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| H A D | rk8xx.c | b509cd397b5c1a78e2f057ecc0619b59de2289cc Sun Jul 02 12:41:15 UTC 2023 Jonas Karlman <jonas@kwiboo.se> UPSTREAM: power: regulator: rk8xx: Add 500us delay after LDO regulator is enabled
A quick power cycle of a LDO regulator during dw-mmc signal voltage
change has shown that SD-card does not always get recognized.
Linux driver use an enable_time of 400us for LDO regulators. Apply a
500us delay when a LDO regulator is enabled to fix possible issues.
Fixes: 94afc1cb466a ("power: regulator: rk8xx: update the driver for rk808 and rk818")
Change-Id: I8c09302f1c7eee97c8f776f0b37337ec856829eb
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: elaine.zhang<elaine.zhang@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
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