1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-pxa/palmtc.c
5 * Support for the Palm Tungsten|C
7 * Author: Marek Vasut <marek.vasut@gmail.com>
10 * Petr Blaha <p3t3@centrum.cz>
11 * Chetan S. Kumar <shivakumar.chetan@gmail.com>
14 #include <linux/platform_device.h>
15 #include <linux/delay.h>
16 #include <linux/irq.h>
17 #include <linux/input.h>
18 #include <linux/pwm.h>
19 #include <linux/pwm_backlight.h>
20 #include <linux/gpio/machine.h>
21 #include <linux/input/matrix_keypad.h>
22 #include <linux/ucb1400.h>
23 #include <linux/power_supply.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/mtd/physmap.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
32 #include <mach/audio.h>
33 #include <mach/palmtc.h>
34 #include <linux/platform_data/mmc-pxamci.h>
35 #include <linux/platform_data/video-pxafb.h>
36 #include <linux/platform_data/irda-pxaficp.h>
42 /******************************************************************************
44 ******************************************************************************/
45 static unsigned long palmtc_pin_config[] __initdata = {
49 GPIO12_GPIO, /* detect */
50 GPIO32_GPIO, /* power */
51 GPIO54_GPIO, /* r/o switch */
67 GPIO29_AC97_SDATA_IN_0,
68 GPIO30_AC97_SDATA_OUT,
72 GPIO45_GPIO, /* ir disable */
80 GPIO4_GPIO, /* detect */
81 GPIO36_GPIO, /* pullup */
87 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
88 GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
89 GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
90 GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
91 GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
92 GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
93 GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
94 GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
95 GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
96 GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
97 GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
98 GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
99 GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
100 GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
101 GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
102 GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
105 GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
108 GPIO1_RST, /* reset */
109 GPIO2_GPIO, /* earphone detect */
110 GPIO16_GPIO, /* backlight switch */
113 /******************************************************************************
114 * SD/MMC card controller
115 ******************************************************************************/
116 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
117 static struct pxamci_platform_data palmtc_mci_platform_data = {
118 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
119 .detect_delay_ms = 200,
122 static struct gpiod_lookup_table palmtc_mci_gpio_table = {
123 .dev_id = "pxa2xx-mci.0",
125 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_DETECT_N,
126 "cd", GPIO_ACTIVE_LOW),
127 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_READONLY,
128 "wp", GPIO_ACTIVE_LOW),
129 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_POWER,
130 "power", GPIO_ACTIVE_HIGH),
135 static void __init palmtc_mmc_init(void)
137 gpiod_add_lookup_table(&palmtc_mci_gpio_table);
138 pxa_set_mci_info(&palmtc_mci_platform_data);
141 static inline void palmtc_mmc_init(void) {}
144 /******************************************************************************
146 ******************************************************************************/
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button palmtc_pxa_buttons[] = {
149 {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
152 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
153 .buttons = palmtc_pxa_buttons,
154 .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
157 static struct platform_device palmtc_pxa_keys = {
161 .platform_data = &palmtc_pxa_keys_data,
165 static void __init palmtc_keys_init(void)
167 platform_device_register(&palmtc_pxa_keys);
170 static inline void palmtc_keys_init(void) {}
173 /******************************************************************************
175 ******************************************************************************/
176 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
177 static struct pwm_lookup palmtc_pwm_lookup[] = {
178 PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
179 PWM_POLARITY_NORMAL),
182 static struct platform_pwm_backlight_data palmtc_backlight_data = {
183 .max_brightness = PALMTC_MAX_INTENSITY,
184 .dft_brightness = PALMTC_MAX_INTENSITY,
185 .enable_gpio = GPIO_NR_PALMTC_BL_POWER,
188 static struct platform_device palmtc_backlight = {
189 .name = "pwm-backlight",
191 .parent = &pxa25x_device_pwm1.dev,
192 .platform_data = &palmtc_backlight_data,
196 static void __init palmtc_pwm_init(void)
198 pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup));
199 platform_device_register(&palmtc_backlight);
202 static inline void palmtc_pwm_init(void) {}
205 /******************************************************************************
207 ******************************************************************************/
208 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
209 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
210 .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
211 .transceiver_cap = IR_SIRMODE | IR_OFF,
214 static void __init palmtc_irda_init(void)
216 pxa_set_ficp_info(&palmtc_ficp_platform_data);
219 static inline void palmtc_irda_init(void) {}
222 /******************************************************************************
224 ******************************************************************************/
225 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
226 static const uint32_t palmtc_matrix_keys[] = {
229 KEY(0, 2, KEY_POWER),
233 KEY(0, 6, KEY_LEFTSHIFT),
246 KEY(1, 7, KEY_SPACE),
250 KEY(1, 11, KEY_LEFT),
253 KEY(2, 1, KEY_LEFTCTRL),
262 KEY(2, 11, KEY_RIGHT),
265 KEY(3, 1, KEY_ENTER),
269 KEY(3, 6, KEY_LEFTALT),
270 KEY(3, 7, KEY_ENTER),
271 KEY(3, 8, KEY_BACKSPACE),
277 const struct matrix_keymap_data palmtc_keymap_data = {
278 .keymap = palmtc_matrix_keys,
279 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
282 static const unsigned int palmtc_keypad_row_gpios[] = {
286 static const unsigned int palmtc_keypad_col_gpios[] = {
287 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
290 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
291 .keymap_data = &palmtc_keymap_data,
292 .row_gpios = palmtc_keypad_row_gpios,
293 .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
294 .col_gpios = palmtc_keypad_col_gpios,
295 .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
299 .col_scan_delay_us = 5,
302 static struct platform_device palmtc_keyboard = {
303 .name = "matrix-keypad",
306 .platform_data = &palmtc_keypad_platform_data,
309 static void __init palmtc_mkp_init(void)
311 platform_device_register(&palmtc_keyboard);
314 static inline void palmtc_mkp_init(void) {}
317 /******************************************************************************
319 ******************************************************************************/
320 #if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
321 static struct gpiod_lookup_table palmtc_udc_gpiod_table = {
322 .dev_id = "gpio-vbus",
324 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_DETECT_N,
325 "vbus", GPIO_ACTIVE_LOW),
326 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_POWER,
327 "pullup", GPIO_ACTIVE_HIGH),
332 static struct platform_device palmtc_gpio_vbus = {
337 static void __init palmtc_udc_init(void)
339 gpiod_add_lookup_table(&palmtc_udc_gpiod_table);
340 platform_device_register(&palmtc_gpio_vbus);
343 static inline void palmtc_udc_init(void) {}
346 /******************************************************************************
347 * Touchscreen / Battery / GPIO-extender
348 ******************************************************************************/
349 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
350 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
351 static struct platform_device palmtc_ucb1400_device = {
352 .name = "ucb1400_core",
356 static void __init palmtc_ts_init(void)
358 pxa_set_ac97_info(NULL);
359 platform_device_register(&palmtc_ucb1400_device);
362 static inline void palmtc_ts_init(void) {}
365 /******************************************************************************
367 ******************************************************************************/
368 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
369 struct gpio_led palmtc_gpio_leds[] = {
371 .name = "palmtc:green:user",
372 .default_trigger = "none",
373 .gpio = GPIO_NR_PALMTC_LED_POWER,
376 .name = "palmtc:vibra:vibra",
377 .default_trigger = "none",
378 .gpio = GPIO_NR_PALMTC_VIBRA_POWER,
384 static struct gpio_led_platform_data palmtc_gpio_led_info = {
385 .leds = palmtc_gpio_leds,
386 .num_leds = ARRAY_SIZE(palmtc_gpio_leds),
389 static struct platform_device palmtc_leds = {
393 .platform_data = &palmtc_gpio_led_info,
397 static void __init palmtc_leds_init(void)
399 platform_device_register(&palmtc_leds);
402 static inline void palmtc_leds_init(void) {}
405 /******************************************************************************
407 ******************************************************************************/
408 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
409 static struct resource palmtc_flash_resource = {
410 .start = PXA_CS0_PHYS,
411 .end = PXA_CS0_PHYS + SZ_16M - 1,
412 .flags = IORESOURCE_MEM,
415 static struct mtd_partition palmtc_flash_parts[] = {
417 .name = "U-Boot Bootloader",
422 .name = "Linux Kernel",
427 .name = "Filesystem",
432 .name = "U-Boot Environment",
434 .size = MTDPART_SIZ_FULL,
438 static struct physmap_flash_data palmtc_flash_data = {
440 .parts = palmtc_flash_parts,
441 .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
444 static struct platform_device palmtc_flash = {
445 .name = "physmap-flash",
447 .resource = &palmtc_flash_resource,
450 .platform_data = &palmtc_flash_data,
454 static void __init palmtc_nor_init(void)
456 platform_device_register(&palmtc_flash);
459 static inline void palmtc_nor_init(void) {}
462 /******************************************************************************
464 ******************************************************************************/
465 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
466 static struct pxafb_mode_info palmtc_lcd_modes[] = {
483 static struct pxafb_mach_info palmtc_lcd_screen = {
484 .modes = palmtc_lcd_modes,
485 .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
486 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
489 static void __init palmtc_lcd_init(void)
491 pxa_set_fb_info(NULL, &palmtc_lcd_screen);
494 static inline void palmtc_lcd_init(void) {}
497 /******************************************************************************
499 ******************************************************************************/
500 static void __init palmtc_init(void)
502 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
504 pxa_set_ffuart_info(NULL);
505 pxa_set_btuart_info(NULL);
506 pxa_set_stuart_info(NULL);
507 pxa_set_hwuart_info(NULL);
521 MACHINE_START(PALMTC, "Palm Tungsten|C")
522 .atag_offset = 0x100,
523 .map_io = pxa25x_map_io,
524 .nr_irqs = PXA_NR_IRQS,
525 .init_irq = pxa25x_init_irq,
526 .handle_irq = pxa25x_handle_irq,
527 .init_time = pxa_timer_init,
528 .init_machine = palmtc_init,
529 .restart = pxa_restart,