Renesas 8T49N241 device driver

Hi,

driver is under review for quite a long time with very small change required. I have added that reported changes to driver and sending new version.

Please also ignore "No changes since v1) in patches. It is created by patman (tool I use for sending patches).

Thanks,
Michal

Changes in v9:
- Integrate issues reported by Dan
https://lore.kernel.org/all/[email protected]/
Changes in v8:
* Use __ffs instead of ffs
* Change from 64 bit to 32 bit division
* Minor math changes to avoid possible overflow
Changes in v7:
* Rebase on v5.15-rc6
* Rename renesas24x_* functions to r8t49n24x_*
* Implement determine_rate instead of round_rate
* Implement prepare/unprepare
* Use devm_clk_get_optional and ensure clk0, clk1, and xtal are attempted before dev_err_probe
* Use ffs() in __renesas_bits_to_shift
* Remove regmap read/write retry
* More consistent debug logging
* Resolved many C related naming and initialization issues
Changes in v6:
* Rebase on v5.15-rc1
* Ensure Rob's Reviewed-by tag is included
Changes in v5:
* Rebase on v5.14-rc2
* Move driver files from clk/renesas to clk
Changes in v4:
* Add vendor prefix to dt binding compatible property
* Remove clock-names description in dt binding
* Remove redundant 'input-' prefix on clock names
* Clarify the settings property in dt binding, add data type
* Fix define spacing
Changes in v3:
* Clarify settings property in device tree bindings schema is optional
Changes in v2:
* Correct missing semicolon in 8t49n24x-core.c

(no changes since v1)

Alex Helms (2):
dt-bindings: Add binding for Renesas 8T49N241
clk: Add ccf driver for Renesas 8T49N241

 .../bindings/clock/renesas,8t49n241.yaml      | 190 +++++
 MAINTAINERS                                   |   7 +
 drivers/clk/8t49n24x-core.c                   | 752 ++++++++++++++++++
 drivers/clk/8t49n24x-core.h                   | 242 ++++++
 drivers/clk/8t49n24x.c                        | 565 +++++++++++++
 drivers/clk/Kconfig                           |  21 +
 drivers/clk/Makefile                          |   2 +
 7 files changed, 1779 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/renesas,8t49n241.yaml
 create mode 100644 drivers/clk/8t49n24x-core.c
 create mode 100644 drivers/clk/8t49n24x-core.h
 create mode 100644 drivers/clk/8t49n24x.c

2.35.0