linux-kernel - [PATCH v3 0/3] add PMCI driver support

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Date:   Fri, 24 Jun 2022 05:22:26 -0400
From:   Tianfei Zhang <tianfei.zhang@...el.com>
To:     yilun.xu@...el.com, lee.jones@...aro.org
Cc:     hao.wu@...el.com, trix@...hat.com, linux-kernel@...r.kernel.org,
        linux-fpga@...r.kernel.org, russell.h.weight@...el.com,
        matthew.gerlach@...ux.intel.com,
        Tianfei Zhang <tianfei.zhang@...el.com>
Subject: [PATCH v3 0/3] add PMCI driver support

PMCI(Platform Management Control Interface) is a software-visible
interface, connected to card BMC which provided basic register
access functionality from host to Card BMC. This pmci-bmc driver
leverages the regmap APIs to support Intel specific Indirect
Register Interface for register read/write on PMCI driver. 

This patchset adding a driver for the PMCI-base interface of Intel
MAX10 BMC controller.

patch 1: use ddata for local variables which directly interacts with
dev_get_drvdata()/dev_set_drvdata().
patch 2: add a driver for PMCI.
patch 3: introduce a new member in intel_m10bmc for the different
base register address of MAX10 CSRs.

v3:
  - create a new intel-m10-bmc-pmci driver, and discard the bmc-core
    file which adds in v2.
  - create a new file for sysfs-driver-intel-m10-bmc-pmci ABI.
  - remove the regmap_access_table
  - introduce a new member "base" in intel_m10bmc for different base
    register address.
  - rebased on 5.19-rc3
v2:
  - use regmap APIs to support Intel specific Indirect Register Interface
    on PMCI driver.
  - fix compile warning reported by lkp.
  - rebased on 5.19-rc2

Tianfei Zhang (3):
  mfd: intel-m10-bmc: rename the local variables
  mfd: intel-m10-bmc: add PMCI driver
  mfd: intel-m10-bmc: support different BMC base register address

 .../testing/sysfs-driver-intel-m10-bmc-pmci   |  36 +++
 drivers/mfd/Kconfig                           |  10 +
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/intel-m10-bmc-pmci.c              | 278 ++++++++++++++++++
 drivers/mfd/intel-m10-bmc.c                   |  11 +-
 include/linux/mfd/intel-m10-bmc.h             |  12 +-
 6 files changed, 342 insertions(+), 6 deletions(-)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-pmci
 create mode 100644 drivers/mfd/intel-m10-bmc-pmci.c

-- 
2.26.2