2 * linux/arch/arm/mach-pxa/littleton.c
4 * Support for the Marvell Littleton Development Platform.
6 * Author: Jason Chagas (largely modified code)
7 * Created: Nov 20, 2006
8 * Copyright: (C) Copyright 2006 Marvell International Ltd.
10 * 2007-11-22 modified to align with latest kernel
11 * eric miao <eric.miao@marvell.com>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * publishhed by the Free Software Foundation.
18 #include <linux/init.h>
19 #include <linux/interrupt.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
23 #include <linux/gpio/machine.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/pxa2xx_spi.h>
26 #include <linux/smc91x.h>
27 #include <linux/i2c.h>
28 #include <linux/leds.h>
29 #include <linux/mfd/da903x.h>
30 #include <linux/platform_data/max732x.h>
31 #include <linux/platform_data/i2c-pxa.h>
33 #include <asm/types.h>
34 #include <asm/setup.h>
35 #include <asm/memory.h>
36 #include <asm/mach-types.h>
37 #include <mach/hardware.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
46 #include <linux/platform_data/video-pxafb.h>
47 #include <linux/platform_data/mmc-pxamci.h>
48 #include <linux/platform_data/keypad-pxa27x.h>
49 #include "littleton.h"
50 #include <linux/platform_data/mtd-nand-pxa3xx.h>
54 /* Littleton MFP configurations */
55 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
83 GPIO17_GPIO, /* SFRM as chip-select */
110 GPIO15_GPIO, /* card detect */
119 static struct resource smc91x_resources[] = {
121 .start = (LITTLETON_ETH_PHYS + 0x300),
122 .end = (LITTLETON_ETH_PHYS + 0xfffff),
123 .flags = IORESOURCE_MEM,
126 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
127 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
128 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
132 static struct smc91x_platdata littleton_smc91x_info = {
133 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
134 SMC91X_NOWAIT | SMC91X_USE_DMA,
137 static struct platform_device smc91x_device = {
140 .num_resources = ARRAY_SIZE(smc91x_resources),
141 .resource = smc91x_resources,
143 .platform_data = &littleton_smc91x_info,
147 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
148 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
179 static struct pxafb_mach_info littleton_lcd_info = {
180 .modes = tpo_tdo24mtea1_modes,
182 .lcd_conn = LCD_COLOR_TFT_16BPP,
185 static void __init littleton_init_lcd(void)
187 pxa_set_fb_info(NULL, &littleton_lcd_info);
190 static inline void littleton_init_lcd(void) {};
191 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
193 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
194 static struct pxa2xx_spi_controller littleton_spi_info = {
198 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
201 .gpio_cs = LITTLETON_GPIO_LCD_CS,
204 static struct spi_board_info littleton_spi_devices[] __initdata = {
206 .modalias = "tdo24m",
207 .max_speed_hz = 1000000,
210 .controller_data= &littleton_tdo24m_chip,
214 static void __init littleton_init_spi(void)
216 pxa2xx_set_spi_info(2, &littleton_spi_info);
217 spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
220 static inline void littleton_init_spi(void) {}
223 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
224 static const unsigned int littleton_matrix_key_map[] = {
225 /* KEY(row, col, key_code) */
226 KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
227 KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
228 KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
230 KEY(0, 3, KEY_KPASTERISK), /* * */
231 KEY(2, 3, KEY_KPDOT), /* # */
233 KEY(5, 4, KEY_ENTER),
238 KEY(5, 3, KEY_RIGHT),
244 KEY(4, 2, KEY_VOLUMEUP),
245 KEY(4, 3, KEY_VOLUMEDOWN),
247 KEY(3, 0, KEY_F22), /* soft1 */
248 KEY(3, 1, KEY_F23), /* soft2 */
251 static struct matrix_keymap_data littleton_matrix_keymap_data = {
252 .keymap = littleton_matrix_key_map,
253 .keymap_size = ARRAY_SIZE(littleton_matrix_key_map),
256 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
257 .matrix_key_rows = 6,
258 .matrix_key_cols = 5,
259 .matrix_keymap_data = &littleton_matrix_keymap_data,
262 .rotary0_up_key = KEY_UP,
263 .rotary0_down_key = KEY_DOWN,
265 .debounce_interval = 30,
267 static void __init littleton_init_keypad(void)
269 pxa_set_keypad_info(&littleton_keypad_info);
272 static inline void littleton_init_keypad(void) {}
275 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
276 static struct pxamci_platform_data littleton_mci_platform_data = {
277 .detect_delay_ms = 200,
278 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
281 static struct gpiod_lookup_table littleton_mci_gpio_table = {
282 .dev_id = "pxa2xx-mci.0",
284 /* Card detect on MFP (gpio-pxa) GPIO 15 */
285 GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO15,
286 "cd", GPIO_ACTIVE_LOW),
291 static void __init littleton_init_mmc(void)
293 gpiod_add_lookup_table(&littleton_mci_gpio_table);
294 pxa_set_mci_info(&littleton_mci_platform_data);
297 static inline void littleton_init_mmc(void) {}
300 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
301 static struct mtd_partition littleton_nand_partitions[] = {
303 .name = "Bootloader",
306 .mask_flags = MTD_WRITEABLE, /* force read-only */
312 .mask_flags = MTD_WRITEABLE, /* force read-only */
315 .name = "Filesystem",
317 .size = 0x3000000, /* 48M - rootfs */
320 .name = "MassStorage",
328 .mask_flags = MTD_WRITEABLE, /* force read-only */
330 /* NOTE: we reserve some blocks at the end of the NAND flash for
331 * bad block management, and the max number of relocation blocks
332 * differs on different platforms. Please take care with it when
333 * defining the partition table.
337 static struct pxa3xx_nand_platform_data littleton_nand_info = {
338 .parts = littleton_nand_partitions,
339 .nr_parts = ARRAY_SIZE(littleton_nand_partitions),
342 static void __init littleton_init_nand(void)
344 pxa3xx_set_nand_info(&littleton_nand_info);
347 static inline void littleton_init_nand(void) {}
348 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
350 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
351 static struct led_info littleton_da9034_leds[] = {
353 .name = "littleton:keypad1",
354 .flags = DA9034_LED_RAMP,
357 .name = "littleton:keypad2",
358 .flags = DA9034_LED_RAMP,
361 .name = "littleton:vibra",
366 static struct da9034_touch_pdata littleton_da9034_touch = {
371 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
373 .name = "da903x-led",
374 .id = DA9034_ID_LED_1,
375 .platform_data = &littleton_da9034_leds[0],
377 .name = "da903x-led",
378 .id = DA9034_ID_LED_2,
379 .platform_data = &littleton_da9034_leds[1],
381 .name = "da903x-led",
382 .id = DA9034_ID_VIBRA,
383 .platform_data = &littleton_da9034_leds[2],
385 .name = "da903x-backlight",
386 .id = DA9034_ID_WLED,
388 .name = "da9034-touch",
389 .id = DA9034_ID_TOUCH,
390 .platform_data = &littleton_da9034_touch,
394 static struct da903x_platform_data littleton_da9034_info = {
395 .num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs),
396 .subdevs = littleton_da9034_subdevs,
399 static struct max732x_platform_data littleton_max7320_info = {
400 .gpio_base = EXT0_GPIO_BASE,
403 static struct i2c_board_info littleton_i2c_info[] = {
407 .platform_data = &littleton_da9034_info,
408 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
413 .platform_data = &littleton_max7320_info,
417 static void __init littleton_init_i2c(void)
419 pxa_set_i2c_info(NULL);
420 i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
423 static inline void littleton_init_i2c(void) {}
424 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
426 static void __init littleton_init(void)
428 /* initialize MFP configurations */
429 pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
431 pxa_set_ffuart_info(NULL);
432 pxa_set_btuart_info(NULL);
433 pxa_set_stuart_info(NULL);
436 * Note: we depend bootloader set the correct
437 * value to MSC register for SMC91x.
439 platform_device_register(&smc91x_device);
441 littleton_init_spi();
442 littleton_init_i2c();
443 littleton_init_mmc();
444 littleton_init_lcd();
445 littleton_init_keypad();
446 littleton_init_nand();
449 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
450 .atag_offset = 0x100,
451 .map_io = pxa3xx_map_io,
452 .nr_irqs = LITTLETON_NR_IRQS,
453 .init_irq = pxa3xx_init_irq,
454 .handle_irq = pxa3xx_handle_irq,
455 .init_time = pxa_timer_init,
456 .init_machine = littleton_init,
457 .restart = pxa_restart,