projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[ARM] pxa/corgi: update default config to exclude tosa from being built
[deliverable/linux.git] / arch / arm / mach-pxa / palmtx.c
CommitLineData
b5e4ad57
MV		 1/*
2 * Hardware definitions for PalmTX
3 *
4 * Author: Marek Vasut <marek.vasut@gmail.com>
5 *
6 * Based on work of:
7 * Alex Osborne <ato@meshy.org>
8 * Cristiano P. <cristianop@users.sourceforge.net>
9 * Jan Herman <2hp@seznam.cz>
10 * Michal Hrusecky
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 * (find more info at www.hackndev.com)
17 *
18 */
19
20#include <linux/platform_device.h>
21#include <linux/delay.h>
22#include <linux/irq.h>
23#include <linux/gpio_keys.h>
24#include <linux/input.h>
d4b19c42 25#include <linux/pda_power.h>
b5e4ad57
MV		 26#include <linux/pwm_backlight.h>
27#include <linux/gpio.h>
4e9687d9
MV		 28#include <linux/wm97xx_batt.h>
29#include <linux/power_supply.h>
b5e4ad57
MV		 30
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/map.h>
34
a09e64fb
RK		 35#include <mach/audio.h>
36#include <mach/palmtx.h>
37#include <mach/mmc.h>
38#include <mach/pxafb.h>
39#include <mach/pxa-regs.h>
40#include <mach/mfp-pxa27x.h>
41#include <mach/irda.h>
42#include <mach/pxa27x_keypad.h>
43#include <mach/udc.h>
b5e4ad57
MV		 44
45#include "generic.h"
46#include "devices.h"
47
48/******************************************************************************
49 * Pin configuration
50 ******************************************************************************/
51static unsigned long palmtx_pin_config[] __initdata = {
52 /* MMC */
53 GPIO32_MMC_CLK,
54 GPIO92_MMC_DAT_0,
55 GPIO109_MMC_DAT_1,
56 GPIO110_MMC_DAT_2,
57 GPIO111_MMC_DAT_3,
58 GPIO112_MMC_CMD,
59
60 /* AC97 */
61 GPIO28_AC97_BITCLK,
62 GPIO29_AC97_SDATA_IN_0,
63 GPIO30_AC97_SDATA_OUT,
64 GPIO31_AC97_SYNC,
65
66 /* IrDA */
67 GPIO46_FICP_RXD,
68 GPIO47_FICP_TXD,
69
70 /* PWM */
71 GPIO16_PWM0_OUT,
72
73 /* USB */
74 GPIO13_GPIO,
35978408
MV		 75
76 /* PCMCIA */
77 GPIO48_nPOE,
78 GPIO49_nPWE,
79 GPIO50_nPIOR,
80 GPIO51_nPIOW,
81 GPIO85_nPCE_1,
82 GPIO54_nPCE_2,
83 GPIO79_PSKTSEL,
84 GPIO55_nPREG,
85 GPIO56_nPWAIT,
86 GPIO57_nIOIS16,
b5e4ad57
MV		 87};
88
89/******************************************************************************
90 * SD/MMC card controller
91 ******************************************************************************/
92static int palmtx_mci_init(struct device *dev, irq_handler_t palmtx_detect_int,
93 void *data)
94{
95 int err = 0;
96
97 /* Setup an interrupt for detecting card insert/remove events */
98 err = request_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, palmtx_detect_int,
99 IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
100 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
101 "SD/MMC card detect", data);
102 if (err) {
103 printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
104 __func__);
105 return err;
106 }
107
108 err = gpio_request(GPIO_NR_PALMTX_SD_POWER, "SD_POWER");
109 if (err)
110 goto pwr_err;
111
112 err = gpio_request(GPIO_NR_PALMTX_SD_READONLY, "SD_READONLY");
113 if (err)
114 goto ro_err;
115
116 printk(KERN_DEBUG "%s: irq registered\n", __func__);
117
118 return 0;
119
120ro_err:
121 gpio_free(GPIO_NR_PALMTX_SD_POWER);
122pwr_err:
123 free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data);
124 return err;
125}
126
127static void palmtx_mci_exit(struct device *dev, void *data)
128{
129 gpio_free(GPIO_NR_PALMTX_SD_READONLY);
130 gpio_free(GPIO_NR_PALMTX_SD_POWER);
131 free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data);
132}
133
134static void palmtx_mci_power(struct device *dev, unsigned int vdd)
135{
136 struct pxamci_platform_data *p_d = dev->platform_data;
137 gpio_set_value(GPIO_NR_PALMTX_SD_POWER, p_d->ocr_mask & (1 << vdd));
138}
139
140static int palmtx_mci_get_ro(struct device *dev)
141{
142 return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY);
143}
144
145static struct pxamci_platform_data palmtx_mci_platform_data = {
146 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
147 .setpower = palmtx_mci_power,
148 .get_ro = palmtx_mci_get_ro,
149 .init = palmtx_mci_init,
150 .exit = palmtx_mci_exit,
151};
152
153/******************************************************************************
154 * GPIO keyboard
155 ******************************************************************************/
156static unsigned int palmtx_matrix_keys[] = {
157 KEY(0, 0, KEY_POWER),
158 KEY(0, 1, KEY_F1),
159 KEY(0, 2, KEY_ENTER),
160
161 KEY(1, 0, KEY_F2),
162 KEY(1, 1, KEY_F3),
163 KEY(1, 2, KEY_F4),
164
165 KEY(2, 0, KEY_UP),
166 KEY(2, 2, KEY_DOWN),
167
168 KEY(3, 0, KEY_RIGHT),
169 KEY(3, 2, KEY_LEFT),
170
171};
172
173static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
174 .matrix_key_rows = 4,
175 .matrix_key_cols = 3,
176 .matrix_key_map = palmtx_matrix_keys,
177 .matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys),
178
179 .debounce_interval = 30,
180};
181
182/******************************************************************************
183 * GPIO keys
184 ******************************************************************************/
185static struct gpio_keys_button palmtx_pxa_buttons[] = {
186 {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
187};
188
189static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
190 .buttons = palmtx_pxa_buttons,
191 .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
192};
193
194static struct platform_device palmtx_pxa_keys = {
195 .name = "gpio-keys",
196 .id = -1,
197 .dev = {
198 .platform_data = &palmtx_pxa_keys_data,
199 },
200};
201
202/******************************************************************************
203 * Backlight
204 ******************************************************************************/
205static int palmtx_backlight_init(struct device *dev)
206{
207 int ret;
208
209 ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER");
210 if (ret)
211 goto err;
212 ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER");
213 if (ret)
214 goto err2;
215
216 return 0;
217err2:
218 gpio_free(GPIO_NR_PALMTX_BL_POWER);
219err:
220 return ret;
221}
222
223static int palmtx_backlight_notify(int brightness)
224{
225 gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
226 gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
227 return brightness;
228}
229
230static void palmtx_backlight_exit(struct device *dev)
231{
232 gpio_free(GPIO_NR_PALMTX_BL_POWER);
233 gpio_free(GPIO_NR_PALMTX_LCD_POWER);
234}
235
236static struct platform_pwm_backlight_data palmtx_backlight_data = {
237 .pwm_id = 0,
238 .max_brightness = PALMTX_MAX_INTENSITY,
239 .dft_brightness = PALMTX_MAX_INTENSITY,
240 .pwm_period_ns = PALMTX_PERIOD_NS,
241 .init = palmtx_backlight_init,
242 .notify = palmtx_backlight_notify,
243 .exit = palmtx_backlight_exit,
244};
245
246static struct platform_device palmtx_backlight = {
247 .name = "pwm-backlight",
248 .dev = {
249 .parent = &pxa27x_device_pwm0.dev,
250 .platform_data = &palmtx_backlight_data,
251 },
252};
253
254/******************************************************************************
255 * IrDA
256 ******************************************************************************/
257static void palmtx_irda_transceiver_mode(struct device *dev, int mode)
258{
259 gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF);
260 pxa2xx_transceiver_mode(dev, mode);
261}
262
263static struct pxaficp_platform_data palmtx_ficp_platform_data = {
264 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
265 .transceiver_mode = palmtx_irda_transceiver_mode,
266};
267
268/******************************************************************************
269 * UDC
270 ******************************************************************************/
271static void palmtx_udc_command(int cmd)
272{
273 gpio_set_value(GPIO_NR_PALMTX_USB_POWER, !cmd);
274 udelay(50);
275 gpio_set_value(GPIO_NR_PALMTX_USB_PULLUP, !cmd);
276}
277
278static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata = {
279 .gpio_vbus = GPIO_NR_PALMTX_USB_DETECT_N,
280 .gpio_vbus_inverted = 1,
281 .udc_command = palmtx_udc_command,
282};
283
d4b19c42
MV		 284/******************************************************************************
285 * Power supply
286 ******************************************************************************/
287static int power_supply_init(struct device *dev)
288{
289 int ret;
290
291 ret = gpio_request(GPIO_NR_PALMTX_POWER_DETECT, "CABLE_STATE_AC");
292 if (ret)
293 goto err_cs_ac;
294
295 ret = gpio_request(GPIO_NR_PALMTX_USB_DETECT_N, "CABLE_STATE_USB");
296 if (ret)
297 goto err_cs_usb;
298
299 return 0;
300
301err_cs_usb:
302 gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
303err_cs_ac:
304 return ret;
305}
306
307static int palmtx_is_ac_online(void)
308{
309 return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT);
310}
311
312static int palmtx_is_usb_online(void)
313{
314 return !gpio_get_value(GPIO_NR_PALMTX_USB_DETECT_N);
315}
316
317static void power_supply_exit(struct device *dev)
318{
319 gpio_free(GPIO_NR_PALMTX_USB_DETECT_N);
320 gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
321}
322
323static char *palmtx_supplicants[] = {
324 "main-battery",
325};
326
327static struct pda_power_pdata power_supply_info = {
328 .init = power_supply_init,
329 .is_ac_online = palmtx_is_ac_online,
330 .is_usb_online = palmtx_is_usb_online,
331 .exit = power_supply_exit,
332 .supplied_to = palmtx_supplicants,
333 .num_supplicants = ARRAY_SIZE(palmtx_supplicants),
334};
335
336static struct platform_device power_supply = {
337 .name = "pda-power",
338 .id = -1,
339 .dev = {
340 .platform_data = &power_supply_info,
341 },
342};
343
4e9687d9
MV		 344/******************************************************************************
345 * WM97xx battery
346 ******************************************************************************/
347static struct wm97xx_batt_info wm97xx_batt_pdata = {
348 .batt_aux = WM97XX_AUX_ID3,
349 .temp_aux = WM97XX_AUX_ID2,
350 .charge_gpio = -1,
351 .max_voltage = PALMTX_BAT_MAX_VOLTAGE,
352 .min_voltage = PALMTX_BAT_MIN_VOLTAGE,
353 .batt_mult = 1000,
354 .batt_div = 414,
355 .temp_mult = 1,
356 .temp_div = 1,
357 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
358 .batt_name = "main-batt",
359};
360
b5e4ad57
MV		 361/******************************************************************************
362 * Framebuffer
363 ******************************************************************************/
364static struct pxafb_mode_info palmtx_lcd_modes[] = {
365{
366 .pixclock = 57692,
367 .xres = 320,
368 .yres = 480,
369 .bpp = 16,
370
371 .left_margin = 32,
372 .right_margin = 1,
373 .upper_margin = 7,
374 .lower_margin = 1,
375
376 .hsync_len = 4,
377 .vsync_len = 1,
378},
379};
380
381static struct pxafb_mach_info palmtx_lcd_screen = {
382 .modes = palmtx_lcd_modes,
383 .num_modes = ARRAY_SIZE(palmtx_lcd_modes),
384 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
385};
386
387/******************************************************************************
388 * Machine init
389 ******************************************************************************/
390static struct platform_device *devices[] __initdata = {
391#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
392 &palmtx_pxa_keys,
393#endif
394 &palmtx_backlight,
d4b19c42 395 &power_supply,
b5e4ad57
MV		 396};
397
398static struct map_desc palmtx_io_desc[] __initdata = {
399{
400 .virtual = PALMTX_PCMCIA_VIRT,
401 .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
402 .length = PALMTX_PCMCIA_SIZE,
403 .type = MT_DEVICE
404},
405};
406
407static void __init palmtx_map_io(void)
408{
409 pxa_map_io();
410 iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
411}
412
413static void __init palmtx_init(void)
414{
415 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
416
417 set_pxa_fb_info(&palmtx_lcd_screen);
418 pxa_set_mci_info(&palmtx_mci_platform_data);
419 pxa_set_udc_info(&palmtx_udc_info);
420 pxa_set_ac97_info(NULL);
421 pxa_set_ficp_info(&palmtx_ficp_platform_data);
422 pxa_set_keypad_info(&palmtx_keypad_platform_data);
4e9687d9 423 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
b5e4ad57
MV		 424
425 platform_add_devices(devices, ARRAY_SIZE(devices));
426}
427
428MACHINE_START(PALMTX, "Palm T|X")
429 .phys_io = PALMTX_PHYS_IO_START,
430 .io_pg_offst = io_p2v(0x40000000),
431 .boot_params = 0xa0000100,
432 .map_io = palmtx_map_io,
433 .init_irq = pxa27x_init_irq,
434 .timer = &pxa_timer,
435 .init_machine = palmtx_init
436MACHINE_END
Linux kernel - Deliverables
This page took 0.066965 seconds and 5 git commands to generate.