1/*
2 * linux/arch/arm/mach-omap1/board-nokia770.c
3 *
4 * Modified from board-generic.c
5 *
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.
9 */
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>
18
19#include <linux/spi/spi.h>
20#include <linux/spi/ads7846.h>
21#include <linux/workqueue.h>
22#include <linux/delay.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <plat/mux.h>
29#include <plat/usb.h>
30#include <plat/board.h>
31#include <plat/keypad.h>
32#include <plat/lcd_mipid.h>
33#include <plat/mmc.h>
34#include <plat/clock.h>
35
36#include <mach/hardware.h>
37
38#include "common.h"
39
40#define ADS7846_PENDOWN_GPIO	15
41
42static 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),
54};
55
56static struct resource nokia770_kp_resources[] = {
57	[0] = {
58		.start	= INT_KEYBOARD,
59		.end	= INT_KEYBOARD,
60		.flags	= IORESOURCE_IRQ,
61	},
62};
63
64static const struct matrix_keymap_data nokia770_keymap_data = {
65	.keymap		= nokia770_keymap,
66	.keymap_size	= ARRAY_SIZE(nokia770_keymap),
67};
68
69static struct omap_kp_platform_data nokia770_kp_data = {
70	.rows		= 8,
71	.cols		= 8,
72	.keymap_data	= &nokia770_keymap_data,
73	.delay		= 4,
74};
75
76static struct platform_device nokia770_kp_device = {
77	.name		= "omap-keypad",
78	.id		= -1,
79	.dev		= {
80		.platform_data = &nokia770_kp_data,
81	},
82	.num_resources	= ARRAY_SIZE(nokia770_kp_resources),
83	.resource	= nokia770_kp_resources,
84};
85
86static struct platform_device *nokia770_devices[] __initdata = {
87	&nokia770_kp_device,
88};
89
90static void mipid_shutdown(struct mipid_platform_data *pdata)
91{
92	if (pdata->nreset_gpio != -1) {
93		printk(KERN_INFO "shutdown LCD\n");
94		gpio_set_value(pdata->nreset_gpio, 0);
95		msleep(120);
96	}
97}
98
99static struct mipid_platform_data nokia770_mipid_platform_data = {
100	.shutdown = mipid_shutdown,
101};
102
103static struct omap_lcd_config nokia770_lcd_config __initdata = {
104	.ctrl_name	= "hwa742",
105};
106
107static void __init mipid_dev_init(void)
108{
109	nokia770_mipid_platform_data.nreset_gpio = 13;
110	nokia770_mipid_platform_data.data_lines = 16;
111
112	omapfb_set_lcd_config(&nokia770_lcd_config);
113}
114
115static void __init ads7846_dev_init(void)
116{
117	if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
118		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
119}
120
121static int ads7846_get_pendown_state(void)
122{
123	return !gpio_get_value(ADS7846_PENDOWN_GPIO);
124}
125
126static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
127	.x_max		= 0x0fff,
128	.y_max		= 0x0fff,
129	.x_plate_ohms	= 180,
130	.pressure_max	= 255,
131	.debounce_max	= 10,
132	.debounce_tol	= 3,
133	.debounce_rep	= 1,
134	.get_pendown_state	= ads7846_get_pendown_state,
135};
136
137static struct spi_board_info nokia770_spi_board_info[] __initdata = {
138	[0] = {
139		.modalias       = "lcd_mipid",
140		.bus_num        = 2,
141		.chip_select    = 3,
142		.max_speed_hz   = 12000000,
143		.platform_data	= &nokia770_mipid_platform_data,
144	},
145	[1] = {
146		.modalias       = "ads7846",
147		.bus_num        = 2,
148		.chip_select    = 0,
149		.max_speed_hz   = 2500000,
150		.platform_data	= &nokia770_ads7846_platform_data,
151	},
152};
153
154static void __init hwa742_dev_init(void)
155{
156	clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
157}
158
159/* assume no Mini-AB port */
160
161static struct omap_usb_config nokia770_usb_config __initdata = {
162	.otg		= 1,
163	.register_host	= 1,
164	.register_dev	= 1,
165	.hmc_mode	= 16,
166	.pins[0]	= 6,
167};
168
169#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
170
171#define NOKIA770_GPIO_MMC_POWER		41
172#define NOKIA770_GPIO_MMC_SWITCH	23
173
174static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
175				int vdd)
176{
177	gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
178	return 0;
179}
180
181static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
182{
183	return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
184}
185
186static struct omap_mmc_platform_data nokia770_mmc2_data = {
187	.nr_slots                       = 1,
188	.dma_mask			= 0xffffffff,
189	.max_freq                       = 12000000,
190	.slots[0]       = {
191		.set_power		= nokia770_mmc_set_power,
192		.get_cover_state	= nokia770_mmc_get_cover_state,
193		.ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
194		.name                   = "mmcblk",
195	},
196};
197
198static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
199
200static void __init nokia770_mmc_init(void)
201{
202	int ret;
203
204	ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
205	if (ret < 0)
206		return;
207	gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
208
209	ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
210	if (ret < 0) {
211		gpio_free(NOKIA770_GPIO_MMC_POWER);
212		return;
213	}
214	gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
215
216	/* Only the second MMC controller is used */
217	nokia770_mmc_data[1] = &nokia770_mmc2_data;
218	omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
219}
220
221#else
222static inline void nokia770_mmc_init(void)
223{
224}
225#endif
226
227static void __init omap_nokia770_init(void)
228{
229	/* On Nokia 770, the SleepX signal is masked with an
230	 * MPUIO line by default.  It has to be unmasked for it
231	 * to become functional */
232
233	/* SleepX mask direction */
234	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
235	/* Unmask SleepX signal */
236	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
237
238	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
239	nokia770_spi_board_info[1].irq = gpio_to_irq(15);
240	spi_register_board_info(nokia770_spi_board_info,
241				ARRAY_SIZE(nokia770_spi_board_info));
242	omap_serial_init();
243	omap_register_i2c_bus(1, 100, NULL, 0);
244	hwa742_dev_init();
245	ads7846_dev_init();
246	mipid_dev_init();
247	omap1_usb_init(&nokia770_usb_config);
248	nokia770_mmc_init();
249}
250
251MACHINE_START(NOKIA770, "Nokia 770")
252	.atag_offset	= 0x100,
253	.map_io		= omap16xx_map_io,
254	.init_early     = omap1_init_early,
255	.reserve	= omap_reserve,
256	.init_irq	= omap1_init_irq,
257	.init_machine	= omap_nokia770_init,
258	.timer		= &omap1_timer,
259	.restart	= omap1_restart,
260MACHINE_END
261