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Marek Vasut5d783a22009-07-16 13:26:48 +02001/*
2 * linux/arch/arm/mach-pxa/palmtc.c
3 *
4 * Support for the Palm Tungsten|C
5 *
6 * Author: Marek Vasut <marek.vasut@gmail.com>
7 *
8 * Based on work of:
9 * Petr Blaha <p3t3@centrum.cz>
10 * Chetan S. Kumar <shivakumar.chetan@gmail.com>
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/platform_device.h>
18#include <linux/delay.h>
19#include <linux/irq.h>
20#include <linux/input.h>
21#include <linux/pwm_backlight.h>
22#include <linux/gpio.h>
23#include <linux/input/matrix_keypad.h>
24#include <linux/ucb1400.h>
25#include <linux/power_supply.h>
26#include <linux/gpio_keys.h>
27#include <linux/mtd/physmap.h>
28
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32
33#include <mach/audio.h>
34#include <mach/palmtc.h>
35#include <mach/mmc.h>
36#include <mach/pxafb.h>
37#include <mach/mfp-pxa25x.h>
38#include <mach/irda.h>
39#include <mach/udc.h>
40#include <mach/pxa2xx-regs.h>
41
42#include "generic.h"
43#include "devices.h"
44
45/******************************************************************************
46 * Pin configuration
47 ******************************************************************************/
48static unsigned long palmtc_pin_config[] __initdata = {
49 /* MMC */
50 GPIO6_MMC_CLK,
51 GPIO8_MMC_CS0,
52 GPIO12_GPIO, /* detect */
53 GPIO32_GPIO, /* power */
54 GPIO54_GPIO, /* r/o switch */
55
56 /* PCMCIA */
57 GPIO52_nPCE_1,
58 GPIO53_nPCE_2,
59 GPIO50_nPIOR,
60 GPIO51_nPIOW,
61 GPIO49_nPWE,
62 GPIO48_nPOE,
63 GPIO52_nPCE_1,
64 GPIO53_nPCE_2,
65 GPIO57_nIOIS16,
66 GPIO56_nPWAIT,
67
68 /* AC97 */
69 GPIO28_AC97_BITCLK,
70 GPIO29_AC97_SDATA_IN_0,
71 GPIO30_AC97_SDATA_OUT,
72 GPIO31_AC97_SYNC,
73
74 /* IrDA */
75 GPIO45_GPIO, /* ir disable */
76 GPIO46_FICP_RXD,
77 GPIO47_FICP_TXD,
78
79 /* PWM */
80 GPIO17_PWM1_OUT,
81
82 /* USB */
83 GPIO4_GPIO, /* detect */
84 GPIO36_GPIO, /* pullup */
85
86 /* LCD */
Eric Miao07bae6c2010-01-04 11:25:10 +080087 GPIOxx_LCD_TFT_16BPP,
Marek Vasut5d783a22009-07-16 13:26:48 +020088
89 /* MATRIX KEYPAD */
90 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
91 GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
92 GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
93 GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
94 GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
95 GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
96 GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
97 GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
98 GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
99 GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
100 GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
101 GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
102 GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
103 GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
104 GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
105 GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
106
107 /* PXA GPIO KEYS */
108 GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
109
110 /* MISC */
111 GPIO1_RST, /* reset */
112 GPIO2_GPIO, /* earphone detect */
113 GPIO16_GPIO, /* backlight switch */
114};
115
116/******************************************************************************
117 * SD/MMC card controller
118 ******************************************************************************/
119static struct pxamci_platform_data palmtc_mci_platform_data = {
120 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
121 .gpio_power = GPIO_NR_PALMTC_SD_POWER,
122 .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY,
123 .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N,
Eric Miaof97cab22010-04-14 07:00:42 +0800124 .detect_delay_ms = 200,
Marek Vasut5d783a22009-07-16 13:26:48 +0200125};
126
127/******************************************************************************
128 * GPIO keys
129 ******************************************************************************/
130static struct gpio_keys_button palmtc_pxa_buttons[] = {
131 {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
132};
133
134static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
135 .buttons = palmtc_pxa_buttons,
136 .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
137};
138
139static struct platform_device palmtc_pxa_keys = {
140 .name = "gpio-keys",
141 .id = -1,
142 .dev = {
143 .platform_data = &palmtc_pxa_keys_data,
144 },
145};
146
147/******************************************************************************
148 * Backlight
149 ******************************************************************************/
150static int palmtc_backlight_init(struct device *dev)
151{
152 int ret;
153
154 ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");
155 if (ret)
156 goto err;
157 ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);
158 if (ret)
159 goto err2;
160
161 return 0;
162
163err2:
164 gpio_free(GPIO_NR_PALMTC_BL_POWER);
165err:
166 return ret;
167}
168
Eric Miao2d51a522010-01-04 11:42:01 +0800169static int palmtc_backlight_notify(struct device *dev, int brightness)
Marek Vasut5d783a22009-07-16 13:26:48 +0200170{
171 /* backlight is on when GPIO16 AF0 is high */
172 gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
173 return brightness;
174}
175
176static void palmtc_backlight_exit(struct device *dev)
177{
178 gpio_free(GPIO_NR_PALMTC_BL_POWER);
179}
180
181static struct platform_pwm_backlight_data palmtc_backlight_data = {
182 .pwm_id = 1,
183 .max_brightness = PALMTC_MAX_INTENSITY,
184 .dft_brightness = PALMTC_MAX_INTENSITY,
185 .pwm_period_ns = PALMTC_PERIOD_NS,
186 .init = palmtc_backlight_init,
187 .notify = palmtc_backlight_notify,
188 .exit = palmtc_backlight_exit,
189};
190
191static struct platform_device palmtc_backlight = {
192 .name = "pwm-backlight",
193 .dev = {
194 .parent = &pxa25x_device_pwm1.dev,
195 .platform_data = &palmtc_backlight_data,
196 },
197};
198
199/******************************************************************************
200 * IrDA
201 ******************************************************************************/
Marek Vasut5d783a22009-07-16 13:26:48 +0200202static struct pxaficp_platform_data palmtc_ficp_platform_data = {
Marek Vasutc4bd0172009-07-17 12:50:43 +0200203 .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
204 .transceiver_cap = IR_SIRMODE | IR_OFF,
Marek Vasut5d783a22009-07-16 13:26:48 +0200205};
206
207/******************************************************************************
208 * Keyboard
209 ******************************************************************************/
210static const uint32_t palmtc_matrix_keys[] = {
211 KEY(0, 0, KEY_F1),
212 KEY(0, 1, KEY_X),
213 KEY(0, 2, KEY_POWER),
214 KEY(0, 3, KEY_TAB),
215 KEY(0, 4, KEY_A),
216 KEY(0, 5, KEY_Q),
217 KEY(0, 6, KEY_LEFTSHIFT),
218 KEY(0, 7, KEY_Z),
219 KEY(0, 8, KEY_S),
220 KEY(0, 9, KEY_W),
221 KEY(0, 10, KEY_E),
222 KEY(0, 11, KEY_UP),
223
224 KEY(1, 0, KEY_F2),
225 KEY(1, 1, KEY_DOWN),
226 KEY(1, 3, KEY_D),
227 KEY(1, 4, KEY_C),
228 KEY(1, 5, KEY_F),
229 KEY(1, 6, KEY_R),
230 KEY(1, 7, KEY_SPACE),
231 KEY(1, 8, KEY_V),
232 KEY(1, 9, KEY_G),
233 KEY(1, 10, KEY_T),
234 KEY(1, 11, KEY_LEFT),
235
236 KEY(2, 0, KEY_F3),
237 KEY(2, 1, KEY_LEFTCTRL),
238 KEY(2, 3, KEY_H),
239 KEY(2, 4, KEY_Y),
240 KEY(2, 5, KEY_N),
241 KEY(2, 6, KEY_J),
242 KEY(2, 7, KEY_U),
243 KEY(2, 8, KEY_M),
244 KEY(2, 9, KEY_K),
245 KEY(2, 10, KEY_I),
246 KEY(2, 11, KEY_RIGHT),
247
248 KEY(3, 0, KEY_F4),
249 KEY(3, 1, KEY_ENTER),
250 KEY(3, 3, KEY_DOT),
251 KEY(3, 4, KEY_L),
252 KEY(3, 5, KEY_O),
253 KEY(3, 6, KEY_LEFTALT),
254 KEY(3, 7, KEY_ENTER),
255 KEY(3, 8, KEY_BACKSPACE),
256 KEY(3, 9, KEY_P),
257 KEY(3, 10, KEY_B),
258 KEY(3, 11, KEY_FN),
259};
260
261const struct matrix_keymap_data palmtc_keymap_data = {
262 .keymap = palmtc_matrix_keys,
263 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
264};
265
266const static unsigned int palmtc_keypad_row_gpios[] = {
267 0, 9, 10, 11
268};
269
270const static unsigned int palmtc_keypad_col_gpios[] = {
271 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
272};
273
274static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
275 .keymap_data = &palmtc_keymap_data,
Ondrej Zajicek902805d2009-10-26 23:59:30 +0100276 .row_gpios = palmtc_keypad_row_gpios,
277 .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
278 .col_gpios = palmtc_keypad_col_gpios,
279 .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
Marek Vasut5d783a22009-07-16 13:26:48 +0200280 .active_low = 1,
281
282 .debounce_ms = 20,
283 .col_scan_delay_us = 5,
284};
285
286static struct platform_device palmtc_keyboard = {
287 .name = "matrix-keypad",
288 .id = -1,
289 .dev = {
290 .platform_data = &palmtc_keypad_platform_data,
291 },
292};
293
294/******************************************************************************
295 * UDC
296 ******************************************************************************/
297static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {
298 .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
299 .gpio_vbus_inverted = 1,
300 .gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
301};
302
303/******************************************************************************
304 * Touchscreen / Battery / GPIO-extender
305 ******************************************************************************/
306static struct platform_device palmtc_ucb1400_core = {
307 .name = "ucb1400_core",
308 .id = -1,
309};
310
311/******************************************************************************
312 * NOR Flash
313 ******************************************************************************/
314static struct resource palmtc_flash_resource = {
315 .start = PXA_CS0_PHYS,
316 .end = PXA_CS0_PHYS + SZ_16M - 1,
317 .flags = IORESOURCE_MEM,
318};
319
320static struct mtd_partition palmtc_flash_parts[] = {
321 {
322 .name = "U-Boot Bootloader",
323 .offset = 0x0,
324 .size = 0x40000,
325 },
326 {
327 .name = "Linux Kernel",
328 .offset = 0x40000,
329 .size = 0x2c0000,
330 },
331 {
332 .name = "Filesystem",
333 .offset = 0x300000,
334 .size = 0xcc0000,
335 },
336 {
337 .name = "U-Boot Environment",
338 .offset = 0xfc0000,
339 .size = MTDPART_SIZ_FULL,
340 },
341};
342
343static struct physmap_flash_data palmtc_flash_data = {
344 .width = 4,
345 .parts = palmtc_flash_parts,
346 .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
347};
348
349static struct platform_device palmtc_flash = {
350 .name = "physmap-flash",
351 .id = -1,
352 .resource = &palmtc_flash_resource,
353 .num_resources = 1,
354 .dev = {
355 .platform_data = &palmtc_flash_data,
356 },
357};
358
359/******************************************************************************
360 * Framebuffer
361 ******************************************************************************/
362static struct pxafb_mode_info palmtc_lcd_modes[] = {
363{
364 .pixclock = 115384,
365 .xres = 320,
366 .yres = 320,
367 .bpp = 16,
368
369 .left_margin = 27,
370 .right_margin = 7,
371 .upper_margin = 7,
372 .lower_margin = 8,
373
374 .hsync_len = 6,
375 .vsync_len = 1,
376},
377};
378
379static struct pxafb_mach_info palmtc_lcd_screen = {
380 .modes = palmtc_lcd_modes,
381 .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
382 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
383};
384
385/******************************************************************************
386 * Machine init
387 ******************************************************************************/
388static struct platform_device *devices[] __initdata = {
389 &palmtc_backlight,
390 &palmtc_ucb1400_core,
391 &palmtc_keyboard,
392 &palmtc_pxa_keys,
393 &palmtc_flash,
394};
395
396static void __init palmtc_init(void)
397{
398 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
399
Russell Kingcc155c62009-11-09 13:34:08 +0800400 pxa_set_ffuart_info(NULL);
401 pxa_set_btuart_info(NULL);
402 pxa_set_stuart_info(NULL);
403 pxa_set_hwuart_info(NULL);
404
Marek Vasut5d783a22009-07-16 13:26:48 +0200405 set_pxa_fb_info(&palmtc_lcd_screen);
406 pxa_set_mci_info(&palmtc_mci_platform_data);
407 pxa_set_udc_info(&palmtc_udc_info);
408 pxa_set_ac97_info(NULL);
409 pxa_set_ficp_info(&palmtc_ficp_platform_data);
410
411 platform_add_devices(devices, ARRAY_SIZE(devices));
412};
413
414MACHINE_START(PALMTC, "Palm Tungsten|C")
415 .phys_io = 0x40000000,
416 .boot_params = 0xa0000100,
417 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
418 .map_io = pxa_map_io,
419 .init_irq = pxa25x_init_irq,
420 .timer = &pxa_timer,
421 .init_machine = palmtc_init
422MACHINE_END