88 lines
4.2 KiB
C
88 lines
4.2 KiB
C
/* -*- mode:c -*-
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*
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* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Declare symbolic names for all the GPIOs that we care about.
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* Note: Those with interrupt handlers must be declared first. */
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/* Wake Source interrupts */
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GPIO_INT(EC_LID_OPEN, PIN(D, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, lid_interrupt)
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GPIO_INT(EC_WP_L, PIN(A, 1), GPIO_INT_BOTH, switch_interrupt)
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GPIO_INT(H1_EC_PWR_BTN_ODL, PIN(0, 1), GPIO_INT_BOTH, power_button_interrupt)
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GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, extpower_interrupt)
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/* Power sequencing interrupts */
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/* Sensor Interrupts */
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/* USB-C interrupts */
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/* HDMI interrupts */
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/* Volume button interrupts */
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/* Other wake sources */
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/*
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* GPIO_INT_BOTH is required for PSL wake from hibernate, but we don't need an
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* interrupt handler because it is automatically handled by the PSL.
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*/
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GPIO(EC_RST_ODL, PIN(0, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH)
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/* AP/PCH Signals */
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GPIO(EC_PCH_SYS_PWROK, PIN(3, 7), GPIO_OUT_LOW) /* TODO - b/140556273 - implement support with power sequencing */
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GPIO(EC_PCH_RSMRST_ODL, PIN(A, 6), GPIO_ODR_HIGH) /* TODO - b/140950085 - implement TGL sequencing requirement */
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GPIO(EC_PCH_PWR_BTN_ODL, PIN(C, 1), GPIO_ODR_HIGH)
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GPIO(EC_PCH_RTCRST, PIN(7, 6), GPIO_OUT_LOW)
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GPIO(EC_PCH_WAKE_ODL, PIN(7, 4), GPIO_ODR_HIGH)
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GPIO(EC_ENTERING_RW, PIN(E, 3), GPIO_OUT_LOW)
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GPIO(EC_PROCHOT_ODL, PIN(6, 3), GPIO_ODR_HIGH)
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GPIO(CPU_C10_GATE_L, PIN(6, 7), GPIO_INPUT) /* TODO - b/141322107 - implement if board power sequencing insufficient */
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GPIO(SYS_RST_ODL, PIN(C, 5), GPIO_ODR_HIGH)
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GPIO(EC_PCH_INT_ODL, PIN(D, 6), GPIO_ODR_HIGH) /* TODO - b/140557015 - implement with MKBD sensor events */
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/* USB and USBC Signals */
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/* Misc Signals */
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/* This selects between an LED module on the motherboard and one on the daughter
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* board, to be controlled by LED{1,2,3}. Select the one on the motherboard by
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* default. */
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GPIO(LED_SIDESEL_4_L, PIN(6, 0), GPIO_OUT_LOW)
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/* I2C pins - Alternate function below configures I2C module on these pins */
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GPIO(EC_I2C0_SENSOR_SCL, PIN(B, 5), GPIO_INPUT | GPIO_SEL_1P8V)
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GPIO(EC_I2C0_SENSOR_SDA, PIN(B, 4), GPIO_INPUT | GPIO_SEL_1P8V)
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GPIO(EC_I2C1_USB_C0_SCL, PIN(9, 0), GPIO_INPUT)
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GPIO(EC_I2C1_USB_C0_SDA, PIN(8, 7), GPIO_INPUT)
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GPIO(EC_I2C2_USB_C1_SCL, PIN(9, 2), GPIO_INPUT)
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GPIO(EC_I2C2_USB_C1_SDA, PIN(9, 1), GPIO_INPUT)
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GPIO(EC_I2C3_USB_1_MIX_SCL, PIN(D, 1), GPIO_INPUT)
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GPIO(EC_I2C3_USB_1_MIX_SDA, PIN(D, 0), GPIO_INPUT)
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GPIO(EC_I2C5_POWER_SCL, PIN(3, 3), GPIO_INPUT)
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GPIO(EC_I2C5_POWER_SDA, PIN(3, 6), GPIO_INPUT)
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GPIO(EC_I2C7_EEPROM_SCL, PIN(B, 3), GPIO_INPUT)
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GPIO(EC_I2C7_EEPROM_SDA, PIN(B, 2), GPIO_INPUT)
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/* Alternate functions GPIO definitions */
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ALTERNATE(PIN_MASK(B, BIT(5) | BIT(2)), 0, MODULE_I2C, (GPIO_INPUT | GPIO_SEL_1P8V)) /* I2C0 */
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ALTERNATE(PIN_MASK(9, BIT(0) | BIT(2) | BIT(1)), 0, MODULE_I2C, 0) /* I2C1 SCL / I2C2 */
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ALTERNATE(PIN_MASK(8, BIT(7)), 0, MODULE_I2C, 0) /* I2C1 SDA */
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ALTERNATE(PIN_MASK(D, BIT(1) | BIT(0)), 0, MODULE_I2C, 0) /* I2C3 */
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ALTERNATE(PIN_MASK(3, BIT(3) | BIT(6)), 0, MODULE_I2C, 0) /* I2C5 */
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ALTERNATE(PIN_MASK(B, BIT(3) | BIT(2)), 0, MODULE_I2C, 0) /* I2C7 */
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ALTERNATE(PIN_MASK(C, BIT(2) | BIT(3) | BIT(4)), 0, MODULE_PWM, 0) /* LED{3,2,1}_L */
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/* UART */
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ALTERNATE(PIN_MASK(6, BIT(5) | BIT(4)), 0, MODULE_UART, 0) /* UART from EC to Servo */
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/* Power Switch Logic (PSL) inputs */
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ALTERNATE(PIN_MASK(D, BIT(2)), 0, MODULE_PMU, 0) /* GPIOD2 = EC_LID_OPEN */
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ALTERNATE(PIN_MASK(0, BIT(0) | BIT(1) | BIT(2)), 0, MODULE_PMU, 0) /* GPIO00 = ACOK_OD,
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GPIO01 = H1_EC_PWR_BTN_ODL
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GPIO02 = EC_RST_ODL */
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