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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* Copyright (C) ST-Ericsson SA 2011
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/platform_device.h>
#include <linux/mfd/cg2900.h>
#include <linux/gpio.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci.h>
#include <plat/gpio.h>
#include <plat/pincfg.h>
#include "devices-cg2900.h"
#include "pins-db5500.h"
#define CG2900_BT_CTS_GPIO 168
enum cg2900_gpio_pull_sleep cg2900_sleep_gpio[21] = {
CG2900_NO_PULL, /* GPIO 0: PTA_CONFX */
CG2900_PULL_DN, /* GPIO 1: PTA_STATUS */
CG2900_NO_PULL, /* GPIO 2: UART_CTSN */
CG2900_PULL_UP, /* GPIO 3: UART_RTSN */
CG2900_PULL_UP, /* GPIO 4: UART_TXD */
CG2900_NO_PULL, /* GPIO 5: UART_RXD */
CG2900_PULL_DN, /* GPIO 6: IOM_DOUT */
CG2900_NO_PULL, /* GPIO 7: IOM_FSC */
CG2900_NO_PULL, /* GPIO 8: IOM_CLK */
CG2900_NO_PULL, /* GPIO 9: IOM_DIN */
CG2900_PULL_DN, /* GPIO 10: PWR_REQ */
CG2900_PULL_DN, /* GPIO 11: HOST_WAKEUP */
CG2900_PULL_DN, /* GPIO 12: IIS_DOUT */
CG2900_NO_PULL, /* GPIO 13: IIS_WS */
CG2900_NO_PULL, /* GPIO 14: IIS_CLK */
CG2900_NO_PULL, /* GPIO 15: IIS_DIN */
CG2900_PULL_DN, /* GPIO 16: PTA_FREQ */
CG2900_PULL_DN, /* GPIO 17: PTA_RF_ACTIVE */
CG2900_NO_PULL, /* GPIO 18: NotConnected (J6428) */
CG2900_NO_PULL, /* GPIO 19: EXT_DUTY_CYCLE */
CG2900_NO_PULL, /* GPIO 20: EXT_FRM_SYNCH */
};
static struct platform_device ux500_cg2900_device = {
.name = "cg2900",
};
#ifdef CONFIG_MFD_CG2900_CHIP
static struct platform_device ux500_cg2900_chip_device = {
.name = "cg2900-chip",
.dev = {
.parent = &ux500_cg2900_device.dev,
},
};
#endif /* CONFIG_MFD_CG2900_CHIP */
#ifdef CONFIG_MFD_CG2900_TEST
static struct cg2900_platform_data cg2900_test_platform_data = {
.bus = HCI_VIRTUAL,
.gpio_sleep = cg2900_sleep_gpio,
};
static struct platform_device ux500_cg2900_test_device = {
.name = "cg2900-test",
.dev = {
.parent = &ux500_cg2900_device.dev,
.platform_data = &cg2900_test_platform_data,
},
};
#endif /* CONFIG_MFD_CG2900_TEST */
#ifdef CONFIG_MFD_CG2900_UART
static struct resource cg2900_uart_resources[] = {
{
.start = CG2900_BT_CTS_GPIO,
.end = CG2900_BT_CTS_GPIO,
.flags = IORESOURCE_IO,
.name = "cts_gpio",
},
{
.start = GPIO_TO_IRQ(CG2900_BT_CTS_GPIO),
.end = GPIO_TO_IRQ(CG2900_BT_CTS_GPIO),
.flags = IORESOURCE_IRQ,
.name = "cts_irq",
},
};
static pin_cfg_t cg2900_uart_enabled[] = {
GPIO165_U3_RXD | PIN_INPUT_PULLUP,
GPIO166_U3_TXD | PIN_OUTPUT_HIGH,
GPIO167_U3_RTSn | PIN_OUTPUT_HIGH,
GPIO168_U3_CTSn | PIN_INPUT_PULLUP,
};
static pin_cfg_t cg2900_uart_disabled[] = {
GPIO165_GPIO | PIN_INPUT_PULLUP, /* RX pull down. */
GPIO166_GPIO | PIN_OUTPUT_LOW, /* TX low - break on. */
GPIO167_GPIO | PIN_OUTPUT_HIGH, /* RTS high-flow off. */
GPIO168_GPIO | PIN_INPUT_PULLUP, /* CTS pull up. */
};
static struct cg2900_platform_data cg2900_uart_platform_data = {
.bus = HCI_UART,
.gpio_sleep = cg2900_sleep_gpio,
.uart = {
.n_uart_gpios = 4,
.uart_enabled = cg2900_uart_enabled,
.uart_disabled = cg2900_uart_disabled,
},
};
static struct platform_device ux500_cg2900_uart_device = {
.name = "cg2900-uart",
.dev = {
.platform_data = &cg2900_uart_platform_data,
.parent = &ux500_cg2900_device.dev,
},
.num_resources = ARRAY_SIZE(cg2900_uart_resources),
.resource = cg2900_uart_resources,
};
#endif /* CONFIG_MFD_CG2900_UART */
void __init u5500_cg2900_init(void)
{
#ifdef CONFIG_MFD_CG2900_TEST
dcg2900_init_platdata(&cg2900_test_platform_data);
#endif /* CONFIG_MFD_CG2900_TEST */
#ifdef CONFIG_MFD_CG2900_UART
dcg2900_init_platdata(&cg2900_uart_platform_data);
#endif /* CONFIG_MFD_CG2900_UART */
platform_device_register(&ux500_cg2900_device);
#ifdef CONFIG_MFD_CG2900_UART
platform_device_register(&ux500_cg2900_uart_device);
#endif /* CONFIG_MFD_CG2900_UART */
#ifdef CONFIG_MFD_CG2900_TEST
platform_device_register(&ux500_cg2900_test_device);
#endif /* CONFIG_MFD_CG2900_TEST */
#ifdef CONFIG_MFD_CG2900_CHIP
platform_device_register(&ux500_cg2900_chip_device);
#endif /* CONFIG_MFD_CG2900_CHIP */
}
|
