volteer: Configure unused GPIOs as inputs
Configure unused GPIOs as inputs to save power in deep sleep states.
TEST=make buildall
TEST=Boot image on Volteer
BRANCH=none
@@ -28,6 +28,11 @@ GPIO_INT(PG_EC_ALL_SYS_PWRGD, PIN(F, 4), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(EC_IMU_INT_L, PIN(5, 6), GPIO_INT_FALLING | GPIO_SEL_1P8V, bmi260_interrupt)
GPIO_INT(EC_ALS_RGB_INT_L, PIN(D, 4), GPIO_INT_FALLING, tcs3400_interrupt)
GPIO_INT(TABLET_MODE_L, PIN(9, 5), GPIO_INT_BOTH, gmr_tablet_switch_isr)
+/*
+ * Lid g-sensor interrupt unused on Volteer, 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)
@@ -106,6 +111,14 @@ GPIO(UART2_EC_RX, PIN(7, 5), GPIO_OUT_LOW) /* H1 Packet Mode */
*/
GPIO(M2_SSD_PLN, PIN(A, 0), GPIO_OUT_HIGH) /* SSD power-loss notification */
GPIO(M2_SSD_PLA, PIN(7, 0), GPIO_INPUT) /* SSD power-loss acknoledgement */
+GPIO(CCD_MODE_ODL, PIN(E, 5), GPIO_INPUT) /* Case Closed Debug Mode */
+GPIO(EC_SLP_S0IX, PIN(7, 2), GPIO_INPUT | GPIO_PULL_UP)
+
+/* Unused signals */
+GPIO(UNUSED_GPIO41, PIN(4, 1), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIOF2, PIN(F, 2), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIO96, PIN(9, 6), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(UNUSED_GPIO34, PIN(3, 4), GPIO_INPUT | GPIO_PULL_UP)
/*
* eDP backlight - both PCH and EC have enable pins that must be high
