summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--board/ryu/usb_pd_config.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/board/ryu/usb_pd_config.h b/board/ryu/usb_pd_config.h
index 7017118c0a..9d6784beb4 100644
--- a/board/ryu/usb_pd_config.h
+++ b/board/ryu/usb_pd_config.h
@@ -138,10 +138,16 @@ static inline void pd_set_host_mode(int port, int enable)
/* High-Z is used for host mode. */
gpio_set_level(GPIO_USBC_CC1_DEVICE_ODL, 1);
gpio_set_level(GPIO_USBC_CC2_DEVICE_ODL, 1);
+ /* Set 3.3V for Rp pull-up */
+ gpio_set_flags(GPIO_USBC_CC_PUEN1, GPIO_OUT_HIGH);
+ gpio_set_flags(GPIO_USBC_CC_PUEN2, GPIO_OUT_HIGH);
} else {
/* Kill VBUS power supply */
charger_enable_otg_power(0);
gpio_set_level(GPIO_CHGR_OTG, 0);
+ /* Remove Rp pull-up by putting the high side in Hi-Z */
+ gpio_set_flags(GPIO_USBC_CC_PUEN1, GPIO_INPUT);
+ gpio_set_flags(GPIO_USBC_CC_PUEN2, GPIO_INPUT);
/* Pull low for device mode. */
gpio_set_level(GPIO_USBC_CC1_DEVICE_ODL, 0);
gpio_set_level(GPIO_USBC_CC2_DEVICE_ODL, 0);