clk: ti: add support for register read-modify-write low-level operation

Useful for changing few bits on a register, this makes sure for example
that the operation is done atomically in case of syscon.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo 2017-07-26 16:47:27 +03:00
commit 4902c2025b
2 changed files with 26 additions and 0 deletions