From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hall.aurel32.net (hall.aurel32.net [195.154.113.88]) (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 8FBFB1BFE00; Tue, 21 Oct 2025 20:15:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.113.88 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761077732; cv=none; b=MNyNqYaj81xKbdYavDMO4q26NhKMKBHXI2sQWhyhOShxjRr1e7CUe4sTIs+jxseeGfo+fRAbCrJc7ResoH50ZczdwCckmoFzCTia4PrZoRyAhrHb+GyYvunU3qoa/YFLKWkZ3S0YmcAeM/WpXdyCQ55KJEE4W18Adh4GDgLiGWo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761077732; c=relaxed/simple; bh=s9/l+huTDqZios8gGzFIwaTW/OF6BAVSqOyIE0/qmjM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Cufl669meXOXYDr7hlFHV2cHnGZwsy4ZwyXgUwlWM2soKb32i2QEibJicdRwlzZ5mVknkF4GuNpZe1+I4XP3RfGmdX5vHDIlzJOa2TnN+jUi9rOFkJK5Ns4uAaslWhhvKFJ060yI5nBTDcxtM+pzoparR/+wwnFP2SwQaxaQj+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=D//A0xT2; arc=none smtp.client-ip=195.154.113.88 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="D//A0xT2" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:Message-ID:Date: Subject:Cc:To:From:Content-Type:From:Reply-To:Subject:Content-ID: Content-Description:In-Reply-To:References:X-Debbugs-Cc; bh=iGv5cQ4tDQC4OnHLXP1B80nBSWV3CERfpohMOjbHNOQ=; b=D//A0xT2/1UIkf7F9CG+95nRRj EZmHdFcDtas3rfE5DBd/mL5Lp9Jt7runiyXKLTaXZwb71MN9vPDD7Kw73QNirxu9yqUT67X5Z6UPO S65iJJ2HGUH1Pa/S8l9JlaMMpaQ+YRLlu1mp1Jw8ByDOzjC1kJQD3uLSdUSB3AQ21NMb3j2Cq29rB GQ5PRInJp3W8aqI6twuyA+wrllqMtIZziOkRUvpNXVrmXczAJDpVTldd/SscFu4l4w+J69Fh/Hcwh z3AxbB+hyZccIeB7k65cW0dUN3hryHWbBbDvp8NjYvXg2lZa2GALv68Kgtnlg3vh4U2Fzz+kd1E7e noM65mxQ==; Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vBIl7-00GWo7-1b; Tue, 21 Oct 2025 22:15:05 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Lee Jones , Sebastian Reichel , Troy Mitchell , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE:Keyword:riscv), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support:Keyword:spacemit) Cc: Aurelien Jarno , linux-pm@vger.kernel.org (open list:SYSTEM RESET/SHUTDOWN DRIVERS), linux-riscv@lists.infradead.org (open list:RISC-V SPACEMIT SoC Support), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support) Subject: [PATCH v3 0/2] driver: reset: spacemit-p1: add driver for poweroff/reboot Date: Tue, 21 Oct 2025 22:11:58 +0200 Message-ID: <20251021201451.1013640-1-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This adds poweroff/reboot support for the SpacemiT P1 PMIC chip, which is commonly paired with the SpacemiT K1 SoC. Note: For reliable operation, this driver depends on a this patch that adds atomic transfer support to the SpacemiT I2C controller driver: https://lore.kernel.org/spacemit/20251009-k1-i2c-atomic-v4-1-a89367870286@linux.spacemit.com/ Changes between version 2 and version 3: - Allow building as a module - Remove outdated Acked-by and Tested-by - Collect Reviewed-by Here is version 2 of this series: https://lore.kernel.org/spacemit/20251019191519.3898095-1-aurelien@aurel32.net/ Changes between version 1 and version 2: - Rebase onto v6.18-rc1 - Use dev_err_probe() to simplify the code - Fix indentation of patch 1 - Collect Acked-by and Tested-by Here is version 1 of this series: https://lore.kernel.org/spacemit/20250927220824.1267318-1-aurelien@aurel32.net/ Aurelien Jarno (2): driver: reset: spacemit-p1: add driver for poweroff/reboot mfd: simple-mfd-i2c: add a reboot cell for the SpacemiT P1 chip drivers/mfd/simple-mfd-i2c.c | 1 + drivers/power/reset/Kconfig | 9 +++ drivers/power/reset/Makefile | 1 + drivers/power/reset/spacemit-p1-reboot.c | 88 ++++++++++++++++++++++++ 4 files changed, 99 insertions(+) create mode 100644 drivers/power/reset/spacemit-p1-reboot.c -- 2.47.2