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2
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4
5#include <linux/delay.h>
6#include <linux/fb.h>
7#include <linux/gpio.h>
8#include <linux/gpio/machine.h>
9#include <linux/init.h>
10#include <linux/platform_device.h>
11#include <linux/pwm.h>
12#include <linux/pwm_backlight.h>
13#include <linux/serial_core.h>
14#include <linux/serial_s3c.h>
15#include <linux/spi/spi_gpio.h>
16#include <linux/platform_data/s3c-hsotg.h>
17
18#include <asm/mach-types.h>
19#include <asm/mach/map.h>
20
21#include "map.h"
22#include "regs-gpio.h"
23#include "gpio-samsung.h"
24
25#include "cpu.h"
26#include "devs.h"
27#include <linux/platform_data/i2c-s3c2410.h>
28#include "gpio-cfg.h"
29#include <linux/platform_data/hwmon-s3c.h>
30#include <linux/platform_data/usb-ohci-s3c2410.h>
31#include "sdhci.h"
32#include <linux/platform_data/touchscreen-s3c2410.h>
33
34#include <video/platform_lcd.h>
35
36#include "s3c64xx.h"
37#include "mach-smartq.h"
38#include "regs-modem-s3c64xx.h"
39
40#define UCON S3C2410_UCON_DEFAULT
41#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
42#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
43
44static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = {
45 [0] = {
46 .hwport = 0,
47 .flags = 0,
48 .ucon = UCON,
49 .ulcon = ULCON,
50 .ufcon = UFCON,
51 },
52 [1] = {
53 .hwport = 1,
54 .flags = 0,
55 .ucon = UCON,
56 .ulcon = ULCON,
57 .ufcon = UFCON,
58 },
59 [2] = {
60 .hwport = 2,
61 .flags = 0,
62 .ucon = UCON,
63 .ulcon = ULCON,
64 .ufcon = UFCON,
65 },
66};
67
68static void smartq_usb_host_powercontrol(int port, int to)
69{
70 pr_debug("%s(%d, %d)\n", __func__, port, to);
71
72 if (port == 0) {
73 gpio_set_value(S3C64XX_GPL(0), to);
74 gpio_set_value(S3C64XX_GPL(1), to);
75 }
76}
77
78static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw)
79{
80 struct s3c2410_hcd_info *info = pw;
81
82 if (gpio_get_value(S3C64XX_GPL(10)) == 0) {
83 pr_debug("%s: over-current irq (oc detected)\n", __func__);
84 s3c2410_usb_report_oc(info, 3);
85 } else {
86 pr_debug("%s: over-current irq (oc cleared)\n", __func__);
87 s3c2410_usb_report_oc(info, 0);
88 }
89
90 return IRQ_HANDLED;
91}
92
93static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on)
94{
95 int ret;
96
97
98 if (machine_is_smartq5())
99 return;
100
101 if (on) {
102 ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)),
103 smartq_usb_host_ocirq,
104 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
105 "USB host overcurrent", info);
106 if (ret != 0)
107 pr_err("failed to request usb oc irq: %d\n", ret);
108 } else {
109 free_irq(gpio_to_irq(S3C64XX_GPL(10)), info);
110 }
111}
112
113static struct s3c2410_hcd_info smartq_usb_host_info = {
114 .port[0] = {
115 .flags = S3C_HCDFLG_USED
116 },
117 .port[1] = {
118 .flags = 0
119 },
120
121 .power_control = smartq_usb_host_powercontrol,
122 .enable_oc = smartq_usb_host_enableoc,
123};
124
125static struct gpiod_lookup_table smartq_usb_otg_vbus_gpiod_table = {
126 .dev_id = "gpio-vbus",
127 .table = {
128 GPIO_LOOKUP("GPL", 9, "vbus", GPIO_ACTIVE_LOW),
129 { },
130 },
131};
132
133static struct platform_device smartq_usb_otg_vbus_dev = {
134 .name = "gpio-vbus",
135};
136
137static struct pwm_lookup smartq_pwm_lookup[] = {
138 PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", NULL,
139 1000000000 / (1000 * 20), PWM_POLARITY_NORMAL),
140};
141
142static int smartq_bl_init(struct device *dev)
143{
144 s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
145
146 return 0;
147}
148
149static struct platform_pwm_backlight_data smartq_backlight_data = {
150 .max_brightness = 1000,
151 .dft_brightness = 600,
152 .init = smartq_bl_init,
153};
154
155static struct platform_device smartq_backlight_device = {
156 .name = "pwm-backlight",
157 .dev = {
158 .parent = &samsung_device_pwm.dev,
159 .platform_data = &smartq_backlight_data,
160 },
161};
162
163static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = {
164 .delay = 65535,
165 .presc = 99,
166 .oversampling_shift = 4,
167};
168
169static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = {
170 .max_width = 4,
171 .cd_type = S3C_SDHCI_CD_PERMANENT,
172};
173
174static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
175
176 .in[0] = &(struct s3c_hwmon_chcfg) {
177 .name = "smartq:battery-voltage",
178 .mult = 3300,
179 .div = 2048,
180 },
181
182 .in[1] = &(struct s3c_hwmon_chcfg) {
183 .name = "smartq:reference-voltage",
184 .mult = 3300,
185 .div = 4096,
186 },
187};
188
189static struct dwc2_hsotg_plat smartq_hsotg_pdata;
190
191static int __init smartq_lcd_setup_gpio(void)
192{
193 int ret;
194
195 ret = gpio_request(S3C64XX_GPM(3), "LCD power");
196 if (ret < 0)
197 return ret;
198
199
200 gpio_direction_output(S3C64XX_GPM(3), 0);
201
202 return 0;
203}
204
205
206static struct spi_gpio_platform_data smartq_lcd_control = {
207 .num_chipselect = 1,
208};
209
210static struct platform_device smartq_lcd_control_device = {
211 .name = "spi_gpio",
212 .id = 1,
213 .dev.platform_data = &smartq_lcd_control,
214};
215
216static struct gpiod_lookup_table smartq_lcd_control_gpiod_table = {
217 .dev_id = "spi_gpio",
218 .table = {
219 GPIO_LOOKUP("GPIOM", 1,
220 "sck", GPIO_ACTIVE_HIGH),
221 GPIO_LOOKUP("GPIOM", 2,
222 "mosi", GPIO_ACTIVE_HIGH),
223 GPIO_LOOKUP("GPIOM", 3,
224 "miso", GPIO_ACTIVE_HIGH),
225 GPIO_LOOKUP("GPIOM", 0,
226 "cs", GPIO_ACTIVE_HIGH),
227 { },
228 },
229};
230
231static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
232{
233 gpio_direction_output(S3C64XX_GPM(3), power);
234}
235
236static struct plat_lcd_data smartq_lcd_power_data = {
237 .set_power = smartq_lcd_power_set,
238};
239
240static struct platform_device smartq_lcd_power_device = {
241 .name = "platform-lcd",
242 .dev.parent = &s3c_device_fb.dev,
243 .dev.platform_data = &smartq_lcd_power_data,
244};
245
246static struct i2c_board_info smartq_i2c_devs[] __initdata = {
247 { I2C_BOARD_INFO("wm8987", 0x1a), },
248};
249
250static struct platform_device *smartq_devices[] __initdata = {
251 &s3c_device_hsmmc1,
252 &s3c_device_hsmmc0,
253 &s3c_device_hsmmc2,
254 &s3c_device_adc,
255 &s3c_device_fb,
256 &s3c_device_hwmon,
257 &s3c_device_i2c0,
258 &s3c_device_ohci,
259 &s3c_device_rtc,
260 &samsung_device_pwm,
261 &s3c_device_usb_hsotg,
262 &s3c64xx_device_iis0,
263 &smartq_backlight_device,
264 &smartq_lcd_control_device,
265 &smartq_lcd_power_device,
266 &smartq_usb_otg_vbus_dev,
267};
268
269static void __init smartq_lcd_mode_set(void)
270{
271 u32 tmp;
272
273
274 tmp = __raw_readl(S3C64XX_SPCON);
275 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
276 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
277 __raw_writel(tmp, S3C64XX_SPCON);
278
279
280 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
281 tmp &= ~MIFPCON_LCD_BYPASS;
282 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
283}
284
285static void smartq_power_off(void)
286{
287 gpio_direction_output(S3C64XX_GPK(15), 1);
288}
289
290static int __init smartq_power_off_init(void)
291{
292 int ret;
293
294 ret = gpio_request(S3C64XX_GPK(15), "Power control");
295 if (ret < 0) {
296 pr_err("%s: failed to get GPK15\n", __func__);
297 return ret;
298 }
299
300
301 gpio_direction_output(S3C64XX_GPK(15), 0);
302
303 pm_power_off = smartq_power_off;
304
305 return ret;
306}
307
308static int __init smartq_usb_host_init(void)
309{
310 int ret;
311
312 ret = gpio_request(S3C64XX_GPL(0), "USB power control");
313 if (ret < 0) {
314 pr_err("%s: failed to get GPL0\n", __func__);
315 return ret;
316 }
317
318 ret = gpio_request(S3C64XX_GPL(1), "USB host power control");
319 if (ret < 0) {
320 pr_err("%s: failed to get GPL1\n", __func__);
321 goto err;
322 }
323
324 if (!machine_is_smartq5()) {
325
326 ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent");
327 if (ret < 0) {
328 pr_err("%s: failed to get GPL10\n", __func__);
329 goto err2;
330 }
331 }
332
333
334 gpio_direction_output(S3C64XX_GPL(0), 0);
335 gpio_direction_output(S3C64XX_GPL(1), 0);
336 if (!machine_is_smartq5())
337 gpio_direction_input(S3C64XX_GPL(10));
338
339 s3c_device_ohci.dev.platform_data = &smartq_usb_host_info;
340
341 return 0;
342
343err2:
344 gpio_free(S3C64XX_GPL(1));
345err:
346 gpio_free(S3C64XX_GPL(0));
347 return ret;
348}
349
350static int __init smartq_wifi_init(void)
351{
352 int ret;
353
354 ret = gpio_request(S3C64XX_GPK(1), "wifi control");
355 if (ret < 0) {
356 pr_err("%s: failed to get GPK1\n", __func__);
357 return ret;
358 }
359
360 ret = gpio_request(S3C64XX_GPK(2), "wifi reset");
361 if (ret < 0) {
362 pr_err("%s: failed to get GPK2\n", __func__);
363 gpio_free(S3C64XX_GPK(1));
364 return ret;
365 }
366
367
368 gpio_direction_output(S3C64XX_GPK(1), 1);
369
370
371 gpio_direction_output(S3C64XX_GPK(2), 0);
372 mdelay(100);
373 gpio_set_value(S3C64XX_GPK(2), 1);
374 gpio_direction_input(S3C64XX_GPK(2));
375
376 return 0;
377}
378
379static struct map_desc smartq_iodesc[] __initdata = {};
380void __init smartq_map_io(void)
381{
382 s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
383 s3c64xx_set_xtal_freq(12000000);
384 s3c64xx_set_xusbxti_freq(12000000);
385 s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
386 s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4);
387
388 smartq_lcd_mode_set();
389}
390
391static struct gpiod_lookup_table smartq_audio_gpios = {
392 .dev_id = "smartq-audio",
393 .table = {
394 GPIO_LOOKUP("GPL", 12, "headphone detect", 0),
395 GPIO_LOOKUP("GPK", 12, "amplifiers shutdown", 0),
396 { },
397 },
398};
399
400void __init smartq_machine_init(void)
401{
402 s3c_i2c0_set_platdata(NULL);
403 dwc2_hsotg_set_platdata(&smartq_hsotg_pdata);
404 s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
405 s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
406 s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
407 s3c64xx_ts_set_platdata(&smartq_touchscreen_pdata);
408
409 i2c_register_board_info(0, smartq_i2c_devs,
410 ARRAY_SIZE(smartq_i2c_devs));
411
412 WARN_ON(smartq_lcd_setup_gpio());
413 WARN_ON(smartq_power_off_init());
414 WARN_ON(smartq_usb_host_init());
415 WARN_ON(smartq_wifi_init());
416
417 pwm_add_table(smartq_pwm_lookup, ARRAY_SIZE(smartq_pwm_lookup));
418 gpiod_add_lookup_table(&smartq_lcd_control_gpiod_table);
419 gpiod_add_lookup_table(&smartq_usb_otg_vbus_gpiod_table);
420 platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
421
422 gpiod_add_lookup_table(&smartq_audio_gpios);
423 platform_device_register_simple("smartq-audio", -1, NULL, 0);
424}
425
