i2c: rtl9300: split data_reg into read and write reg

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In RTL9607C i2c controller, there are 2 separate registers for reads
and writes as opposed the combined 1 on rtl9300 and rtl9310.

In preparation for RTL9607C support, split it up into rd_reg and wd_reg
properties and change the i2c read and write functions accordingly.

Signed-off-by: Rustam Adilov <adilov@disroot.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260401180648.337834-2-adilov@disroot.org

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Rustam Adilov 2026-04-01 23:06:41 +05:00 • committed by Andi Shyti

parent 879766b58e

commit 4c53b2eb4f

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drivers/i2c/busses/i2c-rtl9300.c

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