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/usb/gpio_vbus.h>
27 #include <linux/mtd/platnand.h>
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/physmap.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34
35 #include "pxa27x.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>
42 #include "udc.h"
43 #include <linux/platform_data/asoc-palm27x.h>
44 #include "palm27x.h"
45
46 #include "generic.h"
47 #include "devices.h"
48
49 /******************************************************************************
50 * Pin configuration
51 ******************************************************************************/
52 static unsigned long palmtx_pin_config[] __initdata = {
53 /* MMC */
54 GPIO32_MMC_CLK,
55 GPIO92_MMC_DAT_0,
56 GPIO109_MMC_DAT_1,
57 GPIO110_MMC_DAT_2,
58 GPIO111_MMC_DAT_3,
59 GPIO112_MMC_CMD,
60 GPIO14_GPIO, /* SD detect */
61 GPIO114_GPIO, /* SD power */
62 GPIO115_GPIO, /* SD r/o switch */
63
64 /* AC97 */
65 GPIO28_AC97_BITCLK,
66 GPIO29_AC97_SDATA_IN_0,
67 GPIO30_AC97_SDATA_OUT,
68 GPIO31_AC97_SYNC,
69 GPIO89_AC97_SYSCLK,
70 GPIO95_AC97_nRESET,
71
72 /* IrDA */
73 GPIO40_GPIO, /* ir disable */
74 GPIO46_FICP_RXD,
75 GPIO47_FICP_TXD,
76
77 /* PWM */
78 GPIO16_PWM0_OUT,
79
80 /* USB */
81 GPIO13_GPIO, /* usb detect */
82 GPIO93_GPIO, /* usb power */
83
84 /* PCMCIA */
85 GPIO48_nPOE,
86 GPIO49_nPWE,
87 GPIO50_nPIOR,
88 GPIO51_nPIOW,
89 GPIO85_nPCE_1,
90 GPIO54_nPCE_2,
91 GPIO79_PSKTSEL,
92 GPIO55_nPREG,
93 GPIO56_nPWAIT,
94 GPIO57_nIOIS16,
95 GPIO94_GPIO, /* wifi power 1 */
96 GPIO108_GPIO, /* wifi power 2 */
97 GPIO116_GPIO, /* wifi ready */
98
99 /* MATRIX KEYPAD */
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,
104 GPIO103_KP_MKOUT_0,
105 GPIO104_KP_MKOUT_1,
106 GPIO105_KP_MKOUT_2,
107
108 /* LCD */
109 GPIOxx_LCD_TFT_16BPP,
110
111 /* FFUART */
112 GPIO34_FFUART_RXD,
113 GPIO39_FFUART_TXD,
114
115 /* NAND */
116 GPIO15_nCS_1,
117 GPIO18_RDY,
118
119 /* MISC. */
120 GPIO10_GPIO, /* hotsync button */
121 GPIO12_GPIO, /* power detect */
122 GPIO107_GPIO, /* earphone detect */
123 };
124
125 /******************************************************************************
126 * NOR Flash
127 ******************************************************************************/
128 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
129 static struct mtd_partition palmtx_partitions[] = {
130 {
131 .name = "Flash",
132 .offset = 0x00000000,
133 .size = MTDPART_SIZ_FULL,
134 .mask_flags = 0
135 }
136 };
137
138 static struct physmap_flash_data palmtx_flash_data[] = {
139 {
140 .width = 2, /* bankwidth in bytes */
141 .parts = palmtx_partitions,
142 .nr_parts = ARRAY_SIZE(palmtx_partitions)
143 }
144 };
145
146 static struct resource palmtx_flash_resource = {
147 .start = PXA_CS0_PHYS,
148 .end = PXA_CS0_PHYS + SZ_8M - 1,
149 .flags = IORESOURCE_MEM,
150 };
151
152 static struct platform_device palmtx_flash = {
153 .name = "physmap-flash",
154 .id = 0,
155 .resource = &palmtx_flash_resource,
156 .num_resources = 1,
157 .dev = {
158 .platform_data = palmtx_flash_data,
159 },
160 };
161
palmtx_nor_init(void)162 static void __init palmtx_nor_init(void)
163 {
164 platform_device_register(&palmtx_flash);
165 }
166 #else
palmtx_nor_init(void)167 static inline void palmtx_nor_init(void) {}
168 #endif
169
170 /******************************************************************************
171 * GPIO keyboard
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),
176 KEY(0, 1, KEY_F1),
177 KEY(0, 2, KEY_ENTER),
178
179 KEY(1, 0, KEY_F2),
180 KEY(1, 1, KEY_F3),
181 KEY(1, 2, KEY_F4),
182
183 KEY(2, 0, KEY_UP),
184 KEY(2, 2, KEY_DOWN),
185
186 KEY(3, 0, KEY_RIGHT),
187 KEY(3, 2, KEY_LEFT),
188 };
189
190 static struct matrix_keymap_data palmtx_matrix_keymap_data = {
191 .keymap = palmtx_matrix_keys,
192 .keymap_size = ARRAY_SIZE(palmtx_matrix_keys),
193 };
194
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,
199
200 .debounce_interval = 30,
201 };
202
palmtx_kpc_init(void)203 static void __init palmtx_kpc_init(void)
204 {
205 pxa_set_keypad_info(&palmtx_keypad_platform_data);
206 }
207 #else
palmtx_kpc_init(void)208 static inline void palmtx_kpc_init(void) {}
209 #endif
210
211 /******************************************************************************
212 * GPIO keys
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" },
217 };
218
219 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
220 .buttons = palmtx_pxa_buttons,
221 .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
222 };
223
224 static struct platform_device palmtx_pxa_keys = {
225 .name = "gpio-keys",
226 .id = -1,
227 .dev = {
228 .platform_data = &palmtx_pxa_keys_data,
229 },
230 };
231
palmtx_keys_init(void)232 static void __init palmtx_keys_init(void)
233 {
234 platform_device_register(&palmtx_pxa_keys);
235 }
236 #else
palmtx_keys_init(void)237 static inline void palmtx_keys_init(void) {}
238 #endif
239
240 /******************************************************************************
241 * NAND Flash
242 ******************************************************************************/
243 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
244 defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
palmtx_nand_cmd_ctl(struct nand_chip * this,int cmd,unsigned int ctrl)245 static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
246 unsigned int ctrl)
247 {
248 char __iomem *nandaddr = this->legacy.IO_ADDR_W;
249
250 if (cmd == NAND_CMD_NONE)
251 return;
252
253 if (ctrl & NAND_CLE)
254 writeb(cmd, PALMTX_NAND_CLE_VIRT);
255 else if (ctrl & NAND_ALE)
256 writeb(cmd, PALMTX_NAND_ALE_VIRT);
257 else
258 writeb(cmd, nandaddr);
259 }
260
261 static struct mtd_partition palmtx_partition_info[] = {
262 [0] = {
263 .name = "palmtx-0",
264 .offset = 0,
265 .size = MTDPART_SIZ_FULL
266 },
267 };
268
269 struct platform_nand_data palmtx_nand_platdata = {
270 .chip = {
271 .nr_chips = 1,
272 .chip_offset = 0,
273 .nr_partitions = ARRAY_SIZE(palmtx_partition_info),
274 .partitions = palmtx_partition_info,
275 .chip_delay = 20,
276 },
277 .ctrl = {
278 .cmd_ctrl = palmtx_nand_cmd_ctl,
279 },
280 };
281
282 static struct resource palmtx_nand_resource[] = {
283 [0] = {
284 .start = PXA_CS1_PHYS,
285 .end = PXA_CS1_PHYS + SZ_1M - 1,
286 .flags = IORESOURCE_MEM,
287 },
288 };
289
290 static struct platform_device palmtx_nand = {
291 .name = "gen_nand",
292 .num_resources = ARRAY_SIZE(palmtx_nand_resource),
293 .resource = palmtx_nand_resource,
294 .id = -1,
295 .dev = {
296 .platform_data = &palmtx_nand_platdata,
297 }
298 };
299
palmtx_nand_init(void)300 static void __init palmtx_nand_init(void)
301 {
302 platform_device_register(&palmtx_nand);
303 }
304 #else
palmtx_nand_init(void)305 static inline void palmtx_nand_init(void) {}
306 #endif
307
308 /******************************************************************************
309 * Machine init
310 ******************************************************************************/
311 static struct map_desc palmtx_io_desc[] __initdata = {
312 {
313 .virtual = (unsigned long)PALMTX_PCMCIA_VIRT,
314 .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
315 .length = PALMTX_PCMCIA_SIZE,
316 .type = MT_DEVICE,
317 }, {
318 .virtual = (unsigned long)PALMTX_NAND_ALE_VIRT,
319 .pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
320 .length = SZ_1M,
321 .type = MT_DEVICE,
322 }, {
323 .virtual = (unsigned long)PALMTX_NAND_CLE_VIRT,
324 .pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
325 .length = SZ_1M,
326 .type = MT_DEVICE,
327 }
328 };
329
palmtx_map_io(void)330 static void __init palmtx_map_io(void)
331 {
332 pxa27x_map_io();
333 iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
334 }
335
336 static struct gpiod_lookup_table palmtx_mci_gpio_table = {
337 .dev_id = "pxa2xx-mci.0",
338 .table = {
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),
345 { },
346 },
347 };
348
palmtx_init(void)349 static void __init palmtx_init(void)
350 {
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);
355
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);
366 palm27x_pmic_init();
367 palmtx_kpc_init();
368 palmtx_keys_init();
369 palmtx_nor_init();
370 palmtx_nand_init();
371 }
372
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,
382 MACHINE_END
383
