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/* -*- mode:c -*-
*
* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Declare symbolic names for all the GPIOs that we care about.
* Note: Those with interrupt handlers must be declared first. */
/* Wake Source interrupts */
GPIO_INT(EC_LID_OPEN, PIN(D, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, lid_interrupt)
GPIO_INT(EC_WP_L, PIN(A, 1), GPIO_INT_BOTH, switch_interrupt)
GPIO_INT(H1_EC_PWR_BTN_ODL, PIN(0, 1), GPIO_INT_BOTH, power_button_interrupt)
GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, extpower_interrupt)
/* Power sequencing interrupts */
GPIO_INT(SLP_S0_L, PIN(D, 5), GPIO_INT_BOTH, power_signal_interrupt)
#ifndef CONFIG_HOSTCMD_ESPI_VW_SLP_S3
GPIO_INT(SLP_S3_L, PIN(A, 5), GPIO_INT_BOTH, power_signal_interrupt)
#endif
GPIO_INT(SLP_SUS_L, PIN(D, 7), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(PG_EC_RSMRST_ODL, PIN(E, 2), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(PG_EC_DSW_PWROK, PIN(C, 7), GPIO_INT_BOTH, power_signal_interrupt)
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(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)
GPIO_INT(USB_C1_TCPC_INT_ODL, PIN(A, 2), GPIO_INT_BOTH, tcpc_alert_event)
GPIO_INT(USB_C0_PPC_INT_ODL, PIN(6, 2), GPIO_INT_BOTH, ppc_interrupt)
GPIO_INT(USB_C1_PPC_INT_ODL, PIN(F, 5), GPIO_INT_BOTH, ppc_interrupt)
GPIO_INT(USB_C0_BC12_INT_ODL, PIN(E, 4), GPIO_INT_BOTH, bc12_interrupt)
GPIO_INT(USB_C1_MIX_INT_ODL, PIN(0, 3), GPIO_INT_BOTH, bc12_interrupt)
/* HDMI interrupts */
/* Volume button interrupts */
GPIO_INT(EC_VOLDN_BTN_ODL, PIN(9, 3), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt)
GPIO_INT(EC_VOLUP_BTN_ODL, PIN(9, 7), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt)
/* Power Sequencing Signals */
GPIO(EN_PP3300_A, PIN(A, 3), GPIO_OUT_LOW)
GPIO(EN_PP5000_A, PIN(A, 4), GPIO_OUT_LOW)
GPIO(EN_PPVAR_VCCIN, PIN(4, 3), GPIO_OUT_LOW) /* Enables VCCIN IMPV9 */
GPIO(EC_PCH_DSW_PWROK, PIN(C, 0), GPIO_OUT_LOW)
/* Other wake sources */
/*
* GPIO_INT_BOTH is required for PSL wake from hibernate, but we don't need an
* interrupt handler because it is automatically handled by the PSL.
*
* We need to lock the setting so this gpio can't be reconfigured to overdrive
* the real reset signal. (This is the PSL input pin not the real reset pin).
*/
GPIO(EC_RST_ODL, PIN(0, 2), GPIO_INT_BOTH |
GPIO_HIB_WAKE_HIGH |
GPIO_LOCKED)
/* AP/PCH Signals */
GPIO(EC_PCH_SYS_PWROK, PIN(3, 7), GPIO_OUT_LOW)
GPIO(EC_PCH_RSMRST_ODL, PIN(A, 6), GPIO_ODR_LOW) /* TODO - b/140950085 - implement TGL sequencing requirement */
GPIO(EC_PCH_PWR_BTN_ODL, PIN(C, 1), GPIO_ODR_HIGH)
GPIO(EC_PCH_RTCRST, PIN(7, 6), GPIO_OUT_LOW)
GPIO(EC_PCH_WAKE_ODL, PIN(7, 4), GPIO_ODR_HIGH)
GPIO(EC_ENTERING_RW, PIN(E, 3), GPIO_OUT_LOW)
GPIO(EC_PROCHOT_ODL, PIN(6, 3), GPIO_ODR_HIGH)
GPIO_INT(EC_PROCHOT_IN_L, PIN(F, 0), GPIO_INT_BOTH, throttle_ap_prochot_input_interrupt)
GPIO(SYS_RST_ODL, PIN(C, 5), GPIO_ODR_HIGH)
GPIO(EC_PCH_INT_ODL, PIN(B, 0), GPIO_ODR_HIGH)
/* USB and USBC Signals */
GPIO(EN_PP5000_USBA, PIN(C, 6), GPIO_OUT_LOW) /* Enable USB-A charging - all ports */
GPIO(USB_A_LOW_PWR_OD, PIN(6, 6), GPIO_ODR_LOW) /* Don't limit USB-A charging by default - all ports */
GPIO(USB_C1_RT_RST_ODL, PIN(8, 3), GPIO_ODR_LOW)
GPIO(USB_C0_OC_ODL, PIN(B, 1), GPIO_ODR_HIGH)
GPIO(USB_C1_OC_ODL, PIN(5, 0), GPIO_ODR_HIGH)
GPIO(USB_C0_FRS_EN, PIN(6, 0), GPIO_OUT_LOW)
GPIO(USB_C1_FRS_EN, PIN(9, 4), GPIO_OUT_LOW)
/* Don't have a load switch for retimer */
UNIMPLEMENTED(USB_C1_LS_EN)
/* Misc Signals */
GPIO(EC_H1_PACKET_MODE, PIN(7, 5), GPIO_OUT_LOW) /* H1 Packet Mode */
/*
* Despite their names, M2_SSD_PLN and M2_SSD_PLA are active-low, and M2_SSD_PLN
* is open-drain.
* TODO(b/138954381): Change these names when they change on the schematic.
*/
GPIO(M2_SSD_PLN, PIN(A, 0), GPIO_ODR_HIGH) /* SSD power-loss notification */
GPIO(M2_SSD_PLA, PIN(7, 0), GPIO_INPUT) /* SSD power-loss acknowledgment */
GPIO(CCD_MODE_ODL, PIN(E, 5), GPIO_INPUT) /* Case Closed Debug Mode */
/* Unused signals */
GPIO(UNUSED_GPIO72, PIN(7, 2), GPIO_INPUT | GPIO_PULL_UP)
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)
GPIO(UNUSED_GPIO57, PIN(5, 7), GPIO_INPUT | GPIO_PULL_UP)
GPIO(UNUSED_GPIOC2, PIN(C, 2), GPIO_INPUT | GPIO_PULL_UP)
GPIO(UNUSED_GPIO61, PIN(6, 1), GPIO_INPUT | GPIO_PULL_UP)
GPIO(UNUSED_GPIOB7, PIN(B, 7), GPIO_INPUT | GPIO_PULL_UP)
GPIO(UNUSED_GPIO40, PIN(4, 0), GPIO_INPUT | GPIO_PULL_UP)
/* Only connected to test points */
GPIO(EC_KB_BL_EN, PIN(8, 6), 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
* off during sleep states.
*/
GPIO(EC_EDP_BL_EN, PIN(D, 3), GPIO_OUT_HIGH)
/* I2C pins - Alternate function below configures I2C module on these pins */
GPIO(EC_I2C0_SENSOR_SCL, PIN(B, 5), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(EC_I2C0_SENSOR_SDA, PIN(B, 4), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(EC_I2C1_USB_C0_SCL, PIN(9, 0), GPIO_INPUT)
GPIO(EC_I2C1_USB_C0_SDA, PIN(8, 7), GPIO_INPUT)
GPIO(EC_I2C2_USB_C1_SCL, PIN(9, 2), GPIO_INPUT)
GPIO(EC_I2C2_USB_C1_SDA, PIN(9, 1), GPIO_INPUT)
GPIO(EC_I2C3_USB_1_MIX_SCL, PIN(D, 1), GPIO_INPUT)
GPIO(EC_I2C3_USB_1_MIX_SDA, PIN(D, 0), GPIO_INPUT)
GPIO(EC_I2C5_BATTERY_SCL, PIN(3, 3), GPIO_INPUT)
GPIO(EC_I2C5_BATTERY_SDA, PIN(3, 6), GPIO_INPUT)
GPIO(EC_I2C7_EEPROM_PWR_SCL_R, PIN(B, 3), GPIO_INPUT)
GPIO(EC_I2C7_EEPROM_PWR_SDA_R, PIN(B, 2), GPIO_INPUT)
/* Battery signals */
GPIO(EC_BATT_PRES_ODL, PIN(E, 1), GPIO_INPUT)
/* LED */
GPIO(LED_1_L, PIN(C, 4), GPIO_OUT_HIGH) /* Blue */
GPIO(LED_2_L, PIN(C, 3), GPIO_OUT_HIGH) /* Amber */
/* Alternate functions GPIO definitions */
ALTERNATE(PIN_MASK(B, BIT(5) | BIT(4)), 0, MODULE_I2C, (GPIO_INPUT | GPIO_SEL_1P8V)) /* I2C0 */
ALTERNATE(PIN_MASK(9, BIT(0) | BIT(2) | BIT(1)), 0, MODULE_I2C, 0) /* I2C1 SCL / I2C2 */
ALTERNATE(PIN_MASK(8, BIT(7)), 0, MODULE_I2C, 0) /* I2C1 SDA */
ALTERNATE(PIN_MASK(D, BIT(1) | BIT(0)), 0, MODULE_I2C, 0) /* I2C3 */
ALTERNATE(PIN_MASK(3, BIT(3) | BIT(6)), 0, MODULE_I2C, 0) /* I2C5 */
ALTERNATE(PIN_MASK(B, BIT(3) | BIT(2)), 0, MODULE_I2C, 0) /* I2C7 */
/* Keyboard pins */
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP)
ALTERNATE(PIN_MASK(3, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI_00-01 */
ALTERNATE(PIN_MASK(2, 0xFC), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI_02-07 */
ALTERNATE(PIN_MASK(2, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_00-01 */
GPIO(EC_KSO_02_INV, PIN(1, 7), GPIO_OUT_LOW) /* KSO_02 */
ALTERNATE(PIN_MASK(1, 0x7F), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_03-09 */
ALTERNATE(PIN_MASK(0, 0xF0), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_10-13 */
ALTERNATE(PIN_MASK(8, 0x04), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_14 */
ALTERNATE(PIN_MASK(8, BIT(0)), 0, MODULE_PWM, 0) /* EC_KB_BL_PWM */
/* UART */
ALTERNATE(PIN_MASK(6, BIT(5) | BIT(4)), 0, MODULE_UART, 0) /* UART from EC to Servo */
/* Power Switch Logic (PSL) inputs */
ALTERNATE(PIN_MASK(D, BIT(2)), 0, MODULE_PMU, 0) /* GPIOD2 = EC_LID_OPEN */
ALTERNATE(PIN_MASK(0, BIT(0) | BIT(1) | BIT(2)), 0, MODULE_PMU, 0) /* GPIO00 = ACOK_OD,
GPIO01 = H1_EC_PWR_BTN_ODL
GPIO02 = EC_RST_ODL */
/* Temperature sensors */
ALTERNATE(PIN_MASK(4, BIT(2) | BIT(4) | BIT(5)), 0, MODULE_ADC, 0) /* TEMP_SENSOR1,2,4 */
ALTERNATE(PIN(F, 1), 0, MODULE_ADC, 0) /* TEMP_SENSOR3 */
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