1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/littleton.c
4 *
5 * Support for the Marvell Littleton Development Platform.
6 *
7 * Author: Jason Chagas (largely modified code)
8 * Created: Nov 20, 2006
9 * Copyright: (C) Copyright 2006 Marvell International Ltd.
10 *
11 * 2007-11-22 modified to align with latest kernel
12 * eric miao <eric.miao@marvell.com>
13 */
14
15 #include <linux/init.h>
16 #include <linux/interrupt.h>
17 #include <linux/delay.h>
18 #include <linux/platform_device.h>
19 #include <linux/clk.h>
20 #include <linux/gpio/machine.h>
21 #include <linux/spi/spi.h>
22 #include <linux/spi/pxa2xx_spi.h>
23 #include <linux/smc91x.h>
24 #include <linux/i2c.h>
25 #include <linux/leds.h>
26 #include <linux/mfd/da903x.h>
27 #include <linux/platform_data/max732x.h>
28 #include <linux/platform_data/i2c-pxa.h>
29
30 #include <asm/types.h>
31 #include <asm/setup.h>
32 #include <asm/memory.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include "pxa300.h"
41 #include "devices.h"
42 #include <linux/platform_data/video-pxafb.h>
43 #include <linux/platform_data/mmc-pxamci.h>
44 #include <linux/platform_data/keypad-pxa27x.h>
45 #include "littleton.h"
46 #include <linux/platform_data/mtd-nand-pxa3xx.h>
47
48 #include "generic.h"
49
50 /* Littleton MFP configurations */
51 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
52 /* LCD */
53 GPIO54_LCD_LDD_0,
54 GPIO55_LCD_LDD_1,
55 GPIO56_LCD_LDD_2,
56 GPIO57_LCD_LDD_3,
57 GPIO58_LCD_LDD_4,
58 GPIO59_LCD_LDD_5,
59 GPIO60_LCD_LDD_6,
60 GPIO61_LCD_LDD_7,
61 GPIO62_LCD_LDD_8,
62 GPIO63_LCD_LDD_9,
63 GPIO64_LCD_LDD_10,
64 GPIO65_LCD_LDD_11,
65 GPIO66_LCD_LDD_12,
66 GPIO67_LCD_LDD_13,
67 GPIO68_LCD_LDD_14,
68 GPIO69_LCD_LDD_15,
69 GPIO70_LCD_LDD_16,
70 GPIO71_LCD_LDD_17,
71 GPIO72_LCD_FCLK,
72 GPIO73_LCD_LCLK,
73 GPIO74_LCD_PCLK,
74 GPIO75_LCD_BIAS,
75
76 /* SSP2 */
77 GPIO25_SSP2_SCLK,
78 GPIO27_SSP2_TXD,
79 GPIO17_GPIO, /* SFRM as chip-select */
80
81 /* Debug Ethernet */
82 GPIO90_GPIO,
83
84 /* Keypad */
85 GPIO107_KP_DKIN_0,
86 GPIO108_KP_DKIN_1,
87 GPIO115_KP_MKIN_0,
88 GPIO116_KP_MKIN_1,
89 GPIO117_KP_MKIN_2,
90 GPIO118_KP_MKIN_3,
91 GPIO119_KP_MKIN_4,
92 GPIO120_KP_MKIN_5,
93 GPIO121_KP_MKOUT_0,
94 GPIO122_KP_MKOUT_1,
95 GPIO123_KP_MKOUT_2,
96 GPIO124_KP_MKOUT_3,
97 GPIO125_KP_MKOUT_4,
98
99 /* MMC1 */
100 GPIO3_MMC1_DAT0,
101 GPIO4_MMC1_DAT1,
102 GPIO5_MMC1_DAT2,
103 GPIO6_MMC1_DAT3,
104 GPIO7_MMC1_CLK,
105 GPIO8_MMC1_CMD,
106 GPIO15_GPIO, /* card detect */
107
108 /* UART3 */
109 GPIO107_UART3_CTS,
110 GPIO108_UART3_RTS,
111 GPIO109_UART3_TXD,
112 GPIO110_UART3_RXD,
113 };
114
115 static struct resource smc91x_resources[] = {
116 [0] = {
117 .start = (LITTLETON_ETH_PHYS + 0x300),
118 .end = (LITTLETON_ETH_PHYS + 0xfffff),
119 .flags = IORESOURCE_MEM,
120 },
121 [1] = {
122 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
123 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
124 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
125 }
126 };
127
128 static struct smc91x_platdata littleton_smc91x_info = {
129 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
130 SMC91X_NOWAIT | SMC91X_USE_DMA,
131 };
132
133 static struct platform_device smc91x_device = {
134 .name = "smc91x",
135 .id = 0,
136 .num_resources = ARRAY_SIZE(smc91x_resources),
137 .resource = smc91x_resources,
138 .dev = {
139 .platform_data = &littleton_smc91x_info,
140 },
141 };
142
143 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
144 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
145 [0] = {
146 /* VGA */
147 .pixclock = 38250,
148 .xres = 480,
149 .yres = 640,
150 .bpp = 16,
151 .hsync_len = 8,
152 .left_margin = 8,
153 .right_margin = 24,
154 .vsync_len = 2,
155 .upper_margin = 2,
156 .lower_margin = 4,
157 .sync = 0,
158 },
159 [1] = {
160 /* QVGA */
161 .pixclock = 153000,
162 .xres = 240,
163 .yres = 320,
164 .bpp = 16,
165 .hsync_len = 8,
166 .left_margin = 8,
167 .right_margin = 88,
168 .vsync_len = 2,
169 .upper_margin = 2,
170 .lower_margin = 2,
171 .sync = 0,
172 },
173 };
174
175 static struct pxafb_mach_info littleton_lcd_info = {
176 .modes = tpo_tdo24mtea1_modes,
177 .num_modes = 2,
178 .lcd_conn = LCD_COLOR_TFT_16BPP,
179 };
180
littleton_init_lcd(void)181 static void __init littleton_init_lcd(void)
182 {
183 pxa_set_fb_info(NULL, &littleton_lcd_info);
184 }
185 #else
littleton_init_lcd(void)186 static inline void littleton_init_lcd(void) {};
187 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
188
189 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
190 static struct pxa2xx_spi_controller littleton_spi_info = {
191 .num_chipselect = 1,
192 };
193
194 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
195 .rx_threshold = 1,
196 .tx_threshold = 1,
197 };
198
199 static struct spi_board_info littleton_spi_devices[] __initdata = {
200 {
201 .modalias = "tdo24m",
202 .max_speed_hz = 1000000,
203 .bus_num = 2,
204 .chip_select = 0,
205 .controller_data= &littleton_tdo24m_chip,
206 },
207 };
208
209 static struct gpiod_lookup_table littleton_spi_gpio_table = {
210 .dev_id = "spi2",
211 .table = {
212 GPIO_LOOKUP_IDX("gpio-pxa", LITTLETON_GPIO_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
213 { },
214 },
215 };
216
littleton_init_spi(void)217 static void __init littleton_init_spi(void)
218 {
219 gpiod_add_lookup_table(&littleton_spi_gpio_table);
220 pxa2xx_set_spi_info(2, &littleton_spi_info);
221 spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
222 }
223 #else
littleton_init_spi(void)224 static inline void littleton_init_spi(void) {}
225 #endif
226
227 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
228 static const unsigned int littleton_matrix_key_map[] = {
229 /* KEY(row, col, key_code) */
230 KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
231 KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
232 KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
233
234 KEY(0, 3, KEY_KPASTERISK), /* * */
235 KEY(2, 3, KEY_KPDOT), /* # */
236
237 KEY(5, 4, KEY_ENTER),
238
239 KEY(5, 0, KEY_UP),
240 KEY(5, 1, KEY_DOWN),
241 KEY(5, 2, KEY_LEFT),
242 KEY(5, 3, KEY_RIGHT),
243 KEY(3, 2, KEY_HOME),
244 KEY(4, 1, KEY_END),
245 KEY(3, 3, KEY_BACK),
246
247 KEY(4, 0, KEY_SEND),
248 KEY(4, 2, KEY_VOLUMEUP),
249 KEY(4, 3, KEY_VOLUMEDOWN),
250
251 KEY(3, 0, KEY_F22), /* soft1 */
252 KEY(3, 1, KEY_F23), /* soft2 */
253 };
254
255 static struct matrix_keymap_data littleton_matrix_keymap_data = {
256 .keymap = littleton_matrix_key_map,
257 .keymap_size = ARRAY_SIZE(littleton_matrix_key_map),
258 };
259
260 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
261 .matrix_key_rows = 6,
262 .matrix_key_cols = 5,
263 .matrix_keymap_data = &littleton_matrix_keymap_data,
264
265 .enable_rotary0 = 1,
266 .rotary0_up_key = KEY_UP,
267 .rotary0_down_key = KEY_DOWN,
268
269 .debounce_interval = 30,
270 };
littleton_init_keypad(void)271 static void __init littleton_init_keypad(void)
272 {
273 pxa_set_keypad_info(&littleton_keypad_info);
274 }
275 #else
littleton_init_keypad(void)276 static inline void littleton_init_keypad(void) {}
277 #endif
278
279 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
280 static struct pxamci_platform_data littleton_mci_platform_data = {
281 .detect_delay_ms = 200,
282 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
283 };
284
285 static struct gpiod_lookup_table littleton_mci_gpio_table = {
286 .dev_id = "pxa2xx-mci.0",
287 .table = {
288 /* Card detect on MFP (gpio-pxa) GPIO 15 */
289 GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO15,
290 "cd", GPIO_ACTIVE_LOW),
291 { },
292 },
293 };
294
littleton_init_mmc(void)295 static void __init littleton_init_mmc(void)
296 {
297 gpiod_add_lookup_table(&littleton_mci_gpio_table);
298 pxa_set_mci_info(&littleton_mci_platform_data);
299 }
300 #else
littleton_init_mmc(void)301 static inline void littleton_init_mmc(void) {}
302 #endif
303
304 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
305 static struct mtd_partition littleton_nand_partitions[] = {
306 [0] = {
307 .name = "Bootloader",
308 .offset = 0,
309 .size = 0x060000,
310 .mask_flags = MTD_WRITEABLE, /* force read-only */
311 },
312 [1] = {
313 .name = "Kernel",
314 .offset = 0x060000,
315 .size = 0x200000,
316 .mask_flags = MTD_WRITEABLE, /* force read-only */
317 },
318 [2] = {
319 .name = "Filesystem",
320 .offset = 0x0260000,
321 .size = 0x3000000, /* 48M - rootfs */
322 },
323 [3] = {
324 .name = "MassStorage",
325 .offset = 0x3260000,
326 .size = 0x3d40000,
327 },
328 [4] = {
329 .name = "BBT",
330 .offset = 0x6FA0000,
331 .size = 0x80000,
332 .mask_flags = MTD_WRITEABLE, /* force read-only */
333 },
334 /* NOTE: we reserve some blocks at the end of the NAND flash for
335 * bad block management, and the max number of relocation blocks
336 * differs on different platforms. Please take care with it when
337 * defining the partition table.
338 */
339 };
340
341 static struct pxa3xx_nand_platform_data littleton_nand_info = {
342 .parts = littleton_nand_partitions,
343 .nr_parts = ARRAY_SIZE(littleton_nand_partitions),
344 };
345
littleton_init_nand(void)346 static void __init littleton_init_nand(void)
347 {
348 pxa3xx_set_nand_info(&littleton_nand_info);
349 }
350 #else
littleton_init_nand(void)351 static inline void littleton_init_nand(void) {}
352 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
353
354 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
355 static struct led_info littleton_da9034_leds[] = {
356 [0] = {
357 .name = "littleton:keypad1",
358 .flags = DA9034_LED_RAMP,
359 },
360 [1] = {
361 .name = "littleton:keypad2",
362 .flags = DA9034_LED_RAMP,
363 },
364 [2] = {
365 .name = "littleton:vibra",
366 .flags = 0,
367 },
368 };
369
370 static struct da9034_touch_pdata littleton_da9034_touch = {
371 .x_inverted = 1,
372 .interval_ms = 20,
373 };
374
375 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
376 {
377 .name = "da903x-led",
378 .id = DA9034_ID_LED_1,
379 .platform_data = &littleton_da9034_leds[0],
380 }, {
381 .name = "da903x-led",
382 .id = DA9034_ID_LED_2,
383 .platform_data = &littleton_da9034_leds[1],
384 }, {
385 .name = "da903x-led",
386 .id = DA9034_ID_VIBRA,
387 .platform_data = &littleton_da9034_leds[2],
388 }, {
389 .name = "da903x-backlight",
390 .id = DA9034_ID_WLED,
391 }, {
392 .name = "da9034-touch",
393 .id = DA9034_ID_TOUCH,
394 .platform_data = &littleton_da9034_touch,
395 },
396 };
397
398 static struct da903x_platform_data littleton_da9034_info = {
399 .num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs),
400 .subdevs = littleton_da9034_subdevs,
401 };
402
403 static struct max732x_platform_data littleton_max7320_info = {
404 .gpio_base = EXT0_GPIO_BASE,
405 };
406
407 static struct i2c_board_info littleton_i2c_info[] = {
408 [0] = {
409 .type = "da9034",
410 .addr = 0x34,
411 .platform_data = &littleton_da9034_info,
412 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
413 },
414 [1] = {
415 .type = "max7320",
416 .addr = 0x50,
417 .platform_data = &littleton_max7320_info,
418 },
419 };
420
littleton_init_i2c(void)421 static void __init littleton_init_i2c(void)
422 {
423 pxa_set_i2c_info(NULL);
424 i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
425 }
426 #else
littleton_init_i2c(void)427 static inline void littleton_init_i2c(void) {}
428 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
429
littleton_init(void)430 static void __init littleton_init(void)
431 {
432 /* initialize MFP configurations */
433 pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
434
435 pxa_set_ffuart_info(NULL);
436 pxa_set_btuart_info(NULL);
437 pxa_set_stuart_info(NULL);
438
439 /*
440 * Note: we depend bootloader set the correct
441 * value to MSC register for SMC91x.
442 */
443 platform_device_register(&smc91x_device);
444
445 littleton_init_spi();
446 littleton_init_i2c();
447 littleton_init_mmc();
448 littleton_init_lcd();
449 littleton_init_keypad();
450 littleton_init_nand();
451 }
452
453 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
454 .atag_offset = 0x100,
455 .map_io = pxa3xx_map_io,
456 .nr_irqs = LITTLETON_NR_IRQS,
457 .init_irq = pxa3xx_init_irq,
458 .handle_irq = pxa3xx_handle_irq,
459 .init_time = pxa_timer_init,
460 .init_machine = littleton_init,
461 .restart = pxa_restart,
462 MACHINE_END
463
