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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
Russell Kinga09e64f2008-08-05 16:14:15 +010024#include <mach/hardware.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010025#include <asm/mach-types.h>
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28
Tony Lindgrence491cf2009-10-20 09:40:47 -070029#include <plat/mux.h>
30#include <plat/usb.h>
31#include <plat/board.h>
32#include <plat/keypad.h>
Tony Lindgren4e653312011-11-10 22:45:17 +010033#include "common.h"
Tony Lindgrence491cf2009-10-20 09:40:47 -070034#include <plat/hwa742.h>
35#include <plat/lcd_mipid.h>
36#include <plat/mmc.h>
37#include <plat/clock.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010038
Imre Deak06767fb2007-03-06 18:20:00 +020039#define ADS7846_PENDOWN_GPIO 15
40
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000041static const unsigned int nokia770_keymap[] = {
42 KEY(1, 0, GROUP_0 | KEY_UP),
43 KEY(2, 0, GROUP_1 | KEY_F5),
44 KEY(0, 1, GROUP_0 | KEY_LEFT),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010045 KEY(1, 1, GROUP_0 | KEY_ENTER),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000046 KEY(2, 1, GROUP_0 | KEY_RIGHT),
47 KEY(0, 2, GROUP_1 | KEY_ESC),
48 KEY(1, 2, GROUP_0 | KEY_DOWN),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010049 KEY(2, 2, GROUP_1 | KEY_F4),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000050 KEY(0, 3, GROUP_2 | KEY_F7),
51 KEY(1, 3, GROUP_2 | KEY_F8),
52 KEY(2, 3, GROUP_2 | KEY_F6),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010053};
54
55static struct resource nokia770_kp_resources[] = {
56 [0] = {
57 .start = INT_KEYBOARD,
58 .end = INT_KEYBOARD,
59 .flags = IORESOURCE_IRQ,
60 },
61};
62
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000063static const struct matrix_keymap_data nokia770_keymap_data = {
64 .keymap = nokia770_keymap,
65 .keymap_size = ARRAY_SIZE(nokia770_keymap),
66};
67
Tony Lindgren9b6553c2006-04-02 17:46:30 +010068static struct omap_kp_platform_data nokia770_kp_data = {
Komal Shah4d246072006-09-29 01:59:20 -070069 .rows = 8,
70 .cols = 8,
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000071 .keymap_data = &nokia770_keymap_data,
Komal Shah4d246072006-09-29 01:59:20 -070072 .delay = 4,
Tony Lindgren9b6553c2006-04-02 17:46:30 +010073};
74
75static struct platform_device nokia770_kp_device = {
76 .name = "omap-keypad",
77 .id = -1,
78 .dev = {
79 .platform_data = &nokia770_kp_data,
80 },
81 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
82 .resource = nokia770_kp_resources,
83};
84
85static struct platform_device *nokia770_devices[] __initdata = {
Tony Lindgrena5246262006-12-07 13:58:17 -080086 &nokia770_kp_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +010087};
88
Imre Deak06767fb2007-03-06 18:20:00 +020089static void mipid_shutdown(struct mipid_platform_data *pdata)
90{
91 if (pdata->nreset_gpio != -1) {
92 printk(KERN_INFO "shutdown LCD\n");
David Brownell0b84b5c2008-12-10 17:35:25 -080093 gpio_set_value(pdata->nreset_gpio, 0);
Imre Deak06767fb2007-03-06 18:20:00 +020094 msleep(120);
95 }
96}
97
98static struct mipid_platform_data nokia770_mipid_platform_data = {
99 .shutdown = mipid_shutdown,
100};
101
Uwe Kleine-König29ab3c72011-02-09 21:40:07 +0100102static void __init mipid_dev_init(void)
Imre Deak06767fb2007-03-06 18:20:00 +0200103{
104 const struct omap_lcd_config *conf;
105
106 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
107 if (conf != NULL) {
108 nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
109 nokia770_mipid_platform_data.data_lines = conf->data_lines;
110 }
111}
112
Uwe Kleine-König29ab3c72011-02-09 21:40:07 +0100113static void __init ads7846_dev_init(void)
Imre Deak06767fb2007-03-06 18:20:00 +0200114{
Jarkko Nikulaf2d18fe2008-12-10 17:35:30 -0800115 if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
Imre Deak06767fb2007-03-06 18:20:00 +0200116 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
117}
118
119static int ads7846_get_pendown_state(void)
120{
David Brownell0b84b5c2008-12-10 17:35:25 -0800121 return !gpio_get_value(ADS7846_PENDOWN_GPIO);
Imre Deak06767fb2007-03-06 18:20:00 +0200122}
123
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100124static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
125 .x_max = 0x0fff,
126 .y_max = 0x0fff,
127 .x_plate_ohms = 180,
128 .pressure_max = 255,
129 .debounce_max = 10,
130 .debounce_tol = 3,
Imre Deak06767fb2007-03-06 18:20:00 +0200131 .debounce_rep = 1,
132 .get_pendown_state = ads7846_get_pendown_state,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100133};
134
135static struct spi_board_info nokia770_spi_board_info[] __initdata = {
136 [0] = {
Tony Lindgrena5246262006-12-07 13:58:17 -0800137 .modalias = "lcd_mipid",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100138 .bus_num = 2,
139 .chip_select = 3,
140 .max_speed_hz = 12000000,
Imre Deak06767fb2007-03-06 18:20:00 +0200141 .platform_data = &nokia770_mipid_platform_data,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100142 },
143 [1] = {
144 .modalias = "ads7846",
145 .bus_num = 2,
146 .chip_select = 0,
147 .max_speed_hz = 2500000,
148 .irq = OMAP_GPIO_IRQ(15),
149 .platform_data = &nokia770_ads7846_platform_data,
150 },
151};
152
Andrew de Quincey088962c2009-05-28 14:03:31 -0700153static struct hwa742_platform_data nokia770_hwa742_platform_data = {
154 .te_connected = 1,
155};
156
Uwe Kleine-König29ab3c72011-02-09 21:40:07 +0100157static void __init hwa742_dev_init(void)
Andrew de Quincey088962c2009-05-28 14:03:31 -0700158{
159 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
160 omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
161}
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100162
163/* assume no Mini-AB port */
164
165static struct omap_usb_config nokia770_usb_config __initdata = {
166 .otg = 1,
167 .register_host = 1,
168 .register_dev = 1,
169 .hmc_mode = 16,
170 .pins[0] = 6,
171};
172
Tony Lindgrend8874662008-12-10 17:37:16 -0800173#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
174
175#define NOKIA770_GPIO_MMC_POWER 41
176#define NOKIA770_GPIO_MMC_SWITCH 23
177
178static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
179 int vdd)
180{
Ladislav Michlbac5b292009-04-23 11:10:48 -0700181 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
Tony Lindgrend8874662008-12-10 17:37:16 -0800182 return 0;
183}
184
185static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
186{
187 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
188}
189
190static struct omap_mmc_platform_data nokia770_mmc2_data = {
191 .nr_slots = 1,
192 .dma_mask = 0xffffffff,
Andrew de Quinceye4d24ec2009-06-23 13:30:21 +0300193 .max_freq = 12000000,
Tony Lindgrend8874662008-12-10 17:37:16 -0800194 .slots[0] = {
195 .set_power = nokia770_mmc_set_power,
196 .get_cover_state = nokia770_mmc_get_cover_state,
Andrew de Quinceye4d24ec2009-06-23 13:30:21 +0300197 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
Tony Lindgrend8874662008-12-10 17:37:16 -0800198 .name = "mmcblk",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100199 },
200};
201
Tony Lindgrend8874662008-12-10 17:37:16 -0800202static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
203
204static void __init nokia770_mmc_init(void)
205{
206 int ret;
207
208 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
209 if (ret < 0)
210 return;
211 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
212
213 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
214 if (ret < 0) {
215 gpio_free(NOKIA770_GPIO_MMC_POWER);
216 return;
217 }
218 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
219
220 /* Only the second MMC controller is used */
221 nokia770_mmc_data[1] = &nokia770_mmc2_data;
222 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
223}
224
225#else
226static inline void nokia770_mmc_init(void)
227{
228}
229#endif
230
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100231static void __init omap_nokia770_init(void)
232{
Tony Lindgren7b88e622011-10-05 15:14:02 -0700233 /* On Nokia 770, the SleepX signal is masked with an
234 * MPUIO line by default. It has to be unmasked for it
235 * to become functional */
236
237 /* SleepX mask direction */
238 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
239 /* Unmask SleepX signal */
240 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
241
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100242 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
243 spi_register_board_info(nokia770_spi_board_info,
244 ARRAY_SIZE(nokia770_spi_board_info));
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100245 omap_serial_init();
Jarkko Nikula1ed16a82007-11-07 06:54:32 +0200246 omap_register_i2c_bus(1, 100, NULL, 0);
Andrew de Quincey088962c2009-05-28 14:03:31 -0700247 hwa742_dev_init();
Imre Deak06767fb2007-03-06 18:20:00 +0200248 ads7846_dev_init();
249 mipid_dev_init();
Tony Lindgrendd0cdd82010-07-05 16:31:30 +0300250 omap1_usb_init(&nokia770_usb_config);
Tony Lindgrend8874662008-12-10 17:37:16 -0800251 nokia770_mmc_init();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100252}
253
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100254MACHINE_START(NOKIA770, "Nokia 770")
Nicolas Pitre246e3892011-07-05 22:38:15 -0400255 .atag_offset = 0x100,
Tony Lindgren7b88e622011-10-05 15:14:02 -0700256 .map_io = omap16xx_map_io,
257 .init_early = omap1_init_early,
Russell King71ee7da2010-05-23 10:18:16 +0100258 .reserve = omap_reserve,
Tony Lindgren7b88e622011-10-05 15:14:02 -0700259 .init_irq = omap1_init_irq,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100260 .init_machine = omap_nokia770_init,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700261 .timer = &omap1_timer,
Russell Kingbaa95882011-11-05 17:06:28 +0000262 .restart = omap1_restart,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100263MACHINE_END