ARM: gpio: at91: remove redundant include of mach/gpio.h
[deliverable/linux.git] / arch / arm / mach-omap1 / board-palmz71.c
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1/*
2 * linux/arch/arm/mach-omap1/board-palmz71.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Palm Zire71 PDA.
7 *
8 * Original version : Laurent Gonzalez
9 *
10 * Modified for zire71 : Marek Vasut
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17#include <linux/delay.h>
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/platform_device.h>
21#include <linux/notifier.h>
22#include <linux/clk.h>
23#include <linux/irq.h>
24#include <linux/input.h>
25#include <linux/interrupt.h>
26#include <linux/mtd/mtd.h>
27#include <linux/mtd/partitions.h>
561b036a 28#include <linux/mtd/physmap.h>
ec70e8af 29
a09e64fb 30#include <mach/hardware.h>
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31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/map.h>
ec70e8af 34
a09e64fb 35#include <mach/gpio.h>
561b036a 36#include <plat/flash.h>
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37#include <plat/mux.h>
38#include <plat/usb.h>
39#include <plat/dma.h>
40#include <plat/tc.h>
41#include <plat/board.h>
42#include <plat/irda.h>
43#include <plat/keypad.h>
44#include <plat/common.h>
45#include <plat/omap-alsa.h>
ec70e8af 46
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47#include <linux/spi/spi.h>
48#include <linux/spi/ads7846.h>
49
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50#define PALMZ71_USBDETECT_GPIO 0
51#define PALMZ71_PENIRQ_GPIO 6
52#define PALMZ71_MMC_WP_GPIO 8
53#define PALMZ71_HDQ_GPIO 11
54
55#define PALMZ71_HOTSYNC_GPIO OMAP_MPUIO(1)
56#define PALMZ71_CABLE_GPIO OMAP_MPUIO(2)
57#define PALMZ71_SLIDER_GPIO OMAP_MPUIO(3)
58#define PALMZ71_MMC_IN_GPIO OMAP_MPUIO(4)
59
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60static void __init
61omap_palmz71_init_irq(void)
62{
63 omap1_init_common_hw();
741e3a89 64 omap1_init_irq();
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65}
66
da1f026b 67static const unsigned int palmz71_keymap[] = {
ec70e8af 68 KEY(0, 0, KEY_F1),
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69 KEY(1, 0, KEY_F2),
70 KEY(2, 0, KEY_F3),
71 KEY(3, 0, KEY_F4),
72 KEY(4, 0, KEY_POWER),
73 KEY(0, 1, KEY_LEFT),
ec70e8af 74 KEY(1, 1, KEY_DOWN),
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75 KEY(2, 1, KEY_UP),
76 KEY(3, 1, KEY_RIGHT),
77 KEY(4, 1, KEY_ENTER),
78 KEY(0, 2, KEY_CAMERA),
79};
80
81static const struct matrix_keymap_data palmz71_keymap_data = {
82 .keymap = palmz71_keymap,
83 .keymap_size = ARRAY_SIZE(palmz71_keymap),
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84};
85
86static struct omap_kp_platform_data palmz71_kp_data = {
87 .rows = 8,
88 .cols = 8,
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89 .keymap_data = &palmz71_keymap_data,
90 .rep = true,
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91 .delay = 80,
92};
93
94static struct resource palmz71_kp_resources[] = {
95 [0] = {
96 .start = INT_KEYBOARD,
97 .end = INT_KEYBOARD,
98 .flags = IORESOURCE_IRQ,
99 },
100};
101
102static struct platform_device palmz71_kp_device = {
103 .name = "omap-keypad",
104 .id = -1,
105 .dev = {
106 .platform_data = &palmz71_kp_data,
107 },
108 .num_resources = ARRAY_SIZE(palmz71_kp_resources),
109 .resource = palmz71_kp_resources,
110};
111
112static struct mtd_partition palmz71_rom_partitions[] = {
113 /* PalmOS "Small ROM", contains the bootloader and the debugger */
114 {
115 .name = "smallrom",
116 .offset = 0,
117 .size = 0xa000,
118 .mask_flags = MTD_WRITEABLE,
119 },
120 /* PalmOS "Big ROM", a filesystem with all the OS code and data */
121 {
122 .name = "bigrom",
123 .offset = SZ_128K,
124 /*
125 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
126 * 0x7b0000 bytes in the English-only ("enUS") version.
127 */
128 .size = 0x7b0000,
129 .mask_flags = MTD_WRITEABLE,
130 },
131};
132
561b036a 133static struct physmap_flash_data palmz71_rom_data = {
ec70e8af 134 .width = 2,
561b036a 135 .set_vpp = omap1_set_vpp,
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136 .parts = palmz71_rom_partitions,
137 .nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
138};
139
140static struct resource palmz71_rom_resource = {
141 .start = OMAP_CS0_PHYS,
142 .end = OMAP_CS0_PHYS + SZ_8M - 1,
143 .flags = IORESOURCE_MEM,
144};
145
146static struct platform_device palmz71_rom_device = {
561b036a 147 .name = "physmap-flash",
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148 .id = -1,
149 .dev = {
150 .platform_data = &palmz71_rom_data,
151 },
152 .num_resources = 1,
153 .resource = &palmz71_rom_resource,
154};
155
156static struct platform_device palmz71_lcd_device = {
157 .name = "lcd_palmz71",
158 .id = -1,
159};
160
161static struct omap_irda_config palmz71_irda_config = {
162 .transceiver_cap = IR_SIRMODE,
163 .rx_channel = OMAP_DMA_UART3_RX,
164 .tx_channel = OMAP_DMA_UART3_TX,
165 .dest_start = UART3_THR,
166 .src_start = UART3_RHR,
167 .tx_trigger = 0,
168 .rx_trigger = 0,
169};
170
171static struct resource palmz71_irda_resources[] = {
172 [0] = {
173 .start = INT_UART3,
174 .end = INT_UART3,
175 .flags = IORESOURCE_IRQ,
176 },
177};
178
179static struct platform_device palmz71_irda_device = {
180 .name = "omapirda",
181 .id = -1,
182 .dev = {
183 .platform_data = &palmz71_irda_config,
184 },
185 .num_resources = ARRAY_SIZE(palmz71_irda_resources),
186 .resource = palmz71_irda_resources,
187};
188
189static struct platform_device palmz71_spi_device = {
190 .name = "spi_palmz71",
191 .id = -1,
192};
193
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194static struct omap_backlight_config palmz71_backlight_config = {
195 .default_intensity = 0xa0,
196};
197
198static struct platform_device palmz71_backlight_device = {
199 .name = "omap-bl",
200 .id = -1,
201 .dev = {
202 .platform_data = &palmz71_backlight_config,
203 },
204};
205
206static struct platform_device *devices[] __initdata = {
207 &palmz71_rom_device,
208 &palmz71_kp_device,
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209 &palmz71_lcd_device,
210 &palmz71_irda_device,
211 &palmz71_spi_device,
212 &palmz71_backlight_device,
213};
214
215static int
216palmz71_get_pendown_state(void)
217{
0b84b5ca 218 return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
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219}
220
221static const struct ads7846_platform_data palmz71_ts_info = {
222 .model = 7846,
223 .vref_delay_usecs = 100, /* internal, no capacitor */
224 .x_plate_ohms = 419,
225 .y_plate_ohms = 486,
226 .get_pendown_state = palmz71_get_pendown_state,
227};
228
229static struct spi_board_info __initdata palmz71_boardinfo[] = { {
230 /* MicroWire (bus 2) CS0 has an ads7846e */
231 .modalias = "ads7846",
232 .platform_data = &palmz71_ts_info,
233 .irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
234 .max_speed_hz = 120000 /* max sample rate at 3V */
235 * 26 /* command + data + overhead */,
236 .bus_num = 2,
237 .chip_select = 0,
238} };
239
240static struct omap_usb_config palmz71_usb_config __initdata = {
241 .register_dev = 1, /* Mini-B only receptacle */
242 .hmc_mode = 0,
243 .pins[0] = 2,
244};
245
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246static struct omap_lcd_config palmz71_lcd_config __initdata = {
247 .ctrl_name = "internal",
248};
249
e27a93a9 250static struct omap_board_config_kernel palmz71_config[] __initdata = {
ec70e8af 251 {OMAP_TAG_LCD, &palmz71_lcd_config},
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252};
253
254static irqreturn_t
255palmz71_powercable(int irq, void *dev_id)
256{
0b84b5ca 257 if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
ec70e8af 258 printk(KERN_INFO "PM: Power cable connected\n");
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259 irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
260 IRQ_TYPE_EDGE_FALLING);
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261 } else {
262 printk(KERN_INFO "PM: Power cable disconnected\n");
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263 irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
264 IRQ_TYPE_EDGE_RISING);
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265 }
266 return IRQ_HANDLED;
267}
268
269static void __init
270omap_mpu_wdt_mode(int mode)
271{
272 if (mode)
273 omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
274 else {
275 omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
276 omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
277 }
278}
279
280static void __init
281palmz71_gpio_setup(int early)
282{
283 if (early) {
284 /* Only set GPIO1 so we have a working serial */
e918edf7 285 gpio_direction_output(1, 1);
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286 } else {
287 /* Set MMC/SD host WP pin as input */
f2d18fea 288 if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
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289 printk(KERN_ERR "Could not reserve WP GPIO!\n");
290 return;
291 }
40e3925b 292 gpio_direction_input(PALMZ71_MMC_WP_GPIO);
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293
294 /* Monitor the Power-cable-connected signal */
f2d18fea 295 if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
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296 printk(KERN_ERR
297 "Could not reserve cable signal GPIO!\n");
298 return;
299 }
40e3925b 300 gpio_direction_input(PALMZ71_USBDETECT_GPIO);
15f74b03 301 if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
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302 palmz71_powercable, IRQF_SAMPLE_RANDOM,
303 "palmz71-cable", 0))
304 printk(KERN_ERR
305 "IRQ request for power cable failed!\n");
15f74b03 306 palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
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307 }
308}
309
310static void __init
311omap_palmz71_init(void)
312{
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313 /* mux pins for uarts */
314 omap_cfg_reg(UART1_TX);
315 omap_cfg_reg(UART1_RTS);
316 omap_cfg_reg(UART2_TX);
317 omap_cfg_reg(UART2_RTS);
318 omap_cfg_reg(UART3_TX);
319 omap_cfg_reg(UART3_RX);
320
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321 palmz71_gpio_setup(1);
322 omap_mpu_wdt_mode(0);
323
324 omap_board_config = palmz71_config;
325 omap_board_config_size = ARRAY_SIZE(palmz71_config);
326
327 platform_add_devices(devices, ARRAY_SIZE(devices));
328
329 spi_register_board_info(palmz71_boardinfo,
330 ARRAY_SIZE(palmz71_boardinfo));
dd0cdd88 331 omap1_usb_init(&palmz71_usb_config);
ec70e8af 332 omap_serial_init();
1ed16a86 333 omap_register_i2c_bus(1, 100, NULL, 0);
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334 palmz71_gpio_setup(0);
335}
336
337static void __init
338omap_palmz71_map_io(void)
339{
340 omap1_map_common_io();
341}
342
343MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
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344 .boot_params = 0x10000100,
345 .map_io = omap_palmz71_map_io,
346 .reserve = omap_reserve,
347 .init_irq = omap_palmz71_init_irq,
348 .init_machine = omap_palmz71_init,
e74984e4 349 .timer = &omap1_timer,
ec70e8af 350MACHINE_END
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