1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-pxa/littleton.c
5 * Support for the Marvell Littleton Development Platform.
7 * Author: Jason Chagas (largely modified code)
8 * Created: Nov 20, 2006
9 * Copyright: (C) Copyright 2006 Marvell International Ltd.
11 * 2007-11-22 modified to align with latest kernel
12 * eric miao <eric.miao@marvell.com>
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>
30 #include <asm/types.h>
31 #include <asm/setup.h>
32 #include <asm/memory.h>
33 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.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>
50 /* Littleton MFP configurations */
51 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
79 GPIO17_GPIO, /* SFRM as chip-select */
106 GPIO15_GPIO, /* card detect */
115 static struct resource smc91x_resources[] = {
117 .start = (LITTLETON_ETH_PHYS + 0x300),
118 .end = (LITTLETON_ETH_PHYS + 0xfffff),
119 .flags = IORESOURCE_MEM,
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,
128 static struct smc91x_platdata littleton_smc91x_info = {
129 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
130 SMC91X_NOWAIT | SMC91X_USE_DMA,
133 static struct platform_device smc91x_device = {
136 .num_resources = ARRAY_SIZE(smc91x_resources),
137 .resource = smc91x_resources,
139 .platform_data = &littleton_smc91x_info,
143 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
144 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
175 static struct pxafb_mach_info littleton_lcd_info = {
176 .modes = tpo_tdo24mtea1_modes,
178 .lcd_conn = LCD_COLOR_TFT_16BPP,
181 static void __init littleton_init_lcd(void)
183 pxa_set_fb_info(NULL, &littleton_lcd_info);
186 static inline void littleton_init_lcd(void) {};
187 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
189 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
190 static struct pxa2xx_spi_controller littleton_spi_info = {
194 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
199 static struct spi_board_info littleton_spi_devices[] __initdata = {
201 .modalias = "tdo24m",
202 .max_speed_hz = 1000000,
205 .controller_data= &littleton_tdo24m_chip,
209 static struct gpiod_lookup_table littleton_spi_gpio_table = {
212 GPIO_LOOKUP_IDX("gpio-pxa", LITTLETON_GPIO_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
217 static void __init littleton_init_spi(void)
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));
224 static inline void littleton_init_spi(void) {}
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),
234 KEY(0, 3, KEY_KPASTERISK), /* * */
235 KEY(2, 3, KEY_KPDOT), /* # */
237 KEY(5, 4, KEY_ENTER),
242 KEY(5, 3, KEY_RIGHT),
248 KEY(4, 2, KEY_VOLUMEUP),
249 KEY(4, 3, KEY_VOLUMEDOWN),
251 KEY(3, 0, KEY_F22), /* soft1 */
252 KEY(3, 1, KEY_F23), /* soft2 */
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),
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,
266 .rotary0_up_key = KEY_UP,
267 .rotary0_down_key = KEY_DOWN,
269 .debounce_interval = 30,
271 static void __init littleton_init_keypad(void)
273 pxa_set_keypad_info(&littleton_keypad_info);
276 static inline void littleton_init_keypad(void) {}
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,
285 static struct gpiod_lookup_table littleton_mci_gpio_table = {
286 .dev_id = "pxa2xx-mci.0",
288 /* Card detect on MFP (gpio-pxa) GPIO 15 */
289 GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO15,
290 "cd", GPIO_ACTIVE_LOW),
295 static void __init littleton_init_mmc(void)
297 gpiod_add_lookup_table(&littleton_mci_gpio_table);
298 pxa_set_mci_info(&littleton_mci_platform_data);
301 static inline void littleton_init_mmc(void) {}
304 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
305 static struct mtd_partition littleton_nand_partitions[] = {
307 .name = "Bootloader",
310 .mask_flags = MTD_WRITEABLE, /* force read-only */
316 .mask_flags = MTD_WRITEABLE, /* force read-only */
319 .name = "Filesystem",
321 .size = 0x3000000, /* 48M - rootfs */
324 .name = "MassStorage",
332 .mask_flags = MTD_WRITEABLE, /* force read-only */
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.
341 static struct pxa3xx_nand_platform_data littleton_nand_info = {
342 .parts = littleton_nand_partitions,
343 .nr_parts = ARRAY_SIZE(littleton_nand_partitions),
346 static void __init littleton_init_nand(void)
348 pxa3xx_set_nand_info(&littleton_nand_info);
351 static inline void littleton_init_nand(void) {}
352 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
354 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
355 static struct led_info littleton_da9034_leds[] = {
357 .name = "littleton:keypad1",
358 .flags = DA9034_LED_RAMP,
361 .name = "littleton:keypad2",
362 .flags = DA9034_LED_RAMP,
365 .name = "littleton:vibra",
370 static struct da9034_touch_pdata littleton_da9034_touch = {
375 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
377 .name = "da903x-led",
378 .id = DA9034_ID_LED_1,
379 .platform_data = &littleton_da9034_leds[0],
381 .name = "da903x-led",
382 .id = DA9034_ID_LED_2,
383 .platform_data = &littleton_da9034_leds[1],
385 .name = "da903x-led",
386 .id = DA9034_ID_VIBRA,
387 .platform_data = &littleton_da9034_leds[2],
389 .name = "da903x-backlight",
390 .id = DA9034_ID_WLED,
392 .name = "da9034-touch",
393 .id = DA9034_ID_TOUCH,
394 .platform_data = &littleton_da9034_touch,
398 static struct da903x_platform_data littleton_da9034_info = {
399 .num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs),
400 .subdevs = littleton_da9034_subdevs,
403 static struct max732x_platform_data littleton_max7320_info = {
404 .gpio_base = EXT0_GPIO_BASE,
407 static struct i2c_board_info littleton_i2c_info[] = {
411 .platform_data = &littleton_da9034_info,
412 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
417 .platform_data = &littleton_max7320_info,
421 static void __init littleton_init_i2c(void)
423 pxa_set_i2c_info(NULL);
424 i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
427 static inline void littleton_init_i2c(void) {}
428 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
430 static void __init littleton_init(void)
432 /* initialize MFP configurations */
433 pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
435 pxa_set_ffuart_info(NULL);
436 pxa_set_btuart_info(NULL);
437 pxa_set_stuart_info(NULL);
440 * Note: we depend bootloader set the correct
441 * value to MSC register for SMC91x.
443 platform_device_register(&smc91x_device);
445 littleton_init_spi();
446 littleton_init_i2c();
447 littleton_init_mmc();
448 littleton_init_lcd();
449 littleton_init_keypad();
450 littleton_init_nand();
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,