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mm: make wait_on_page_writeback() wait for multiple pending writebacks
[linux/fpc-iii.git] / arch / arm / mach-pxa / zylonite.c
blob79f0025fa17a5c5fe621707d4cf922ab6e296db3
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/zylonite.c
4 *
5 * Support for the PXA3xx Development Platform (aka Zylonite)
6 *
7 * Copyright (C) 2006 Marvell International Ltd.
8 *
9 * 2007-09-04: eric miao <eric.miao@marvell.com>
10 * rewrite to align with latest kernel
11 */
12
13 #include <linux/module.h>
14 #include <linux/kernel.h>
15 #include <linux/interrupt.h>
16 #include <linux/leds.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/gpio/machine.h>
20 #include <linux/pwm.h>
21 #include <linux/pwm_backlight.h>
22 #include <linux/smc91x.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include "pxa3xx.h"
27 #include <mach/audio.h>
28 #include <linux/platform_data/video-pxafb.h>
29 #include "zylonite.h"
30 #include <linux/platform_data/mmc-pxamci.h>
31 #include <linux/platform_data/usb-ohci-pxa27x.h>
32 #include <linux/platform_data/keypad-pxa27x.h>
33 #include <linux/platform_data/mtd-nand-pxa3xx.h>
34
35 #include "devices.h"
36 #include "generic.h"
37
38 int gpio_eth_irq;
39 int gpio_debug_led1;
40 int gpio_debug_led2;
41
42 int wm9713_irq;
43
44 int lcd_id;
45 int lcd_orientation;
46
47 static struct resource smc91x_resources[] = {
48 [0] = {
49 .start = ZYLONITE_ETH_PHYS + 0x300,
50 .end = ZYLONITE_ETH_PHYS + 0xfffff,
51 .flags = IORESOURCE_MEM,
52 },
53 [1] = {
54 .start = -1, /* for run-time assignment */
55 .end = -1,
56 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
57 }
58 };
59
60 static struct smc91x_platdata zylonite_smc91x_info = {
61 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
62 SMC91X_NOWAIT | SMC91X_USE_DMA,
63 };
64
65 static struct platform_device smc91x_device = {
66 .name = "smc91x",
67 .id = 0,
68 .num_resources = ARRAY_SIZE(smc91x_resources),
69 .resource = smc91x_resources,
70 .dev = {
71 .platform_data = &zylonite_smc91x_info,
72 },
73 };
74
75 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
76 static struct gpio_led zylonite_debug_leds[] = {
77 [0] = {
78 .name = "zylonite:yellow:1",
79 .default_trigger = "heartbeat",
80 },
81 [1] = {
82 .name = "zylonite:yellow:2",
83 .default_trigger = "default-on",
84 },
85 };
86
87 static struct gpio_led_platform_data zylonite_debug_leds_info = {
88 .leds = zylonite_debug_leds,
89 .num_leds = ARRAY_SIZE(zylonite_debug_leds),
90 };
91
92 static struct platform_device zylonite_device_leds = {
93 .name = "leds-gpio",
94 .id = -1,
95 .dev = {
96 .platform_data = &zylonite_debug_leds_info,
97 }
98 };
99
100 static void __init zylonite_init_leds(void)
101 {
102 zylonite_debug_leds[0].gpio = gpio_debug_led1;
103 zylonite_debug_leds[1].gpio = gpio_debug_led2;
104
105 platform_device_register(&zylonite_device_leds);
106 }
107 #else
108 static inline void zylonite_init_leds(void) {}
109 #endif
110
111 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
112 static struct pwm_lookup zylonite_pwm_lookup[] = {
113 PWM_LOOKUP("pxa27x-pwm.1", 1, "pwm-backlight.0", NULL, 10000,
114 PWM_POLARITY_NORMAL),
115 };
116
117 static struct platform_pwm_backlight_data zylonite_backlight_data = {
118 .max_brightness = 100,
119 .dft_brightness = 100,
120 };
121
122 static struct platform_device zylonite_backlight_device = {
123 .name = "pwm-backlight",
124 .dev = {
125 .parent = &pxa27x_device_pwm1.dev,
126 .platform_data = &zylonite_backlight_data,
127 },
128 };
129
130 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
131 .pixclock = 110000,
132 .xres = 240,
133 .yres = 320,
134 .bpp = 16,
135 .hsync_len = 4,
136 .left_margin = 6,
137 .right_margin = 4,
138 .vsync_len = 2,
139 .upper_margin = 2,
140 .lower_margin = 3,
141 .sync = FB_SYNC_VERT_HIGH_ACT,
142 };
143
144 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
145 .pixclock = 50000,
146 .xres = 640,
147 .yres = 480,
148 .bpp = 16,
149 .hsync_len = 1,
150 .left_margin = 0x9f,
151 .right_margin = 1,
152 .vsync_len = 44,
153 .upper_margin = 0,
154 .lower_margin = 0,
155 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
156 };
157
158 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
159 .num_modes = 1,
160 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
161 };
162
163 static struct pxafb_mode_info sharp_ls037_modes[] = {
164 [0] = {
165 .pixclock = 158000,
166 .xres = 240,
167 .yres = 320,
168 .bpp = 16,
169 .hsync_len = 4,
170 .left_margin = 39,
171 .right_margin = 39,
172 .vsync_len = 1,
173 .upper_margin = 2,
174 .lower_margin = 3,
175 .sync = 0,
176 },
177 [1] = {
178 .pixclock = 39700,
179 .xres = 480,
180 .yres = 640,
181 .bpp = 16,
182 .hsync_len = 8,
183 .left_margin = 81,
184 .right_margin = 81,
185 .vsync_len = 1,
186 .upper_margin = 2,
187 .lower_margin = 7,
188 .sync = 0,
189 },
190 };
191
192 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
193 .modes = sharp_ls037_modes,
194 .num_modes = 2,
195 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
196 };
197
198 static void __init zylonite_init_lcd(void)
199 {
200 pwm_add_table(zylonite_pwm_lookup, ARRAY_SIZE(zylonite_pwm_lookup));
201 platform_device_register(&zylonite_backlight_device);
202
203 if (lcd_id & 0x20) {
204 pxa_set_fb_info(NULL, &zylonite_sharp_lcd_info);
205 return;
206 }
207
208 /* legacy LCD panels, it would be handy here if LCD panel type can
209 * be decided at run-time
210 */
211 if (1)
212 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
213 else
214 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
215
216 pxa_set_fb_info(NULL, &zylonite_toshiba_lcd_info);
217 }
218 #else
219 static inline void zylonite_init_lcd(void) {}
220 #endif
221
222 #if defined(CONFIG_MMC)
223 static struct pxamci_platform_data zylonite_mci_platform_data = {
224 .detect_delay_ms= 200,
225 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
226 };
227
228 #define PCA9539A_MCI_CD 0
229 #define PCA9539A_MCI1_CD 1
230 #define PCA9539A_MCI_WP 2
231 #define PCA9539A_MCI1_WP 3
232 #define PCA9539A_MCI3_CD 30
233 #define PCA9539A_MCI3_WP 31
234
235 static struct gpiod_lookup_table zylonite_mci_gpio_table = {
236 .dev_id = "pxa2xx-mci.0",
237 .table = {
238 GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_CD,
239 "cd", GPIO_ACTIVE_LOW),
240 GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_WP,
241 "wp", GPIO_ACTIVE_LOW),
242 { },
243 },
244 };
245
246 static struct pxamci_platform_data zylonite_mci2_platform_data = {
247 .detect_delay_ms= 200,
248 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
249 };
250
251 static struct gpiod_lookup_table zylonite_mci2_gpio_table = {
252 .dev_id = "pxa2xx-mci.1",
253 .table = {
254 GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_CD,
255 "cd", GPIO_ACTIVE_LOW),
256 GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_WP,
257 "wp", GPIO_ACTIVE_LOW),
258 { },
259 },
260 };
261
262 static struct pxamci_platform_data zylonite_mci3_platform_data = {
263 .detect_delay_ms= 200,
264 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
265 };
266
267 static struct gpiod_lookup_table zylonite_mci3_gpio_table = {
268 .dev_id = "pxa2xx-mci.2",
269 .table = {
270 GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_CD,
271 "cd", GPIO_ACTIVE_LOW),
272 GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_WP,
273 "wp", GPIO_ACTIVE_LOW),
274 { },
275 },
276 };
277
278 static void __init zylonite_init_mmc(void)
279 {
280 gpiod_add_lookup_table(&zylonite_mci_gpio_table);
281 pxa_set_mci_info(&zylonite_mci_platform_data);
282 gpiod_add_lookup_table(&zylonite_mci2_gpio_table);
283 pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
284 if (cpu_is_pxa310()) {
285 gpiod_add_lookup_table(&zylonite_mci3_gpio_table);
286 pxa3xx_set_mci3_info(&zylonite_mci3_platform_data);
287 }
288 }
289 #else
290 static inline void zylonite_init_mmc(void) {}
291 #endif
292
293 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
294 static const unsigned int zylonite_matrix_key_map[] = {
295 /* KEY(row, col, key_code) */
296 KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
297 KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
298 KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
299 KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
300 KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
301 KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
302 KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
303
304 KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
305 KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
306 KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
307
308 KEY(4, 5, KEY_SPACE),
309 KEY(5, 3, KEY_KPASTERISK), /* * */
310 KEY(5, 4, KEY_KPDOT), /* #" */
311
312 KEY(0, 7, KEY_UP),
313 KEY(1, 7, KEY_DOWN),
314 KEY(2, 7, KEY_LEFT),
315 KEY(3, 7, KEY_RIGHT),
316 KEY(2, 6, KEY_HOME),
317 KEY(3, 6, KEY_END),
318 KEY(6, 4, KEY_DELETE),
319 KEY(6, 6, KEY_BACK),
320 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
321
322 KEY(4, 6, KEY_ENTER), /* scroll push */
323 KEY(5, 7, KEY_ENTER), /* keypad action */
324
325 KEY(0, 4, KEY_EMAIL),
326 KEY(5, 6, KEY_SEND),
327 KEY(4, 0, KEY_CALENDAR),
328 KEY(7, 6, KEY_RECORD),
329 KEY(6, 7, KEY_VOLUMEUP),
330 KEY(7, 7, KEY_VOLUMEDOWN),
331
332 KEY(0, 6, KEY_F22), /* soft1 */
333 KEY(1, 6, KEY_F23), /* soft2 */
334 KEY(0, 3, KEY_AUX), /* contact */
335 };
336
337 static struct matrix_keymap_data zylonite_matrix_keymap_data = {
338 .keymap = zylonite_matrix_key_map,
339 .keymap_size = ARRAY_SIZE(zylonite_matrix_key_map),
340 };
341
342 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
343 .matrix_key_rows = 8,
344 .matrix_key_cols = 8,
345 .matrix_keymap_data = &zylonite_matrix_keymap_data,
346
347 .enable_rotary0 = 1,
348 .rotary0_up_key = KEY_UP,
349 .rotary0_down_key = KEY_DOWN,
350
351 .debounce_interval = 30,
352 };
353
354 static void __init zylonite_init_keypad(void)
355 {
356 pxa_set_keypad_info(&zylonite_keypad_info);
357 }
358 #else
359 static inline void zylonite_init_keypad(void) {}
360 #endif
361
362 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
363 static struct mtd_partition zylonite_nand_partitions[] = {
364 [0] = {
365 .name = "Bootloader",
366 .offset = 0,
367 .size = 0x060000,
368 .mask_flags = MTD_WRITEABLE, /* force read-only */
369 },
370 [1] = {
371 .name = "Kernel",
372 .offset = 0x060000,
373 .size = 0x200000,
374 .mask_flags = MTD_WRITEABLE, /* force read-only */
375 },
376 [2] = {
377 .name = "Filesystem",
378 .offset = 0x0260000,
379 .size = 0x3000000, /* 48M - rootfs */
380 },
381 [3] = {
382 .name = "MassStorage",
383 .offset = 0x3260000,
384 .size = 0x3d40000,
385 },
386 [4] = {
387 .name = "BBT",
388 .offset = 0x6FA0000,
389 .size = 0x80000,
390 .mask_flags = MTD_WRITEABLE, /* force read-only */
391 },
392 /* NOTE: we reserve some blocks at the end of the NAND flash for
393 * bad block management, and the max number of relocation blocks
394 * differs on different platforms. Please take care with it when
395 * defining the partition table.
396 */
397 };
398
399 static struct pxa3xx_nand_platform_data zylonite_nand_info = {
400 .parts = zylonite_nand_partitions,
401 .nr_parts = ARRAY_SIZE(zylonite_nand_partitions),
402 };
403
404 static void __init zylonite_init_nand(void)
405 {
406 pxa3xx_set_nand_info(&zylonite_nand_info);
407 }
408 #else
409 static inline void zylonite_init_nand(void) {}
410 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
411
412 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
413 static struct pxaohci_platform_data zylonite_ohci_info = {
414 .port_mode = PMM_PERPORT_MODE,
415 .flags = ENABLE_PORT1 | ENABLE_PORT2 |
416 POWER_CONTROL_LOW | POWER_SENSE_LOW,
417 };
418
419 static void __init zylonite_init_ohci(void)
420 {
421 pxa_set_ohci_info(&zylonite_ohci_info);
422 }
423 #else
424 static inline void zylonite_init_ohci(void) {}
425 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
426
427 static void __init zylonite_init(void)
428 {
429 pxa_set_ffuart_info(NULL);
430 pxa_set_btuart_info(NULL);
431 pxa_set_stuart_info(NULL);
432
433 /* board-processor specific initialization */
434 zylonite_pxa300_init();
435 zylonite_pxa320_init();
436
437 /*
438 * Note: We depend that the bootloader set
439 * the correct value to MSC register for SMC91x.
440 */
441 smc91x_resources[1].start = PXA_GPIO_TO_IRQ(gpio_eth_irq);
442 smc91x_resources[1].end = PXA_GPIO_TO_IRQ(gpio_eth_irq);
443 platform_device_register(&smc91x_device);
444
445 pxa_set_ac97_info(NULL);
446 zylonite_init_lcd();
447 zylonite_init_mmc();
448 zylonite_init_keypad();
449 zylonite_init_nand();
450 zylonite_init_leds();
451 zylonite_init_ohci();
452 }
453
454 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
455 .atag_offset = 0x100,
456 .map_io = pxa3xx_map_io,
457 .nr_irqs = ZYLONITE_NR_IRQS,
458 .init_irq = pxa3xx_init_irq,
459 .handle_irq = pxa3xx_handle_irq,
460 .init_time = pxa_timer_init,
461 .init_machine = zylonite_init,
462 .restart = pxa_restart,
463 MACHINE_END
Linux with added FPC-III support