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authorLinus Walleij <[email protected]>2019-11-26 13:31:16 +0100
committerLinus Walleij <[email protected]>2019-12-09 14:45:01 +0100
commit27e7c033d3b4101bc3b9a344265de5ae89e09b42 (patch)
tree0fd21cf5e56b9a2653e586f941c8f09a91f370e6 /tools/perf/scripts/python/export-to-postgresql.py
parentb2ee5877508b491ce7d18fc50b2c7b670aef1b79 (diff)
ARM: dts: ux500: Drop pulls on I2C buses
The I2C block in the Ux500 uses internal pull-ups on the SoC, in fact it has to: in HS mode, the I2C block will need to autonomously take control over the pull-up line to do its job. This can be clearly seen from the SoC manual which states that the silicon has a line named "en_cspu_hs" which enables current source pull-up for high speed mode. Another hint is that the vendor code tree never enabled the pull up on these lines, despite being deployed on boards that lack external pull-up resistors. Tested on the Ux500 reference designs without any problems. Cc: Stephan Gerhold <[email protected]> Reported-by: Stephan Gerhold <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Stephan Gerhold <[email protected]> Tested-by: Stephan Gerhold <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
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