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7#include <linux/clkdev.h>
8#include <linux/irq.h>
9#include <linux/gpio.h>
10#include <linux/gpio/machine.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/omapfb.h>
17
18#include <linux/spi/spi.h>
19#include <linux/spi/ads7846.h>
20#include <linux/workqueue.h>
21#include <linux/delay.h>
22
23#include <linux/platform_data/keypad-omap.h>
24#include <linux/platform_data/lcd-mipid.h>
25#include <linux/platform_data/gpio-omap.h>
26
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/map.h>
30
31#include <mach/mux.h>
32
33#include <mach/hardware.h>
34#include <mach/usb.h>
35
36#include "common.h"
37#include "clock.h"
38#include "mmc.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 const struct omap_lcd_config nokia770_lcd_config __initconst = {
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 struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
116 .x_max = 0x0fff,
117 .y_max = 0x0fff,
118 .x_plate_ohms = 180,
119 .pressure_max = 255,
120 .debounce_max = 10,
121 .debounce_tol = 3,
122 .debounce_rep = 1,
123 .gpio_pendown = ADS7846_PENDOWN_GPIO,
124};
125
126static struct spi_board_info nokia770_spi_board_info[] __initdata = {
127 [0] = {
128 .modalias = "lcd_mipid",
129 .bus_num = 2,
130 .chip_select = 3,
131 .max_speed_hz = 12000000,
132 .platform_data = &nokia770_mipid_platform_data,
133 },
134 [1] = {
135 .modalias = "ads7846",
136 .bus_num = 2,
137 .chip_select = 0,
138 .max_speed_hz = 2500000,
139 .platform_data = &nokia770_ads7846_platform_data,
140 },
141};
142
143static void __init hwa742_dev_init(void)
144{
145 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
146}
147
148
149
150static struct omap_usb_config nokia770_usb_config __initdata = {
151 .otg = 1,
152 .register_host = 1,
153 .register_dev = 1,
154 .hmc_mode = 16,
155 .pins[0] = 6,
156 .extcon = "tahvo-usb",
157};
158
159#if IS_ENABLED(CONFIG_MMC_OMAP)
160
161#define NOKIA770_GPIO_MMC_POWER 41
162#define NOKIA770_GPIO_MMC_SWITCH 23
163
164static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
165 int vdd)
166{
167 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
168 return 0;
169}
170
171static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
172{
173 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
174}
175
176static struct omap_mmc_platform_data nokia770_mmc2_data = {
177 .nr_slots = 1,
178 .max_freq = 12000000,
179 .slots[0] = {
180 .set_power = nokia770_mmc_set_power,
181 .get_cover_state = nokia770_mmc_get_cover_state,
182 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
183 .name = "mmcblk",
184 },
185};
186
187static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
188
189static void __init nokia770_mmc_init(void)
190{
191 int ret;
192
193 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
194 if (ret < 0)
195 return;
196 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
197
198 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
199 if (ret < 0) {
200 gpio_free(NOKIA770_GPIO_MMC_POWER);
201 return;
202 }
203 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
204
205
206 nokia770_mmc_data[1] = &nokia770_mmc2_data;
207 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
208}
209
210#else
211static inline void nokia770_mmc_init(void)
212{
213}
214#endif
215
216#if IS_ENABLED(CONFIG_I2C_CBUS_GPIO)
217static struct gpiod_lookup_table nokia770_cbus_gpio_table = {
218 .dev_id = "i2c-cbus-gpio.2",
219 .table = {
220 GPIO_LOOKUP_IDX("mpuio", 9, NULL, 0, 0),
221 GPIO_LOOKUP_IDX("mpuio", 10, NULL, 1, 0),
222 GPIO_LOOKUP_IDX("mpuio", 11, NULL, 2, 0),
223 { },
224 },
225};
226
227static struct platform_device nokia770_cbus_device = {
228 .name = "i2c-cbus-gpio",
229 .id = 2,
230};
231
232static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
233 {
234 I2C_BOARD_INFO("retu", 0x01),
235 },
236 {
237 I2C_BOARD_INFO("tahvo", 0x02),
238 },
239};
240
241static void __init nokia770_cbus_init(void)
242{
243 const int retu_irq_gpio = 62;
244 const int tahvo_irq_gpio = 40;
245
246 if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
247 return;
248 if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
249 gpio_free(retu_irq_gpio);
250 return;
251 }
252 irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
253 irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
254 nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
255 nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
256 i2c_register_board_info(2, nokia770_i2c_board_info_2,
257 ARRAY_SIZE(nokia770_i2c_board_info_2));
258 gpiod_add_lookup_table(&nokia770_cbus_gpio_table);
259 platform_device_register(&nokia770_cbus_device);
260}
261#else
262static void __init nokia770_cbus_init(void)
263{
264}
265#endif
266
267static void __init omap_nokia770_init(void)
268{
269
270
271
272
273
274 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
275
276 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
277
278 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
279 nokia770_spi_board_info[1].irq = gpio_to_irq(15);
280 spi_register_board_info(nokia770_spi_board_info,
281 ARRAY_SIZE(nokia770_spi_board_info));
282 omap_serial_init();
283 omap_register_i2c_bus(1, 100, NULL, 0);
284 hwa742_dev_init();
285 mipid_dev_init();
286 omap1_usb_init(&nokia770_usb_config);
287 nokia770_mmc_init();
288 nokia770_cbus_init();
289}
290
291MACHINE_START(NOKIA770, "Nokia 770")
292 .atag_offset = 0x100,
293 .map_io = omap16xx_map_io,
294 .init_early = omap1_init_early,
295 .init_irq = omap1_init_irq,
296 .handle_irq = omap1_handle_irq,
297 .init_machine = omap_nokia770_init,
298 .init_late = omap1_init_late,
299 .init_time = omap1_timer_init,
300 .restart = omap1_restart,
301MACHINE_END
302
