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Tony Lindgren9b6553c2006-04-02 17:46:30 +01001/*
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 */
Russell King2f8163b2011-07-26 10:53:52 +010010#include <linux/gpio.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010011#include <linux/kernel.h>
12#include <linux/init.h>
Matthias Kaehlcked41d2192008-06-09 16:24:08 -070013#include <linux/mutex.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010014#include <linux/platform_device.h>
15#include <linux/input.h>
16#include <linux/clk.h>
Tomi Valkeinen91773a02009-08-03 15:06:36 +030017#include <linux/omapfb.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010018
19#include <linux/spi/spi.h>
20#include <linux/spi/ads7846.h>
Dirk Behme19350612007-01-25 16:29:42 -080021#include <linux/workqueue.h>
22#include <linux/delay.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010023
Tony Lindgren9b6553c2006-04-02 17:46:30 +010024#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
Tony Lindgrence491cf2009-10-20 09:40:47 -070028#include <plat/mux.h>
29#include <plat/usb.h>
30#include <plat/board.h>
31#include <plat/keypad.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070032#include <plat/hwa742.h>
33#include <plat/lcd_mipid.h>
34#include <plat/mmc.h>
35#include <plat/clock.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010036
Tony Lindgren2e3ee9f2012-02-24 10:34:34 -080037#include <mach/hardware.h>
38
39#include "common.h"
40
Imre Deak06767fb2007-03-06 18:20:00 +020041#define ADS7846_PENDOWN_GPIO 15
42
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000043static const unsigned int nokia770_keymap[] = {
44 KEY(1, 0, GROUP_0 | KEY_UP),
45 KEY(2, 0, GROUP_1 | KEY_F5),
46 KEY(0, 1, GROUP_0 | KEY_LEFT),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010047 KEY(1, 1, GROUP_0 | KEY_ENTER),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000048 KEY(2, 1, GROUP_0 | KEY_RIGHT),
49 KEY(0, 2, GROUP_1 | KEY_ESC),
50 KEY(1, 2, GROUP_0 | KEY_DOWN),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010051 KEY(2, 2, GROUP_1 | KEY_F4),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000052 KEY(0, 3, GROUP_2 | KEY_F7),
53 KEY(1, 3, GROUP_2 | KEY_F8),
54 KEY(2, 3, GROUP_2 | KEY_F6),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010055};
56
57static struct resource nokia770_kp_resources[] = {
58 [0] = {
59 .start = INT_KEYBOARD,
60 .end = INT_KEYBOARD,
61 .flags = IORESOURCE_IRQ,
62 },
63};
64
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000065static const struct matrix_keymap_data nokia770_keymap_data = {
66 .keymap = nokia770_keymap,
67 .keymap_size = ARRAY_SIZE(nokia770_keymap),
68};
69
Tony Lindgren9b6553c2006-04-02 17:46:30 +010070static struct omap_kp_platform_data nokia770_kp_data = {
Komal Shah4d246072006-09-29 01:59:20 -070071 .rows = 8,
72 .cols = 8,
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000073 .keymap_data = &nokia770_keymap_data,
Komal Shah4d246072006-09-29 01:59:20 -070074 .delay = 4,
Tony Lindgren9b6553c2006-04-02 17:46:30 +010075};
76
77static struct platform_device nokia770_kp_device = {
78 .name = "omap-keypad",
79 .id = -1,
80 .dev = {
81 .platform_data = &nokia770_kp_data,
82 },
83 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
84 .resource = nokia770_kp_resources,
85};
86
87static struct platform_device *nokia770_devices[] __initdata = {
Tony Lindgrena5246262006-12-07 13:58:17 -080088 &nokia770_kp_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +010089};
90
Imre Deak06767fb2007-03-06 18:20:00 +020091static void mipid_shutdown(struct mipid_platform_data *pdata)
92{
93 if (pdata->nreset_gpio != -1) {
94 printk(KERN_INFO "shutdown LCD\n");
David Brownell0b84b5c2008-12-10 17:35:25 -080095 gpio_set_value(pdata->nreset_gpio, 0);
Imre Deak06767fb2007-03-06 18:20:00 +020096 msleep(120);
97 }
98}
99
100static struct mipid_platform_data nokia770_mipid_platform_data = {
101 .shutdown = mipid_shutdown,
102};
103
Uwe Kleine-König29ab3c72011-02-09 21:40:07 +0100104static void __init mipid_dev_init(void)
Imre Deak06767fb2007-03-06 18:20:00 +0200105{
106 const struct omap_lcd_config *conf;
107
108 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
109 if (conf != NULL) {
110 nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
111 nokia770_mipid_platform_data.data_lines = conf->data_lines;
112 }
113}
114
Uwe Kleine-König29ab3c72011-02-09 21:40:07 +0100115static void __init ads7846_dev_init(void)
Imre Deak06767fb2007-03-06 18:20:00 +0200116{
Jarkko Nikulaf2d18fe2008-12-10 17:35:30 -0800117 if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
Imre Deak06767fb2007-03-06 18:20:00 +0200118 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
119}
120
121static int ads7846_get_pendown_state(void)
122{
David Brownell0b84b5c2008-12-10 17:35:25 -0800123 return !gpio_get_value(ADS7846_PENDOWN_GPIO);
Imre Deak06767fb2007-03-06 18:20:00 +0200124}
125
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100126static 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,
Imre Deak06767fb2007-03-06 18:20:00 +0200133 .debounce_rep = 1,
134 .get_pendown_state = ads7846_get_pendown_state,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100135};
136
137static struct spi_board_info nokia770_spi_board_info[] __initdata = {
138 [0] = {
Tony Lindgrena5246262006-12-07 13:58:17 -0800139 .modalias = "lcd_mipid",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100140 .bus_num = 2,
141 .chip_select = 3,
142 .max_speed_hz = 12000000,
Imre Deak06767fb2007-03-06 18:20:00 +0200143 .platform_data = &nokia770_mipid_platform_data,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100144 },
145 [1] = {
146 .modalias = "ads7846",
147 .bus_num = 2,
148 .chip_select = 0,
149 .max_speed_hz = 2500000,
150 .irq = OMAP_GPIO_IRQ(15),
151 .platform_data = &nokia770_ads7846_platform_data,
152 },
153};
154
Andrew de Quincey088962c2009-05-28 14:03:31 -0700155static struct hwa742_platform_data nokia770_hwa742_platform_data = {
156 .te_connected = 1,
157};
158
Uwe Kleine-König29ab3c72011-02-09 21:40:07 +0100159static void __init hwa742_dev_init(void)
Andrew de Quincey088962c2009-05-28 14:03:31 -0700160{
161 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
162 omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
163}
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100164
165/* assume no Mini-AB port */
166
167static struct omap_usb_config nokia770_usb_config __initdata = {
168 .otg = 1,
169 .register_host = 1,
170 .register_dev = 1,
171 .hmc_mode = 16,
172 .pins[0] = 6,
173};
174
Tony Lindgrend8874662008-12-10 17:37:16 -0800175#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
176
177#define NOKIA770_GPIO_MMC_POWER 41
178#define NOKIA770_GPIO_MMC_SWITCH 23
179
180static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
181 int vdd)
182{
Ladislav Michlbac5b292009-04-23 11:10:48 -0700183 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
Tony Lindgrend8874662008-12-10 17:37:16 -0800184 return 0;
185}
186
187static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
188{
189 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
190}
191
192static struct omap_mmc_platform_data nokia770_mmc2_data = {
193 .nr_slots = 1,
194 .dma_mask = 0xffffffff,
Andrew de Quinceye4d24ec2009-06-23 13:30:21 +0300195 .max_freq = 12000000,
Tony Lindgrend8874662008-12-10 17:37:16 -0800196 .slots[0] = {
197 .set_power = nokia770_mmc_set_power,
198 .get_cover_state = nokia770_mmc_get_cover_state,
Andrew de Quinceye4d24ec2009-06-23 13:30:21 +0300199 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
Tony Lindgrend8874662008-12-10 17:37:16 -0800200 .name = "mmcblk",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100201 },
202};
203
Tony Lindgrend8874662008-12-10 17:37:16 -0800204static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
205
206static void __init nokia770_mmc_init(void)
207{
208 int ret;
209
210 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
211 if (ret < 0)
212 return;
213 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
214
215 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
216 if (ret < 0) {
217 gpio_free(NOKIA770_GPIO_MMC_POWER);
218 return;
219 }
220 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
221
222 /* Only the second MMC controller is used */
223 nokia770_mmc_data[1] = &nokia770_mmc2_data;
224 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
225}
226
227#else
228static inline void nokia770_mmc_init(void)
229{
230}
231#endif
232
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100233static void __init omap_nokia770_init(void)
234{
Tony Lindgren7b88e622011-10-05 15:14:02 -0700235 /* On Nokia 770, the SleepX signal is masked with an
236 * MPUIO line by default. It has to be unmasked for it
237 * to become functional */
238
239 /* SleepX mask direction */
240 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
241 /* Unmask SleepX signal */
242 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
243
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100244 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
245 spi_register_board_info(nokia770_spi_board_info,
246 ARRAY_SIZE(nokia770_spi_board_info));
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100247 omap_serial_init();
Jarkko Nikula1ed16a82007-11-07 06:54:32 +0200248 omap_register_i2c_bus(1, 100, NULL, 0);
Andrew de Quincey088962c2009-05-28 14:03:31 -0700249 hwa742_dev_init();
Imre Deak06767fb2007-03-06 18:20:00 +0200250 ads7846_dev_init();
251 mipid_dev_init();
Tony Lindgrendd0cdd82010-07-05 16:31:30 +0300252 omap1_usb_init(&nokia770_usb_config);
Tony Lindgrend8874662008-12-10 17:37:16 -0800253 nokia770_mmc_init();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100254}
255
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100256MACHINE_START(NOKIA770, "Nokia 770")
Nicolas Pitre246e3892011-07-05 22:38:15 -0400257 .atag_offset = 0x100,
Tony Lindgren7b88e622011-10-05 15:14:02 -0700258 .map_io = omap16xx_map_io,
259 .init_early = omap1_init_early,
Russell King71ee7da2010-05-23 10:18:16 +0100260 .reserve = omap_reserve,
Tony Lindgren7b88e622011-10-05 15:14:02 -0700261 .init_irq = omap1_init_irq,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100262 .init_machine = omap_nokia770_init,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700263 .timer = &omap1_timer,
Russell Kingbaa95882011-11-05 17:06:28 +0000264 .restart = omap1_restart,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100265MACHINE_END