From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from chaosmail.tech (chaosmail.tech [77.81.229.115]) (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 D3DA538A73F; Fri, 3 Jul 2026 12:44:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=77.81.229.115 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783082680; cv=none; b=KtiIcSYBLN2DkDNL/gT3rnczTbw9lJE7OBHn5usAz+UvcEvMfmP4fHpW9ClKu10AO4Us0yAmikamPbydVtvHdIiyo4LclFZtLAmBpElleBXgTsfubcu65BUpzJi20t8fKJv+rzNjYrw0MxjqHfz24zEvJVC0JK5qlQgDSeVyeyw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783082680; c=relaxed/simple; bh=8D7Po7SCptGVEHm0r1MA8F5t/rLXTgEyoB3RxAxQRVM=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=UEju+N3twyahduyu257OYAmXka6PLc+6HrYL1EtnpkvyMt3lU6eCHKvR3j4gK2FFXNOtJn1hp+UBSnFJJTpUSyzbf6WXY0ZZtB2pr+k6fIWc686iX87TE/PZbl3p8IZRgHlIqOfueC/J0etGs+RT/Ee+slcxM9tbuVLh6Q66l0I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=chaosmail.tech; spf=pass smtp.mailfrom=chaosmail.tech; dkim=pass (1024-bit key) header.d=chaosmail.tech header.i=@chaosmail.tech header.b=fD0bWHtD; arc=none smtp.client-ip=77.81.229.115 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=chaosmail.tech Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chaosmail.tech Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chaosmail.tech header.i=@chaosmail.tech header.b="fD0bWHtD" Received: by chaosmail.tech (Postfix) id 61AC31CC21E; Fri, 03 Jul 2026 12:44:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chaosmail.tech; s=mail; t=1783082669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=8sQSDqAelniprUW0bjLh4r7TPdrV1wyI0a++eXewKTc=; b=fD0bWHtD56p8eHPQqsgumvfj42tKkzjKFtun/Ui6JnVvuo3KeE5/XJTfv8TYl9UG4OTV7c ENIt18XZMj3CVi3508IJK3cMRCTsf6GaaGGwHTBJnQcaj76xnIpqqYgrIjM8oN7MR0G1y5 TKIJya7jhsnnPE5ej/jB2AFU2XnJXiQ= From: Sasha Finkelstein Subject: [PATCH v2 0/3] soc: apple: Add "PMGR misc" power controls driver Date: Fri, 03 Jul 2026 14:44:10 +0200 Message-Id: <20260703-pmgr-misc-v2-0-4b26ba10c5a4@chaosmail.tech> 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=H4sIAAAAAAAC/22Oyw6CMBBFf4XM2pq2Womu+A/DogwDjJFHOkg0h H+3xa3Lk5yce1cQCkwCt2yFQAsLj0MEe8gAOz+0pLiODFbbi861VVPfBtWzoPJksKpdhRZziP4 UqOH33rqXP5ZX9SCcUyAZHcs8hs8+tpjk/esuRml1bnTu/MlfHZoiPhml9/w8zoQdlNu2fQH3x RwUuQAAAA== X-Change-ID: 20260702-pmgr-misc-ae1cbd5bc2c7 To: Sven Peter , Janne Grunau , Neal Gompa , 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 X-Developer-Signature: v=1; a=ed25519-sha256; t=1783082668; l=1706; i=k@chaosmail.tech; s=20241124; h=from:subject:message-id; bh=8D7Po7SCptGVEHm0r1MA8F5t/rLXTgEyoB3RxAxQRVM=; b=e3ZFilP3ziJzNDOl7lwPRWQtPWYiZ5G7wAfzdU4XPb501CsLWgxMMUj2XHpsqfs0+DPbrs0Ly fzzPfCV5UPwAkaC2yglrcnQKXYlcPbgI60fspd56MPuzJFdeX7Wu3y1 X-Developer-Key: i=k@chaosmail.tech; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= Certain Apple SoCs have additional power state controls that are using a separate "misc" mmio interface. Currently this includes the fabric and memory controllers on pro/max/ultra SoCs. This series adds a driver to put those in a low power state when the machine enters sleep. The power savings are SoC-dependent and are around 1W. Signed-off-by: Sasha Finkelstein --- Changes in v2: - Error handling fixes - Reword binding description - Link to v1: https://patch.msgid.link/20260702-pmgr-misc-v1-0-4f075a3a95c1@chaosmail.tech --- Hector Martin (1): soc: apple: Add driver for Apple PMGR misc controls Sasha Finkelstein (2): dt-bindings: soc: apple: Add Apple PMGR misc controls arm64: dts: apple: Add pmgr-misc nodes to t60xx Documentation/devicetree/bindings/soc/apple/apple,t6000-pmgr-misc.yaml | 45 +++++++++++++++++++++++++++ MAINTAINERS | 1 + arch/arm64/boot/dts/apple/t600x-die0.dtsi | 7 +++++ arch/arm64/boot/dts/apple/t602x-die0.dtsi | 7 +++++ drivers/soc/apple/Kconfig | 10 ++++++ drivers/soc/apple/Makefile | 2 ++ drivers/soc/apple/apple-pmgr-misc.c | 179 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 251 insertions(+) --- base-commit: e5d9690657844a2645a518cdf838206f6daf513e change-id: 20260702-pmgr-misc-ae1cbd5bc2c7 Best regards, -- Sasha Finkelstein