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 D3ED336A360; Sun, 5 Jul 2026 08:16:45 +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=1783239408; cv=none; b=f2xMjXdBiyksWT+UJfGH5V/UOGRZv3cRcGf28j3KhOnhLDCYM86sArr8b9g/1hwnrY0QzSWlk5ZTCYU2VdDzhAoYclDDCF+ycGFFTbBdHQVpPBr03esMXHSzf4qZY45pmtYkCO2jYhRVq0denY7WexvlaE3VUeoiabfcbXdKcQo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783239408; c=relaxed/simple; bh=e9CoEDwG1cbuQpb5x6xSuH1axeei/ZWdFetHF10wjzw=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=MTAkgciC7PQDXWLXjA0oFkGMafNlPI7xXkNVQaUyUdtOcGGJgxatyaY8NP2A0gdjN/pHEBOZshooFUYt4lTDj0jNH21N0fMKgo4l6w4vc1dHyvDHTQi/1UGgeDT5yp6iXv1ZAZCI+YZFA+0enMeQ5zYemGk4QDjH7btUNQomFZU= 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=KQIf+CAZ; 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="KQIf+CAZ" Received: by chaosmail.tech (Postfix) id 9EDFC1CC21F; Sun, 05 Jul 2026 08:16:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chaosmail.tech; s=mail; t=1783239398; 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=pDLQdHX5gTGLk/qcwUj+BnQvTh2X825nYYdv1sm68gE=; b=KQIf+CAZQgI6mEIjvqCmqeZF5EZhfYn7NN+F/meU5c8aKwoehil0dFMYAhcFy4NOb+IKh9 6Sgt4AfMXK33gzOU+QiHhrZwrd5OS6CgyDJUnkVwxe2g0JZhJIHRV4nqfIXZl63fglHPWA +MTI9agFqYOGw88gsbDzPkHTQKwH+DE= From: Sasha Finkelstein Subject: [PATCH v3 0/3] soc: apple: Add "PMGR misc" power controls driver Date: Sun, 05 Jul 2026 10:16:29 +0200 Message-Id: <20260705-pmgr-misc-v3-0-51b75fed6f73@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/22OzQ6CMBAGX4X0bE1bKERPvofx0C4LrJGftNhoC O9uixcSPX7JzOwuzKMj9OycLcxhIE/jEEd+yBh0ZmiRUx03U0KVohKKT33reE8euEEJttYWFFQ s8pPDhl5b63r7bv+0d4Q5BRLRkZ9H996OBZm4f90gueBFIyptcnPSIC/xk9H3hh7HGaFjKR7UX s/3ukq6VaU1UoA2xY++rusHe0iBjPgAAAA= 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 , Conor Dooley , Hector Martin X-Developer-Signature: v=1; a=ed25519-sha256; t=1783239397; l=1926; i=k@chaosmail.tech; s=20241124; h=from:subject:message-id; bh=e9CoEDwG1cbuQpb5x6xSuH1axeei/ZWdFetHF10wjzw=; b=jKItj/3tDyZFn57sHoVKW4ElnRhTcuHnatqYe3oFAnkxL9uFJo8h5ghENN7SPn+8kJ4Fzhxge dEssGlepPjQBonZ1R45SUGLF0O4PxztxG8ey+LAXNxAX2XlUb3CEqMI 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 v3: - Remove ability to probe only one control, it is not used anyway - Allow building as module - Style fixes - Link to v2: https://patch.msgid.link/20260703-pmgr-misc-v2-0-4b26ba10c5a4@chaosmail.tech 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 | 181 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 253 insertions(+) --- base-commit: e5d9690657844a2645a518cdf838206f6daf513e change-id: 20260702-pmgr-misc-ae1cbd5bc2c7 Best regards, -- Sasha Finkelstein