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 E7DC147DFBF; Thu, 2 Jul 2026 12:06:53 +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=1782994019; cv=none; b=V347yyYl9de3gT/wtnOnsFLI+tpudkSeZbl4FceloYCg1fvbJGc4iJtzUBHklaiDPlNko+JeVruYwLmS+h7HrjRz2LA4H/qb05syn9oQ9p80crWtyXKE/HVHh7FMfB5mKaKUFKPdTiUbuAXKCwM0y29bvlBV1pgfG4A1Z78AOmI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782994019; c=relaxed/simple; bh=jUlZSi3Y3F/0QuIxjuAl+t+pHRC3h/ygSTf4tVgbRFg=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=g4BoE6MY0kLxbFWDJTBW9GTGpJxhLcqnLaoMx8EZOgYMJ6ZIAnhYfEvy2JH2ygGGmcnyqBdr73OYRwmy/uHHun3/tyFgLAsd4GEBPmO9urE1Id+m31xRR3jFBFn5iVPGwhF6Siw69acMMc2jQHxPUGh1nVMeCtrdJzd2zG6d6PM= 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=PvRN39e2; 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="PvRN39e2" Received: by chaosmail.tech (Postfix) id 347FD1C888A; Thu, 02 Jul 2026 12:06:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chaosmail.tech; s=mail; t=1782994005; 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=SQNpC2MoYnLQAl/v3dxVQexz4TEZdGqYDZch7PZVNZg=; b=PvRN39e2OtdyoOiqOOVP2E/XParelVBDKN6Tf444vbUXewXfCOBlZnpohD/6T1W3NOmIe5 dJjT9qJqYMm5oDZmrOLvAh9YMZkHL3re6DIqUkSHUu9VMy1g2An0m+js2RnSAjbydVV8xM T33OvLIxpDx1AYgRkKBZGHH3NJdd/ac= From: Sasha Finkelstein Subject: [PATCH 0/3] soc: apple: Add "PMGR misc" power controls driver Date: Thu, 02 Jul 2026 14:06:25 +0200 Message-Id: <20260702-pmgr-misc-v1-0-4f075a3a95c1@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/yXM0QpAMBSA4VfRubbaViivIhd2HBxltIPU8u6Gy 6/+/ghCgUmgziIEOll49QkmzwCnzo+kuE8Gq22pK23VtoxBLSyoOjLo+sKhxQpSvwUa+PpeTft bDjcT7u8A7vsBoLwa2m0AAAA= 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=1782994005; l=1550; i=k@chaosmail.tech; s=20241124; h=from:subject:message-id; bh=jUlZSi3Y3F/0QuIxjuAl+t+pHRC3h/ygSTf4tVgbRFg=; b=24ErvKIbhJOk782EuxDOBxCg4INtj7JZ+kfwYzPQK38zAqwbYHrJ+KabRgYh7yB2Mirj5Qif0 Z2vR12trINkDRcS8Vcb7pzaWD7AtPvbEmZ9fFceWRCi171ACZ57jl1N 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 --- Hector Martin (1): soc: apple: Add driver for Apple PMGR misc controls Sasha Finkelstein (2): dt-bindings: soc: apple: Add bindings for 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 | 177 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 249 insertions(+) --- base-commit: 59574e5978abfc2ce1c194ea0200eb6fc718d8ce change-id: 20260702-pmgr-misc-ae1cbd5bc2c7 Best regards, -- Sasha Finkelstein