ARM: Merge next-samsung-s3c2443-clock
[linux-2.6.git] / arch / arm / mach-mx3 / mach-pcm037_eet.c
1 /*
2  * Copyright (C) 2009
3  * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  */
9 #include <linux/gpio.h>
10 #include <linux/gpio_keys.h>
11 #include <linux/input.h>
12 #include <linux/platform_device.h>
13 #include <linux/spi/spi.h>
14
15 #include <mach/common.h>
16 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
17 #include <mach/spi.h>
18 #endif
19 #include <mach/iomux-mx3.h>
20
21 #include <asm/mach-types.h>
22
23 #include "pcm037.h"
24 #include "devices.h"
25
26 static unsigned int pcm037_eet_pins[] = {
27         /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */
28         IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO),
29         /* GPIO keys */
30         IOMUX_MODE(MX31_PIN_GPIO1_0,    IOMUX_CONFIG_GPIO), /* 0 */
31         IOMUX_MODE(MX31_PIN_GPIO1_1,    IOMUX_CONFIG_GPIO), /* 1 */
32         IOMUX_MODE(MX31_PIN_GPIO1_2,    IOMUX_CONFIG_GPIO), /* 2 */
33         IOMUX_MODE(MX31_PIN_GPIO1_3,    IOMUX_CONFIG_GPIO), /* 3 */
34         IOMUX_MODE(MX31_PIN_SVEN0,      IOMUX_CONFIG_GPIO), /* 32 */
35         IOMUX_MODE(MX31_PIN_STX0,       IOMUX_CONFIG_GPIO), /* 33 */
36         IOMUX_MODE(MX31_PIN_SRX0,       IOMUX_CONFIG_GPIO), /* 34 */
37         IOMUX_MODE(MX31_PIN_SIMPD0,     IOMUX_CONFIG_GPIO), /* 35 */
38         IOMUX_MODE(MX31_PIN_RTS1,       IOMUX_CONFIG_GPIO), /* 38 */
39         IOMUX_MODE(MX31_PIN_CTS1,       IOMUX_CONFIG_GPIO), /* 39 */
40         IOMUX_MODE(MX31_PIN_KEY_ROW4,   IOMUX_CONFIG_GPIO), /* 50 */
41         IOMUX_MODE(MX31_PIN_KEY_ROW5,   IOMUX_CONFIG_GPIO), /* 51 */
42         IOMUX_MODE(MX31_PIN_KEY_ROW6,   IOMUX_CONFIG_GPIO), /* 52 */
43         IOMUX_MODE(MX31_PIN_KEY_ROW7,   IOMUX_CONFIG_GPIO), /* 53 */
44
45         /* LEDs */
46         IOMUX_MODE(MX31_PIN_DTR_DTE1,   IOMUX_CONFIG_GPIO), /* 44 */
47         IOMUX_MODE(MX31_PIN_DSR_DTE1,   IOMUX_CONFIG_GPIO), /* 45 */
48         IOMUX_MODE(MX31_PIN_KEY_COL5,   IOMUX_CONFIG_GPIO), /* 55 */
49         IOMUX_MODE(MX31_PIN_KEY_COL6,   IOMUX_CONFIG_GPIO), /* 56 */
50 };
51
52 /* SPI */
53 static struct spi_board_info pcm037_spi_dev[] = {
54         {
55                 .modalias       = "dac124s085",
56                 .max_speed_hz   = 400000,
57                 .bus_num        = 0,
58                 .chip_select    = 0,            /* Index in pcm037_spi1_cs[] */
59                 .mode           = SPI_CPHA,
60         },
61 };
62
63 /* Platform Data for MXC CSPI */
64 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
65 static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
66
67 struct spi_imx_master pcm037_spi1_master = {
68         .chipselect = pcm037_spi1_cs,
69         .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
70 };
71 #endif
72
73 /* GPIO-keys input device */
74 static struct gpio_keys_button pcm037_gpio_keys[] = {
75         {
76                 .type   = EV_KEY,
77                 .code   = KEY_L,
78                 .gpio   = 0,
79                 .desc   = "Wheel Manual",
80                 .wakeup = 0,
81         }, {
82                 .type   = EV_KEY,
83                 .code   = KEY_A,
84                 .gpio   = 1,
85                 .desc   = "Wheel AF",
86                 .wakeup = 0,
87         }, {
88                 .type   = EV_KEY,
89                 .code   = KEY_V,
90                 .gpio   = 2,
91                 .desc   = "Wheel View",
92                 .wakeup = 0,
93         }, {
94                 .type   = EV_KEY,
95                 .code   = KEY_M,
96                 .gpio   = 3,
97                 .desc   = "Wheel Menu",
98                 .wakeup = 0,
99         }, {
100                 .type   = EV_KEY,
101                 .code   = KEY_UP,
102                 .gpio   = 32,
103                 .desc   = "Nav Pad Up",
104                 .wakeup = 0,
105         }, {
106                 .type   = EV_KEY,
107                 .code   = KEY_RIGHT,
108                 .gpio   = 33,
109                 .desc   = "Nav Pad Right",
110                 .wakeup = 0,
111         }, {
112                 .type   = EV_KEY,
113                 .code   = KEY_DOWN,
114                 .gpio   = 34,
115                 .desc   = "Nav Pad Down",
116                 .wakeup = 0,
117         }, {
118                 .type   = EV_KEY,
119                 .code   = KEY_LEFT,
120                 .gpio   = 35,
121                 .desc   = "Nav Pad Left",
122                 .wakeup = 0,
123         }, {
124                 .type   = EV_KEY,
125                 .code   = KEY_ENTER,
126                 .gpio   = 38,
127                 .desc   = "Nav Pad Ok",
128                 .wakeup = 0,
129         }, {
130                 .type   = EV_KEY,
131                 .code   = KEY_O,
132                 .gpio   = 39,
133                 .desc   = "Wheel Off",
134                 .wakeup = 0,
135         }, {
136                 .type   = EV_KEY,
137                 .code   = BTN_FORWARD,
138                 .gpio   = 50,
139                 .desc   = "Focus Forward",
140                 .wakeup = 0,
141         }, {
142                 .type   = EV_KEY,
143                 .code   = BTN_BACK,
144                 .gpio   = 51,
145                 .desc   = "Focus Backward",
146                 .wakeup = 0,
147         }, {
148                 .type   = EV_KEY,
149                 .code   = BTN_MIDDLE,
150                 .gpio   = 52,
151                 .desc   = "Release Half",
152                 .wakeup = 0,
153         }, {
154                 .type   = EV_KEY,
155                 .code   = BTN_EXTRA,
156                 .gpio   = 53,
157                 .desc   = "Release Full",
158                 .wakeup = 0,
159         },
160 };
161
162 static struct gpio_keys_platform_data pcm037_gpio_keys_platform_data = {
163         .buttons        = pcm037_gpio_keys,
164         .nbuttons       = ARRAY_SIZE(pcm037_gpio_keys),
165         .rep            = 0, /* No auto-repeat */
166 };
167
168 static struct platform_device pcm037_gpio_keys_device = {
169         .name   = "gpio-keys",
170         .id     = -1,
171         .dev    = {
172                 .platform_data  = &pcm037_gpio_keys_platform_data,
173         },
174 };
175
176 static int eet_init_devices(void)
177 {
178         if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET)
179                 return 0;
180
181         mxc_iomux_setup_multiple_pins(pcm037_eet_pins,
182                                 ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet");
183
184         /* SPI */
185         spi_register_board_info(pcm037_spi_dev, ARRAY_SIZE(pcm037_spi_dev));
186 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
187         mxc_register_device(&mxc_spi_device0, &pcm037_spi1_master);
188 #endif
189
190         platform_device_register(&pcm037_gpio_keys_device);
191
192         return 0;
193 }
194
195 late_initcall(eet_init_devices);