diff options
Diffstat (limited to 'src/mainboard/google/corsola/display.c')
| -rw-r--r-- | src/mainboard/google/corsola/display.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/google/corsola/display.c b/src/mainboard/google/corsola/display.c index 2af9fe09b2..5a88cad7b9 100644 --- a/src/mainboard/google/corsola/display.c +++ b/src/mainboard/google/corsola/display.c @@ -22,6 +22,7 @@ static void bridge_ps8640_power_on(void) /* * PS8640 power-on sequence is described in chapter 14, PS8640_DS_V1.4_20200210.docx * - set VDD12 to be 1.2V + * - delay 100us * - set VDD33 to be 3.3V * - pull hign PD# * - pull down RST# @@ -35,6 +36,7 @@ static void bridge_ps8640_power_on(void) /* Set VRF12 to 1.2V and VCN33 to 3.3V */ mainboard_set_regulator_vol(MTK_REGULATOR_VRF12, 1200000); + udelay(100); mainboard_set_regulator_vol(MTK_REGULATOR_VCN33, 3300000); udelay(200); |