81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* STM32F072-discovery board based USB PD evaluation configuration */
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#include "common.h"
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#include "anx7447.h"
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#include "ec_version.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "i2c.h"
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#include "registers.h"
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#include "task.h"
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#include "tcpci.h"
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#include "usb_descriptor.h"
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#include "usb_pd.h"
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#include "usb_pd_tcpm.h"
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#include "util.h"
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void button_event(enum gpio_signal signal);
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void alert_event(enum gpio_signal signal)
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{
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/* Exchange status with PD MCU. */
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host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
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}
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#include "gpio_list.h"
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const void *const usb_strings[] = {
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[USB_STR_DESC] = usb_string_desc,
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[USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."),
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[USB_STR_PRODUCT] = USB_STRING_DESC("PDeval-stm32f072"),
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[USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
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[USB_STR_CONSOLE_NAME] = USB_STRING_DESC("Shell"),
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};
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BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);
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/* Initialize board. */
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static void board_init(void)
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{
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gpio_enable_interrupt(GPIO_USER_BUTTON);
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gpio_enable_interrupt(GPIO_PD_MCU_INT);
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}
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DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
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void board_reset_pd_mcu(void)
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{
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}
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/* I2C ports */
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const struct i2c_port_t i2c_ports[] = {
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{"tcpc", I2C_PORT_TCPC, 400 /* kHz */, GPIO_I2C0_SCL, GPIO_I2C0_SDA}
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};
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const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
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const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
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{
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.bus_type = EC_BUS_TYPE_I2C,
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.i2c_info = {
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.port = I2C_PORT_TCPC,
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.addr_flags = AN7447_TCPC3_I2C_ADDR_FLAGS,
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},
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.drv = &anx7447_tcpm_drv,
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},
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};
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uint16_t tcpc_get_alert_status(void)
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{
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uint16_t status = 0;
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if (!gpio_get_level(GPIO_PD_MCU_INT)) {
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status = PD_STATUS_TCPC_ALERT_0;
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}
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return status;
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}
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