Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9529
-gerrit
commit c7f5bdc75ad6c50a319501507bc429fadf27e0c0 Author: Jimmy Zhang jimmzhang@nvidia.com Date: Thu Nov 20 15:43:04 2014 -0800
google/rush_ryu: Remove long delay when turning on AVDD_DSI_CSI
Based on TPS65913, the max LDO turn on time is 500us. Since it is requested the default delay of 500us when calling function pmic_write_reg(), it is safe to remove this 100ms delay.
BRANCH=none BUG=chrome-os-partner:31936 TEST=build and test on ryu
Signed-off-by: Jimmy Zhang jimmzhang@nvidia.com
Change-Id: I2cfda38728db223c26f9122b70d37e828921459a Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 271b7e95f66f4b8611a0d408e59f428c315074f3 Original-Change-Id: I53aecc273484edfa502231b44f6bcd7f5d8f9331 Original-Reviewed-on: https://chromium-review.googlesource.com/231170 Original-Tested-by: Jimmy Zhang jimmzhang@nvidia.com Original-Reviewed-by: Aaron Durbin adurbin@chromium.org Original-Commit-Queue: Jimmy Zhang jimmzhang@nvidia.com --- src/mainboard/google/rush_ryu/mainboard.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/src/mainboard/google/rush_ryu/mainboard.c b/src/mainboard/google/rush_ryu/mainboard.c index 81c15b4..9673aa5 100644 --- a/src/mainboard/google/rush_ryu/mainboard.c +++ b/src/mainboard/google/rush_ryu/mainboard.c @@ -123,8 +123,6 @@ static int enable_lcd_vdd(void) VSEL_1200, 1); pmic_write_reg(I2CPWR_BUS, TI65913_LDO5_CTRL, TI65913_MODE_ACTIVE_ON, 1); - /* wait for 100ms */ - mdelay(100);
/* * Enable VDD_LCD