2 * linux/arch/arm/mach-omap1/board-nokia770.c
4 * Modified from board-generic.c
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 #include <linux/gpio.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/mutex.h>
14 #include <linux/platform_device.h>
15 #include <linux/input.h>
16 #include <linux/clk.h>
17 #include <linux/omapfb.h>
19 #include <linux/spi/spi.h>
20 #include <linux/spi/ads7846.h>
21 #include <linux/workqueue.h>
22 #include <linux/delay.h>
24 #include <linux/platform_data/keypad-omap.h>
25 #include <linux/platform_data/lcd-mipid.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
33 #include <mach/hardware.h>
40 #define ADS7846_PENDOWN_GPIO 15
42 static const unsigned int nokia770_keymap[] = {
43 KEY(1, 0, GROUP_0 | KEY_UP),
44 KEY(2, 0, GROUP_1 | KEY_F5),
45 KEY(0, 1, GROUP_0 | KEY_LEFT),
46 KEY(1, 1, GROUP_0 | KEY_ENTER),
47 KEY(2, 1, GROUP_0 | KEY_RIGHT),
48 KEY(0, 2, GROUP_1 | KEY_ESC),
49 KEY(1, 2, GROUP_0 | KEY_DOWN),
50 KEY(2, 2, GROUP_1 | KEY_F4),
51 KEY(0, 3, GROUP_2 | KEY_F7),
52 KEY(1, 3, GROUP_2 | KEY_F8),
53 KEY(2, 3, GROUP_2 | KEY_F6),
56 static struct resource nokia770_kp_resources[] = {
58 .start = INT_KEYBOARD,
60 .flags = IORESOURCE_IRQ,
64 static const struct matrix_keymap_data nokia770_keymap_data = {
65 .keymap = nokia770_keymap,
66 .keymap_size = ARRAY_SIZE(nokia770_keymap),
69 static struct omap_kp_platform_data nokia770_kp_data = {
72 .keymap_data = &nokia770_keymap_data,
76 static struct platform_device nokia770_kp_device = {
77 .name = "omap-keypad",
80 .platform_data = &nokia770_kp_data,
82 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
83 .resource = nokia770_kp_resources,
86 static struct platform_device *nokia770_devices[] __initdata = {
90 static void mipid_shutdown(struct mipid_platform_data *pdata)
92 if (pdata->nreset_gpio != -1) {
93 printk(KERN_INFO "shutdown LCD\n");
94 gpio_set_value(pdata->nreset_gpio, 0);
99 static struct mipid_platform_data nokia770_mipid_platform_data = {
100 .shutdown = mipid_shutdown,
103 static struct omap_lcd_config nokia770_lcd_config __initdata = {
104 .ctrl_name = "hwa742",
107 static void __init mipid_dev_init(void)
109 nokia770_mipid_platform_data.nreset_gpio = 13;
110 nokia770_mipid_platform_data.data_lines = 16;
112 omapfb_set_lcd_config(&nokia770_lcd_config);
115 static void __init ads7846_dev_init(void)
117 if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
118 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
121 static int ads7846_get_pendown_state(void)
123 return !gpio_get_value(ADS7846_PENDOWN_GPIO);
126 static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
134 .get_pendown_state = ads7846_get_pendown_state,
137 static struct spi_board_info nokia770_spi_board_info[] __initdata = {
139 .modalias = "lcd_mipid",
142 .max_speed_hz = 12000000,
143 .platform_data = &nokia770_mipid_platform_data,
146 .modalias = "ads7846",
149 .max_speed_hz = 2500000,
150 .platform_data = &nokia770_ads7846_platform_data,
154 static void __init hwa742_dev_init(void)
156 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
159 /* assume no Mini-AB port */
161 static struct omap_usb_config nokia770_usb_config __initdata = {
169 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
171 #define NOKIA770_GPIO_MMC_POWER 41
172 #define NOKIA770_GPIO_MMC_SWITCH 23
174 static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
177 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
181 static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
183 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
186 static struct omap_mmc_platform_data nokia770_mmc2_data = {
188 .max_freq = 12000000,
190 .set_power = nokia770_mmc_set_power,
191 .get_cover_state = nokia770_mmc_get_cover_state,
192 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
197 static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
199 static void __init nokia770_mmc_init(void)
203 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
206 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
208 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
210 gpio_free(NOKIA770_GPIO_MMC_POWER);
213 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
215 /* Only the second MMC controller is used */
216 nokia770_mmc_data[1] = &nokia770_mmc2_data;
217 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
221 static inline void nokia770_mmc_init(void)
226 static void __init omap_nokia770_init(void)
228 /* On Nokia 770, the SleepX signal is masked with an
229 * MPUIO line by default. It has to be unmasked for it
230 * to become functional */
232 /* SleepX mask direction */
233 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
234 /* Unmask SleepX signal */
235 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
237 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
238 nokia770_spi_board_info[1].irq = gpio_to_irq(15);
239 spi_register_board_info(nokia770_spi_board_info,
240 ARRAY_SIZE(nokia770_spi_board_info));
242 omap_register_i2c_bus(1, 100, NULL, 0);
246 omap1_usb_init(&nokia770_usb_config);
250 MACHINE_START(NOKIA770, "Nokia 770")
251 .atag_offset = 0x100,
252 .map_io = omap16xx_map_io,
253 .init_early = omap1_init_early,
254 .init_irq = omap1_init_irq,
255 .init_machine = omap_nokia770_init,
256 .init_late = omap1_init_late,
257 .timer = &omap1_timer,
258 .restart = omap1_restart,