/t+emYVn8Tpgz8ReBO5OrHUk1QISrufKHhyD9mOYFca7+BDPd4l4UIZfVnP8qXwn8VVr+4SNQEU+ZehhTuKSoh9E56q+cwJahrl02CQgt0U4ptRfFiUoFH5IOWhtp5P57O1KMoJG8rU8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=phSeOFmN; 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="phSeOFmN" Received: by smtp.kernel.org (Postfix) with ESMTPS id EA74DC4CEE2; Wed, 23 Apr 2025 17:55:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745430930; bh=/LVwP2J7phmJo5xUbPuYBsq73NOkQB14cAElXzkBoks=; h=From:Subject:Date:To:Cc:Reply-To:From; b=phSeOFmNEoUyqaK9vn5Kfla9WgE6envapLq9rZ7dT7yWpDJRt10Hip4/mrnX1eYWt omajTVlNqQIi/7tkbUbkeJ5Hqsj2WBseHU+/duUvNSVw7nwtLuxkLqfs8sA63AqHy1 5r1siANzs4M33++KsgKnzYcpyskCkJml2DAxHXsLIRdQNK78RKYFFjHR7Y/Zctn0SV 5VlZDIj8oKswAyD+er/HA+Fzv8IF9Cg9/K9wTXapzp1g2xKuPd+aTmEV5dAudGoVSv f0KKcRLiuzjKh6r3y5BIUNuHa/ZmqVp/3350IKMZzwZHH4kRL8mlmZX3i8tTje0axx M5Jp8TTmJ877Q== 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 D86CFC369CB; Wed, 23 Apr 2025 17:55:29 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Subject: [PATCH v3 0/3] Apple PMIC NVMEM cell driver (Formerly: Generic SPMI NVMEM cell driver) Date: Wed, 23 Apr 2025 19:55:12 +0200 Message-Id: <20250423-spmi-nvmem-v3-0-2985aa722ddc@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=H4sIAIApCWgC/23MQQqDMBCF4avIrJuSTIyGrnqP0oWmow40KkkJL eLdG11Z6PI9+P4FIgWmCJdigUCJI09jHvpUgBuasSfBj7wBJRpZKiPi7FmMyZMXJG2ljVaVqg1 kMAfq+L3Hbve8B46vKXz2dlLb+zeTlJACUVZ1S2i06669b/h5dpOHLZPwSOsfipm21lqjSJdN1 x7puq5fOHbWGN8AAAA= X-Change-ID: 20250415-spmi-nvmem-e08635316175 To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein , Hector Martin , Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745430928; l=1822; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=/LVwP2J7phmJo5xUbPuYBsq73NOkQB14cAElXzkBoks=; b=DYImOHdO3m2rCslcCrmKq+Ure36xtXDMfMi0nYTg6CXkPtjKnUVyEChYMW8gOT5qVYqXuThMd Ci910bPQ5VpCr/YdCgRCnRTDLNFysECw1DxHkbLO6gFHVJK4qBZ/w7M 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 patch series adds a driver for exposing a set of registers as NVMEM cells on a SPMI-attached PMIC on Apple ARM platforms. Those are used to store the RTC offset and to communicate platform power state between the OS and boot firmware. The NVMEM cell consumer drivers will be sent in a further series. Signed-off-by: Sasha Finkelstein --- Changes in v3: - No longer try to make it generic, use for the 3 relevant PMICs only - Link to v2: https://lore.kernel.org/r/20250417-spmi-nvmem-v2-0-b88851e34afb@gmail.com Changes in v2: - s/pmu/pmic/ - Sort dts in unit-order, instead of t600x-unit-order - Link to v1: https://lore.kernel.org/r/20250415-spmi-nvmem-v1-0-22067be253cf@gmail.com --- Hector Martin (2): nvmem: Add apple-spmi-nvmem driver arm64: dts: apple: Add PMIC NVMEM Sasha Finkelstein (1): dt-bindings: spmi: Add Apple SPMI NVMEM .../bindings/nvmem/apple,spmi-nvmem.yaml | 54 +++++++++++++++++++ MAINTAINERS | 2 + arch/arm64/boot/dts/apple/t6001.dtsi | 1 + arch/arm64/boot/dts/apple/t6002.dtsi | 1 + arch/arm64/boot/dts/apple/t600x-die0.dtsi | 50 +++++++++++++++++ arch/arm64/boot/dts/apple/t8103.dtsi | 50 +++++++++++++++++ arch/arm64/boot/dts/apple/t8112.dtsi | 50 +++++++++++++++++ drivers/nvmem/Kconfig | 13 +++++ drivers/nvmem/Makefile | 2 + drivers/nvmem/apple-spmi-nvmem.c | 62 ++++++++++++++++++++++ 10 files changed, 285 insertions(+) --- base-commit: 2e0e70c95077172b29a5b13716c4b159d578e82c change-id: 20250415-spmi-nvmem-e08635316175 Best regards, -- Sasha Finkelstein