/* -*- mode:c -*-
 *
 * Copyright 2020 The ChromiumOS Authors
 * 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. */

#ifdef SECTION_IS_RW
GPIO_INT(HOST_USBC_PPC_INT_ODL,  PIN(C, 1),       GPIO_INT_FALLING | GPIO_PULL_UP,  ppc_interrupt)
GPIO_INT(USBC_DP_MUX_ALERT_ODL,  PIN(C, 12),       GPIO_INT_FALLING | GPIO_PULL_UP,   tcpc_alert_event)
GPIO_INT(DDI_MST_IN_HPD,         PIN(C, 14),      GPIO_INT_BOTH, hpd_interrupt)
GPIO_INT(PWR_BTN,                PIN(A,  0),      GPIO_INT_BOTH, board_pwr_btn_interrupt)
#endif

/* Power sequencing signals */
GPIO(EN_AC_JACK,                    PIN(A, 1),  GPIO_OUT_LOW)
GPIO(EN_BB,                         PIN(C, 0),  GPIO_OUT_LOW)
GPIO(EN_PP3300_A,                   PIN(C, 10), GPIO_OUT_LOW)
GPIO(EN_PP5000_A,                   PIN(C, 2),  GPIO_OUT_LOW)
GPIO(EN_PP1200_A,                   PIN(C, 3),  GPIO_OUT_LOW)
GPIO(EN_PP1100_A,                   PIN(C, 4),  GPIO_OUT_LOW)
GPIO(EN_PP1000_A,                   PIN(C, 5),  GPIO_OUT_LOW)
GPIO(EN_PP1050_A,                   PIN(C, 6),  GPIO_OUT_LOW)
GPIO(EN_PP5000_HSPORT,              PIN(C, 7),  GPIO_OUT_LOW)
GPIO(EC_STATUS_LED1,                PIN(A, 2),  GPIO_OUT_HIGH)
GPIO(EC_STATUS_LED2,                PIN(B, 12), GPIO_OUT_HIGH)

/* MST Hub signals */
GPIO(MST_LP_CTL_L,                  PIN(B, 9),  GPIO_OUT_LOW)
GPIO(MST_RST_L,                     PIN(B, 3),  GPIO_ODR_LOW)
GPIO(MST_HUB_LANE_SWITCH,           PIN(C, 15), GPIO_OUT_HIGH)

/* Display Demux signals */
GPIO(DEMUX_DUAL_DP_MODE,            PIN(D, 8),  GPIO_OUT_LOW)
GPIO(DEMUX_DP_HDMI_MODE,            PIN(D, 10), GPIO_OUT_LOW)
GPIO(DEMUX_DUAL_DP_RESET_N,         PIN(B, 14), GPIO_ODR_HIGH)
GPIO(DEMUX_DUAL_DP_PD_N,            PIN(D, 2),  GPIO_ODR_HIGH)
GPIO(DEMUX_DP_HDMI_PD_N,            PIN(D, 9),  GPIO_ODR_HIGH)

/* USBC Mux and Demux Signals */
GPIO(EN_DP_SINK,                    PIN(B, 2),  GPIO_OUT_LOW)
GPIO(DP_SINK_RESET,                 PIN(B, 1),  GPIO_OUT_LOW)
GPIO(USBC_DP_PD_RST_L,              PIN(C, 13), GPIO_ODR_LOW)
GPIO(USBC_UF_RESET_L,               PIN(C, 11), GPIO_ODR_LOW)

/* USB Hubs signals */
GPIO(EC_HUB1_RESET_L,               PIN(E, 13), GPIO_ODR_LOW)
GPIO(EC_HUB2_RESET_L,               PIN(E, 14), GPIO_ODR_LOW)

/* DEBUG signals */
GPIO(DEBUG_GPIO1,                   PIN(B, 13),      GPIO_OUT_LOW)

/* Configure as output to enable @1.5A on USBA Ports
* USB CDP enables. */
GPIO(USB3_A1_CDP_EN,                PIN(E, 7),       GPIO_OUT_LOW)
GPIO(USB3_A2_CDP_EN,                PIN(E, 8),       GPIO_OUT_LOW)
GPIO(USB3_P3_CDP_EN,                PIN(D, 1),       GPIO_OUT_HIGH)
GPIO(USB3_P4_CDP_EN,                PIN(E, 12),      GPIO_OUT_HIGH)

/* Write protect */
GPIO(EC_FLASH_WP_ODL,               PIN(A, 3),       GPIO_ODR_HIGH)
GPIO(EC_WP_L,                       PIN(E, 11),      GPIO_INT_BOTH)


/* SPI Bus */
GPIO(FLASH_SPI1_NSS,                PIN(A, 4),       GPIO_INT_FALLING)
GPIO(FLASH_SPI1_SCK,                PIN(A, 5),       GPIO_INT_BOTH)
GPIO(FLASH_SPI1_MISO,               PIN(A, 6),       GPIO_INT_BOTH)
GPIO(FLASH_SPI1_MOSI,               PIN(A, 7),       GPIO_INT_BOTH)

/* misc signals */
GPIO(EC_DFU_MUX_CTRL,               PIN(A, 8),       GPIO_OUT_HIGH)
GPIO(TP71,               PIN(B, 0),       GPIO_OUT_LOW)

/*
 * I2C SCL/SDA pins. These will normally be under control of the peripheral from
 * alt fucntion setting below. But if a port gets wedged, the unwedge code uses
 * these signals as regular GPIOs.
 */
GPIO(EC_I2C1_SCL,                   PIN(A, 15),  GPIO_ODR_HIGH)
GPIO(EC_I2C1_SDA,                   PIN(B,  7),  GPIO_ODR_HIGH)
GPIO(EC_I2C3_SCL,                   PIN(C,  8),  GPIO_ODR_HIGH)
GPIO(EC_I2C3_SDA,                   PIN(C,  9),  GPIO_ODR_HIGH)

UNIMPLEMENTED(EC_ENTERING_RW)

ALTERNATE(PIN_MASK(B, 0x0C00), GPIO_ALT_USART,   MODULE_UART,     GPIO_PULL_UP) /* GPIOB 10-11:USART3_TX/RX */
ALTERNATE(PIN_MASK(A, 0x00F0),      5,           MODULE_SPI,      0) /* GPIOA4-7: SPI Signals */
/* I2C Ports
 *   I2C1: SDA/SCL -> PB7/PA15
 *   I2C2: SDA/SCL -> PA8/PA9
 *   I2C3: SDA/SCL -> PC8/PC9
 */
ALTERNATE(PIN_MASK(B, 0x0080),  4, MODULE_I2C,   GPIO_OPEN_DRAIN)
ALTERNATE(PIN_MASK(A, 0X8000),  4, MODULE_I2C,   GPIO_OPEN_DRAIN)
ALTERNATE(PIN_MASK(C, 0x0300),  8, MODULE_I2C,   GPIO_OPEN_DRAIN)