On Fri, 15 May 2020, Tim Harvey wrote: > The Gateworks System Controller (GSC) is an I2C slave controller > implemented with an MSP430 micro-controller whose firmware embeds the > following features: > - I/O expander (16 GPIO's) using PCA955x protocol > - Real Time Clock using DS1672 protocol > - User EEPROM using AT24 protocol > - HWMON using custom protocol > - Interrupt controller with tamper detect, user pushbotton > - Watchdog controller capable of full board power-cycle > - Power Control capable of full board power-cycle > > see http://trac.gateworks.com/wiki/gsc for more details > > Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx> > Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx> > --- > v11: > - fix compile error > > v10: > - fix typo and gramatical errors in Kconfig and comment block > - drop unused i2c device-id table > - added Lee's ack in s-o-b > > v9: > - rebase against 5.7-rc2 > - cleanup gsc_powerdown() by using BIT(), put_unaligned_le32(), and avoid > unnecessary assignments > - rename GSC_CTRL_1 SLEEP related defines to simplify > - add better description and sub-module info to driver description > - whitespace changes per review > - remove unused irq_data pointer in ddata > - remove unnecesary i2c_set_clientdata > - use devm_i2c_new_dummy_device to avoid need of free's > - change regsiter definitions to enum > - export gsc_{read,write} instead of sharing them via ddata > > v8: > - whitespace fixes > - describe sub-devices in Kconfig > - add error print for invalid command > - update copyright > - use devm_of_platform_populate > - use probe_new > - move hwmon's regmap init to hwmon > > v7: > - remove irq from private data struct > > v6: > - remove duplicate signature and fix commit log > > v5: > - simplify powerdown function > > v4: > - remove hwmon max reg check/define > - fix powerdown function > > v3: > - rename gsc->gateworks-gsc > - remove uncecessary include for linux/mfd/core.h > - upercase I2C in comments > - remove i2c debug > - remove uncecessary comments > - don't use KBUILD_MODNAME for name > - remove unnecessary v1/v2/v3 tracking > - unregister hwmon i2c adapter on remove > > v2: > - change license comment block style > - remove COMPILE_TEST (Randy) > - fixed whitespace issues > - replaced a printk with dev_err > --- > MAINTAINERS | 8 ++ > drivers/mfd/Kconfig | 15 +++ > drivers/mfd/Makefile | 1 + > drivers/mfd/gateworks-gsc.c | 277 ++++++++++++++++++++++++++++++++++++++++++++ > include/linux/mfd/gsc.h | 76 ++++++++++++ > 5 files changed, 377 insertions(+) > create mode 100644 drivers/mfd/gateworks-gsc.c > create mode 100644 include/linux/mfd/gsc.h Applied, thanks. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
