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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/gpio.h>
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/platform_device.h>
22#include <linux/notifier.h>
23#include <linux/clk.h>
24#include <linux/irq.h>
25#include <linux/input.h>
26#include <linux/interrupt.h>
27#include <linux/mtd/mtd.h>
28#include <linux/mtd/partitions.h>
29#include <linux/mtd/physmap.h>
30#include <linux/omapfb.h>
31#include <linux/spi/spi.h>
32#include <linux/spi/ads7846.h>
33#include <linux/platform_data/omap1_bl.h>
34
35#include <asm/mach-types.h>
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38
39#include <mach/flash.h>
40#include <mach/mux.h>
41#include <linux/omap-dma.h>
42#include <mach/tc.h>
43#include <linux/platform_data/keypad-omap.h>
44
45#include <mach/hardware.h>
46#include <mach/usb.h>
47
48#include "common.h"
49
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
60static const unsigned int palmz71_keymap[] = {
61 KEY(0, 0, KEY_F1),
62 KEY(1, 0, KEY_F2),
63 KEY(2, 0, KEY_F3),
64 KEY(3, 0, KEY_F4),
65 KEY(4, 0, KEY_POWER),
66 KEY(0, 1, KEY_LEFT),
67 KEY(1, 1, KEY_DOWN),
68 KEY(2, 1, KEY_UP),
69 KEY(3, 1, KEY_RIGHT),
70 KEY(4, 1, KEY_ENTER),
71 KEY(0, 2, KEY_CAMERA),
72};
73
74static const struct matrix_keymap_data palmz71_keymap_data = {
75 .keymap = palmz71_keymap,
76 .keymap_size = ARRAY_SIZE(palmz71_keymap),
77};
78
79static struct omap_kp_platform_data palmz71_kp_data = {
80 .rows = 8,
81 .cols = 8,
82 .keymap_data = &palmz71_keymap_data,
83 .rep = true,
84 .delay = 80,
85};
86
87static struct resource palmz71_kp_resources[] = {
88 [0] = {
89 .start = INT_KEYBOARD,
90 .end = INT_KEYBOARD,
91 .flags = IORESOURCE_IRQ,
92 },
93};
94
95static struct platform_device palmz71_kp_device = {
96 .name = "omap-keypad",
97 .id = -1,
98 .dev = {
99 .platform_data = &palmz71_kp_data,
100 },
101 .num_resources = ARRAY_SIZE(palmz71_kp_resources),
102 .resource = palmz71_kp_resources,
103};
104
105static struct mtd_partition palmz71_rom_partitions[] = {
106 /* PalmOS "Small ROM", contains the bootloader and the debugger */
107 {
108 .name = "smallrom",
109 .offset = 0,
110 .size = 0xa000,
111 .mask_flags = MTD_WRITEABLE,
112 },
113 /* PalmOS "Big ROM", a filesystem with all the OS code and data */
114 {
115 .name = "bigrom",
116 .offset = SZ_128K,
117 /*
118 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
119 * 0x7b0000 bytes in the English-only ("enUS") version.
120 */
121 .size = 0x7b0000,
122 .mask_flags = MTD_WRITEABLE,
123 },
124};
125
126static struct physmap_flash_data palmz71_rom_data = {
127 .width = 2,
128 .set_vpp = omap1_set_vpp,
129 .parts = palmz71_rom_partitions,
130 .nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
131};
132
133static struct resource palmz71_rom_resource = {
134 .start = OMAP_CS0_PHYS,
135 .end = OMAP_CS0_PHYS + SZ_8M - 1,
136 .flags = IORESOURCE_MEM,
137};
138
139static struct platform_device palmz71_rom_device = {
140 .name = "physmap-flash",
141 .id = -1,
142 .dev = {
143 .platform_data = &palmz71_rom_data,
144 },
145 .num_resources = 1,
146 .resource = &palmz71_rom_resource,
147};
148
149static struct platform_device palmz71_lcd_device = {
150 .name = "lcd_palmz71",
151 .id = -1,
152};
153
154static struct platform_device palmz71_spi_device = {
155 .name = "spi_palmz71",
156 .id = -1,
157};
158
159static struct omap_backlight_config palmz71_backlight_config = {
160 .default_intensity = 0xa0,
161};
162
163static struct platform_device palmz71_backlight_device = {
164 .name = "omap-bl",
165 .id = -1,
166 .dev = {
167 .platform_data = &palmz71_backlight_config,
168 },
169};
170
171static struct platform_device *devices[] __initdata = {
172 &palmz71_rom_device,
173 &palmz71_kp_device,
174 &palmz71_lcd_device,
175 &palmz71_spi_device,
176 &palmz71_backlight_device,
177};
178
179static int
180palmz71_get_pendown_state(void)
181{
182 return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
183}
184
185static const struct ads7846_platform_data palmz71_ts_info = {
186 .model = 7846,
187 .vref_delay_usecs = 100, /* internal, no capacitor */
188 .x_plate_ohms = 419,
189 .y_plate_ohms = 486,
190 .get_pendown_state = palmz71_get_pendown_state,
191};
192
193static struct spi_board_info __initdata palmz71_boardinfo[] = { {
194 /* MicroWire (bus 2) CS0 has an ads7846e */
195 .modalias = "ads7846",
196 .platform_data = &palmz71_ts_info,
197 .max_speed_hz = 120000 /* max sample rate at 3V */
198 * 26 /* command + data + overhead */,
199 .bus_num = 2,
200 .chip_select = 0,
201} };
202
203static struct omap_usb_config palmz71_usb_config __initdata = {
204 .register_dev = 1, /* Mini-B only receptacle */
205 .hmc_mode = 0,
206 .pins[0] = 2,
207};
208
209static struct omap_lcd_config palmz71_lcd_config __initdata = {
210 .ctrl_name = "internal",
211};
212
213static irqreturn_t
214palmz71_powercable(int irq, void *dev_id)
215{
216 if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
217 printk(KERN_INFO "PM: Power cable connected\n");
218 irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
219 IRQ_TYPE_EDGE_FALLING);
220 } else {
221 printk(KERN_INFO "PM: Power cable disconnected\n");
222 irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
223 IRQ_TYPE_EDGE_RISING);
224 }
225 return IRQ_HANDLED;
226}
227
228static void __init
229omap_mpu_wdt_mode(int mode)
230{
231 if (mode)
232 omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
233 else {
234 omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
235 omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
236 }
237}
238
239static void __init
240palmz71_gpio_setup(int early)
241{
242 if (early) {
243 /* Only set GPIO1 so we have a working serial */
244 gpio_direction_output(1, 1);
245 } else {
246 /* Set MMC/SD host WP pin as input */
247 if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
248 printk(KERN_ERR "Could not reserve WP GPIO!\n");
249 return;
250 }
251 gpio_direction_input(PALMZ71_MMC_WP_GPIO);
252
253 /* Monitor the Power-cable-connected signal */
254 if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
255 printk(KERN_ERR
256 "Could not reserve cable signal GPIO!\n");
257 return;
258 }
259 gpio_direction_input(PALMZ71_USBDETECT_GPIO);
260 if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
261 palmz71_powercable, 0, "palmz71-cable", NULL))
262 printk(KERN_ERR
263 "IRQ request for power cable failed!\n");
264 palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL);
265 }
266}
267
268static void __init
269omap_palmz71_init(void)
270{
271 /* mux pins for uarts */
272 omap_cfg_reg(UART1_TX);
273 omap_cfg_reg(UART1_RTS);
274 omap_cfg_reg(UART2_TX);
275 omap_cfg_reg(UART2_RTS);
276 omap_cfg_reg(UART3_TX);
277 omap_cfg_reg(UART3_RX);
278
279 palmz71_gpio_setup(1);
280 omap_mpu_wdt_mode(0);
281
282 platform_add_devices(devices, ARRAY_SIZE(devices));
283
284 palmz71_boardinfo[0].irq = gpio_to_irq(PALMZ71_PENIRQ_GPIO);
285 spi_register_board_info(palmz71_boardinfo,
286 ARRAY_SIZE(palmz71_boardinfo));
287 omap1_usb_init(&palmz71_usb_config);
288 omap_serial_init();
289 omap_register_i2c_bus(1, 100, NULL, 0);
290 palmz71_gpio_setup(0);
291
292 omapfb_set_lcd_config(&palmz71_lcd_config);
293}
294
295MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
296 .atag_offset = 0x100,
297 .map_io = omap15xx_map_io,
298 .init_early = omap1_init_early,
299 .init_irq = omap1_init_irq,
300 .init_machine = omap_palmz71_init,
301 .init_late = omap1_init_late,
302 .init_time = omap1_timer_init,
303 .restart = omap1_restart,
304MACHINE_END
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>
28#include <linux/mtd/physmap.h>
29
30#include <mach/hardware.h>
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/map.h>
34
35#include <mach/gpio.h>
36#include <plat/flash.h>
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>
46
47#include <linux/spi/spi.h>
48#include <linux/spi/ads7846.h>
49
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
60static void __init
61omap_palmz71_init_irq(void)
62{
63 omap1_init_common_hw();
64 omap1_init_irq();
65}
66
67static const unsigned int palmz71_keymap[] = {
68 KEY(0, 0, KEY_F1),
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),
74 KEY(1, 1, KEY_DOWN),
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),
84};
85
86static struct omap_kp_platform_data palmz71_kp_data = {
87 .rows = 8,
88 .cols = 8,
89 .keymap_data = &palmz71_keymap_data,
90 .rep = true,
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
133static struct physmap_flash_data palmz71_rom_data = {
134 .width = 2,
135 .set_vpp = omap1_set_vpp,
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 = {
147 .name = "physmap-flash",
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
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,
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{
218 return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
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
246static struct omap_lcd_config palmz71_lcd_config __initdata = {
247 .ctrl_name = "internal",
248};
249
250static struct omap_board_config_kernel palmz71_config[] __initdata = {
251 {OMAP_TAG_LCD, &palmz71_lcd_config},
252};
253
254static irqreturn_t
255palmz71_powercable(int irq, void *dev_id)
256{
257 if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
258 printk(KERN_INFO "PM: Power cable connected\n");
259 irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
260 IRQ_TYPE_EDGE_FALLING);
261 } else {
262 printk(KERN_INFO "PM: Power cable disconnected\n");
263 irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
264 IRQ_TYPE_EDGE_RISING);
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 */
285 gpio_direction_output(1, 1);
286 } else {
287 /* Set MMC/SD host WP pin as input */
288 if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
289 printk(KERN_ERR "Could not reserve WP GPIO!\n");
290 return;
291 }
292 gpio_direction_input(PALMZ71_MMC_WP_GPIO);
293
294 /* Monitor the Power-cable-connected signal */
295 if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
296 printk(KERN_ERR
297 "Could not reserve cable signal GPIO!\n");
298 return;
299 }
300 gpio_direction_input(PALMZ71_USBDETECT_GPIO);
301 if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
302 palmz71_powercable, IRQF_SAMPLE_RANDOM,
303 "palmz71-cable", 0))
304 printk(KERN_ERR
305 "IRQ request for power cable failed!\n");
306 palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
307 }
308}
309
310static void __init
311omap_palmz71_init(void)
312{
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
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));
331 omap1_usb_init(&palmz71_usb_config);
332 omap_serial_init();
333 omap_register_i2c_bus(1, 100, NULL, 0);
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")
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,
349 .timer = &omap1_timer,
350MACHINE_END