Ping! > -----Original Message----- > From: Anand Ashok Dumbre <anand.ashok.dumbre@xxxxxxxxxx> > Sent: Friday 3 December 2021 9:24 PM > To: linux-kernel@xxxxxxxxxxxxxxx; jic23@xxxxxxxxxx; lars@xxxxxxxxxx; linux- > iio@xxxxxxxxxxxxxxx; git <git@xxxxxxxxxx>; Michal Simek > <michals@xxxxxxxxxx>; gregkh@xxxxxxxxxxxxxxxxxxx; rafael@xxxxxxxxxx; > linux-acpi@xxxxxxxxxxxxxxx; heikki.krogerus@xxxxxxxxxxxxxxx > Cc: Anand Ashok Dumbre <ANANDASH@xxxxxxxxxx> > Subject: [PATCH v12 0/5] Add Xilinx AMS Driver > > Add Xilinx AMS driver which is used for Xilinx's ZynqMP AMS controller. > This AMS driver is used to report various interface voltages and > temperatures across the system. > This driver will be used by iio-hwmon to repport voltages and temperatures > across the system by using various channel interfaces. > This driver handles AMS module including PS-Sysmon & PL-Sysmon. The > binding documentation is added for understanding of AMS, PS, PL Sysmon > Channels. > > Changes in v2: > - Added documentation for sysfs (Patch-2) > - Addressed code style review comments > - Patch-2 (Now it is Patch-3) > - Arranged the includes in alphabetical order > - Removed the wrapper 'ams_pl_write_reg()' and used writel > instead > - Removed the unnecessary delay of 1ms and used polling of > EOC > instead > - Removed spin_lock and used mutex only. > - Used request_irq() instead of devm_request_irq() and > handled > respective error conditions > - Moved contents of xilinx-ams.h to inline with xilinx-ams.c > - Patch-1 > - Addressed Documentation style comments > > Changes in v3: > - Updated bindings document with the suggested modification in v2 > review > - Removed documentation for sysfs > - Removed extended names for channels in the Xilinx AMS driver > - Modified dts to use ranges for child nodes > - Reduced address and size cells to 32-bit instead of 64-bit > > Changes in v4: > - Updated bindings document with the suggested modification in v3 > review > - Changed the Device Tree property 'ranges' for child nodes > - Used Channel Numbers as 'reg' value in DT to avoid confusion > - Removed unused NULL arguments as suggested in v3 patch review > - Addressed comments on Device Tree property naming > > Changes in v5: > - Updated bindings document to the YAML format > - Updated bindings document with the suggested modification in v4 > review > - Renamed iio_pl_info struct to iio_ams_info in Xilinx AMS driver > - Updated the Xilinx AMS driver to not use iio_priv_to_dev function > - Updated Xilinx AMS node to reflect the changes in bindings > document > - Update MAINTAINERS file > > Changes in v6: > - Removed all tabs from bindings document. > - Removed the xlnx,ext-channels node from the device tree since > it is not neeeded. > - Fixed unit addresses for ps-ams and pl-ams. > - Removed the names property from bindings. > - Fixed warnings from checkpatch.pl in the driver. > - devm_add_action_or_reset() used for exit/error path. > - devm_request_irq() for managed irq request instead of > request_irq() > > Changes in v7: > - Added use of FIELD_PREP and FIELD_GET. > - Added the spinlocks back the v1 which were removed in v2 for > no justifiable reason and replaced with the same mutex. This > caused deadlocks. > - Removed the buffered mode information from channel config. > - Usage of wrapper functions for devm_add_action_or_reset > callbacks to avoid typecasting functions. > - Usage of devm_platform_iremap_resource(). > - Handled platform_get_irq() return values. > - Removed the remove() callback. > - Fixed the dt-bindings. > > Changes in v8: > - Replaced *_of_() APIs with fwnode. > - Added missing headers. > - Fixed documentation. > - Added devm_add_action_or_reset() for iounmap. > - Restructured read_raw function. > - Added helper functions. > - Usage of GENMASK for all masks. > - Added defaults for most switch cases. Some can't be added > since the default will never occur. > > Changes in v9: > - Added a fwnode_iomap(). > - Fixed Kconfig indentation. > - Added the overflow checks before memory allocation. > - Usage of fwnode_iomap() instead of iomap(). > - Rename ams_parse_dt() to ams_parse_firmware(). > > Changes in v10: > - Fixed licence in zynqmp.dtsi. > - Changed the macros to use BIT(). > - Realign some code to fit within 100 chars. > - Modified readl_poll_timeout usage. > - Usage of array_size() instead of check_mul_overflow(). > - Usage of dev_err_probe() instead of dev_err(). > - Usage of kcalloc instead of kzalloc() > > Changes in v11: > - Added missing bitfield.h. > - Fixed AMS_ALARM_THR_MIN macro. > - Added terminators to enums where necessary. > - Added explicit values as suggested to enums. > - Removed redundant macros. > - Added delay value for readl_poll_timeout. > - Corrected shadowed error return. > - Corrected formatting errors. > - Added default cases where missing. > - Made ams_parse_firmware() a single parameter functions. > - Usage of devm_kcalloc() and devm_krealloc(). > - Directly returning from dev_err_probe(). > - Renamed masked_alarm to current_masked_alarm. > > Changes in v12: > - GENMASK_ULL usage for 64bit values. > - Added ams_iounmap_ps and amsiomap_pl instead of generic > function. > - Hex values to use all capital letters. > - Fixed a case of wrong kernel doc. > - Modified macro voltage names to reflect the scale. > - Maximize single line usage wherever possible. > - Handling of fwnode_iomap when CONFIG_OF_ADDRESS is not > enabled. > - ams_read_raw() - Reduce the size of switch statements by > using helper functions for IIO_CHAN_INFO_SCALE. > - ams_read_raw() - Mutex unlocking in a single place using goto. > > Anand Ashok Dumbre (5): > device property: Add fwnode_iomap() > arm64: zynqmp: DT: Add Xilinx AMS node > iio: adc: Add Xilinx AMS driver > dt-bindings: iio: adc: Add Xilinx AMS binding documentation > MAINTAINERS: Add maintainer for xilinx-ams > > .../bindings/iio/adc/xlnx,zynqmp-ams.yaml | 227 +++ > MAINTAINERS | 7 + > arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 24 + > drivers/base/property.c | 16 + > drivers/iio/adc/Kconfig | 15 + > drivers/iio/adc/Makefile | 1 + > drivers/iio/adc/xilinx-ams.c | 1450 +++++++++++++++++ > include/linux/property.h | 2 + > 8 files changed, 1742 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml > create mode 100644 drivers/iio/adc/xilinx-ams.c > > -- > 2.17.1
