Delbin: Configure unused GPIOs as inputs
Configure unused GPIOs as inputs to save power in deep sleep states.
BRANCH=master
TEST=make buildall
TEST=Boot image on Delbin
@@ -27,6 +27,12 @@ GPIO_INT(PG_EC_ALL_SYS_PWRGD, PIN(F, 4), GPIO_INT_BOTH, power_signal_interrupt
/* Sensor Interrupts */
GPIO_INT(EC_IMU_INT_L, PIN(5, 6), GPIO_INT_FALLING | GPIO_SEL_1P8V, bmi260_interrupt)
GPIO_INT(TABLET_MODE_L, PIN(9, 5), GPIO_INT_BOTH, gmr_tablet_switch_isr)
+/*
+ * Lid g-sensor interrupt unused on Delbin, configure as regular input for
+ * power saving.
+ */
+GPIO(EC_ACCEL_INT, PIN(8, 1), GPIO_INPUT | GPIO_PULL_UP)
+
/* USB-C interrupts */
GPIO_INT(USB_C0_TCPC_INT_ODL, PIN(E, 0), GPIO_INT_BOTH, tcpc_alert_event)
@@ -99,6 +105,15 @@ GPIO(LED_2_L, PIN(C, 3), GPIO_OUT_HIGH) /* Battery Charging LED: Amber */
GPIO(LED_3_L, PIN(C, 2), GPIO_OUT_HIGH) /* Battery Power LED: White */
GPIO(CCD_MODE_ODL, PIN(E, 5), GPIO_INPUT) /* Case Closed Debug Mode */
+/* Unused signals */
+GPIO(UNUSED_GPIO34, PIN(3, 4), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIO41, PIN(4, 1), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIO72, PIN(7, 2), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIO96, PIN(9, 6), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIOA7, PIN(A, 7), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIOC0, PIN(C, 0), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIOF2, PIN(F, 2), GPIO_INPUT | GPIO_PULL_UP)
+
/*
* eDP backlight - both PCH and EC have enable pins that must be high
* for the backlight to turn on. Default state is high, and can be turned
