/* * Copyright 2019 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* Interrupts */ GPIO_INT(SLP_L, PIN(A, 8), GPIO_INT_BOTH, slp_event) GPIO_INT(SLP_ALT_L, PIN(B, 6), GPIO_INT_BOTH, slp_event) GPIO_INT(SPI1_NSS, PIN(A, 4), GPIO_INPUT, spi_event) /* Inputs */ GPIO(TRANSPORT_SEL, PIN(B, 1), GPIO_INPUT) GPIO(WP, PIN(B, 7), GPIO_INPUT) /* Outputs */ GPIO(EC_INT_L, PIN(A, 1), GPIO_OUT_HIGH) GPIO(DIVIDER_HIGHSIDE, PIN(B, 8), GPIO_OUT_LOW) /* * Unused pins. * Configuring unused pins as ANALOG INPUT to save power. For more info * look at "USING STM32F4 MCU POWER MODES WITH BEST DYNAMIC EFFICIENCY" * ("AN4365") section 1.2.6 and STM32F412 reference manual section 7.3.12. */ UNUSED(PIN(B, 2)) UNUSED(PIN(B, 5)) UNUSED(PIN(C, 13)) UNUSED(PIN(C, 14)) UNUSED(PIN(C, 15)) UNUSED(PIN(H, 0)) UNUSED(PIN(H, 1)) UNIMPLEMENTED(ENTERING_RW) /* USART1: PA9/PA10 (TX/RX) to AP */ ALTERNATE(PIN_MASK(A, 0x0600), GPIO_ALT_USART, MODULE_UART, GPIO_PULL_UP) /* USART2: PA2/PA3 (TX/RX) to servo */ ALTERNATE(PIN_MASK(A, 0x000C), GPIO_ALT_USART, MODULE_UART, GPIO_PULL_UP) /* SPI1 slave from the AP: PA4/5/6/7 (CS/CLK/MISO/MOSI) */ ALTERNATE(PIN_MASK(A, 0x00f0), GPIO_ALT_SPI, MODULE_SPI, 0) #ifdef SECTION_IS_RW #include "gpio_rw.inc" #endif