mmc: sdhci-sprd: Enable PHY DLL to make clock stable

Browse source

For the Spreadtrum SD host controller, when we changed the clock to be
more than 52M, we should enable the PHY DLL which is used to track the
clock frequency to make the clock work more stable. Otherwise deviation
may occur of the higher clock.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

...

This commit is contained in:

Baolin Wang 2019-06-04 16:14:26 +08:00 • committed by Ulf Hansson

parent 494c11e1a5

commit 87a395c27b

1 changed files with 43 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

44

drivers/mmc/host/sdhci-sprd.c

View file