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12#include <linux/delay.h>
13#include <linux/fb.h>
14#include <linux/gpio.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/pwm_backlight.h>
18#include <linux/serial_core.h>
19#include <linux/spi/spi_gpio.h>
20#include <linux/usb/gpio_vbus.h>
21
22#include <asm/mach-types.h>
23#include <asm/mach/map.h>
24
25#include <mach/map.h>
26#include <mach/regs-gpio.h>
27#include <mach/regs-modem.h>
28
29#include <plat/clock.h>
30#include <plat/cpu.h>
31#include <plat/devs.h>
32#include <plat/iic.h>
33#include <plat/gpio-cfg.h>
34#include <plat/hwmon.h>
35#include <plat/regs-serial.h>
36#include <plat/udc-hs.h>
37#include <plat/usb-control.h>
38#include <plat/sdhci.h>
39#include <plat/ts.h>
40
41#include <video/platform_lcd.h>
42
43#define UCON S3C2410_UCON_DEFAULT
44#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
45#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
46
47static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = {
48 [0] = {
49 .hwport = 0,
50 .flags = 0,
51 .ucon = UCON,
52 .ulcon = ULCON,
53 .ufcon = UFCON,
54 },
55 [1] = {
56 .hwport = 1,
57 .flags = 0,
58 .ucon = UCON,
59 .ulcon = ULCON,
60 .ufcon = UFCON,
61 },
62 [2] = {
63 .hwport = 2,
64 .flags = 0,
65 .ucon = UCON,
66 .ulcon = ULCON,
67 .ufcon = UFCON,
68 },
69};
70
71static void smartq_usb_host_powercontrol(int port, int to)
72{
73 pr_debug("%s(%d, %d)\n", __func__, port, to);
74
75 if (port == 0) {
76 gpio_set_value(S3C64XX_GPL(0), to);
77 gpio_set_value(S3C64XX_GPL(1), to);
78 }
79}
80
81static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw)
82{
83 struct s3c2410_hcd_info *info = pw;
84
85 if (gpio_get_value(S3C64XX_GPL(10)) == 0) {
86 pr_debug("%s: over-current irq (oc detected)\n", __func__);
87 s3c2410_usb_report_oc(info, 3);
88 } else {
89 pr_debug("%s: over-current irq (oc cleared)\n", __func__);
90 s3c2410_usb_report_oc(info, 0);
91 }
92
93 return IRQ_HANDLED;
94}
95
96static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on)
97{
98 int ret;
99
100
101 if (machine_is_smartq5())
102 return;
103
104 if (on) {
105 ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)),
106 smartq_usb_host_ocirq, IRQF_DISABLED |
107 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
108 "USB host overcurrent", info);
109 if (ret != 0)
110 pr_err("failed to request usb oc irq: %d\n", ret);
111 } else {
112 free_irq(gpio_to_irq(S3C64XX_GPL(10)), info);
113 }
114}
115
116static struct s3c2410_hcd_info smartq_usb_host_info = {
117 .port[0] = {
118 .flags = S3C_HCDFLG_USED
119 },
120 .port[1] = {
121 .flags = 0
122 },
123
124 .power_control = smartq_usb_host_powercontrol,
125 .enable_oc = smartq_usb_host_enableoc,
126};
127
128static struct gpio_vbus_mach_info smartq_usb_otg_vbus_pdata = {
129 .gpio_vbus = S3C64XX_GPL(9),
130 .gpio_pullup = -1,
131 .gpio_vbus_inverted = true,
132};
133
134static struct platform_device smartq_usb_otg_vbus_dev = {
135 .name = "gpio-vbus",
136 .dev.platform_data = &smartq_usb_otg_vbus_pdata,
137};
138
139static int smartq_bl_init(struct device *dev)
140{
141 s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
142
143 return 0;
144}
145
146static struct platform_pwm_backlight_data smartq_backlight_data = {
147 .pwm_id = 1,
148 .max_brightness = 1000,
149 .dft_brightness = 600,
150 .pwm_period_ns = 1000000000 / (1000 * 20),
151 .init = smartq_bl_init,
152};
153
154static struct platform_device smartq_backlight_device = {
155 .name = "pwm-backlight",
156 .dev = {
157 .parent = &s3c_device_timer[1].dev,
158 .platform_data = &smartq_backlight_data,
159 },
160};
161
162static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = {
163 .delay = 65535,
164 .presc = 99,
165 .oversampling_shift = 4,
166};
167
168static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = {
169 .max_width = 4,
170 .cd_type = S3C_SDHCI_CD_PERMANENT,
171};
172
173static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
174
175 .in[0] = &(struct s3c_hwmon_chcfg) {
176 .name = "smartq:battery-voltage",
177 .mult = 3300,
178 .div = 2048,
179 },
180
181 .in[1] = &(struct s3c_hwmon_chcfg) {
182 .name = "smartq:reference-voltage",
183 .mult = 3300,
184 .div = 4096,
185 },
186};
187
188static int __init smartq_lcd_setup_gpio(void)
189{
190 int ret;
191
192 ret = gpio_request(S3C64XX_GPM(3), "LCD power");
193 if (ret < 0)
194 return ret;
195
196
197 gpio_direction_output(S3C64XX_GPM(3), 0);
198
199 return 0;
200}
201
202
203static struct spi_gpio_platform_data smartq_lcd_control = {
204 .sck = S3C64XX_GPM(1),
205 .mosi = S3C64XX_GPM(2),
206 .miso = S3C64XX_GPM(2),
207};
208
209static struct platform_device smartq_lcd_control_device = {
210 .name = "spi-gpio",
211 .id = 1,
212 .dev.platform_data = &smartq_lcd_control,
213};
214
215static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
216{
217 gpio_direction_output(S3C64XX_GPM(3), power);
218}
219
220static struct plat_lcd_data smartq_lcd_power_data = {
221 .set_power = smartq_lcd_power_set,
222};
223
224static struct platform_device smartq_lcd_power_device = {
225 .name = "platform-lcd",
226 .dev.parent = &s3c_device_fb.dev,
227 .dev.platform_data = &smartq_lcd_power_data,
228};
229
230static struct i2c_board_info smartq_i2c_devs[] __initdata = {
231 { I2C_BOARD_INFO("wm8987", 0x1a), },
232};
233
234static struct platform_device *smartq_devices[] __initdata = {
235 &s3c_device_hsmmc1,
236 &s3c_device_hsmmc0,
237 &s3c_device_hsmmc2,
238 &s3c_device_adc,
239 &s3c_device_fb,
240 &s3c_device_hwmon,
241 &s3c_device_i2c0,
242 &s3c_device_ohci,
243 &s3c_device_rtc,
244 &s3c_device_timer[1],
245 &s3c_device_ts,
246 &s3c_device_usb_hsotg,
247 &s3c64xx_device_iis0,
248 &smartq_backlight_device,
249 &smartq_lcd_control_device,
250 &smartq_lcd_power_device,
251 &smartq_usb_otg_vbus_dev,
252};
253
254static void __init smartq_lcd_mode_set(void)
255{
256 u32 tmp;
257
258
259 tmp = __raw_readl(S3C64XX_SPCON);
260 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
261 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
262 __raw_writel(tmp, S3C64XX_SPCON);
263
264
265 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
266 tmp &= ~MIFPCON_LCD_BYPASS;
267 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
268}
269
270static void smartq_power_off(void)
271{
272 gpio_direction_output(S3C64XX_GPK(15), 1);
273}
274
275static int __init smartq_power_off_init(void)
276{
277 int ret;
278
279 ret = gpio_request(S3C64XX_GPK(15), "Power control");
280 if (ret < 0) {
281 pr_err("%s: failed to get GPK15\n", __func__);
282 return ret;
283 }
284
285
286 gpio_direction_output(S3C64XX_GPK(15), 0);
287
288 pm_power_off = smartq_power_off;
289
290 return ret;
291}
292
293static int __init smartq_usb_host_init(void)
294{
295 int ret;
296
297 ret = gpio_request(S3C64XX_GPL(0), "USB power control");
298 if (ret < 0) {
299 pr_err("%s: failed to get GPL0\n", __func__);
300 return ret;
301 }
302
303 ret = gpio_request(S3C64XX_GPL(1), "USB host power control");
304 if (ret < 0) {
305 pr_err("%s: failed to get GPL1\n", __func__);
306 goto err;
307 }
308
309 if (!machine_is_smartq5()) {
310
311 ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent");
312 if (ret < 0) {
313 pr_err("%s: failed to get GPL10\n", __func__);
314 goto err2;
315 }
316 }
317
318
319 gpio_direction_output(S3C64XX_GPL(0), 0);
320 gpio_direction_output(S3C64XX_GPL(1), 0);
321 if (!machine_is_smartq5())
322 gpio_direction_input(S3C64XX_GPL(10));
323
324 s3c_device_ohci.dev.platform_data = &smartq_usb_host_info;
325
326 return 0;
327
328err2:
329 gpio_free(S3C64XX_GPL(1));
330err:
331 gpio_free(S3C64XX_GPL(0));
332 return ret;
333}
334
335static int __init smartq_usb_otg_init(void)
336{
337 clk_xusbxti.rate = 12000000;
338
339 return 0;
340}
341
342static int __init smartq_wifi_init(void)
343{
344 int ret;
345
346 ret = gpio_request(S3C64XX_GPK(1), "wifi control");
347 if (ret < 0) {
348 pr_err("%s: failed to get GPK1\n", __func__);
349 return ret;
350 }
351
352 ret = gpio_request(S3C64XX_GPK(2), "wifi reset");
353 if (ret < 0) {
354 pr_err("%s: failed to get GPK2\n", __func__);
355 gpio_free(S3C64XX_GPK(1));
356 return ret;
357 }
358
359
360 gpio_direction_output(S3C64XX_GPK(1), 1);
361
362
363 gpio_direction_output(S3C64XX_GPK(2), 0);
364 mdelay(100);
365 gpio_set_value(S3C64XX_GPK(2), 1);
366 gpio_direction_input(S3C64XX_GPK(2));
367
368 return 0;
369}
370
371static struct map_desc smartq_iodesc[] __initdata = {};
372void __init smartq_map_io(void)
373{
374 s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
375 s3c24xx_init_clocks(12000000);
376 s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
377
378 smartq_lcd_mode_set();
379}
380
381void __init smartq_machine_init(void)
382{
383 s3c_i2c0_set_platdata(NULL);
384 s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
385 s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
386 s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
387 s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);
388
389 i2c_register_board_info(0, smartq_i2c_devs,
390 ARRAY_SIZE(smartq_i2c_devs));
391
392 WARN_ON(smartq_lcd_setup_gpio());
393 WARN_ON(smartq_power_off_init());
394 WARN_ON(smartq_usb_host_init());
395 WARN_ON(smartq_usb_otg_init());
396 WARN_ON(smartq_wifi_init());
397
398 platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
399}
400
