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 9043CC43327 for ; Thu, 2 Jul 2026 12:07:01 +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=SQNpC2MoYnLQAl/v3dxVQexz4TEZdGqYDZch7PZVNZg=; b=KUYdJyuQo1GIW3 4bS9c+tbX/XeUfj2OJfd3VFZ9B03sbkypU37WZPPcjosch6Yu4MSwK6w+NlphbbQ/+VHtGFnIVC7G KicSTZitY8tMusbPLaLR1fgTjk+FV18vcxhJTUo4MPRZe1SRM4DbQiZzGOBb8e1f1v6nH2uqZxUNv 11bz2Ce9fEqMmwlXzp0n/nqRa3h1KoCEL4IiSxtmJgrMN7YWPkeSTUv92ulreC3kiEVortrUPr1rP gWNxiW9T0JSuFVLhQxyKpg/BMtFmLCyfs1m874P/eUqdgycfb38bkeMIlGw8G3ade8sqQEv8gAjqf FZViqZo1Y8kJUy0NyZ8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfGBx-00000004PSN-3RCm; Thu, 02 Jul 2026 12:06:53 +0000 Received: from chaosmail.tech ([77.81.229.115]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfGBv-00000004PQi-2VeW for linux-arm-kernel@lists.infradead.org; Thu, 02 Jul 2026 12:06:53 +0000 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> 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= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260702_050652_109373_325C9EA0 X-CRM114-Status: UNSURE ( 9.41 ) 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 --- 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