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 D38A8C43458 for ; Fri, 3 Jul 2026 13:59:14 +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=8sQSDqAelniprUW0bjLh4r7TPdrV1wyI0a++eXewKTc=; b=U3JUfDGeN2JU1T PmTNBLJOGHPDiu/APZdkgN8QKtSW1v4IEwxV/QuLcUkm7oMIZYu5ySoY2WQ8IyMRJmDJHc+Gdp3/t Cgesek0ShLtWBnD0E+MSwbeHBC82oNdTw3KfONcffRJGqb2oJHAgTJj0HO6fgdR3whK1xyhXsUya1 Y9INPju/EiPuW2GDVqIyqmODM6/uBtwk16iV1M63gqzx8UynTt46LXvKpeyhC2WZbH59GQItBOi9l KOorSusrBBUAFwXTtOo9Ou27vQn8IcuwKeHVLzez4DC8p2sl3uRmHVeSFLB0cmA42FUs2/MgnHZyK 4wV7cmFDQVvXTX/2gZjw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfdG4-00000006zqX-0p9B; Fri, 03 Jul 2026 12:44:40 +0000 Received: from chaosmail.tech ([77.81.229.115]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfdFz-00000006zny-06Rq for linux-arm-kernel@lists.infradead.org; Fri, 03 Jul 2026 12:44:38 +0000 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> 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= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260703_054435_536626_5E99B36A X-CRM114-Status: UNSURE ( 9.38 ) X-CRM114-Notice: Please train this message. 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 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