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path: root/board/tigertail/gpio.inc
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/* -*- mode:c -*-
 *
 * Copyright 2017 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.
 */

/* Interrupt enables. */
GPIO_INT(BUTTON_L,			PIN(C, 13), \
	 GPIO_INT_RISING | GPIO_PULL_UP, button_interrupt)

/* Outputs */
GPIO(SEL_CC2_A,			PIN(A, 14), GPIO_OUT_LOW)
GPIO(SEL_VBUS_A,		PIN(A, 15), GPIO_OUT_LOW)
GPIO(SEL_CC2_B,			PIN(B,  0), GPIO_OUT_LOW)
GPIO(SEL_VBUS_B,		PIN(B,  1), GPIO_OUT_LOW)
GPIO(SEL_RELAY_A,		PIN(B,  2), GPIO_OUT_LOW)
GPIO(SEL_RELAY_B,		PIN(B,  3), GPIO_OUT_LOW)
GPIO(USB_C_SEL_B,		PIN(B,  4), GPIO_OUT_LOW)
GPIO(USB_C_OE_N,		PIN(B,  5), GPIO_OUT_HIGH)

GPIO(ST_UART_LVL_DIS,		PIN(B, 10), GPIO_OUT_HIGH)
GPIO(ST_UART_TX_DIR,		PIN(B, 12), GPIO_OUT_HIGH)
GPIO(ST_UART_TX_DIR_N,		PIN(B, 15), GPIO_OUT_LOW)
/* SBU_VSET, 1=1.8V, 0=3.3V */
GPIO(ST_UART_VREF,		PIN(B,  7), GPIO_OUT_HIGH)

GPIO(LED2_G_L,			PIN(A,  5), GPIO_OUT_HIGH)
GPIO(LED2_B_L, 			PIN(A,  8), GPIO_OUT_HIGH)
GPIO(LED2_R_L,			PIN(A, 13), GPIO_OUT_LOW)

GPIO(LED_G_L,			PIN(B, 11), GPIO_OUT_HIGH)
GPIO(LED_R_L,			PIN(B, 13), GPIO_OUT_LOW)
GPIO(LED_B_L,			PIN(B, 14), GPIO_OUT_HIGH)

/* Inputs */
GPIO(USB_C_SBU1_DET,		PIN(A,  6), GPIO_INPUT)
GPIO(USB_C_SBU2_DET,		PIN(A,  7), GPIO_INPUT)

/* USART interface */
GPIO(USART2_CTS,		PIN(A,  0), GPIO_INPUT)
GPIO(USART2_RTS,		PIN(A,  1), GPIO_INPUT)
GPIO(USART2_TX,			PIN(A,  2), GPIO_INPUT)
GPIO(USART2_RX,			PIN(A,  3), GPIO_INPUT)
GPIO(USART2_CK,			PIN(A,  4), GPIO_INPUT)

GPIO(USART1_TX,			PIN(A,  9), GPIO_INPUT)
GPIO(USART1_RX,			PIN(A, 10), GPIO_INPUT)

/* I2C pins should be configured as inputs until I2C module is    */
/* initialized. This will avoid driving the lines unintentionally.*/
GPIO(MASTER_I2C_SCL,		PIN(B,  8), GPIO_INPUT)
GPIO(MASTER_I2C_SDA,		PIN(B,  9), GPIO_INPUT)

/* Unimplemented signals since we are not an EC */
UNIMPLEMENTED(ENTERING_RW)
UNIMPLEMENTED(WP_L)

/* USART2: PA2/PA3 - Console UART */
ALTERNATE(PIN_MASK(A, 0x000C), 1, MODULE_UART, 0)
/* USART1: PA09/PA10 - AP/SBU UART */
ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_USART, 0)

/* I2C MASTER:PB8/9 GPIO_ODR_HIGH */
ALTERNATE(PIN_MASK(B, 0x0300), 1, MODULE_I2C, 0)