Commit | Line | Data |
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574ec547 GL |
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 | /* SPI #1 */ | |
28 | MX31_PIN_CSPI1_MISO__MISO, | |
29 | MX31_PIN_CSPI1_MOSI__MOSI, | |
30 | MX31_PIN_CSPI1_SCLK__SCLK, | |
31 | MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, | |
32 | MX31_PIN_CSPI1_SS0__SS0, | |
33 | MX31_PIN_CSPI1_SS1__SS1, | |
34 | MX31_PIN_CSPI1_SS2__SS2, | |
35 | ||
36 | /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */ | |
37 | IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO), | |
38 | /* GPIO keys */ | |
39 | IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), /* 0 */ | |
40 | IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), /* 1 */ | |
41 | IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO), /* 2 */ | |
42 | IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), /* 3 */ | |
43 | IOMUX_MODE(MX31_PIN_SVEN0, IOMUX_CONFIG_GPIO), /* 32 */ | |
44 | IOMUX_MODE(MX31_PIN_STX0, IOMUX_CONFIG_GPIO), /* 33 */ | |
45 | IOMUX_MODE(MX31_PIN_SRX0, IOMUX_CONFIG_GPIO), /* 34 */ | |
46 | IOMUX_MODE(MX31_PIN_SIMPD0, IOMUX_CONFIG_GPIO), /* 35 */ | |
47 | IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_GPIO), /* 38 */ | |
48 | IOMUX_MODE(MX31_PIN_CTS1, IOMUX_CONFIG_GPIO), /* 39 */ | |
49 | IOMUX_MODE(MX31_PIN_KEY_ROW4, IOMUX_CONFIG_GPIO), /* 50 */ | |
50 | IOMUX_MODE(MX31_PIN_KEY_ROW5, IOMUX_CONFIG_GPIO), /* 51 */ | |
51 | IOMUX_MODE(MX31_PIN_KEY_ROW6, IOMUX_CONFIG_GPIO), /* 52 */ | |
52 | IOMUX_MODE(MX31_PIN_KEY_ROW7, IOMUX_CONFIG_GPIO), /* 53 */ | |
53 | ||
54 | /* LEDs */ | |
55 | IOMUX_MODE(MX31_PIN_DTR_DTE1, IOMUX_CONFIG_GPIO), /* 44 */ | |
56 | IOMUX_MODE(MX31_PIN_DSR_DTE1, IOMUX_CONFIG_GPIO), /* 45 */ | |
57 | IOMUX_MODE(MX31_PIN_KEY_COL5, IOMUX_CONFIG_GPIO), /* 55 */ | |
58 | IOMUX_MODE(MX31_PIN_KEY_COL6, IOMUX_CONFIG_GPIO), /* 56 */ | |
59 | }; | |
60 | ||
61 | /* SPI */ | |
62 | static struct spi_board_info pcm037_spi_dev[] = { | |
63 | { | |
64 | .modalias = "dac124s085", | |
65 | .max_speed_hz = 400000, | |
66 | .bus_num = 0, | |
67 | .chip_select = 0, /* Index in pcm037_spi1_cs[] */ | |
68 | .mode = SPI_CPHA, | |
69 | }, | |
70 | }; | |
71 | ||
72 | /* Platform Data for MXC CSPI */ | |
73 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | |
74 | static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)}; | |
75 | ||
76 | struct spi_imx_master pcm037_spi1_master = { | |
77 | .chipselect = pcm037_spi1_cs, | |
78 | .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs), | |
79 | }; | |
80 | #endif | |
81 | ||
82 | /* GPIO-keys input device */ | |
83 | static struct gpio_keys_button pcm037_gpio_keys[] = { | |
84 | { | |
85 | .type = EV_KEY, | |
86 | .code = KEY_L, | |
87 | .gpio = 0, | |
88 | .desc = "Wheel Manual", | |
89 | .wakeup = 0, | |
90 | }, { | |
91 | .type = EV_KEY, | |
92 | .code = KEY_A, | |
93 | .gpio = 1, | |
94 | .desc = "Wheel AF", | |
95 | .wakeup = 0, | |
96 | }, { | |
97 | .type = EV_KEY, | |
98 | .code = KEY_V, | |
99 | .gpio = 2, | |
100 | .desc = "Wheel View", | |
101 | .wakeup = 0, | |
102 | }, { | |
103 | .type = EV_KEY, | |
104 | .code = KEY_M, | |
105 | .gpio = 3, | |
106 | .desc = "Wheel Menu", | |
107 | .wakeup = 0, | |
108 | }, { | |
109 | .type = EV_KEY, | |
110 | .code = KEY_UP, | |
111 | .gpio = 32, | |
112 | .desc = "Nav Pad Up", | |
113 | .wakeup = 0, | |
114 | }, { | |
115 | .type = EV_KEY, | |
116 | .code = KEY_RIGHT, | |
117 | .gpio = 33, | |
118 | .desc = "Nav Pad Right", | |
119 | .wakeup = 0, | |
120 | }, { | |
121 | .type = EV_KEY, | |
122 | .code = KEY_DOWN, | |
123 | .gpio = 34, | |
124 | .desc = "Nav Pad Down", | |
125 | .wakeup = 0, | |
126 | }, { | |
127 | .type = EV_KEY, | |
128 | .code = KEY_LEFT, | |
129 | .gpio = 35, | |
130 | .desc = "Nav Pad Left", | |
131 | .wakeup = 0, | |
132 | }, { | |
133 | .type = EV_KEY, | |
134 | .code = KEY_ENTER, | |
135 | .gpio = 38, | |
136 | .desc = "Nav Pad Ok", | |
137 | .wakeup = 0, | |
138 | }, { | |
139 | .type = EV_KEY, | |
140 | .code = KEY_O, | |
141 | .gpio = 39, | |
142 | .desc = "Wheel Off", | |
143 | .wakeup = 0, | |
144 | }, { | |
145 | .type = EV_KEY, | |
146 | .code = BTN_FORWARD, | |
147 | .gpio = 50, | |
148 | .desc = "Focus Forward", | |
149 | .wakeup = 0, | |
150 | }, { | |
151 | .type = EV_KEY, | |
152 | .code = BTN_BACK, | |
153 | .gpio = 51, | |
154 | .desc = "Focus Backward", | |
155 | .wakeup = 0, | |
156 | }, { | |
157 | .type = EV_KEY, | |
158 | .code = BTN_MIDDLE, | |
159 | .gpio = 52, | |
160 | .desc = "Release Half", | |
161 | .wakeup = 0, | |
162 | }, { | |
163 | .type = EV_KEY, | |
164 | .code = BTN_EXTRA, | |
165 | .gpio = 53, | |
166 | .desc = "Release Full", | |
167 | .wakeup = 0, | |
168 | }, | |
169 | }; | |
170 | ||
171 | static struct gpio_keys_platform_data pcm037_gpio_keys_platform_data = { | |
172 | .buttons = pcm037_gpio_keys, | |
173 | .nbuttons = ARRAY_SIZE(pcm037_gpio_keys), | |
174 | .rep = 0, /* No auto-repeat */ | |
175 | }; | |
176 | ||
177 | static struct platform_device pcm037_gpio_keys_device = { | |
178 | .name = "gpio-keys", | |
179 | .id = -1, | |
180 | .dev = { | |
181 | .platform_data = &pcm037_gpio_keys_platform_data, | |
182 | }, | |
183 | }; | |
184 | ||
185 | static int eet_init_devices(void) | |
186 | { | |
187 | if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET) | |
188 | return 0; | |
189 | ||
190 | mxc_iomux_setup_multiple_pins(pcm037_eet_pins, | |
191 | ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet"); | |
192 | ||
193 | /* SPI */ | |
194 | spi_register_board_info(pcm037_spi_dev, ARRAY_SIZE(pcm037_spi_dev)); | |
195 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | |
196 | mxc_register_device(&mxc_spi_device0, &pcm037_spi1_master); | |
197 | #endif | |
198 | ||
199 | platform_device_register(&pcm037_gpio_keys_device); | |
200 | ||
201 | return 0; | |
202 | } | |
203 | ||
204 | late_initcall(eet_init_devices); |