mmc: meson-gx: remove Rx phase tuning
This remove all the code related to phase settings. Using the Rx phase for tuning has not been reliable. We had several issues over the past months, on both v2 and v3 mmc chips After discussing the issue matter with Amlogic, They suggested to set a phase shift of 180 between Core and Tx and use signal resampling for the tuning. Since we won't be playing with the phase anymore, let's remove all the clock code related to it and set the appropriate value on init. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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