grunt: Add USB-C DP Hotplug Detect GPIOs
Grunt HW has these driven from EC to SOC, unlike coral which had
the TCPCs drive the HPD signals to SOC.
BRANCH=none
TEST=external display works if GPIOs set high on EC console
@@ -78,6 +78,8 @@ GPIO(USB_C0_BC12_VBUS_ON_L, PIN(8, 2), GPIO_ODR_HIGH) /* C0 BC1.2 Power */
GPIO(USB_C1_BC12_VBUS_ON_L, PIN(B, 1), GPIO_ODR_HIGH) /* C1 BC1.2 Power */
GPIO(USB_C0_BC12_CHG_DET, PIN(6, 2), GPIO_INPUT) /* C0 BC1.2 Detect */
GPIO(USB_C1_BC12_CHG_DET, PIN(8, 3), GPIO_INPUT) /* C1 BC1.2 Detect */
+GPIO(USB_C0_DP_HPD, PIN(9, 5), GPIO_OUT_LOW) /* C0 DP Hotplug Detect */
+GPIO(USB_C1_DP_HPD, PIN(9, 6), GPIO_OUT_LOW) /* C1 DP Hotplug Detect */
/* Board ID */
GPIO(BOARD_VERSION1, PIN(C, 7), GPIO_INPUT)
