2 * linux/arch/arm/mach-pxa/palmtc.c
4 * Support for the Palm Tungsten|C
6 * Author: Marek Vasut <marek.vasut@gmail.com>
9 * Petr Blaha <p3t3@centrum.cz>
10 * Chetan S. Kumar <shivakumar.chetan@gmail.com>
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.
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>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
33 #include <mach/audio.h>
34 #include <mach/palmtc.h>
36 #include <mach/pxafb.h>
37 #include <mach/mfp-pxa25x.h>
38 #include <mach/irda.h>
40 #include <mach/pxa2xx-regs.h>
45 /******************************************************************************
47 ******************************************************************************/
48 static unsigned long palmtc_pin_config
[] __initdata
= {
52 GPIO12_GPIO
, /* detect */
53 GPIO32_GPIO
, /* power */
54 GPIO54_GPIO
, /* r/o switch */
70 GPIO29_AC97_SDATA_IN_0
,
71 GPIO30_AC97_SDATA_OUT
,
75 GPIO45_GPIO
, /* ir disable */
83 GPIO4_GPIO
, /* detect */
84 GPIO36_GPIO
, /* pullup */
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 */
108 GPIO7_GPIO
| WAKEUP_ON_EDGE_BOTH
, /* hotsync button on cradle */
111 GPIO1_RST
, /* reset */
112 GPIO2_GPIO
, /* earphone detect */
113 GPIO16_GPIO
, /* backlight switch */
116 /******************************************************************************
117 * SD/MMC card controller
118 ******************************************************************************/
119 static 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
,
124 .detect_delay_ms
= 200,
127 /******************************************************************************
129 ******************************************************************************/
130 static struct gpio_keys_button palmtc_pxa_buttons
[] = {
131 {KEY_F8
, GPIO_NR_PALMTC_HOTSYNC_BUTTON
, 1, "HotSync Button", EV_KEY
, 1},
134 static struct gpio_keys_platform_data palmtc_pxa_keys_data
= {
135 .buttons
= palmtc_pxa_buttons
,
136 .nbuttons
= ARRAY_SIZE(palmtc_pxa_buttons
),
139 static struct platform_device palmtc_pxa_keys
= {
143 .platform_data
= &palmtc_pxa_keys_data
,
147 /******************************************************************************
149 ******************************************************************************/
150 static int palmtc_backlight_init(struct device
*dev
)
154 ret
= gpio_request(GPIO_NR_PALMTC_BL_POWER
, "BL POWER");
157 ret
= gpio_direction_output(GPIO_NR_PALMTC_BL_POWER
, 1);
164 gpio_free(GPIO_NR_PALMTC_BL_POWER
);
169 static int palmtc_backlight_notify(struct device
*dev
, int brightness
)
171 /* backlight is on when GPIO16 AF0 is high */
172 gpio_set_value(GPIO_NR_PALMTC_BL_POWER
, brightness
);
176 static void palmtc_backlight_exit(struct device
*dev
)
178 gpio_free(GPIO_NR_PALMTC_BL_POWER
);
181 static struct platform_pwm_backlight_data palmtc_backlight_data
= {
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
,
191 static struct platform_device palmtc_backlight
= {
192 .name
= "pwm-backlight",
194 .parent
= &pxa25x_device_pwm1
.dev
,
195 .platform_data
= &palmtc_backlight_data
,
199 /******************************************************************************
201 ******************************************************************************/
202 static struct pxaficp_platform_data palmtc_ficp_platform_data
= {
203 .gpio_pwdown
= GPIO_NR_PALMTC_IR_DISABLE
,
204 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
207 /******************************************************************************
209 ******************************************************************************/
210 static const uint32_t palmtc_matrix_keys
[] = {
213 KEY(0, 2, KEY_POWER
),
217 KEY(0, 6, KEY_LEFTSHIFT
),
230 KEY(1, 7, KEY_SPACE
),
234 KEY(1, 11, KEY_LEFT
),
237 KEY(2, 1, KEY_LEFTCTRL
),
246 KEY(2, 11, KEY_RIGHT
),
249 KEY(3, 1, KEY_ENTER
),
253 KEY(3, 6, KEY_LEFTALT
),
254 KEY(3, 7, KEY_ENTER
),
255 KEY(3, 8, KEY_BACKSPACE
),
261 const struct matrix_keymap_data palmtc_keymap_data
= {
262 .keymap
= palmtc_matrix_keys
,
263 .keymap_size
= ARRAY_SIZE(palmtc_matrix_keys
),
266 static const unsigned int palmtc_keypad_row_gpios
[] = {
270 static const unsigned int palmtc_keypad_col_gpios
[] = {
271 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
274 static struct matrix_keypad_platform_data palmtc_keypad_platform_data
= {
275 .keymap_data
= &palmtc_keymap_data
,
276 .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
),
283 .col_scan_delay_us
= 5,
286 static struct platform_device palmtc_keyboard
= {
287 .name
= "matrix-keypad",
290 .platform_data
= &palmtc_keypad_platform_data
,
294 /******************************************************************************
296 ******************************************************************************/
297 static 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
,
303 /******************************************************************************
304 * Touchscreen / Battery / GPIO-extender
305 ******************************************************************************/
306 static struct platform_device palmtc_ucb1400_core
= {
307 .name
= "ucb1400_core",
311 /******************************************************************************
313 ******************************************************************************/
314 static struct resource palmtc_flash_resource
= {
315 .start
= PXA_CS0_PHYS
,
316 .end
= PXA_CS0_PHYS
+ SZ_16M
- 1,
317 .flags
= IORESOURCE_MEM
,
320 static struct mtd_partition palmtc_flash_parts
[] = {
322 .name
= "U-Boot Bootloader",
327 .name
= "Linux Kernel",
332 .name
= "Filesystem",
337 .name
= "U-Boot Environment",
339 .size
= MTDPART_SIZ_FULL
,
343 static struct physmap_flash_data palmtc_flash_data
= {
345 .parts
= palmtc_flash_parts
,
346 .nr_parts
= ARRAY_SIZE(palmtc_flash_parts
),
349 static struct platform_device palmtc_flash
= {
350 .name
= "physmap-flash",
352 .resource
= &palmtc_flash_resource
,
355 .platform_data
= &palmtc_flash_data
,
359 /******************************************************************************
361 ******************************************************************************/
362 static struct pxafb_mode_info palmtc_lcd_modes
[] = {
379 static 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
,
385 /******************************************************************************
387 ******************************************************************************/
388 static struct platform_device
*devices
[] __initdata
= {
390 &palmtc_ucb1400_core
,
396 static void __init
palmtc_init(void)
398 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config
));
400 pxa_set_ffuart_info(NULL
);
401 pxa_set_btuart_info(NULL
);
402 pxa_set_stuart_info(NULL
);
403 pxa_set_hwuart_info(NULL
);
405 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
);
411 platform_add_devices(devices
, ARRAY_SIZE(devices
));
414 MACHINE_START(PALMTC
, "Palm Tungsten|C")
415 .boot_params
= 0xa0000100,
416 .map_io
= pxa25x_map_io
,
417 .init_irq
= pxa25x_init_irq
,
419 .init_machine
= palmtc_init