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 #include <linux/soc/pxa/cpu.h>
24 
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include "pxa3xx.h"
28 #include <linux/platform_data/asoc-pxa.h>
29 #include <linux/platform_data/video-pxafb.h>
30 #include "zylonite.h"
31 #include <linux/platform_data/mmc-pxamci.h>
32 #include <linux/platform_data/usb-ohci-pxa27x.h>
33 #include <linux/platform_data/keypad-pxa27x.h>
34 #include <linux/platform_data/mtd-nand-pxa3xx.h>
35 #include "mfp.h"
36 
37 #include "devices.h"
38 #include "generic.h"
39 
40 int gpio_eth_irq;
41 int gpio_debug_led1;
42 int gpio_debug_led2;
43 
44 int wm9713_irq;
45 
46 int lcd_id;
47 int lcd_orientation;
48 
49 static struct resource smc91x_resources[] = {
50 	[0] = {
51 		.start	= ZYLONITE_ETH_PHYS + 0x300,
52 		.end	= ZYLONITE_ETH_PHYS + 0xfffff,
53 		.flags	= IORESOURCE_MEM,
54 	},
55 	[1] = {
56 		.start	= -1,	/* for run-time assignment */
57 		.end	= -1,
58 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
59 	}
60 };
61 
62 static struct smc91x_platdata zylonite_smc91x_info = {
63 	.flags	= SMC91X_USE_8BIT | SMC91X_USE_16BIT |
64 		  SMC91X_NOWAIT | SMC91X_USE_DMA,
65 };
66 
67 static struct platform_device smc91x_device = {
68 	.name		= "smc91x",
69 	.id		= 0,
70 	.num_resources	= ARRAY_SIZE(smc91x_resources),
71 	.resource	= smc91x_resources,
72 	.dev		= {
73 		.platform_data = &zylonite_smc91x_info,
74 	},
75 };
76 
77 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
78 static struct gpio_led zylonite_debug_leds[] = {
79 	[0] = {
80 		.name			= "zylonite:yellow:1",
81 		.default_trigger	= "heartbeat",
82 	},
83 	[1] = {
84 		.name			= "zylonite:yellow:2",
85 		.default_trigger	= "default-on",
86 	},
87 };
88 
89 static struct gpio_led_platform_data zylonite_debug_leds_info = {
90 	.leds		= zylonite_debug_leds,
91 	.num_leds	= ARRAY_SIZE(zylonite_debug_leds),
92 };
93 
94 static struct platform_device zylonite_device_leds = {
95 	.name		= "leds-gpio",
96 	.id		= -1,
97 	.dev		= {
98 		.platform_data = &zylonite_debug_leds_info,
99 	}
100 };
101 
zylonite_init_leds(void)102 static void __init zylonite_init_leds(void)
103 {
104 	zylonite_debug_leds[0].gpio = gpio_debug_led1;
105 	zylonite_debug_leds[1].gpio = gpio_debug_led2;
106 
107 	platform_device_register(&zylonite_device_leds);
108 }
109 #else
zylonite_init_leds(void)110 static inline void zylonite_init_leds(void) {}
111 #endif
112 
113 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
114 static struct pwm_lookup zylonite_pwm_lookup[] = {
115 	PWM_LOOKUP("pxa27x-pwm.1", 1, "pwm-backlight.0", NULL, 10000,
116 		   PWM_POLARITY_NORMAL),
117 };
118 
119 static struct platform_pwm_backlight_data zylonite_backlight_data = {
120 	.max_brightness	= 100,
121 	.dft_brightness	= 100,
122 };
123 
124 static struct platform_device zylonite_backlight_device = {
125 	.name		= "pwm-backlight",
126 	.dev		= {
127 		.parent = &pxa27x_device_pwm1.dev,
128 		.platform_data	= &zylonite_backlight_data,
129 	},
130 };
131 
132 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
133 	.pixclock		= 110000,
134 	.xres			= 240,
135 	.yres			= 320,
136 	.bpp			= 16,
137 	.hsync_len		= 4,
138 	.left_margin		= 6,
139 	.right_margin		= 4,
140 	.vsync_len		= 2,
141 	.upper_margin		= 2,
142 	.lower_margin		= 3,
143 	.sync			= FB_SYNC_VERT_HIGH_ACT,
144 };
145 
146 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
147 	.pixclock		= 50000,
148 	.xres			= 640,
149 	.yres			= 480,
150 	.bpp			= 16,
151 	.hsync_len		= 1,
152 	.left_margin		= 0x9f,
153 	.right_margin		= 1,
154 	.vsync_len		= 44,
155 	.upper_margin		= 0,
156 	.lower_margin		= 0,
157 	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
158 };
159 
160 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
161 	.num_modes      	= 1,
162 	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
163 };
164 
165 static struct pxafb_mode_info sharp_ls037_modes[] = {
166 	[0] = {
167 		.pixclock	= 158000,
168 		.xres		= 240,
169 		.yres		= 320,
170 		.bpp		= 16,
171 		.hsync_len	= 4,
172 		.left_margin	= 39,
173 		.right_margin	= 39,
174 		.vsync_len	= 1,
175 		.upper_margin	= 2,
176 		.lower_margin	= 3,
177 		.sync		= 0,
178 	},
179 	[1] = {
180 		.pixclock	= 39700,
181 		.xres		= 480,
182 		.yres		= 640,
183 		.bpp		= 16,
184 		.hsync_len	= 8,
185 		.left_margin	= 81,
186 		.right_margin	= 81,
187 		.vsync_len	= 1,
188 		.upper_margin	= 2,
189 		.lower_margin	= 7,
190 		.sync		= 0,
191 	},
192 };
193 
194 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
195 	.modes			= sharp_ls037_modes,
196 	.num_modes		= 2,
197 	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
198 };
199 
zylonite_init_lcd(void)200 static void __init zylonite_init_lcd(void)
201 {
202 	pwm_add_table(zylonite_pwm_lookup, ARRAY_SIZE(zylonite_pwm_lookup));
203 	platform_device_register(&zylonite_backlight_device);
204 
205 	if (lcd_id & 0x20) {
206 		pxa_set_fb_info(NULL, &zylonite_sharp_lcd_info);
207 		return;
208 	}
209 
210 	/* legacy LCD panels, it would be handy here if LCD panel type can
211 	 * be decided at run-time
212 	 */
213 	if (1)
214 		zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
215 	else
216 		zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
217 
218 	pxa_set_fb_info(NULL, &zylonite_toshiba_lcd_info);
219 }
220 #else
zylonite_init_lcd(void)221 static inline void zylonite_init_lcd(void) {}
222 #endif
223 
224 #if defined(CONFIG_MMC)
225 static struct pxamci_platform_data zylonite_mci_platform_data = {
226 	.detect_delay_ms= 200,
227 	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
228 };
229 
230 #define PCA9539A_MCI_CD 0
231 #define PCA9539A_MCI1_CD 1
232 #define PCA9539A_MCI_WP 2
233 #define PCA9539A_MCI1_WP 3
234 #define PCA9539A_MCI3_CD 30
235 #define PCA9539A_MCI3_WP 31
236 
237 static struct gpiod_lookup_table zylonite_mci_gpio_table = {
238 	.dev_id = "pxa2xx-mci.0",
239 	.table = {
240 		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_CD,
241 			    "cd", GPIO_ACTIVE_LOW),
242 		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_WP,
243 			    "wp", GPIO_ACTIVE_LOW),
244 		{ },
245 	},
246 };
247 
248 static struct pxamci_platform_data zylonite_mci2_platform_data = {
249 	.detect_delay_ms= 200,
250 	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
251 };
252 
253 static struct gpiod_lookup_table zylonite_mci2_gpio_table = {
254 	.dev_id = "pxa2xx-mci.1",
255 	.table = {
256 		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_CD,
257 			    "cd", GPIO_ACTIVE_LOW),
258 		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_WP,
259 			    "wp", GPIO_ACTIVE_LOW),
260 		{ },
261 	},
262 };
263 
264 static struct pxamci_platform_data zylonite_mci3_platform_data = {
265 	.detect_delay_ms= 200,
266 	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
267 };
268 
269 static struct gpiod_lookup_table zylonite_mci3_gpio_table = {
270 	.dev_id = "pxa2xx-mci.2",
271 	.table = {
272 		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_CD,
273 			    "cd", GPIO_ACTIVE_LOW),
274 		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_WP,
275 			    "wp", GPIO_ACTIVE_LOW),
276 		{ },
277 	},
278 };
279 
zylonite_init_mmc(void)280 static void __init zylonite_init_mmc(void)
281 {
282 	gpiod_add_lookup_table(&zylonite_mci_gpio_table);
283 	pxa_set_mci_info(&zylonite_mci_platform_data);
284 	gpiod_add_lookup_table(&zylonite_mci2_gpio_table);
285 	pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
286 	if (cpu_is_pxa310()) {
287 		gpiod_add_lookup_table(&zylonite_mci3_gpio_table);
288 		pxa3xx_set_mci3_info(&zylonite_mci3_platform_data);
289 	}
290 }
291 #else
zylonite_init_mmc(void)292 static inline void zylonite_init_mmc(void) {}
293 #endif
294 
295 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
296 static const unsigned int zylonite_matrix_key_map[] = {
297 	/* KEY(row, col, key_code) */
298 	KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
299 	KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
300 	KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
301 	KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
302 	KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
303 	KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
304 	KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
305 
306 	KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
307 	KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
308 	KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
309 
310 	KEY(4, 5, KEY_SPACE),
311 	KEY(5, 3, KEY_KPASTERISK), 	/* * */
312 	KEY(5, 4, KEY_KPDOT), 		/* #" */
313 
314 	KEY(0, 7, KEY_UP),
315 	KEY(1, 7, KEY_DOWN),
316 	KEY(2, 7, KEY_LEFT),
317 	KEY(3, 7, KEY_RIGHT),
318 	KEY(2, 6, KEY_HOME),
319 	KEY(3, 6, KEY_END),
320 	KEY(6, 4, KEY_DELETE),
321 	KEY(6, 6, KEY_BACK),
322 	KEY(6, 3, KEY_CAPSLOCK),	/* KEY_LEFTSHIFT), */
323 
324 	KEY(4, 6, KEY_ENTER),		/* scroll push */
325 	KEY(5, 7, KEY_ENTER),		/* keypad action */
326 
327 	KEY(0, 4, KEY_EMAIL),
328 	KEY(5, 6, KEY_SEND),
329 	KEY(4, 0, KEY_CALENDAR),
330 	KEY(7, 6, KEY_RECORD),
331 	KEY(6, 7, KEY_VOLUMEUP),
332 	KEY(7, 7, KEY_VOLUMEDOWN),
333 
334 	KEY(0, 6, KEY_F22),	/* soft1 */
335 	KEY(1, 6, KEY_F23),	/* soft2 */
336 	KEY(0, 3, KEY_AUX),	/* contact */
337 };
338 
339 static struct matrix_keymap_data zylonite_matrix_keymap_data = {
340 	.keymap			= zylonite_matrix_key_map,
341 	.keymap_size		= ARRAY_SIZE(zylonite_matrix_key_map),
342 };
343 
344 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
345 	.matrix_key_rows	= 8,
346 	.matrix_key_cols	= 8,
347 	.matrix_keymap_data	= &zylonite_matrix_keymap_data,
348 
349 	.enable_rotary0		= 1,
350 	.rotary0_up_key		= KEY_UP,
351 	.rotary0_down_key	= KEY_DOWN,
352 
353 	.debounce_interval	= 30,
354 };
355 
zylonite_init_keypad(void)356 static void __init zylonite_init_keypad(void)
357 {
358 	pxa_set_keypad_info(&zylonite_keypad_info);
359 }
360 #else
zylonite_init_keypad(void)361 static inline void zylonite_init_keypad(void) {}
362 #endif
363 
364 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
365 static struct mtd_partition zylonite_nand_partitions[] = {
366 	[0] = {
367 		.name        = "Bootloader",
368 		.offset      = 0,
369 		.size        = 0x060000,
370 		.mask_flags  = MTD_WRITEABLE, /* force read-only */
371 	},
372 	[1] = {
373 		.name        = "Kernel",
374 		.offset      = 0x060000,
375 		.size        = 0x200000,
376 		.mask_flags  = MTD_WRITEABLE, /* force read-only */
377 	},
378 	[2] = {
379 		.name        = "Filesystem",
380 		.offset      = 0x0260000,
381 		.size        = 0x3000000,     /* 48M - rootfs */
382 	},
383 	[3] = {
384 		.name        = "MassStorage",
385 		.offset      = 0x3260000,
386 		.size        = 0x3d40000,
387 	},
388 	[4] = {
389 		.name        = "BBT",
390 		.offset      = 0x6FA0000,
391 		.size        = 0x80000,
392 		.mask_flags  = MTD_WRITEABLE,  /* force read-only */
393 	},
394 	/* NOTE: we reserve some blocks at the end of the NAND flash for
395 	 * bad block management, and the max number of relocation blocks
396 	 * differs on different platforms. Please take care with it when
397 	 * defining the partition table.
398 	 */
399 };
400 
401 static struct pxa3xx_nand_platform_data zylonite_nand_info = {
402 	.parts		= zylonite_nand_partitions,
403 	.nr_parts	= ARRAY_SIZE(zylonite_nand_partitions),
404 };
405 
zylonite_init_nand(void)406 static void __init zylonite_init_nand(void)
407 {
408 	pxa3xx_set_nand_info(&zylonite_nand_info);
409 }
410 #else
zylonite_init_nand(void)411 static inline void zylonite_init_nand(void) {}
412 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
413 
414 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
415 static struct pxaohci_platform_data zylonite_ohci_info = {
416 	.port_mode	= PMM_PERPORT_MODE,
417 	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |
418 			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
419 };
420 
zylonite_init_ohci(void)421 static void __init zylonite_init_ohci(void)
422 {
423 	pxa_set_ohci_info(&zylonite_ohci_info);
424 }
425 #else
zylonite_init_ohci(void)426 static inline void zylonite_init_ohci(void) {}
427 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
428 
429 static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio15_table = {
430 	.dev_id = "wm97xx-touch.0",
431 	.table = {
432 		GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO15),
433 			    "touch", GPIO_ACTIVE_LOW),
434 		{ },
435 	},
436 };
437 
438 static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio26_table = {
439 	.dev_id = "wm97xx-touch.0",
440 	.table = {
441 		GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO26),
442 			    "touch", GPIO_ACTIVE_LOW),
443 		{ },
444 	},
445 };
446 
zylonite_init_wm97xx_touch(void)447 static void __init zylonite_init_wm97xx_touch(void)
448 {
449 	if (!IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE))
450 		return;
451 
452 	if (cpu_is_pxa320())
453 		gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio15_table);
454 	else
455 		gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio26_table);
456 }
457 
zylonite_init(void)458 static void __init zylonite_init(void)
459 {
460 	pxa_set_ffuart_info(NULL);
461 	pxa_set_btuart_info(NULL);
462 	pxa_set_stuart_info(NULL);
463 
464 	/* board-processor specific initialization */
465 	zylonite_pxa300_init();
466 	zylonite_pxa320_init();
467 
468 	/*
469 	 * Note: We depend that the bootloader set
470 	 * the correct value to MSC register for SMC91x.
471 	 */
472 	smc91x_resources[1].start = PXA_GPIO_TO_IRQ(gpio_eth_irq);
473 	smc91x_resources[1].end   = PXA_GPIO_TO_IRQ(gpio_eth_irq);
474 	platform_device_register(&smc91x_device);
475 
476 	pxa_set_ac97_info(NULL);
477 	zylonite_init_lcd();
478 	zylonite_init_mmc();
479 	zylonite_init_keypad();
480 	zylonite_init_nand();
481 	zylonite_init_leds();
482 	zylonite_init_ohci();
483 	zylonite_init_wm97xx_touch();
484 }
485 
486 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
487 	.atag_offset	= 0x100,
488 	.map_io		= pxa3xx_map_io,
489 	.nr_irqs	= ZYLONITE_NR_IRQS,
490 	.init_irq	= pxa3xx_init_irq,
491 	.handle_irq	= pxa3xx_handle_irq,
492 	.init_time	= pxa_timer_init,
493 	.init_machine	= zylonite_init,
494 	.restart	= pxa_restart,
495 MACHINE_END
496