1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Hardware definitions for PalmTX
4 *
5 * Author: Marek Vasut <marek.vasut@gmail.com>
6 *
7 * Based on work of:
8 * Alex Osborne <ato@meshy.org>
9 * Cristiano P. <cristianop@users.sourceforge.net>
10 * Jan Herman <2hp@seznam.cz>
11 * Michal Hrusecky
12 *
13 * (find more info at www.hackndev.com)
14 */
15
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/mtd/platnand.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/physmap.h>
29
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include "pxa27x.h"
35 #include <mach/audio.h>
36 #include <mach/palmtx.h>
37 #include <linux/platform_data/mmc-pxamci.h>
38 #include <linux/platform_data/video-pxafb.h>
39 #include <linux/platform_data/irda-pxaficp.h>
40 #include <linux/platform_data/keypad-pxa27x.h>
41 #include "udc.h"
42 #include <linux/platform_data/asoc-palm27x.h>
43 #include "palm27x.h"
44
45 #include "generic.h"
46 #include "devices.h"
47
48 /******************************************************************************
49 * Pin configuration
50 ******************************************************************************/
51 static unsigned long palmtx_pin_config[] __initdata = {
52 /* MMC */
53 GPIO32_MMC_CLK,
54 GPIO92_MMC_DAT_0,
55 GPIO109_MMC_DAT_1,
56 GPIO110_MMC_DAT_2,
57 GPIO111_MMC_DAT_3,
58 GPIO112_MMC_CMD,
59 GPIO14_GPIO, /* SD detect */
60 GPIO114_GPIO, /* SD power */
61 GPIO115_GPIO, /* SD r/o switch */
62
63 /* AC97 */
64 GPIO28_AC97_BITCLK,
65 GPIO29_AC97_SDATA_IN_0,
66 GPIO30_AC97_SDATA_OUT,
67 GPIO31_AC97_SYNC,
68 GPIO89_AC97_SYSCLK,
69 GPIO95_AC97_nRESET,
70
71 /* IrDA */
72 GPIO40_GPIO, /* ir disable */
73 GPIO46_FICP_RXD,
74 GPIO47_FICP_TXD,
75
76 /* PWM */
77 GPIO16_PWM0_OUT,
78
79 /* USB */
80 GPIO13_GPIO, /* usb detect */
81 GPIO93_GPIO, /* usb power */
82
83 /* PCMCIA */
84 GPIO48_nPOE,
85 GPIO49_nPWE,
86 GPIO50_nPIOR,
87 GPIO51_nPIOW,
88 GPIO85_nPCE_1,
89 GPIO54_nPCE_2,
90 GPIO79_PSKTSEL,
91 GPIO55_nPREG,
92 GPIO56_nPWAIT,
93 GPIO57_nIOIS16,
94 GPIO94_GPIO, /* wifi power 1 */
95 GPIO108_GPIO, /* wifi power 2 */
96 GPIO116_GPIO, /* wifi ready */
97
98 /* MATRIX KEYPAD */
99 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
100 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
101 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
102 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
103 GPIO103_KP_MKOUT_0,
104 GPIO104_KP_MKOUT_1,
105 GPIO105_KP_MKOUT_2,
106
107 /* LCD */
108 GPIOxx_LCD_TFT_16BPP,
109
110 /* FFUART */
111 GPIO34_FFUART_RXD,
112 GPIO39_FFUART_TXD,
113
114 /* NAND */
115 GPIO15_nCS_1,
116 GPIO18_RDY,
117
118 /* MISC. */
119 GPIO10_GPIO, /* hotsync button */
120 GPIO12_GPIO, /* power detect */
121 GPIO107_GPIO, /* earphone detect */
122 };
123
124 /******************************************************************************
125 * NOR Flash
126 ******************************************************************************/
127 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
128 static struct mtd_partition palmtx_partitions[] = {
129 {
130 .name = "Flash",
131 .offset = 0x00000000,
132 .size = MTDPART_SIZ_FULL,
133 .mask_flags = 0
134 }
135 };
136
137 static struct physmap_flash_data palmtx_flash_data[] = {
138 {
139 .width = 2, /* bankwidth in bytes */
140 .parts = palmtx_partitions,
141 .nr_parts = ARRAY_SIZE(palmtx_partitions)
142 }
143 };
144
145 static struct resource palmtx_flash_resource = {
146 .start = PXA_CS0_PHYS,
147 .end = PXA_CS0_PHYS + SZ_8M - 1,
148 .flags = IORESOURCE_MEM,
149 };
150
151 static struct platform_device palmtx_flash = {
152 .name = "physmap-flash",
153 .id = 0,
154 .resource = &palmtx_flash_resource,
155 .num_resources = 1,
156 .dev = {
157 .platform_data = palmtx_flash_data,
158 },
159 };
160
palmtx_nor_init(void)161 static void __init palmtx_nor_init(void)
162 {
163 platform_device_register(&palmtx_flash);
164 }
165 #else
palmtx_nor_init(void)166 static inline void palmtx_nor_init(void) {}
167 #endif
168
169 /******************************************************************************
170 * GPIO keyboard
171 ******************************************************************************/
172 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
173 static const unsigned int palmtx_matrix_keys[] = {
174 KEY(0, 0, KEY_POWER),
175 KEY(0, 1, KEY_F1),
176 KEY(0, 2, KEY_ENTER),
177
178 KEY(1, 0, KEY_F2),
179 KEY(1, 1, KEY_F3),
180 KEY(1, 2, KEY_F4),
181
182 KEY(2, 0, KEY_UP),
183 KEY(2, 2, KEY_DOWN),
184
185 KEY(3, 0, KEY_RIGHT),
186 KEY(3, 2, KEY_LEFT),
187 };
188
189 static struct matrix_keymap_data palmtx_matrix_keymap_data = {
190 .keymap = palmtx_matrix_keys,
191 .keymap_size = ARRAY_SIZE(palmtx_matrix_keys),
192 };
193
194 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
195 .matrix_key_rows = 4,
196 .matrix_key_cols = 3,
197 .matrix_keymap_data = &palmtx_matrix_keymap_data,
198
199 .debounce_interval = 30,
200 };
201
palmtx_kpc_init(void)202 static void __init palmtx_kpc_init(void)
203 {
204 pxa_set_keypad_info(&palmtx_keypad_platform_data);
205 }
206 #else
palmtx_kpc_init(void)207 static inline void palmtx_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 palmtx_pxa_buttons[] = {
215 {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
216 };
217
218 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
219 .buttons = palmtx_pxa_buttons,
220 .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
221 };
222
223 static struct platform_device palmtx_pxa_keys = {
224 .name = "gpio-keys",
225 .id = -1,
226 .dev = {
227 .platform_data = &palmtx_pxa_keys_data,
228 },
229 };
230
palmtx_keys_init(void)231 static void __init palmtx_keys_init(void)
232 {
233 platform_device_register(&palmtx_pxa_keys);
234 }
235 #else
palmtx_keys_init(void)236 static inline void palmtx_keys_init(void) {}
237 #endif
238
239 /******************************************************************************
240 * NAND Flash
241 ******************************************************************************/
242 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
243 defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
palmtx_nand_cmd_ctl(struct nand_chip * this,int cmd,unsigned int ctrl)244 static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
245 unsigned int ctrl)
246 {
247 char __iomem *nandaddr = this->legacy.IO_ADDR_W;
248
249 if (cmd == NAND_CMD_NONE)
250 return;
251
252 if (ctrl & NAND_CLE)
253 writeb(cmd, PALMTX_NAND_CLE_VIRT);
254 else if (ctrl & NAND_ALE)
255 writeb(cmd, PALMTX_NAND_ALE_VIRT);
256 else
257 writeb(cmd, nandaddr);
258 }
259
260 static struct mtd_partition palmtx_partition_info[] = {
261 [0] = {
262 .name = "palmtx-0",
263 .offset = 0,
264 .size = MTDPART_SIZ_FULL
265 },
266 };
267
268 struct platform_nand_data palmtx_nand_platdata = {
269 .chip = {
270 .nr_chips = 1,
271 .chip_offset = 0,
272 .nr_partitions = ARRAY_SIZE(palmtx_partition_info),
273 .partitions = palmtx_partition_info,
274 .chip_delay = 20,
275 },
276 .ctrl = {
277 .cmd_ctrl = palmtx_nand_cmd_ctl,
278 },
279 };
280
281 static struct resource palmtx_nand_resource[] = {
282 [0] = {
283 .start = PXA_CS1_PHYS,
284 .end = PXA_CS1_PHYS + SZ_1M - 1,
285 .flags = IORESOURCE_MEM,
286 },
287 };
288
289 static struct platform_device palmtx_nand = {
290 .name = "gen_nand",
291 .num_resources = ARRAY_SIZE(palmtx_nand_resource),
292 .resource = palmtx_nand_resource,
293 .id = -1,
294 .dev = {
295 .platform_data = &palmtx_nand_platdata,
296 }
297 };
298
palmtx_nand_init(void)299 static void __init palmtx_nand_init(void)
300 {
301 platform_device_register(&palmtx_nand);
302 }
303 #else
palmtx_nand_init(void)304 static inline void palmtx_nand_init(void) {}
305 #endif
306
307 /******************************************************************************
308 * Machine init
309 ******************************************************************************/
310 static struct map_desc palmtx_io_desc[] __initdata = {
311 {
312 .virtual = (unsigned long)PALMTX_PCMCIA_VIRT,
313 .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
314 .length = PALMTX_PCMCIA_SIZE,
315 .type = MT_DEVICE,
316 }, {
317 .virtual = (unsigned long)PALMTX_NAND_ALE_VIRT,
318 .pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
319 .length = SZ_1M,
320 .type = MT_DEVICE,
321 }, {
322 .virtual = (unsigned long)PALMTX_NAND_CLE_VIRT,
323 .pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
324 .length = SZ_1M,
325 .type = MT_DEVICE,
326 }
327 };
328
palmtx_map_io(void)329 static void __init palmtx_map_io(void)
330 {
331 pxa27x_map_io();
332 iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
333 }
334
335 static struct gpiod_lookup_table palmtx_mci_gpio_table = {
336 .dev_id = "pxa2xx-mci.0",
337 .table = {
338 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
339 "cd", GPIO_ACTIVE_LOW),
340 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
341 "wp", GPIO_ACTIVE_LOW),
342 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_POWER,
343 "power", GPIO_ACTIVE_HIGH),
344 { },
345 },
346 };
347
palmtx_init(void)348 static void __init palmtx_init(void)
349 {
350 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
351 pxa_set_ffuart_info(NULL);
352 pxa_set_btuart_info(NULL);
353 pxa_set_stuart_info(NULL);
354
355 palm27x_mmc_init(&palmtx_mci_gpio_table);
356 palm27x_pm_init(PALMTX_STR_BASE);
357 palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
358 palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
359 GPIO_NR_PALMTX_USB_PULLUP, 1);
360 palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
361 palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
362 GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
363 palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
364 palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
365 palm27x_pmic_init();
366 palmtx_kpc_init();
367 palmtx_keys_init();
368 palmtx_nor_init();
369 palmtx_nand_init();
370 }
371
372 MACHINE_START(PALMTX, "Palm T|X")
373 .atag_offset = 0x100,
374 .map_io = palmtx_map_io,
375 .nr_irqs = PXA_NR_IRQS,
376 .init_irq = pxa27x_init_irq,
377 .handle_irq = pxa27x_handle_irq,
378 .init_time = pxa_timer_init,
379 .init_machine = palmtx_init,
380 .restart = pxa_restart,
381 MACHINE_END
382