[v4,00/25] firmware: xilinx: Add xilinx specific sysfs interface

Message

Jolly Shah April 9, 2020, 7:11 p.m. UTC

This patch series adds xilinx specific sysfs interface for below
purposes:
- Register access
- Set shutdown scope
- Set boot health status bit

Also this patch series removes eemi ops and adds API
corresponding to each eemi ops.

Rajan Vaja (25):
  firmware: xilinx: Remove eemi ops for get_api_version
  firmware: xilinx: Remove eemi ops for get_chipid
  firmware: xilinx: Remove eemi ops for query_data
  firmware: xilinx: Remove eemi ops for clock_enable
  firmware: xilinx: Remove eemi ops for clock_disable
  firmware: xilinx: Remove eemi ops for clock_getstate
  firmware: xilinx: Remove eemi ops for clock_setdivider
  firmware: xilinx: Remove eemi ops for clock_getdivider
  firmware: xilinx: Remove eemi ops for clock set/get rate
  firmware: xilinx: Remove eemi ops for clock set/get parent
  firmware: xilinx: Use APIs instead of IOCTLs
  firmware: xilinx: Remove eemi ops for reset_assert
  firmware: xilinx: Remove eemi ops for reset_get_status
  firmware: xilinx: Remove eemi ops for init_finalize
  firmware: xilinx: Remove eemi ops for set_suspend_mode
  firmware: xilinx: Remove eemi ops for request_node
  firmware: xilinx: Remove eemi ops for release_node
  firmware: xilinx: Remove eemi ops for set_requirement
  firmware: xilinx: Remove eemi ops for aes engine
  firmware: xilinx: Remove eemi ops for fpga related APIs
  firmware: xilinx: Add APIs to read/write GGS/PGGS registers
  firmware: xilinx: Add sysfs interface
  firmware: xilinx: Add system shutdown API interface
  firmware: xilinx: Add sysfs to set shutdown scope
  firmware: xilinx: Add sysfs and API to set boot health status

 .../ABI/stable/sysfs-driver-firmware-zynqmp        | 103 ++++
 drivers/clk/zynqmp/clk-gate-zynqmp.c               |   9 +-
 drivers/clk/zynqmp/clk-mux-zynqmp.c                |   6 +-
 drivers/clk/zynqmp/clkc.c                          |  17 +-
 drivers/clk/zynqmp/divider.c                       |  12 +-
 drivers/clk/zynqmp/pll.c                           |  29 +-
 drivers/crypto/xilinx/zynqmp-aes-gcm.c             |  12 +-
 drivers/firmware/xilinx/zynqmp-debug.c             |   5 +-
 drivers/firmware/xilinx/zynqmp.c                   | 601 +++++++++++++++++----
 drivers/fpga/zynqmp-fpga.c                         |  12 +-
 drivers/mmc/host/sdhci-of-arasan.c                 |  38 +-
 drivers/nvmem/zynqmp_nvmem.c                       |  11 +-
 drivers/reset/reset-zynqmp.c                       |  26 +-
 drivers/soc/xilinx/zynqmp_pm_domains.c             |  26 +-
 drivers/soc/xilinx/zynqmp_power.c                  |  17 +-
 drivers/spi/spi-zynqmp-gqspi.c                     |   5 -
 include/linux/firmware/xlnx-zynqmp.h               | 237 ++++++--
 17 files changed, 861 insertions(+), 305 deletions(-)
 create mode 100644 Documentation/ABI/stable/sysfs-driver-firmware-zynqmp

--
Changes in v4:
 - Rebased on latest repository.
 - Resolve compilation errors from patch #1 - #20.
 - Add patch #19 to remove eemi ops for aes engine.
 - [PATCH 11/25]:
   - Add API for SD DLL reset.
   - Rebase on latest repository.
 - [PATCH 21/25]:
   - Use explicit values for enums.
 - [PATCH 22/25]:
   - Remove function header for static functions.
   - Remove unnecessary condition checks.
   - Use one value per file.
   - Use ATTRIBUTE_GROUPS() macro for assigning attribute groups.
   - Remove unnecessary inclusion of header file.
 - [PATCH 23/25]:
   - Use explicit values for enums.
 - [PATCH 24/25]:
   - Use ATTRIBUTE_GROUPS() macro for assigning attribute groups.
 - [PATCH 25/25]:
   - Use dev_err() instead of pr_err().
   - Use ATTRIBUTE_GROUPS() macro for assigning attribute groups.
Changes in v3:
 - add patch #1/24 to #11/24 and #12/24 to #20/24 to remove eemi apis
   and use direct function call.
 - Add patch #11/24 to use ZynqMP APIs of IOCTLs instead of IOCTLs
   and remove IOCTLs for ZynqMP.
 - Add patch #20/24 to add APIs for read/write GGS and PGGS registers.
 - [PATCH 21/24]:
   - Add GGS sysfs interface in zynqmp.c file instead of zynqmp_ggs.c.
   - Use platform device directory for sysfs instead of creating new
     directory in firmware.
   - Change kernel version to 5.6.
   - Set count variable to the error value instead of testing ret
     variable at the end of function to store GGS/PGGS.
   - Use ZynqMP firmware API for write/read PGGS and GGS instead of
     ioctls.
   - Use platform device attribute off instead of creating new kobject.
   - Change Date field in documentation.
 - [PATCH 23/24]:
   - Use platform device directory for sysfs instead of creating new
     directory in firmware.
   - Change kernel version to 5.6.
   - Change Date field in documentation.
 - [PATCH 24/24]:
   - Use platform device directory for sysfs instead of creating new
     directory in firmware.
   - Change kernel version to 5.6.
   - Change Date field in documentation.
   - Add eemi API to set boot health status instead of IOCTL.
Changes in v2:
 - Removed patch #1 for register access sysfs.
 - Updated kernel version in documentation.
 - Used DEVICE_ATTR_* and ATTRIBUTE_GROUPS macros.
 - Correct typo
 - Free Kobject structure in case of error.
 - Resolved smatch errors.
 - Updated Signed-off-by sequence.