mmc: dw_mmc-rockchip: Add internal phase support

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Some Rockchip devices put the phase settings into the dw_mmc controller.

When the feature is present, the ciu-drive and ciu-sample clocks are
not used and the phase configuration is done directly through the mmc
controller.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/010201919996fdae-8a9f843e-00a8-4131-98bf-a9da4ed04bfd-000000@eu-west-1.amazonses.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

...

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Shawn Lin 2024-08-28 15:24:55 +00:00 • committed by Ulf Hansson

parent ee60138407

commit 59903441f5

1 changed files with 160 additions and 11 deletions

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171

drivers/mmc/host/dw_mmc-rockchip.c

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