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/* -*- mode:c -*-
*
* Copyright 2021 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. */
/* USB interrupts */
GPIO_INT(USB_C0_PD_INT_ODL, PIN(E, 0), GPIO_INT_FALLING, tcpc_alert_event) /* Interrupt from port-0 TCPC */
GPIO_INT(USB_C1_PD_INT_ODL, PIN(F, 5), GPIO_INT_FALLING, tcpc_alert_event) /* Interrupt from port-1 TCPC */
GPIO_INT(USB_C0_SWCTL_INT_ODL, PIN(0, 3), GPIO_INT_FALLING, ppc_interrupt) /* Interrupt from port-0 PPC */
GPIO_INT(USB_C1_SWCTL_INT_ODL, PIN(4, 0), GPIO_INT_FALLING, ppc_interrupt) /* Interrupt from port-1 PPC */
GPIO_INT(USB_C0_BC12_INT_L, PIN(6, 1), GPIO_INT_FALLING | GPIO_PULL_UP, usb0_evt) /* Interrupt from port-0 BC1.2 */
GPIO_INT(USB_C1_BC12_INT_L, PIN(8, 2), GPIO_INT_FALLING | GPIO_PULL_UP, usb1_evt) /* Interrupt from port-1 BC1.2 */
/* System interrupts */
GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH, extpower_interrupt) /* ACOK */
GPIO_INT(CCD_MODE_ODL, PIN(E, 3), GPIO_INT_FALLING, board_connect_c0_sbu) /* Case Closed Debug Mode */
GPIO_INT(EC_PWR_BTN_ODL, PIN(0, 1), GPIO_INT_BOTH, power_button_interrupt) /* Power button */
GPIO_INT(EC_VOLDN_BTN_ODL, PIN(7, 0), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt) /* Volume Up button */
GPIO_INT(EC_VOLUP_BTN_ODL, PIN(F, 2), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt) /* Volume Down button */
GPIO_INT(EC_WP_ODL, PIN(A, 1), GPIO_INT_BOTH, switch_interrupt) /* Write protection */
GPIO_INT(LID_OPEN_EC, PIN(D, 2), GPIO_INT_BOTH, lid_interrupt) /* Lid open */
GPIO_INT(AP_RST_L, PIN(C, 1), GPIO_INT_BOTH | GPIO_SEL_1P8V, chipset_ap_rst_interrupt) /* PMIC to signal AP reset */
GPIO_INT(PS_HOLD, PIN(A, 4), GPIO_INT_BOTH | GPIO_PULL_DOWN, power_signal_interrupt) /* Indicate when AP triggers reset/shutdown */
GPIO_INT(AP_SUSPEND, PIN(5, 7), GPIO_INT_BOTH, power_signal_interrupt) /* Suspend signal from PMIC */
GPIO_INT(DEPRECATED_AP_RST_REQ, PIN(C, 2), GPIO_INT_BOTH | GPIO_PULL_DOWN | GPIO_SEL_1P8V, power_signal_interrupt) /* Deprecated AP initiated reset indicator */
/*
* When switch-cap is off, the POWER_GOOD signal is floating. Need a pull-down
* to make it low. Overload the interrupt function chipset_warm_reset_interrupt
* for not only signalling power_signal_interrupt but also handling the logic
* of WARM_RESET_L which is pulled-up by the same rail of POWER_GOOD.
*/
GPIO_INT(POWER_GOOD, PIN(5, 4), GPIO_INT_BOTH | GPIO_PULL_DOWN, chipset_power_good_interrupt) /* SRC_PP1800_S10A from PMIC */
GPIO_INT(WARM_RESET_L, PIN(F, 4), GPIO_INT_BOTH | GPIO_SEL_1P8V, chipset_warm_reset_interrupt) /* AP warm reset */
GPIO_INT(AP_EC_SPI_CS_L, PIN(5, 3), GPIO_INT_FALLING | GPIO_PULL_DOWN, shi_cs_event) /* EC SPI Chip Select */
/* Sensor interrupts */
GPIO_INT(TABLET_MODE_L, PIN(C, 6), GPIO_INT_BOTH, gmr_tablet_switch_isr)
GPIO_INT(ACCEL_GYRO_INT_L, PIN(A, 0), GPIO_INT_FALLING, motion_interrupt) /* Accelerometer/gyro interrupt */
/*
* EC_RST_ODL used to be a wake source from PSL mode. However, we disabled
* the PSL mode. This GPIO does nothing now. Simply set it an INPUT.
*/
GPIO(EC_RST_ODL, PIN(0, 2), GPIO_INPUT) /* EC reset */
GPIO(EC_ENTERING_RW, PIN(E, 1), GPIO_OUT_LOW) /* Indicate when EC is entering RW code */
GPIO(EC_BATT_PRES_ODL, PIN(E, 5), GPIO_INPUT) /* Battery Present */
/* PMIC/AP 1.8V */
GPIO(PM845_RESIN_L, PIN(3, 2), GPIO_ODR_HIGH) /* PMIC reset trigger */
GPIO(PMIC_KPD_PWR_ODL, PIN(D, 6), GPIO_ODR_HIGH) /* PMIC power button */
GPIO(EC_INT_L, PIN(A, 2), GPIO_ODR_HIGH) /* Interrupt line between AP and EC */
GPIO(QSIP_ON, PIN(5, 0), GPIO_OUT_LOW) /* Not used, for non-switchcap testing */
/* Power enables */
GPIO(HIBERNATE_L, PIN(5, 2), GPIO_ODR_HIGH) /* EC hibernate */
GPIO(SWITCHCAP_ON, PIN(D, 5), GPIO_OUT_LOW) /* Enable switch cap; will be configured in the board init */
GPIO(EN_PP3300_A, PIN(A, 6), GPIO_OUT_LOW) /* Enable PP3300 */
GPIO(EN_PP5000_A, PIN(6, 7), GPIO_OUT_LOW) /* Enable PP5000 */
GPIO(EC_BL_DISABLE_L, PIN(B, 6), GPIO_OUT_LOW) /* Backlight disable signal from EC */
/* Sensors */
GPIO(LID_ACCEL_INT_L, PIN(5, 6), GPIO_INPUT) /* Lid accel sensor interrupt */
/* Control the gate for trackpad IRQ. High closes the gate.
* This is always set low so that the OS can manage the trackpad. */
GPIO(TRACKPAD_INT_GATE, PIN(7, 4), GPIO_OUT_LOW)
/* USB-C */
GPIO(USB_C0_PD_RST_L, PIN(F, 1), GPIO_ODR_HIGH) /* Port-0 TCPC chip reset, actaully Open-Drain */
GPIO(USB_C1_PD_RST_L, PIN(E, 4), GPIO_ODR_HIGH) /* Port-1 TCPC chip reset, actually Open-Drain */
GPIO(DP_MUX_OE_L, PIN(9, 6), GPIO_ODR_HIGH) /* DP mux enable, actually Open-Drain */
GPIO(DP_MUX_SEL, PIN(4, 5), GPIO_OUT_LOW) /* DP mux selection: L:C0, H:C1 */
GPIO(DP_HOT_PLUG_DET, PIN(9, 5), GPIO_OUT_LOW) /* DP HPD to AP */
/* LEDs */
GPIO(EC_CHG_LED_Y_C1, PIN(C, 3), GPIO_OUT_LOW)
GPIO(EC_CHG_LED_B_C1, PIN(C, 4), GPIO_OUT_LOW)
/*
* SPI host interface - enable PDs by default. These will be made functional
* by the SHI driver when the AP powers up, and restored back to GPIO when
* the AP powers down.
*/
GPIO(AP_EC_SPI_MOSI, PIN(4, 6), GPIO_INPUT | GPIO_PULL_DOWN)
GPIO(AP_EC_SPI_MISO, PIN(4, 7), GPIO_INPUT | GPIO_PULL_DOWN)
GPIO(AP_EC_SPI_CLK, PIN(5, 5), GPIO_INPUT | GPIO_PULL_DOWN)
/* PWM */
GPIO(KB_BL_PWM, PIN(8, 0), GPIO_INPUT) /* PWM3 */
GPIO(EDP_BKLTCTL, PIN(B, 7), GPIO_INPUT) /* PWM5 */
/* ADC */
GPIO(PPVAR_BOOSTIN_SENSE, PIN(4, 4), GPIO_INPUT) /* ADC1 */
GPIO(CHARGER_IADP, PIN(4, 3), GPIO_INPUT) /* ADC2 */
GPIO(CHARGER_PMON, PIN(4, 2), GPIO_INPUT) /* ADC3 */
/* I2C */
GPIO(EC_I2C_POWER_SCL, PIN(B, 5), GPIO_INPUT)
GPIO(EC_I2C_POWER_SDA, PIN(B, 4), GPIO_INPUT)
GPIO(EC_I2C_USB_C0_PD_SCL, PIN(9, 0), GPIO_INPUT)
GPIO(EC_I2C_USB_C0_PD_SDA, PIN(8, 7), GPIO_INPUT)
GPIO(EC_I2C_USB_C1_PD_SCL, PIN(9, 2), GPIO_INPUT)
GPIO(EC_I2C_USB_C1_PD_SDA, PIN(9, 1), GPIO_INPUT)
GPIO(EC_I2C_EEPROM_SCL, PIN(3, 3), GPIO_INPUT)
GPIO(EC_I2C_EEPROM_SDA, PIN(3, 6), GPIO_INPUT)
GPIO(EC_I2C_SENSOR_SCL, PIN(B, 3), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(EC_I2C_SENSOR_SDA, PIN(B, 2), GPIO_INPUT | GPIO_SEL_1P8V)
/* Board/SKU IDs */
GPIO(BRD_ID0, PIN(C, 7), GPIO_INPUT)
GPIO(BRD_ID1, PIN(9, 3), GPIO_INPUT)
GPIO(BRD_ID2, PIN(6, 3), GPIO_INPUT)
GPIO(SKU_ID0, PIN(F, 0), GPIO_INPUT)
GPIO(SKU_ID1, PIN(4, 1), GPIO_INPUT)
GPIO(SKU_ID2, PIN(D, 4), GPIO_INPUT)
/* Switchcap */
/*
* GPIO0 is configured as PVC_PG. When the chip in power down mode, it outputs
* high-Z. Set pull-down to avoid floating.
*/
GPIO(DA9313_GPIO0, PIN(E, 2), GPIO_INPUT | GPIO_PULL_DOWN) /* Switchcap GPIO0 */
/* Special straps */
GPIO(ARM_X86, PIN(6, 6), GPIO_OUT_LOW) /* NC, low for power saving */
/* Unused GPIOs, NC. */
UNUSED(PIN(5, 1))
UNUSED(PIN(D, 0))
UNUSED(PIN(F, 3))
UNUSED(PIN(0, 4))
UNUSED(PIN(C, 0))
UNUSED(PIN(A, 7))
UNUSED(PIN(8, 3))
UNUSED(PIN(8, 1))
UNUSED(PIN(3, 7))
UNUSED(PIN(7, 6))
UNUSED(PIN(3, 4))
UNUSED(PIN(C, 5))
UNUSED(PIN(A, 3))
UNUSED(PIN(7, 3))
UNUSED(PIN(D, 7))
UNUSED(PIN(A, 5))
UNUSED(PIN(B, 0))
UNUSED(PIN(9, 4))
UNUSED(PIN(B, 1))
UNUSED(PIN(6, 2))
UNUSED(PIN(3, 5))
UNUSED(PIN(9, 7))
UNUSED(PIN(6, 0))
UNUSED(PIN(7, 2))
UNUSED(PIN(D, 3))
UNUSED(PIN(8, 6))
UNUSED(PIN(7, 5))
UNUSED(PIN(D, 1))
/* Alternate functions GPIO definitions */
ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0) /* UART (GPIO64/65) */
ALTERNATE(PIN_MASK(B, 0x30), 1, MODULE_I2C, 0) /* I2C0 (GPIOB4/B5) */
ALTERNATE(PIN_MASK(9, 0x07), 1, MODULE_I2C, 0) /* I2C1 SDA (GPIO90), I2C2 (GPIO91/92) */
ALTERNATE(PIN_MASK(8, 0x80), 1, MODULE_I2C, 0) /* I2C1 SCL (GPIO87) */
ALTERNATE(PIN_MASK(3, 0x48), 1, MODULE_I2C, 0) /* I2C5 (GPIO33/36) */
ALTERNATE(PIN_MASK(B, 0x0C), 1, MODULE_I2C, GPIO_SEL_1P8V) /* I2C7 (GPIOB2/B3) - 1.8V */
ALTERNATE(PIN_MASK(4, 0x1C), 0, MODULE_ADC, 0) /* ADC1 (GPIO44), ADC2 (GPIO43), ADC3 (GPIO42) */
ALTERNATE(PIN_MASK(4, 0xC0), 1, MODULE_SPI, GPIO_SEL_1P8V) /* SHI_SDO (GPIO47), SHI_SDI (GPIO46) */
ALTERNATE(PIN_MASK(5, 0x28), 1, MODULE_SPI, GPIO_SEL_1P8V) /* SHI_SCLK (GPIO55), SHI_CS# (GPIO53) */
ALTERNATE(PIN_MASK(8, 0x01), 0, MODULE_PWM, 0) /* PWM3 (GPIO80) - KB_BL_PWM */
ALTERNATE(PIN_MASK(B, 0x80), 1, MODULE_PWM, 0) /* PWM5 (GPIOB7) - EDP_BKLTCTL */
/* Keyboard */
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP)
#define GPIO_KB_OUTPUT (GPIO_ODR_HIGH)
#define GPIO_KB_OUTPUT_COL2 (GPIO_OUT_LOW)
/* Keyboard alternate functions */
ALTERNATE(PIN_MASK(0, 0xE0), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) /* KSO10 (GPIO07), KSO11 (GPIO06), KSO12 (GPIO05) */
ALTERNATE(PIN_MASK(1, 0x7F), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) /* KSO03 (GPIO16), KSO04 (GPIO15), KSO05 (GPIO14), KSO06 (GPIO13), KSO07 (GPIO12), KSO08 (GPIO11), KSO09 (GPIO10) */
ALTERNATE(PIN_MASK(2, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) /* KSO00 (GPIO21), KSO01 (GPIO20) */
ALTERNATE(PIN_MASK(2, 0xFC), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI2 (GPIO27), KSI3 (GPIO26), KSI4 (GPIO25), KSI5 (GPIO24), KSI6 (GPIO23), KSI7 (GPIO22) */
ALTERNATE(PIN_MASK(3, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI0 (GPIO31), KSI1 (GPIO30) */
GPIO(EC_KSO_02_INV, PIN(1, 7), GPIO_KB_OUTPUT_COL2) /* KSO02 (GPIO17) */
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