From: "Edward A. James" <eaja...@us.ibm.com> This patchset adds a hwmon driver to support the OCC (On-Chip Controller) on the IBM POWER8 and POWER9 processors, from a BMC (Baseboard Management Controller). The OCC is an embedded processor that provides real time power and thermal monitoring.
The driver provides an interface on a BMC to poll OCC sensor data, set user power caps, and perform some basic OCC error handling. It interfaces with userspace through hwmon. The driver is currently functional only for the OCC on POWER8 chips. Communicating with the POWER9 OCC requries FSI support. Edward A. James (6): hwmon: Add core On-Chip Controller support for POWER CPUs hwmon: occ: Add sysfs interface hwmon: occ: Add I2C transport implementation for SCOM operations hwmon: occ: Add callbacks for parsing P8 OCC datastructures hwmon: occ: Add hwmon implementation for the P8 OCC hwmon: occ: Add callbacks for parsing P9 OCC datastructures Documentation/devicetree/bindings/hwmon/occ.txt | 13 + Documentation/hwmon/occ | 114 ++++++ MAINTAINERS | 7 + drivers/hwmon/Kconfig | 2 + drivers/hwmon/Makefile | 1 + drivers/hwmon/occ/Kconfig | 29 ++ drivers/hwmon/occ/Makefile | 2 + drivers/hwmon/occ/occ.c | 470 ++++++++++++++++++++++++ drivers/hwmon/occ/occ.h | 80 ++++ drivers/hwmon/occ/occ_p8.c | 247 +++++++++++++ drivers/hwmon/occ/occ_p8.h | 30 ++ drivers/hwmon/occ/occ_p9.c | 308 ++++++++++++++++ drivers/hwmon/occ/occ_p9.h | 30 ++ drivers/hwmon/occ/occ_scom_i2c.c | 77 ++++ drivers/hwmon/occ/occ_scom_i2c.h | 26 ++ drivers/hwmon/occ/occ_sysfs.c | 251 +++++++++++++ drivers/hwmon/occ/occ_sysfs.h | 30 ++ drivers/hwmon/occ/p8_occ_i2c.c | 104 ++++++ drivers/hwmon/occ/scom.h | 47 +++ 19 files changed, 1868 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/occ.txt create mode 100644 Documentation/hwmon/occ create mode 100644 drivers/hwmon/occ/Kconfig create mode 100644 drivers/hwmon/occ/Makefile create mode 100644 drivers/hwmon/occ/occ.c create mode 100644 drivers/hwmon/occ/occ.h create mode 100644 drivers/hwmon/occ/occ_p8.c create mode 100644 drivers/hwmon/occ/occ_p8.h create mode 100644 drivers/hwmon/occ/occ_p9.c create mode 100644 drivers/hwmon/occ/occ_p9.h create mode 100644 drivers/hwmon/occ/occ_scom_i2c.c create mode 100644 drivers/hwmon/occ/occ_scom_i2c.h create mode 100644 drivers/hwmon/occ/occ_sysfs.c create mode 100644 drivers/hwmon/occ/occ_sysfs.h create mode 100644 drivers/hwmon/occ/p8_occ_i2c.c create mode 100644 drivers/hwmon/occ/scom.h -- 1.8.3.1
