i2c: ocores: fix clock-frequency binding usage

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clock-frequency property is meant to control the bus frequency for i2c bus
drivers, but it was incorrectly used to specify i2c controller input clock
frequency.
Introduce new attribute, opencores,ip-clock-frequency, that specifies i2c
controller clock frequency and make clock-frequency attribute compatible
with other i2c drivers. Maintain backwards compatibility in case
opencores,ip-clock-frequency attribute is missing.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Max Filippov 2015-02-02 18:28:12 +03:00 • committed by Wolfram Sang

parent 8c340f6090

commit 3a33a85401

2 changed files with 58 additions and 15 deletions

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18

Documentation/devicetree/bindings/i2c/i2c-ocores.txt

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55

drivers/i2c/busses/i2c-ocores.c

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