1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/* 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.
*/
/* STM32F072-discovery board based USB PD evaluation configuration */
#include "common.h"
#include "anx7447.h"
#include "ec_version.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "registers.h"
#include "task.h"
#include "tcpm/tcpci.h"
#include "usb_descriptor.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#include "util.h"
void button_event(enum gpio_signal signal);
void alert_event(enum gpio_signal signal)
{
/* Exchange status with PD MCU. */
host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
}
#include "gpio_list.h"
const void *const usb_strings[] = {
[USB_STR_DESC] = usb_string_desc,
[USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."),
[USB_STR_PRODUCT] = USB_STRING_DESC("PDeval-stm32f072"),
[USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
[USB_STR_CONSOLE_NAME] = USB_STRING_DESC("Shell"),
};
BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);
/* Initialize board. */
static void board_init(void)
{
gpio_enable_interrupt(GPIO_USER_BUTTON);
gpio_enable_interrupt(GPIO_PD_MCU_INT);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
void board_reset_pd_mcu(void)
{
}
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"tcpc", I2C_PORT_TCPC, 400 /* kHz */, GPIO_I2C0_SCL, GPIO_I2C0_SDA}
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = I2C_PORT_TCPC,
.addr_flags = AN7447_TCPC3_I2C_ADDR_FLAGS,
},
.drv = &anx7447_tcpm_drv,
},
};
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_PD_MCU_INT)) {
status = PD_STATUS_TCPC_ALERT_0;
}
return status;
}
|
