drivers: hwmon: Add On-Chip Controller driver
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- v1 Latest7 patches 11 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/7 | hwmon: Add core On-Chip Controller support for POWER CPUsDocumentation/ drivers/ drivers/ +5 more | +712 | 4 replies | |
| 2/7 | hwmon: occ: Add sysfs interfaceDocumentation/ drivers/ drivers/ +1 more | +593 | 1 reply | |
| 3/7 | hwmon: occ: Add I2C transport implementation for SCOM operationsdrivers/ drivers/ | +93 | 1 reply | |
| 4/7 | hwmon: occ: Add callbacks for parsing P8 OCC datastructuresDocumentation/ drivers/ drivers/ | +256 | 1 reply | |
| 5/7 | hwmon: occ: Add hwmon implementation for the P8 OCCDocumentation/ drivers/ drivers/ +1 more | +169 | 1 reply | |
| 6/7 | arm: aspeed: dts: Add I2C POWER8 OCC compatible stringarch/ | +9 | 1 reply | |
| 7/7 | hwmon: occ: Add callbacks for parsing P9 OCC datastructuresDocumentation/ drivers/ drivers/ | +276 | 1 reply |
Reviews trailers per patch
2 of 7 patches have a Reviewed-by or Acked-by.
| Patch | Andrew Jeffery |
|---|---|
| 1/7 | |
| 2/7 | R-b |
| 3/7 | |
| 4/7 | |
| 5/7 | |
| 6/7 | R-b |
| 7/7 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH linux 0/7] drivers: hwmon: Add On-Chip Controller driver
From: "Edward A. James" <[email protected]>
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 (7):
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
arm: aspeed: dts: Add I2C POWER8 OCC compatible string
hwmon: occ: Add callbacks for parsing P9 OCC datastructures
.../devicetree/bindings/i2c/i2c-ibm-occ.txt | 13 + Documentation/hwmon/occ | 100 ++++ arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 9 + drivers/hwmon/Kconfig | 2 + drivers/hwmon/Makefile | 1 + drivers/hwmon/occ/Kconfig | 29 ++ drivers/hwmon/occ/Makefile | 2 + drivers/hwmon/occ/occ.c | 519 +++++++++++++++++++++ drivers/hwmon/occ/occ.h | 86 ++++ drivers/hwmon/occ/occ_p8.c | 217 +++++++++ drivers/hwmon/occ/occ_p8.h | 30 ++ drivers/hwmon/occ/occ_p8_i2c.c | 141 ++++++ drivers/hwmon/occ/occ_p9.c | 243 ++++++++++ drivers/hwmon/occ/occ_p9.h | 30 ++ drivers/hwmon/occ/occ_scom_i2c.c | 67 +++ drivers/hwmon/occ/occ_scom_i2c.h | 26 ++ drivers/hwmon/occ/occ_sysfs.c | 492 +++++++++++++++++++ drivers/hwmon/occ/occ_sysfs.h | 52 +++ drivers/hwmon/occ/scom.h | 48 ++ 19 files changed, 2107 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-ibm-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_p8_i2c.c 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/scom.h
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