| /* -*- 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. */ |
| |
| /* Interrupts */ |
| GPIO_INT(USB_C0_VBUS_WAKE_L, PIN(C, 14), GPIO_INT_BOTH, pd_vbus_evt_p0) |
| GPIO_INT(USB_C1_VBUS_WAKE_L, PIN(C, 15), GPIO_INT_BOTH, pd_vbus_evt_p1) |
| |
| /* |
| * Older boards have A13 connected to a test point with no PU / PD, so we must |
| * enable an internal PU. |
| * Newer boards have A13 connected to 3.3V / GND through a 100K resistor, so |
| * we must not enable an internal PU. All MP boards will use the newer config. |
| * TODO(crosbug.com/p/50518): Remove CONFIG_SYSTEM_UNLOCKED prior to building |
| * MP FW. |
| */ |
| #ifdef CONFIG_SYSTEM_UNLOCKED |
| GPIO_INT(WP_L, PIN(A, 13), GPIO_INT_BOTH | GPIO_PULL_UP, |
| switch_interrupt) |
| #else |
| GPIO_INT(WP_L, PIN(A, 13), GPIO_INT_BOTH, switch_interrupt) |
| #endif |
| |
| /* PD RX/TX */ |
| GPIO(USB_C0_CC1_PD, PIN(A, 2), GPIO_ANALOG) |
| GPIO(USB_C_REF, PIN(A, 1), GPIO_ANALOG) |
| GPIO(USB_C1_CC1_PD, PIN(A, 0), GPIO_ANALOG) |
| GPIO(USB_C0_CC2_PD, PIN(A, 4), GPIO_ANALOG) |
| GPIO(USB_C1_CC2_PD, PIN(A, 5), GPIO_ANALOG) |
| |
| GPIO(USB_C1_CCX_TX_DATA, PIN(B, 14), GPIO_INPUT) |
| GPIO(USB_C0_CC1_TX_DATA, PIN(B, 4), GPIO_INPUT) |
| GPIO(USB_C1_CC2_TX_SEL, PIN(B, 0), GPIO_OUT_LOW) /* C1_CC2_TX_SEL */ |
| GPIO(USB_C0_CC2_TX_DATA, PIN(A, 6), GPIO_INPUT) |
| GPIO(USB_PD_VBUS_WAKE, PIN(C, 13), GPIO_INPUT) |
| |
| GPIO(PP3300_USB_PD_EN, PIN(A, 15), GPIO_OUT_HIGH) |
| GPIO(USB_C0_CC1_VCONN1_EN, PIN(B, 1), GPIO_OUT_LOW) |
| GPIO(USB_C0_CC2_VCONN1_EN, PIN(B, 2), GPIO_OUT_LOW) |
| GPIO(USB_C1_CC1_VCONN1_EN, PIN(B, 9), GPIO_OUT_LOW) |
| GPIO(USB_C1_CC2_VCONN1_EN, PIN(F, 0), GPIO_OUT_LOW) |
| |
| GPIO(USB_C0_HOST_HIGH, PIN(A, 3), GPIO_OUT_LOW) |
| GPIO(USB_C1_HOST_HIGH, PIN(A, 7), GPIO_OUT_LOW) |
| GPIO(USB_C0_CC1_ODL, PIN(A, 11), GPIO_ODR_LOW) |
| GPIO(USB_C0_CC2_ODL, PIN(A, 12), GPIO_ODR_LOW) |
| GPIO(USB_C1_CC1_ODL, PIN(B, 12), GPIO_ODR_LOW) |
| GPIO(USB_C1_CC2_ODL, PIN(A, 8), GPIO_ODR_LOW) |
| |
| /* |
| * I2C pins should be configured as inputs until I2C module is |
| * initialized. This will avoid driving the lines unintentionally. |
| */ |
| GPIO(SLAVE_I2C_SCL, PIN(B, 6), GPIO_INPUT) |
| GPIO(SLAVE_I2C_SDA, PIN(B, 7), GPIO_INPUT) |
| |
| #ifdef BOARD_OAK_PD |
| GPIO(EC_INT, PIN(B, 5), GPIO_OUT_HIGH) |
| #else |
| GPIO(EC_INT, PIN(A, 14), GPIO_ODR_HIGH) |
| #endif |
| |
| UNIMPLEMENTED(ENTERING_RW) |
| |
| #if 0 |
| /* Alternate functions */ |
| GPIO(USB_C1_TX_CLKOUT, PIN(B, 15), GPIO_OUT_LOW) |
| GPIO(USB_C0_TX_CLKOUT, PIN(B, 8), GPIO_OUT_LOW) |
| GPIO(USB_C1_TX_CLKIN, PIN(B, 13), GPIO_OUT_LOW) |
| GPIO(USB_C0_TX_CLKIN, PIN(B, 3), GPIO_OUT_LOW) |
| #endif |
| |
| ALTERNATE(PIN_MASK(B, 0x0008), 0, MODULE_USB_PD, 0) /* SPI1: SCK(PB3) */ |
| ALTERNATE(PIN_MASK(B, 0x2000), 0, MODULE_USB_PD, 0) /* SPI2: SCK(PB13) */ |
| ALTERNATE(PIN_MASK(B, 0x0100), 2, MODULE_USB_PD, 0) /* TIM16_CH1: PB8 */ |
| ALTERNATE(PIN_MASK(B, 0x8000), 1, MODULE_USB_PD, 0) /* TIM15_CH2: PB15 */ |
| ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART, 0) /* USART1: PA9/PA10 */ |
| ALTERNATE(PIN_MASK(B, 0x00c0), 1, MODULE_I2C, 0) /* I2C SLAVE:PB6/7 */ |