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 6EC5A2F5E; Sun, 2 Nov 2025 23:04:15 +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=1762124657; cv=none; b=HTrpYxTcETDvRC6njBiT8OMQDapEVz1SmYpmTUJBU0h/TqIIDDHvBGxaaf15roq+7+dL+hvuVCiFdimnfejZu8Av+Yh8fn7uCGbsmjDM4w93Uc0vJp2PPPMmg23VDdQsZrsk4qg7XNSc1ZQlu4E/ThMpqnpVZ5a1YOUsvDb3CX4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762124657; c=relaxed/simple; bh=5290Ho6vbge4q/aqDYKoOIh6MSojfK8wUvfYaL8M2yE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=cXltgDtbHhFGOoDHpd4ZAY4whlbc7BpqhBQKmWdHKo9GxOkgkzVTg0JnJG0KiMGLs9TTfeJ2ZRDCnCOQCvC2PFcc1t05uZ+iv7dR/URx/oQTQBTM48wawLbiGvvNx6FFmFSuNG0jIjVYqP+Dqklvs3zoC6fvMRBl1ltuKmHr3Zw= 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=th/uZL9g; 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="th/uZL9g" 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=0rN/IbAVtI1MLMhGfl/KVAMt/bd2mDCGlXcVuloPPUE=; b=th/uZL9g4MyQj/WGDr2kXpBCFj gVPV+kDCjHo5toWCTtppAGC3rB6NfBewBlFy0In4OzgfDtEbk85tdeqHiWp4IrTmKYB/dfIRWWyId hHnv5E2sVeCRGvlulFKegtBjAd5OMz0HFeaUx3U0f/Iy3ee3+nEoSUCGMK5JwjtbRi03TGZD3KjKD 2nSsHGgQw1L2UN8kGy4j/4O6OkrXK9rbxLW0QV1uZ9MsXr1PhhZM7CHqvlAGPXZzE75+zbSMzwyI0 rvyakE4e4b+yGuukmjVO1u4Sqny7Gn7Dmu6tERHQ5MYUPX8ySEtP9nhFoHY00tu6pHsZzdhWghF4J XCYWaRYA==; 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 4.98.2) (envelope-from ) id 1vFh7A-00000006eMG-0JNf; Mon, 03 Nov 2025 00:04:00 +0100 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 v5 0/2] driver: reset: spacemit-p1: add driver for poweroff/reboot Date: Mon, 3 Nov 2025 00:01:58 +0100 Message-ID: <20251102230352.914421-1-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 4 and version 5: - Change default to "MFD_SPACEMIT_P1" Here is version 4 of this series: https://lore.kernel.org/spacemit/20251026224424.1891541-1-aurelien@aurel32.net/ Changes between version 3 and version 4: - Replace the "select" by a "depends on" - Remove outdated Reviewed-by Here is version 3 of this series: https://lore.kernel.org/spacemit/20251021201451.1013640-1-aurelien@aurel32.net/ 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