2 * linux/arch/arm/mach-omap1/board-palmtt.c
4 * Modified from board-palmtt2.c
6 * Modified and amended for Palm Tungsten|T
7 * by Marek Vasut <marek.vasut@gmail.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/delay.h>
15 #include <linux/gpio.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/notifier.h>
20 #include <linux/clk.h>
21 #include <linux/input.h>
22 #include <linux/interrupt.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/leds.h>
27 #include <linux/omapfb.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
36 #include <plat/flash.h>
41 #include <plat/board.h>
42 #include <plat/irda.h>
43 #include <plat/keypad.h>
45 #include <mach/hardware.h>
49 #define PALMTT_USBDETECT_GPIO 0
50 #define PALMTT_CABLE_GPIO 1
51 #define PALMTT_LED_GPIO 3
52 #define PALMTT_PENIRQ_GPIO 6
53 #define PALMTT_MMC_WP_GPIO 8
54 #define PALMTT_HDQ_GPIO 11
56 static const unsigned int palmtt_keymap[] = {
59 KEY(2, 0, KEY_LEFTCTRL),
70 static struct mtd_partition palmtt_partitions[] = {
78 .name = "PalmOS-BootLoader(ro)",
81 .mask_flags = MTD_WRITEABLE,
85 .offset = MTDPART_OFS_APPEND,
90 .name = "PalmOS-FS(ro)",
91 .offset = MTDPART_OFS_APPEND,
92 .size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
93 .mask_flags = MTD_WRITEABLE,
96 .name = "u-boot(rez)",
97 .offset = MTDPART_OFS_APPEND,
103 .offset = MTDPART_OFS_APPEND,
104 .size = MTDPART_SIZ_FULL,
109 static struct physmap_flash_data palmtt_flash_data = {
111 .set_vpp = omap1_set_vpp,
112 .parts = palmtt_partitions,
113 .nr_parts = ARRAY_SIZE(palmtt_partitions),
116 static struct resource palmtt_flash_resource = {
117 .start = OMAP_CS0_PHYS,
118 .end = OMAP_CS0_PHYS + SZ_8M - 1,
119 .flags = IORESOURCE_MEM,
122 static struct platform_device palmtt_flash_device = {
123 .name = "physmap-flash",
126 .platform_data = &palmtt_flash_data,
129 .resource = &palmtt_flash_resource,
132 static struct resource palmtt_kp_resources[] = {
134 .start = INT_KEYBOARD,
136 .flags = IORESOURCE_IRQ,
140 static const struct matrix_keymap_data palmtt_keymap_data = {
141 .keymap = palmtt_keymap,
142 .keymap_size = ARRAY_SIZE(palmtt_keymap),
145 static struct omap_kp_platform_data palmtt_kp_data = {
148 .keymap_data = &palmtt_keymap_data,
151 static struct platform_device palmtt_kp_device = {
152 .name = "omap-keypad",
155 .platform_data = &palmtt_kp_data,
157 .num_resources = ARRAY_SIZE(palmtt_kp_resources),
158 .resource = palmtt_kp_resources,
161 static struct platform_device palmtt_lcd_device = {
162 .name = "lcd_palmtt",
165 static struct omap_irda_config palmtt_irda_config = {
166 .transceiver_cap = IR_SIRMODE,
167 .rx_channel = OMAP_DMA_UART3_RX,
168 .tx_channel = OMAP_DMA_UART3_TX,
169 .dest_start = UART3_THR,
170 .src_start = UART3_RHR,
175 static struct resource palmtt_irda_resources[] = {
179 .flags = IORESOURCE_IRQ,
183 static struct platform_device palmtt_irda_device = {
187 .platform_data = &palmtt_irda_config,
189 .num_resources = ARRAY_SIZE(palmtt_irda_resources),
190 .resource = palmtt_irda_resources,
193 static struct platform_device palmtt_spi_device = {
194 .name = "spi_palmtt",
198 static struct omap_backlight_config palmtt_backlight_config = {
199 .default_intensity = 0xa0,
202 static struct platform_device palmtt_backlight_device = {
206 .platform_data= &palmtt_backlight_config,
210 static struct omap_led_config palmtt_led_config[] = {
213 .name = "palmtt:led0",
215 .gpio = PALMTT_LED_GPIO,
219 static struct omap_led_platform_data palmtt_led_data = {
220 .nr_leds = ARRAY_SIZE(palmtt_led_config),
221 .leds = palmtt_led_config,
224 static struct platform_device palmtt_led_device = {
228 .platform_data = &palmtt_led_data,
232 static struct platform_device *palmtt_devices[] __initdata = {
233 &palmtt_flash_device,
238 &palmtt_backlight_device,
242 static int palmtt_get_pendown_state(void)
244 return !gpio_get_value(6);
247 static const struct ads7846_platform_data palmtt_ts_info = {
249 .vref_delay_usecs = 100, /* internal, no capacitor */
252 .get_pendown_state = palmtt_get_pendown_state,
255 static struct spi_board_info __initdata palmtt_boardinfo[] = {
257 /* MicroWire (bus 2) CS0 has an ads7846e */
258 .modalias = "ads7846",
259 .platform_data = &palmtt_ts_info,
260 .max_speed_hz = 120000 /* max sample rate at 3V */
261 * 26 /* command + data + overhead */,
267 static struct omap_usb_config palmtt_usb_config __initdata = {
273 static struct omap_lcd_config palmtt_lcd_config __initdata = {
274 .ctrl_name = "internal",
277 static void __init omap_mpu_wdt_mode(int mode) {
279 omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
281 omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
282 omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
286 static void __init omap_palmtt_init(void)
288 /* mux pins for uarts */
289 omap_cfg_reg(UART1_TX);
290 omap_cfg_reg(UART1_RTS);
291 omap_cfg_reg(UART2_TX);
292 omap_cfg_reg(UART2_RTS);
293 omap_cfg_reg(UART3_TX);
294 omap_cfg_reg(UART3_RX);
296 omap_mpu_wdt_mode(0);
298 platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
300 palmtt_boardinfo[0].irq = gpio_to_irq(6);
301 spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
303 omap1_usb_init(&palmtt_usb_config);
304 omap_register_i2c_bus(1, 100, NULL, 0);
306 omapfb_set_lcd_config(&palmtt_lcd_config);
309 MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
310 .atag_offset = 0x100,
311 .map_io = omap15xx_map_io,
312 .init_early = omap1_init_early,
313 .reserve = omap_reserve,
314 .init_irq = omap1_init_irq,
315 .init_machine = omap_palmtt_init,
316 .timer = &omap1_timer,
317 .restart = omap1_restart,