From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9A783C43458 for ; Sun, 5 Jul 2026 08:16:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=pDLQdHX5gTGLk/qcwUj+BnQvTh2X825nYYdv1sm68gE=; b=1yXg9ODnY6157j JbQcZTqdjUEaJnLmMXZ9DOu10Xb/6heTbQOPM+bVM1oHEljGdVf4z9tUpL/2GEdgSK+GeWILcvmkM L1BTXeqmNMLnMFL8KD6uKwBtMquzvRlUn650As2kBBvJnpRy2m7NSg1jA+ilZuDthIhwu8k8eE3C+ AplnyemCfiKmJSDPbYF4hSjjFJtCwCvbccEG7Ne0Ji7uUV50sIjg6slCtJoGsee8IwXwUYt5YCK+1 LT58OSkRSqyRxlth9KgxHvf3REDN9zZclIaKO2celKwZbhk4RGUC7gyh6Du/BUMC2Z/DW5B9eSAC0 qdDJxHLmmUOJQ40ZSh7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgI1v-00000009737-25ln; Sun, 05 Jul 2026 08:16:47 +0000 Received: from chaosmail.tech ([77.81.229.115]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgI1s-000000096zr-002w for linux-arm-kernel@lists.infradead.org; Sun, 05 Jul 2026 08:16:46 +0000 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> 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= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260705_011644_497089_A650EFA3 X-CRM114-Status: GOOD ( 10.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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