79 lines
3.1 KiB
PHP
79 lines
3.1 KiB
PHP
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/* -*- mode:c -*-
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*
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* Copyright 2014 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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GPIO_INT(VBUS_WAKE, PIN(B, 5), GPIO_INT_BOTH, vbus_event)
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GPIO_INT(DPSRC_HPD, PIN(B, 13), GPIO_INT_BOTH, hpd_event)
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GPIO_INT(DBG_12V_TO_DUT_L, PIN(B, 14), GPIO_INT_FALLING, button_event)
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GPIO_INT(DBG_5V_TO_DUT_L, PIN(B, 8), GPIO_INT_FALLING, button_event)
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GPIO_INT(DBG_CHG_TO_DEV_L, PIN(F, 1), GPIO_INT_FALLING, button_event)
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GPIO_INT(DBG_USB_TOGGLE_L, PIN(F, 0), GPIO_INT_FALLING, button_event)
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GPIO_INT(DBG_CASE_CLOSE_EN_L, PIN(B, 12), GPIO_INT_FALLING, button_event)
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GPIO_INT(DBG_MUX_FLIP_L, PIN(B, 15), GPIO_INT_FALLING, button_event)
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/* TODO(crosbug.com/p/33761) : This interrupt is double booked w/ HPD */
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GPIO(DBG_20V_TO_DUT_L, PIN(C, 13), GPIO_INPUT)
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/* PD RX/TX */
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GPIO(USBC_PD_REF, PIN(A, 1), GPIO_ANALOG)
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GPIO(USBC_CC1_PD, PIN(A, 0), GPIO_ANALOG)
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GPIO(USBC_CC1_TX_EN, PIN(A, 3), GPIO_OUT_LOW)
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GPIO(USBC_CC2_PD, PIN(A, 4), GPIO_ANALOG)
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GPIO(USBC_CC2_TX_EN, PIN(B, 2), GPIO_OUT_LOW)
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GPIO(USBC_CC_TX_DATA, PIN(A, 6), GPIO_OUT_LOW)
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#if 0
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/* Alternate functions */
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GPIO(USBC_TX_CLKOUT, PIN(B, 9), GPIO_OUT_LOW)
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GPIO(USBC_TX_CLKIN, PIN(A, 5), GPIO_OUT_LOW)
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#endif
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/* USB-C Power and muxes control */
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GPIO(USBC_CHARGE_EN, PIN(A, 8), GPIO_OUT_HIGH)
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GPIO(USBC_CC1_DEVICE_ODL, PIN(A, 9), GPIO_OUT_LOW)
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GPIO(USBC_CC1_HOST, PIN(A, 2), GPIO_INPUT)
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GPIO(USBC_CC2_DEVICE_ODL, PIN(B, 7), GPIO_OUT_LOW)
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GPIO(USBC_CC2_HOST, PIN(B, 6), GPIO_INPUT)
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GPIO(USBC_POLARITY, PIN(B, 1), GPIO_OUT_HIGH)
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GPIO(USBC_SS_USB_MODE, PIN(B, 3), GPIO_OUT_LOW)
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GPIO(USB_CC1_VCONN_EN_L, PIN(A, 11), GPIO_OUT_HIGH)
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GPIO(USB_CC2_VCONN_EN_L, PIN(A, 12), GPIO_OUT_HIGH)
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GPIO(VBUS_CHARGER_EN, PIN(B, 0), GPIO_OUT_LOW)
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/* VSEL_0/1: 0/0 = 5V, 1/0 = 12V, 1/1 = 20V */
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GPIO(USBC_VSEL_1, PIN(A, 10), GPIO_OUT_LOW)
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GPIO(USBC_VSEL_0, PIN(C, 14), GPIO_OUT_LOW)
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/* Case closed debugging */
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GPIO(CASE_CLOSE_EN, PIN(A, 7), GPIO_OUT_LOW)
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GPIO(CASE_CLOSE_DFU_L, PIN(A, 13), GPIO_OUT_HIGH)
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GPIO(DEBUG_TOGGLE, PIN(B, 4), GPIO_OUT_LOW)
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/* Alternate functions */
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#if 0
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GPIO(UART_TX, PIN(A, 14), GPIO_OUT_LOW)
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GPIO(UART_RX, PIN(A, 15), GPIO_OUT_LOW)
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#endif
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/*
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* I2C pins should be configured as inputs until I2C module is
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* initialized. This will avoid driving the lines unintentionally.
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*/
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GPIO(MASTER_I2C_SCL, PIN(B, 10), GPIO_INPUT)
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GPIO(MASTER_I2C_SDA, PIN(B, 11), GPIO_INPUT)
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/* Unimplemented signals which we need to emulate for now */
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UNIMPLEMENTED(ENTERING_RW)
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UNIMPLEMENTED(WP_L)
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ALTERNATE(PIN_MASK(A, 0x0020), 0, MODULE_USB_PD, 0) /* SPI1: SCK(PA5) */
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ALTERNATE(PIN_MASK(B, 0x0200), 2, MODULE_USB_PD, 0) /* TIM17_CH1: (PB9) */
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ALTERNATE(PIN_MASK(A, 0xC000), 1, MODULE_UART, 0) /* USART2: PA14/PA15 */
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ALTERNATE(PIN_MASK(B, 0x0C00), 1, MODULE_I2C, 0) /* I2C MASTER:PB10/11 */
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