2 * Hardware definitions for Palm Tungsten|E2
5 * Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
7 * Rewrite for mainline:
8 * Marek Vasut <marek.vasut@gmail.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
14 * (find more info at www.hackndev.com)
18 #include <linux/platform_device.h>
19 #include <linux/delay.h>
20 #include <linux/irq.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/input.h>
23 #include <linux/pda_power.h>
24 #include <linux/pwm_backlight.h>
25 #include <linux/gpio.h>
26 #include <linux/wm97xx.h>
27 #include <linux/power_supply.h>
28 #include <linux/usb/gpio_vbus.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
34 #include <mach/pxa25x.h>
35 #include <mach/audio.h>
36 #include <mach/palmte2.h>
37 #include <linux/platform_data/mmc-pxamci.h>
38 #include <linux/platform_data/video-pxafb.h>
39 #include <linux/platform_data/irda-pxaficp.h>
41 #include <linux/platform_data/asoc-palm27x.h>
46 /******************************************************************************
48 ******************************************************************************/
49 static unsigned long palmte2_pin_config[] __initdata = {
53 GPIO10_GPIO, /* SD detect */
54 GPIO55_GPIO, /* SD power */
55 GPIO51_GPIO, /* SD r/o switch */
59 GPIO29_AC97_SDATA_IN_0,
60 GPIO30_AC97_SDATA_OUT,
67 GPIO15_GPIO, /* usb detect */
68 GPIO53_GPIO, /* usb power */
71 GPIO48_GPIO, /* ir disable */
79 GPIO5_GPIO, /* notes */
80 GPIO7_GPIO, /* tasks */
81 GPIO11_GPIO, /* calendar */
82 GPIO13_GPIO, /* contacts */
83 GPIO14_GPIO, /* center */
84 GPIO19_GPIO, /* left */
85 GPIO20_GPIO, /* right */
86 GPIO21_GPIO, /* down */
90 GPIO1_RST, /* reset */
91 GPIO4_GPIO, /* Hotsync button */
92 GPIO9_GPIO, /* power detect */
93 GPIO15_GPIO, /* earphone detect */
94 GPIO37_GPIO, /* LCD power */
95 GPIO56_GPIO, /* Backlight power */
98 /******************************************************************************
99 * SD/MMC card controller
100 ******************************************************************************/
101 static struct pxamci_platform_data palmte2_mci_platform_data = {
102 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
103 .gpio_card_detect = GPIO_NR_PALMTE2_SD_DETECT_N,
104 .gpio_card_ro = GPIO_NR_PALMTE2_SD_READONLY,
105 .gpio_power = GPIO_NR_PALMTE2_SD_POWER,
108 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
109 /******************************************************************************
111 ******************************************************************************/
112 static struct gpio_keys_button palmte2_pxa_buttons[] = {
113 {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" },
114 {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" },
115 {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" },
116 {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" },
117 {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" },
118 {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" },
119 {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" },
120 {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" },
121 {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" },
124 static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
125 .buttons = palmte2_pxa_buttons,
126 .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons),
129 static struct platform_device palmte2_pxa_keys = {
133 .platform_data = &palmte2_pxa_keys_data,
138 /******************************************************************************
140 ******************************************************************************/
141 static struct gpio palmte_bl_gpios[] = {
142 { GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" },
143 { GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" },
146 static int palmte2_backlight_init(struct device *dev)
148 return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios));
151 static int palmte2_backlight_notify(struct device *dev, int brightness)
153 gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
154 gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
158 static void palmte2_backlight_exit(struct device *dev)
160 gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios));
163 static struct platform_pwm_backlight_data palmte2_backlight_data = {
165 .max_brightness = PALMTE2_MAX_INTENSITY,
166 .dft_brightness = PALMTE2_MAX_INTENSITY,
167 .pwm_period_ns = PALMTE2_PERIOD_NS,
169 .init = palmte2_backlight_init,
170 .notify = palmte2_backlight_notify,
171 .exit = palmte2_backlight_exit,
174 static struct platform_device palmte2_backlight = {
175 .name = "pwm-backlight",
177 .parent = &pxa25x_device_pwm0.dev,
178 .platform_data = &palmte2_backlight_data,
182 /******************************************************************************
184 ******************************************************************************/
185 static struct pxaficp_platform_data palmte2_ficp_platform_data = {
186 .gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE,
187 .transceiver_cap = IR_SIRMODE | IR_OFF,
190 /******************************************************************************
192 ******************************************************************************/
193 static struct gpio_vbus_mach_info palmte2_udc_info = {
194 .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N,
195 .gpio_vbus_inverted = 1,
196 .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP,
199 static struct platform_device palmte2_gpio_vbus = {
203 .platform_data = &palmte2_udc_info,
207 /******************************************************************************
209 ******************************************************************************/
210 static int power_supply_init(struct device *dev)
214 ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
217 ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
224 gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
229 static int palmte2_is_ac_online(void)
231 return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
234 static void power_supply_exit(struct device *dev)
236 gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
239 static char *palmte2_supplicants[] = {
243 static struct pda_power_pdata power_supply_info = {
244 .init = power_supply_init,
245 .is_ac_online = palmte2_is_ac_online,
246 .exit = power_supply_exit,
247 .supplied_to = palmte2_supplicants,
248 .num_supplicants = ARRAY_SIZE(palmte2_supplicants),
251 static struct platform_device power_supply = {
255 .platform_data = &power_supply_info,
259 /******************************************************************************
260 * WM97xx audio, battery
261 ******************************************************************************/
262 static struct wm97xx_batt_pdata palmte2_batt_pdata = {
263 .batt_aux = WM97XX_AUX_ID3,
264 .temp_aux = WM97XX_AUX_ID2,
266 .max_voltage = PALMTE2_BAT_MAX_VOLTAGE,
267 .min_voltage = PALMTE2_BAT_MIN_VOLTAGE,
272 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
273 .batt_name = "main-batt",
276 static struct wm97xx_pdata palmte2_wm97xx_pdata = {
277 .batt_pdata = &palmte2_batt_pdata,
280 static pxa2xx_audio_ops_t palmte2_ac97_pdata = {
281 .codec_pdata = { &palmte2_wm97xx_pdata, },
284 static struct palm27x_asoc_info palmte2_asoc_pdata = {
285 .jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT,
288 static struct platform_device palmte2_asoc = {
289 .name = "palm27x-asoc",
292 .platform_data = &palmte2_asoc_pdata,
296 /******************************************************************************
298 ******************************************************************************/
299 static struct pxafb_mode_info palmte2_lcd_modes[] = {
316 static struct pxafb_mach_info palmte2_lcd_screen = {
317 .modes = palmte2_lcd_modes,
318 .num_modes = ARRAY_SIZE(palmte2_lcd_modes),
319 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
322 /******************************************************************************
324 ******************************************************************************/
325 static struct platform_device *devices[] __initdata = {
326 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
335 /* setup udc GPIOs initial state */
336 static void __init palmte2_udc_init(void)
338 if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
339 gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
340 gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
344 static void __init palmte2_init(void)
346 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
348 pxa_set_ffuart_info(NULL);
349 pxa_set_btuart_info(NULL);
350 pxa_set_stuart_info(NULL);
352 pxa_set_fb_info(NULL, &palmte2_lcd_screen);
353 pxa_set_mci_info(&palmte2_mci_platform_data);
355 pxa_set_ac97_info(&palmte2_ac97_pdata);
356 pxa_set_ficp_info(&palmte2_ficp_platform_data);
358 platform_add_devices(devices, ARRAY_SIZE(devices));
361 MACHINE_START(PALMTE2, "Palm Tungsten|E2")
362 .atag_offset = 0x100,
363 .map_io = pxa25x_map_io,
364 .nr_irqs = PXA_NR_IRQS,
365 .init_irq = pxa25x_init_irq,
366 .handle_irq = pxa25x_handle_irq,
367 .init_time = pxa_timer_init,
368 .init_machine = palmte2_init,
369 .restart = pxa_restart,