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/* Copyright (c) 2012 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.
*/
/* STM32L Discovery board configuration */
#ifndef __BOARD_H
#define __BOARD_H
/* 16 MHz SYSCLK clock frequency */
#define CPU_CLOCK 16000000
/* Use USART3 as console serial port */
#define CONFIG_CONSOLE_UART 1
#define USB_CHARGE_PORT_COUNT 0
/* Host connects to keyboard controller module via I2C */
#define HOST_KB_BUS_I2C
/* GPIO signal list */
enum gpio_signal {
/* Inputs with interrupt handlers are first for efficiency */
GPIO_USER_BUTTON = 0, /* Blue user button */
/* Keyboard inputs */
KB_COL00,
KB_COL01,
KB_COL02,
KB_COL03,
KB_COL04,
KB_COL05,
KB_COL06,
KB_COL07,
/* Other inputs */
/* Outputs */
GPIO_BLUE_LED, /* Blue debug LED */
GPIO_GREEN_LED, /* Green debug LED */
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
void configure_board(void);
void matrix_interrupt(enum gpio_signal signal);
#endif /* __BOARD_H */
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