1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Hardware definitions for Palm LifeDrive
4 *
5 * Author: Marek Vasut <marek.vasut@gmail.com>
6 *
7 * Based on work of:
8 * Alex Osborne <ato@meshy.org>
9 *
10 * (find more info at www.hackndev.com)
11 */
12
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/irq.h>
16 #include <linux/gpio_keys.h>
17 #include <linux/input.h>
18 #include <linux/pda_power.h>
19 #include <linux/pwm_backlight.h>
20 #include <linux/gpio.h>
21 #include <linux/wm97xx.h>
22 #include <linux/power_supply.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30
31 #include "pxa27x.h"
32 #include <mach/audio.h>
33 #include <mach/palmld.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>
37 #include <linux/platform_data/keypad-pxa27x.h>
38 #include <linux/platform_data/asoc-palm27x.h>
39 #include "palm27x.h"
40
41 #include "generic.h"
42 #include "devices.h"
43
44 /******************************************************************************
45 * Pin configuration
46 ******************************************************************************/
47 static unsigned long palmld_pin_config[] __initdata = {
48 /* MMC */
49 GPIO32_MMC_CLK,
50 GPIO92_MMC_DAT_0,
51 GPIO109_MMC_DAT_1,
52 GPIO110_MMC_DAT_2,
53 GPIO111_MMC_DAT_3,
54 GPIO112_MMC_CMD,
55 GPIO14_GPIO, /* SD detect */
56 GPIO114_GPIO, /* SD power */
57 GPIO116_GPIO, /* SD r/o switch */
58
59 /* AC97 */
60 GPIO28_AC97_BITCLK,
61 GPIO29_AC97_SDATA_IN_0,
62 GPIO30_AC97_SDATA_OUT,
63 GPIO31_AC97_SYNC,
64 GPIO89_AC97_SYSCLK,
65 GPIO95_AC97_nRESET,
66
67 /* IrDA */
68 GPIO108_GPIO, /* ir disable */
69 GPIO46_FICP_RXD,
70 GPIO47_FICP_TXD,
71
72 /* MATRIX KEYPAD */
73 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
74 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
75 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
76 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
77 GPIO103_KP_MKOUT_0,
78 GPIO104_KP_MKOUT_1,
79 GPIO105_KP_MKOUT_2,
80
81 /* LCD */
82 GPIOxx_LCD_TFT_16BPP,
83
84 /* PWM */
85 GPIO16_PWM0_OUT,
86
87 /* GPIO KEYS */
88 GPIO10_GPIO, /* hotsync button */
89 GPIO12_GPIO, /* power switch */
90 GPIO15_GPIO, /* lock switch */
91
92 /* LEDs */
93 GPIO52_GPIO, /* green led */
94 GPIO94_GPIO, /* orange led */
95
96 /* PCMCIA */
97 GPIO48_nPOE,
98 GPIO49_nPWE,
99 GPIO50_nPIOR,
100 GPIO51_nPIOW,
101 GPIO85_nPCE_1,
102 GPIO54_nPCE_2,
103 GPIO79_PSKTSEL,
104 GPIO55_nPREG,
105 GPIO56_nPWAIT,
106 GPIO57_nIOIS16,
107 GPIO36_GPIO, /* wifi power */
108 GPIO38_GPIO, /* wifi ready */
109 GPIO81_GPIO, /* wifi reset */
110
111 /* FFUART */
112 GPIO34_FFUART_RXD,
113 GPIO39_FFUART_TXD,
114
115 /* HDD */
116 GPIO98_GPIO, /* HDD reset */
117 GPIO115_GPIO, /* HDD power */
118
119 /* MISC */
120 GPIO13_GPIO, /* earphone detect */
121 };
122
123 /******************************************************************************
124 * NOR Flash
125 ******************************************************************************/
126 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
127 static struct mtd_partition palmld_partitions[] = {
128 {
129 .name = "Flash",
130 .offset = 0x00000000,
131 .size = MTDPART_SIZ_FULL,
132 .mask_flags = 0
133 }
134 };
135
136 static struct physmap_flash_data palmld_flash_data[] = {
137 {
138 .width = 2, /* bankwidth in bytes */
139 .parts = palmld_partitions,
140 .nr_parts = ARRAY_SIZE(palmld_partitions)
141 }
142 };
143
144 static struct resource palmld_flash_resource = {
145 .start = PXA_CS0_PHYS,
146 .end = PXA_CS0_PHYS + SZ_4M - 1,
147 .flags = IORESOURCE_MEM,
148 };
149
150 static struct platform_device palmld_flash = {
151 .name = "physmap-flash",
152 .id = 0,
153 .resource = &palmld_flash_resource,
154 .num_resources = 1,
155 .dev = {
156 .platform_data = palmld_flash_data,
157 },
158 };
159
palmld_nor_init(void)160 static void __init palmld_nor_init(void)
161 {
162 platform_device_register(&palmld_flash);
163 }
164 #else
palmld_nor_init(void)165 static inline void palmld_nor_init(void) {}
166 #endif
167
168 /******************************************************************************
169 * GPIO keyboard
170 ******************************************************************************/
171 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
172 static const unsigned int palmld_matrix_keys[] = {
173 KEY(0, 1, KEY_F2),
174 KEY(0, 2, KEY_UP),
175
176 KEY(1, 0, KEY_F3),
177 KEY(1, 1, KEY_F4),
178 KEY(1, 2, KEY_RIGHT),
179
180 KEY(2, 0, KEY_F1),
181 KEY(2, 1, KEY_F5),
182 KEY(2, 2, KEY_DOWN),
183
184 KEY(3, 0, KEY_F6),
185 KEY(3, 1, KEY_ENTER),
186 KEY(3, 2, KEY_LEFT),
187 };
188
189 static struct matrix_keymap_data palmld_matrix_keymap_data = {
190 .keymap = palmld_matrix_keys,
191 .keymap_size = ARRAY_SIZE(palmld_matrix_keys),
192 };
193
194 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
195 .matrix_key_rows = 4,
196 .matrix_key_cols = 3,
197 .matrix_keymap_data = &palmld_matrix_keymap_data,
198
199 .debounce_interval = 30,
200 };
201
palmld_kpc_init(void)202 static void __init palmld_kpc_init(void)
203 {
204 pxa_set_keypad_info(&palmld_keypad_platform_data);
205 }
206 #else
palmld_kpc_init(void)207 static inline void palmld_kpc_init(void) {}
208 #endif
209
210 /******************************************************************************
211 * GPIO keys
212 ******************************************************************************/
213 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
214 static struct gpio_keys_button palmld_pxa_buttons[] = {
215 {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
216 {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
217 {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
218 };
219
220 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
221 .buttons = palmld_pxa_buttons,
222 .nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
223 };
224
225 static struct platform_device palmld_pxa_keys = {
226 .name = "gpio-keys",
227 .id = -1,
228 .dev = {
229 .platform_data = &palmld_pxa_keys_data,
230 },
231 };
232
palmld_keys_init(void)233 static void __init palmld_keys_init(void)
234 {
235 platform_device_register(&palmld_pxa_keys);
236 }
237 #else
palmld_keys_init(void)238 static inline void palmld_keys_init(void) {}
239 #endif
240
241 /******************************************************************************
242 * LEDs
243 ******************************************************************************/
244 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
245 struct gpio_led gpio_leds[] = {
246 {
247 .name = "palmld:green:led",
248 .default_trigger = "none",
249 .gpio = GPIO_NR_PALMLD_LED_GREEN,
250 }, {
251 .name = "palmld:amber:led",
252 .default_trigger = "none",
253 .gpio = GPIO_NR_PALMLD_LED_AMBER,
254 },
255 };
256
257 static struct gpio_led_platform_data gpio_led_info = {
258 .leds = gpio_leds,
259 .num_leds = ARRAY_SIZE(gpio_leds),
260 };
261
262 static struct platform_device palmld_leds = {
263 .name = "leds-gpio",
264 .id = -1,
265 .dev = {
266 .platform_data = &gpio_led_info,
267 }
268 };
269
palmld_leds_init(void)270 static void __init palmld_leds_init(void)
271 {
272 platform_device_register(&palmld_leds);
273 }
274 #else
palmld_leds_init(void)275 static inline void palmld_leds_init(void) {}
276 #endif
277
278 /******************************************************************************
279 * HDD
280 ******************************************************************************/
281 #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
282 static struct platform_device palmld_ide_device = {
283 .name = "pata_palmld",
284 .id = -1,
285 };
286
287 static struct gpiod_lookup_table palmld_ide_gpio_table = {
288 .dev_id = "pata_palmld",
289 .table = {
290 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_PWEN,
291 "power", GPIO_ACTIVE_HIGH),
292 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_RESET,
293 "reset", GPIO_ACTIVE_LOW),
294 { },
295 },
296 };
297
palmld_ide_init(void)298 static void __init palmld_ide_init(void)
299 {
300 gpiod_add_lookup_table(&palmld_ide_gpio_table);
301 platform_device_register(&palmld_ide_device);
302 }
303 #else
palmld_ide_init(void)304 static inline void palmld_ide_init(void) {}
305 #endif
306
307 /******************************************************************************
308 * Machine init
309 ******************************************************************************/
310 static struct map_desc palmld_io_desc[] __initdata = {
311 {
312 .virtual = PALMLD_IDE_VIRT,
313 .pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
314 .length = PALMLD_IDE_SIZE,
315 .type = MT_DEVICE
316 },
317 {
318 .virtual = PALMLD_USB_VIRT,
319 .pfn = __phys_to_pfn(PALMLD_USB_PHYS),
320 .length = PALMLD_USB_SIZE,
321 .type = MT_DEVICE
322 },
323 };
324
palmld_map_io(void)325 static void __init palmld_map_io(void)
326 {
327 pxa27x_map_io();
328 iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
329 }
330
331 static struct gpiod_lookup_table palmld_mci_gpio_table = {
332 .dev_id = "pxa2xx-mci.0",
333 .table = {
334 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_DETECT_N,
335 "cd", GPIO_ACTIVE_LOW),
336 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_READONLY,
337 "wp", GPIO_ACTIVE_LOW),
338 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_POWER,
339 "power", GPIO_ACTIVE_HIGH),
340 { },
341 },
342 };
343
palmld_init(void)344 static void __init palmld_init(void)
345 {
346 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
347 pxa_set_ffuart_info(NULL);
348 pxa_set_btuart_info(NULL);
349 pxa_set_stuart_info(NULL);
350
351 palm27x_mmc_init(&palmld_mci_gpio_table);
352 palm27x_pm_init(PALMLD_STR_BASE);
353 palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
354 palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
355 palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
356 GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
357 palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
358 palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
359 GPIO_NR_PALMLD_USB_DETECT_N);
360 palm27x_pmic_init();
361 palmld_kpc_init();
362 palmld_keys_init();
363 palmld_nor_init();
364 palmld_leds_init();
365 palmld_ide_init();
366 }
367
368 MACHINE_START(PALMLD, "Palm LifeDrive")
369 .atag_offset = 0x100,
370 .map_io = palmld_map_io,
371 .nr_irqs = PXA_NR_IRQS,
372 .init_irq = pxa27x_init_irq,
373 .handle_irq = pxa27x_handle_irq,
374 .init_time = pxa_timer_init,
375 .init_machine = palmld_init,
376 .restart = pxa_restart,
377 MACHINE_END
378