On Thu, Aug 03, 2017 at 12:02:12PM +0000, Vadim Pasternak wrote: > This patch adds core regmap platform driver for Mellanox BMC cards with > the programmable devcies based chassis control. The device logics, > controlled by software includes: > - Interrupt handling for chassis, ASIC, CPU events; > - LED handling; > - Exposes through sysfs mux, reset signals, reset cause notification; > The patch provides support for the access to programmable device through > the register map and allows dynamic device tree manipulation at runtime > for removable devices. > > This driver requires activator driver, which responsibility is to create > register map and pass it to regmap core. Such activator could be based for > example on I2C, SPI or MMIO interface. > > Drivers exposes the number of hwmon attributes to sysfs according to the > attribute groups, defined in the device tree. These attributes will be > located for example in /sys/class/hwmon/hwmonX folder, which is a symbolic > link to for example: > /sys/bus/i2c/devices/4-0072/mlxreg-core.1138/hwmon/hwmon10. > The attributes are divided to the groups, like in the below example: > MUX nodes > - safe_bios_disable > - spi_burn_bios_ci > - spi_burn_ncsi > - uart_sel > Reset nodes: > - sys_power_cycle > - bmc_upgrade > - asic_reset > Cause of reset nodes: > - cpu_kernel_panic > - cpu_shutdown > - bmc_warm_reset > PSU nodes' statuses > - psu1 > - psu2 > FAN nodes' statuses: > - fan1 > - fan2 > Power cable nodes' statuses: > - pwr1 > - pwr2 > Asic nodes' statuses: > - asic1 > - asic2 > General purpose RW nodes: > - version > > Drivers also probes LED platform driver, in case device tree description > contains LED nodes. > > Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx> > --- > v2->v3: > Changes added by Vadim: > - Change name of field led data in struct mlxreg_core_led_platform_data > in mlxreg.h; > - fix data position assignment in mlxreg_core_get; > - update name of field led data in mlxreg_core_set_led; > v1->v2: > Comments pointed out by Pavel: > - Remove extra new line in mellanox,mlxreg-core; > - Replace three NOT with one in mlxreg_core_attr_show; > - Make error message in mlxreg_core_work_helper shorter; > - Make attribute assignment more readable; > - Separate mellanox,mlxreg-core file for sending to DT mainataners. > Comments pointed out by Jacek: > - Since brightness_set_blocking is used instead of > brightness_set, three fields from mlxreg_core_led_data. > --- > .../devicetree/bindings/vendor-prefixes.txt | 1 + Please make this a separate patch. > MAINTAINERS | 7 + > drivers/mfd/Kconfig | 15 + > drivers/mfd/Makefile | 1 + > drivers/mfd/mlxreg-core.c | 1263 ++++++++++++++++++++ > include/linux/platform_data/mlxreg.h | 87 ++ > 6 files changed, 1374 insertions(+) > create mode 100644 drivers/mfd/mlxreg-core.c > create mode 100644 include/linux/platform_data/mlxreg.h > diff --git a/MAINTAINERS b/MAINTAINERS > index 767e9d2..bcb7f45 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -8294,6 +8294,13 @@ S: Supported > F: drivers/input/touchscreen/melfas_mip4.c > F: Documentation/devicetree/bindings/input/touchscreen/melfas_mip4.txt > > +MELLANOX BMC MFD DRIVERS > +M: Vadim Pasternak <vadimp@xxxxxxxxxxxx> > +S: Supported > +F: Documentation/devicetree/bindings/mfd/mellanox,mlxreg-core The binding should be part of this series. And add a ".txt" to this file. > +F: drivers/mfd/mlxreg-core.c > +F: include/linux/platform_data/mlxreg.h > + > MELLANOX ETHERNET DRIVER (mlx4_en) > M: Tariq Toukan <tariqt@xxxxxxxxxxxx> > L: netdev@xxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
