1 // SPDX-License-Identifier: GPL-2.0-only
3 * Hardware definitions for PalmTX
5 * Author: Marek Vasut <marek.vasut@gmail.com>
8 * Alex Osborne <ato@meshy.org>
9 * Cristiano P. <cristianop@users.sourceforge.net>
10 * Jan Herman <2hp@seznam.cz>
13 * (find more info at www.hackndev.com)
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/irq.h>
19 #include <linux/gpio_keys.h>
20 #include <linux/input.h>
21 #include <linux/pda_power.h>
22 #include <linux/pwm_backlight.h>
23 #include <linux/gpio.h>
24 #include <linux/wm97xx.h>
25 #include <linux/power_supply.h>
26 #include <linux/usb/gpio_vbus.h>
27 #include <linux/mtd/platnand.h>
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/physmap.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
36 #include <mach/audio.h>
37 #include <mach/palmtx.h>
38 #include <linux/platform_data/mmc-pxamci.h>
39 #include <linux/platform_data/video-pxafb.h>
40 #include <linux/platform_data/irda-pxaficp.h>
41 #include <linux/platform_data/keypad-pxa27x.h>
43 #include <linux/platform_data/asoc-palm27x.h>
49 /******************************************************************************
51 ******************************************************************************/
52 static unsigned long palmtx_pin_config[] __initdata = {
60 GPIO14_GPIO, /* SD detect */
61 GPIO114_GPIO, /* SD power */
62 GPIO115_GPIO, /* SD r/o switch */
66 GPIO29_AC97_SDATA_IN_0,
67 GPIO30_AC97_SDATA_OUT,
73 GPIO40_GPIO, /* ir disable */
81 GPIO13_GPIO, /* usb detect */
82 GPIO93_GPIO, /* usb power */
95 GPIO94_GPIO, /* wifi power 1 */
96 GPIO108_GPIO, /* wifi power 2 */
97 GPIO116_GPIO, /* wifi ready */
100 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
101 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
102 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
103 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
109 GPIOxx_LCD_TFT_16BPP,
120 GPIO10_GPIO, /* hotsync button */
121 GPIO12_GPIO, /* power detect */
122 GPIO107_GPIO, /* earphone detect */
125 /******************************************************************************
127 ******************************************************************************/
128 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
129 static struct mtd_partition palmtx_partitions[] = {
132 .offset = 0x00000000,
133 .size = MTDPART_SIZ_FULL,
138 static struct physmap_flash_data palmtx_flash_data[] = {
140 .width = 2, /* bankwidth in bytes */
141 .parts = palmtx_partitions,
142 .nr_parts = ARRAY_SIZE(palmtx_partitions)
146 static struct resource palmtx_flash_resource = {
147 .start = PXA_CS0_PHYS,
148 .end = PXA_CS0_PHYS + SZ_8M - 1,
149 .flags = IORESOURCE_MEM,
152 static struct platform_device palmtx_flash = {
153 .name = "physmap-flash",
155 .resource = &palmtx_flash_resource,
158 .platform_data = palmtx_flash_data,
162 static void __init palmtx_nor_init(void)
164 platform_device_register(&palmtx_flash);
167 static inline void palmtx_nor_init(void) {}
170 /******************************************************************************
172 ******************************************************************************/
173 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
174 static const unsigned int palmtx_matrix_keys[] = {
175 KEY(0, 0, KEY_POWER),
177 KEY(0, 2, KEY_ENTER),
186 KEY(3, 0, KEY_RIGHT),
190 static struct matrix_keymap_data palmtx_matrix_keymap_data = {
191 .keymap = palmtx_matrix_keys,
192 .keymap_size = ARRAY_SIZE(palmtx_matrix_keys),
195 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
196 .matrix_key_rows = 4,
197 .matrix_key_cols = 3,
198 .matrix_keymap_data = &palmtx_matrix_keymap_data,
200 .debounce_interval = 30,
203 static void __init palmtx_kpc_init(void)
205 pxa_set_keypad_info(&palmtx_keypad_platform_data);
208 static inline void palmtx_kpc_init(void) {}
211 /******************************************************************************
213 ******************************************************************************/
214 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
215 static struct gpio_keys_button palmtx_pxa_buttons[] = {
216 {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
219 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
220 .buttons = palmtx_pxa_buttons,
221 .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
224 static struct platform_device palmtx_pxa_keys = {
228 .platform_data = &palmtx_pxa_keys_data,
232 static void __init palmtx_keys_init(void)
234 platform_device_register(&palmtx_pxa_keys);
237 static inline void palmtx_keys_init(void) {}
240 /******************************************************************************
242 ******************************************************************************/
243 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
244 defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
245 static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
248 char __iomem *nandaddr = this->legacy.IO_ADDR_W;
250 if (cmd == NAND_CMD_NONE)
254 writeb(cmd, PALMTX_NAND_CLE_VIRT);
255 else if (ctrl & NAND_ALE)
256 writeb(cmd, PALMTX_NAND_ALE_VIRT);
258 writeb(cmd, nandaddr);
261 static struct mtd_partition palmtx_partition_info[] = {
265 .size = MTDPART_SIZ_FULL
269 struct platform_nand_data palmtx_nand_platdata = {
273 .nr_partitions = ARRAY_SIZE(palmtx_partition_info),
274 .partitions = palmtx_partition_info,
278 .cmd_ctrl = palmtx_nand_cmd_ctl,
282 static struct resource palmtx_nand_resource[] = {
284 .start = PXA_CS1_PHYS,
285 .end = PXA_CS1_PHYS + SZ_1M - 1,
286 .flags = IORESOURCE_MEM,
290 static struct platform_device palmtx_nand = {
292 .num_resources = ARRAY_SIZE(palmtx_nand_resource),
293 .resource = palmtx_nand_resource,
296 .platform_data = &palmtx_nand_platdata,
300 static void __init palmtx_nand_init(void)
302 platform_device_register(&palmtx_nand);
305 static inline void palmtx_nand_init(void) {}
308 /******************************************************************************
310 ******************************************************************************/
311 static struct map_desc palmtx_io_desc[] __initdata = {
313 .virtual = (unsigned long)PALMTX_PCMCIA_VIRT,
314 .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
315 .length = PALMTX_PCMCIA_SIZE,
318 .virtual = (unsigned long)PALMTX_NAND_ALE_VIRT,
319 .pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
323 .virtual = (unsigned long)PALMTX_NAND_CLE_VIRT,
324 .pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
330 static void __init palmtx_map_io(void)
333 iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
336 static struct gpiod_lookup_table palmtx_mci_gpio_table = {
337 .dev_id = "pxa2xx-mci.0",
339 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
340 "cd", GPIO_ACTIVE_LOW),
341 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
342 "wp", GPIO_ACTIVE_LOW),
343 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_POWER,
344 "power", GPIO_ACTIVE_HIGH),
349 static void __init palmtx_init(void)
351 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
352 pxa_set_ffuart_info(NULL);
353 pxa_set_btuart_info(NULL);
354 pxa_set_stuart_info(NULL);
356 palm27x_mmc_init(&palmtx_mci_gpio_table);
357 palm27x_pm_init(PALMTX_STR_BASE);
358 palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
359 palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
360 GPIO_NR_PALMTX_USB_PULLUP, 1);
361 palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
362 palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
363 GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
364 palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
365 palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
373 MACHINE_START(PALMTX, "Palm T|X")
374 .atag_offset = 0x100,
375 .map_io = palmtx_map_io,
376 .nr_irqs = PXA_NR_IRQS,
377 .init_irq = pxa27x_init_irq,
378 .handle_irq = pxa27x_handle_irq,
379 .init_time = pxa_timer_init,
380 .init_machine = palmtx_init,
381 .restart = pxa_restart,