~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-omap1/board-nokia770.c

Version: ~ [ linux-5.10-rc5 ] ~ [ linux-5.9.10 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.79 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.159 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.208 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.245 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.245 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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/clkdev.h>
 11 #include <linux/irq.h>
 12 #include <linux/gpio.h>
 13 #include <linux/kernel.h>
 14 #include <linux/init.h>
 15 #include <linux/mutex.h>
 16 #include <linux/platform_device.h>
 17 #include <linux/input.h>
 18 #include <linux/omapfb.h>
 19 
 20 #include <linux/spi/spi.h>
 21 #include <linux/spi/ads7846.h>
 22 #include <linux/workqueue.h>
 23 #include <linux/delay.h>
 24 
 25 #include <linux/platform_data/keypad-omap.h>
 26 #include <linux/platform_data/lcd-mipid.h>
 27 #include <linux/platform_data/gpio-omap.h>
 28 #include <linux/platform_data/i2c-cbus-gpio.h>
 29 
 30 #include <asm/mach-types.h>
 31 #include <asm/mach/arch.h>
 32 #include <asm/mach/map.h>
 33 
 34 #include <mach/mux.h>
 35 
 36 #include <mach/hardware.h>
 37 #include <mach/usb.h>
 38 
 39 #include "common.h"
 40 #include "clock.h"
 41 #include "mmc.h"
 42 
 43 #define ADS7846_PENDOWN_GPIO    15
 44 
 45 static const unsigned int nokia770_keymap[] = {
 46         KEY(1, 0, GROUP_0 | KEY_UP),
 47         KEY(2, 0, GROUP_1 | KEY_F5),
 48         KEY(0, 1, GROUP_0 | KEY_LEFT),
 49         KEY(1, 1, GROUP_0 | KEY_ENTER),
 50         KEY(2, 1, GROUP_0 | KEY_RIGHT),
 51         KEY(0, 2, GROUP_1 | KEY_ESC),
 52         KEY(1, 2, GROUP_0 | KEY_DOWN),
 53         KEY(2, 2, GROUP_1 | KEY_F4),
 54         KEY(0, 3, GROUP_2 | KEY_F7),
 55         KEY(1, 3, GROUP_2 | KEY_F8),
 56         KEY(2, 3, GROUP_2 | KEY_F6),
 57 };
 58 
 59 static struct resource nokia770_kp_resources[] = {
 60         [0] = {
 61                 .start  = INT_KEYBOARD,
 62                 .end    = INT_KEYBOARD,
 63                 .flags  = IORESOURCE_IRQ,
 64         },
 65 };
 66 
 67 static const struct matrix_keymap_data nokia770_keymap_data = {
 68         .keymap         = nokia770_keymap,
 69         .keymap_size    = ARRAY_SIZE(nokia770_keymap),
 70 };
 71 
 72 static struct omap_kp_platform_data nokia770_kp_data = {
 73         .rows           = 8,
 74         .cols           = 8,
 75         .keymap_data    = &nokia770_keymap_data,
 76         .delay          = 4,
 77 };
 78 
 79 static struct platform_device nokia770_kp_device = {
 80         .name           = "omap-keypad",
 81         .id             = -1,
 82         .dev            = {
 83                 .platform_data = &nokia770_kp_data,
 84         },
 85         .num_resources  = ARRAY_SIZE(nokia770_kp_resources),
 86         .resource       = nokia770_kp_resources,
 87 };
 88 
 89 static struct platform_device *nokia770_devices[] __initdata = {
 90         &nokia770_kp_device,
 91 };
 92 
 93 static void mipid_shutdown(struct mipid_platform_data *pdata)
 94 {
 95         if (pdata->nreset_gpio != -1) {
 96                 printk(KERN_INFO "shutdown LCD\n");
 97                 gpio_set_value(pdata->nreset_gpio, 0);
 98                 msleep(120);
 99         }
100 }
101 
102 static struct mipid_platform_data nokia770_mipid_platform_data = {
103         .shutdown = mipid_shutdown,
104 };
105 
106 static struct omap_lcd_config nokia770_lcd_config __initdata = {
107         .ctrl_name      = "hwa742",
108 };
109 
110 static void __init mipid_dev_init(void)
111 {
112         nokia770_mipid_platform_data.nreset_gpio = 13;
113         nokia770_mipid_platform_data.data_lines = 16;
114 
115         omapfb_set_lcd_config(&nokia770_lcd_config);
116 }
117 
118 static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
119         .x_max          = 0x0fff,
120         .y_max          = 0x0fff,
121         .x_plate_ohms   = 180,
122         .pressure_max   = 255,
123         .debounce_max   = 10,
124         .debounce_tol   = 3,
125         .debounce_rep   = 1,
126         .gpio_pendown   = ADS7846_PENDOWN_GPIO,
127 };
128 
129 static struct spi_board_info nokia770_spi_board_info[] __initdata = {
130         [0] = {
131                 .modalias       = "lcd_mipid",
132                 .bus_num        = 2,
133                 .chip_select    = 3,
134                 .max_speed_hz   = 12000000,
135                 .platform_data  = &nokia770_mipid_platform_data,
136         },
137         [1] = {
138                 .modalias       = "ads7846",
139                 .bus_num        = 2,
140                 .chip_select    = 0,
141                 .max_speed_hz   = 2500000,
142                 .platform_data  = &nokia770_ads7846_platform_data,
143         },
144 };
145 
146 static void __init hwa742_dev_init(void)
147 {
148         clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
149 }
150 
151 /* assume no Mini-AB port */
152 
153 static struct omap_usb_config nokia770_usb_config __initdata = {
154         .otg            = 1,
155         .register_host  = 1,
156         .register_dev   = 1,
157         .hmc_mode       = 16,
158         .pins[0]        = 6,
159         .extcon         = "tahvo-usb",
160 };
161 
162 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
163 
164 #define NOKIA770_GPIO_MMC_POWER         41
165 #define NOKIA770_GPIO_MMC_SWITCH        23
166 
167 static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
168                                 int vdd)
169 {
170         gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
171         return 0;
172 }
173 
174 static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
175 {
176         return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
177 }
178 
179 static struct omap_mmc_platform_data nokia770_mmc2_data = {
180         .nr_slots                       = 1,
181         .max_freq                       = 12000000,
182         .slots[0]       = {
183                 .set_power              = nokia770_mmc_set_power,
184                 .get_cover_state        = nokia770_mmc_get_cover_state,
185                 .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
186                 .name                   = "mmcblk",
187         },
188 };
189 
190 static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
191 
192 static void __init nokia770_mmc_init(void)
193 {
194         int ret;
195 
196         ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
197         if (ret < 0)
198                 return;
199         gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
200 
201         ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
202         if (ret < 0) {
203                 gpio_free(NOKIA770_GPIO_MMC_POWER);
204                 return;
205         }
206         gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
207 
208         /* Only the second MMC controller is used */
209         nokia770_mmc_data[1] = &nokia770_mmc2_data;
210         omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
211 }
212 
213 #else
214 static inline void nokia770_mmc_init(void)
215 {
216 }
217 #endif
218 
219 #if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
220 static struct i2c_cbus_platform_data nokia770_cbus_data = {
221         .clk_gpio = OMAP_MPUIO(9),
222         .dat_gpio = OMAP_MPUIO(10),
223         .sel_gpio = OMAP_MPUIO(11),
224 };
225 
226 static struct platform_device nokia770_cbus_device = {
227         .name   = "i2c-cbus-gpio",
228         .id     = 2,
229         .dev    = {
230                 .platform_data = &nokia770_cbus_data,
231         },
232 };
233 
234 static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
235         {
236                 I2C_BOARD_INFO("retu-mfd", 0x01),
237         },
238         {
239                 I2C_BOARD_INFO("tahvo-mfd", 0x02),
240         },
241 };
242 
243 static void __init nokia770_cbus_init(void)
244 {
245         const int retu_irq_gpio = 62;
246         const int tahvo_irq_gpio = 40;
247 
248         if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
249                 return;
250         if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
251                 gpio_free(retu_irq_gpio);
252                 return;
253         }
254         irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
255         irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
256         nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
257         nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
258         i2c_register_board_info(2, nokia770_i2c_board_info_2,
259                                 ARRAY_SIZE(nokia770_i2c_board_info_2));
260         platform_device_register(&nokia770_cbus_device);
261 }
262 #else /* CONFIG_I2C_CBUS_GPIO */
263 static void __init nokia770_cbus_init(void)
264 {
265 }
266 #endif /* CONFIG_I2C_CBUS_GPIO */
267 
268 static void __init omap_nokia770_init(void)
269 {
270         /* On Nokia 770, the SleepX signal is masked with an
271          * MPUIO line by default.  It has to be unmasked for it
272          * to become functional */
273 
274         /* SleepX mask direction */
275         omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
276         /* Unmask SleepX signal */
277         omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
278 
279         platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
280         nokia770_spi_board_info[1].irq = gpio_to_irq(15);
281         spi_register_board_info(nokia770_spi_board_info,
282                                 ARRAY_SIZE(nokia770_spi_board_info));
283         omap_serial_init();
284         omap_register_i2c_bus(1, 100, NULL, 0);
285         hwa742_dev_init();
286         mipid_dev_init();
287         omap1_usb_init(&nokia770_usb_config);
288         nokia770_mmc_init();
289         nokia770_cbus_init();
290 }
291 
292 MACHINE_START(NOKIA770, "Nokia 770")
293         .atag_offset    = 0x100,
294         .map_io         = omap16xx_map_io,
295         .init_early     = omap1_init_early,
296         .init_irq       = omap1_init_irq,
297         .handle_irq     = omap1_handle_irq,
298         .init_machine   = omap_nokia770_init,
299         .init_late      = omap1_init_late,
300         .init_time      = omap1_timer_init,
301         .restart        = omap1_restart,
302 MACHINE_END
303 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp