From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpcmd15176.aruba.it (smtpcmd15176.aruba.it [62.149.156.176]) (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 917431BBBD8 for ; Thu, 31 Oct 2024 16:38:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.149.156.176 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730392705; cv=none; b=CNdIIR85VY2rkhzCuOjbgdI/R8F6PwXqLORxHdRFE6mWI1NREqBuECEhx+VjGKBacrgKntJOwJRvJQVsBhIfyucAHfvXVNyFxE68IGiwfv+izb0pMXz8YxoAQadZkGqBzMgHu+CQBKXf6AWSJJbbKAHW76JNso9CtlYqD11ODAo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730392705; c=relaxed/simple; bh=QHCTcDHh9G125r7NA7Zw5G3TKp3bPoZnaDdbcmBx/WA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=lPk0ZiAE3SEHpGd+l6077iHG+Ta4k1lfEPQ2WFQFjGuWZzMXOPUnoe04MlVeD0GuMrtAj1kFmJNObilrF1fuBZ12HyepLOqWm1Y0m3noV3UbX9Sr+I5WDkFT+stPxUOCMPY8LA1ThLe5OY1qZr3KvOSr69OoRrHccwriT+RpSek= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=enneenne.com; spf=pass smtp.mailfrom=enneenne.com; dkim=temperror (0-bit key) header.d=aruba.it header.i=@aruba.it header.b=cR5xwb33; arc=none smtp.client-ip=62.149.156.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=enneenne.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=enneenne.com Authentication-Results: smtp.subspace.kernel.org; dkim=temperror (0-bit key) header.d=aruba.it header.i=@aruba.it header.b="cR5xwb33" Received: from polimar.everex.local ([79.0.204.227]) by Aruba Outgoing Smtp with ESMTPSA id 6Y8atb5dFqJRS6Y8atNuFA; Thu, 31 Oct 2024 17:35:11 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1730392511; bh=QHCTcDHh9G125r7NA7Zw5G3TKp3bPoZnaDdbcmBx/WA=; h=From:To:Subject:Date:MIME-Version; b=cR5xwb33gBC/xTG1X+4jBGBxhdwv1XZ2YffJMoljENlapUqegJ2RQox990n0YmJ+I dM58lZYAVAwuKNTpg6gPe9k1mYvv2gaLqqY8X+TQF5hcA4wpaxa3dhIqWmpypiWs/3 5SjS3CAjyfRQlwnZMCNh0epADq5ri6o100DkMs0D2Yh9JRELjd5aZlKVJPgW6SjNXf PN1Gfw2su6TLejSY7v96Ch7zqB4v05ytRI6OkUizxf0JAf1ByY7BXyNWbX6pWIuWD7 KwiubcG93pA+KObNreKtuRraTifer6tqU6OGk4Zzqs9wBJb4gtunuOt2zjoAnO/juL KeT/wtFoZPKtg== From: Rodolfo Giometti To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Greg KH , corbet@lwn.net, Hall Christopher S , Mohan Subramanian , tglx@linutronix.de, Andy Shevchenko , Dong Eddie , N Pandith , T R Thejesh Reddy , Zage David , Chinnadurai Srinivasan , Randy Dunlap , Rodolfo Giometti Subject: [V2 0/4] Add PPS generators Date: Thu, 31 Oct 2024 17:35:04 +0100 Message-Id: <20241031163508.259522-1-giometti@enneenne.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4xfN/FxSRnUHB8WmG0CP+7byCawZGM+hNWPsQQe7XCZ8BG6h94SNtY3v8NkMD6m77ludedH4mu/SejsdPh1Qkgnq1AJw6JrKoxc0lrTKjYyVfqMlpUFe0J 3oq2GuqyBUkU5oLMhfTNAVCtc+Al5t3aUP5HUvjw9PAM2CSeisVSFzou9hLuABhKbZ3IVj+MBZ1k+25gQ5Oh6FqegXlFpBt/io0nx7oqvSlInTAuwFFogD3c vOI2LlKHEGNKYY2PG7IPt+wlaLpb4GoJp83zTTESoeIKjJ6FKCTPmUAVYFT8jMM1QK11AsOIBoLRrQKJgtqeZpB1heIOQVCdAP4fNhX48724+P3M14egsyH7 O8iaJawf1h1CdTekqeFFEuaFzByUk5mkAH+C0U8KORUYtC/EnRkQnWATOZ1tcl40kAhOFlrj51GcjMqMNLiwWy/fkb/1qlTBVsTdesdZwATk3gvCFzO0wGme aXTRc3gosfDLpFZJHBM1ab9r6oC3sGqdWXnWHY+8QMOVS2fu+8QyBWbG3GYUfLuy06I7vBAE9orsTeyWb3sLvDBilrDlRN6B6gSgzCxms4J5nn99BwZSDH1a tVDqQp3i+W8DxdQv528GVGo8vDv49fo4UCJPrewkCygXz4Cm/zRPnKPnOOzLV5yfzihISGsyYe6XbXxMwomXLfns1uff/oqeGcslinXbBnV4/Ny1JXUMSssx Rljyh3qJkap2w+RiktjKn8PKh/nbf/tO PPS generators are special hardware which are able to produce PPS (Pulse Per Second) signals. This patchset adds PPS generators class in order to have a well-defined interface for these devices. Changelog: V1 -> V2: * new file Documentation/ABI/testing/sysfs-pps-gen added in MAINTAINERS * date for the documentation ABI set to v6.13 which will be released on 2025-02 * removed documentation for non-existent sysfs "name" entry * spelling and/or syntax errors fixed RFC -> V1: * char device reworked (get_device/set_device) * dummy driver has been moved in a separate patch * idr_ replaced with ida_* functions * fixes in include/uapi/linux/pps_gen.h * MAINTAINERS updated * new ioctl PPS_GEN_USESYSTEMCLOCK added * new ioctl PPS_GEN_FETCHEVENT added * .compat_ioctl dropped * WARN_ON() removed from pps_gen_cdev_release() * not needed pr_*() calls removed or replaced with dev_*() * more quite driver * name attribute dropped * white spaces removed Rodolfo Giometti (4): drivers pps: add PPS generators support drivers pps/generators: add dummy PPS generator Documentation pps.rst: add PPS generators documentation Documentation ABI: add PPS generators documentation Documentation/ABI/testing/sysfs-pps-gen | 38 ++ Documentation/driver-api/pps.rst | 40 ++ .../userspace-api/ioctl/ioctl-number.rst | 1 + MAINTAINERS | 2 + drivers/pps/Makefile | 3 +- drivers/pps/generators/Kconfig | 22 +- drivers/pps/generators/Makefile | 4 + drivers/pps/generators/pps_gen-dummy.c | 96 +++++ drivers/pps/generators/pps_gen.c | 344 ++++++++++++++++++ drivers/pps/generators/sysfs.c | 75 ++++ include/linux/pps_gen_kernel.h | 78 ++++ include/uapi/linux/pps_gen.h | 37 ++ 12 files changed, 738 insertions(+), 2 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-pps-gen create mode 100644 drivers/pps/generators/pps_gen-dummy.c create mode 100644 drivers/pps/generators/pps_gen.c create mode 100644 drivers/pps/generators/sysfs.c create mode 100644 include/linux/pps_gen_kernel.h create mode 100644 include/uapi/linux/pps_gen.h -- 2.34.1