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/* -*- mode:c -*-
*
* Copyright 2015 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. */
GPIO_INT(DP_HPD, PIN(A, 0), GPIO_INT_BOTH, hpd_event)
/* PD RX/TX */
GPIO(USB_CC1_PD, PIN(A, 1), GPIO_ANALOG)
GPIO(PD_VBUS_P, PIN(A, 5), GPIO_ANALOG)
GPIO(PD_VBUS_N, PIN(A, 6), GPIO_ANALOG)
GPIO(PD_TX_EN, PIN(A, 15), GPIO_OUT_LOW)
GPIO(PD_TX_DATA, PIN(B, 4), GPIO_OUT_LOW)
/* Power and muxes control */
GPIO(PP20000_EN, PIN(A, 8), GPIO_OUT_LOW)
GPIO(PP12000_EN, PIN(A, 14), GPIO_OUT_LOW)
GPIO(PPVAR_VBUS_EN, PIN(B, 12), GPIO_OUT_LOW)
GPIO(SS_MUX_OE_L, PIN(B, 13), GPIO_OUT_HIGH)
GPIO(SS_MUX_SEL, PIN(B, 14), GPIO_OUT_LOW)
/* Display Port/HDMI */
GPIO(PD_SBU_ENABLE, PIN(A, 7), GPIO_OUT_LOW)
/* Chip Resets */
GPIO(BRIDGE_RESET_L, PIN(B, 0), GPIO_OUT_LOW)
GPIO(SPLITTER_RESET_L, PIN(B, 1), GPIO_OUT_LOW)
GPIO(HUB_RESET_L, PIN(B, 15), GPIO_OUT_LOW)
/*
* 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, 6), GPIO_INPUT)
GPIO(MASTER_I2C_SDA, PIN(B, 7), GPIO_INPUT)
/* Test points */
GPIO(TP6, PIN(A, 13), GPIO_OUT_HIGH /*GPIO_ODR_HIGH*/)
/* Unimplemented signals which we need to emulate for now */
UNIMPLEMENTED(ENTERING_RW)
UNIMPLEMENTED(WP_L)
ALTERNATE(PIN_MASK(B, 0x0018), 0, MODULE_USB_PD, 0) /* SPI1 SCK/MISO: PB3/PB4 */
ALTERNATE(PIN_MASK(B, 0x0200), 2, MODULE_USB_PD, 0) /* TIM17_CH1: PB9 */
ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART, GPIO_PULL_UP) /* USART1: PA9/PA10 */
ALTERNATE(PIN_MASK(A, 0x000C), 1, MODULE_UART, GPIO_PULL_UP) /* USART2: PA2/PA3 */
ALTERNATE(PIN_MASK(B, 0x0C00), 4, MODULE_UART, GPIO_PULL_UP) /* USART3: PB10/PB11 */
ALTERNATE(PIN_MASK(B, 0x00C0), 1, MODULE_I2C, 0) /* I2C MASTER: PB6/PB7 */
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