korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-19 00:54:41 +08:00
Code Issues Packages Projects Releases Wiki Activity
4de8c93a47
linux/Documentation/ABI/testing/usb-charger-uevent

55 lines
1.7 KiB
Plaintext
Raw Normal View History

Doc: ABI: add usb charger uevent When the USB charger is inserted or removed, the users could get USB charger state and type through the uevent. Signed-off-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/1579145333-1657-2-git-send-email-peter.chen@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-16 11:28:53 +08:00
What: Raise a uevent when a USB charger is inserted or removed
Date: 2020-01-14
KernelVersion: 5.6
Contact: linux-usb@vger.kernel.org
Description: There are two USB charger states:
docs: ABI: cleanup several ABI documents There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30 15:40:50 +08:00
- USB_CHARGER_ABSENT
- USB_CHARGER_PRESENT
Doc: ABI: add usb charger uevent When the USB charger is inserted or removed, the users could get USB charger state and type through the uevent. Signed-off-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/1579145333-1657-2-git-send-email-peter.chen@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-16 11:28:53 +08:00
There are five USB charger types:
docs: ABI: cleanup several ABI documents There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30 15:40:50 +08:00
======================== ==========================
USB_CHARGER_UNKNOWN_TYPE Charger type is unknown
USB_CHARGER_SDP_TYPE Standard Downstream Port
USB_CHARGER_CDP_TYPE Charging Downstream Port
USB_CHARGER_DCP_TYPE Dedicated Charging Port
USB_CHARGER_ACA_TYPE Accessory Charging Adapter
======================== ==========================
Doc: ABI: add usb charger uevent When the USB charger is inserted or removed, the users could get USB charger state and type through the uevent. Signed-off-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/1579145333-1657-2-git-send-email-peter.chen@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-16 11:28:53 +08:00
https://www.usb.org/document-library/battery-charging-v12-spec-and-adopters-agreement
docs: ABI: cleanup several ABI documents There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30 15:40:50 +08:00
Here are two examples taken using ``udevadm monitor -p`` when
USB charger is online::
UDEV change /devices/soc0/usbphynop1 (platform)
ACTION=change
DEVPATH=/devices/soc0/usbphynop1
DRIVER=usb_phy_generic
MODALIAS=of:Nusbphynop1T(null)Cusb-nop-xceiv
OF_COMPATIBLE_0=usb-nop-xceiv
OF_COMPATIBLE_N=1
OF_FULLNAME=/usbphynop1
OF_NAME=usbphynop1
SEQNUM=2493
SUBSYSTEM=platform
USB_CHARGER_STATE=USB_CHARGER_PRESENT
USB_CHARGER_TYPE=USB_CHARGER_SDP_TYPE
USEC_INITIALIZED=227422826
USB charger is offline::
KERNEL change /devices/soc0/usbphynop1 (platform)
ACTION=change
DEVPATH=/devices/soc0/usbphynop1
DRIVER=usb_phy_generic
MODALIAS=of:Nusbphynop1T(null)Cusb-nop-xceiv
OF_COMPATIBLE_0=usb-nop-xceiv
OF_COMPATIBLE_N=1
OF_FULLNAME=/usbphynop1
OF_NAME=usbphynop1
SEQNUM=2494
SUBSYSTEM=platform
USB_CHARGER_STATE=USB_CHARGER_ABSENT
USB_CHARGER_TYPE=USB_CHARGER_UNKNOWN_TYPE
Reference in New Issue Copy Permalink