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-rw-r--r--drivers/mfd/88pm860x-core.c217
-rw-r--r--include/linux/mfd/88pm860x.h151
2 files changed, 356 insertions, 12 deletions
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index 9185f0d945f4..16f0dca707a7 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -17,6 +17,100 @@
17#include <linux/mfd/core.h> 17#include <linux/mfd/core.h>
18#include <linux/mfd/88pm860x.h> 18#include <linux/mfd/88pm860x.h>
19 19
20char pm860x_backlight_name[][MFD_NAME_SIZE] = {
21 "backlight-0",
22 "backlight-1",
23 "backlight-2",
24};
25EXPORT_SYMBOL(pm860x_backlight_name);
26
27char pm860x_led_name[][MFD_NAME_SIZE] = {
28 "led0-red",
29 "led0-green",
30 "led0-blue",
31 "led1-red",
32 "led1-green",
33 "led1-blue",
34};
35EXPORT_SYMBOL(pm860x_led_name);
36
37#define PM8606_BACKLIGHT_RESOURCE(_i, _x) \
38{ \
39 .name = pm860x_backlight_name[_i], \
40 .start = PM8606_##_x, \
41 .end = PM8606_##_x, \
42 .flags = IORESOURCE_IO, \
43}
44
45static struct resource backlight_resources[] = {
46 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
47 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
48 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
49};
50
51#define PM8606_BACKLIGHT_DEVS(_i) \
52{ \
53 .name = "88pm860x-backlight", \
54 .num_resources = 1, \
55 .resources = &backlight_resources[_i], \
56 .id = _i, \
57}
58
59static struct mfd_cell backlight_devs[] = {
60 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
61 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
62 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
63};
64
65#define PM8606_LED_RESOURCE(_i, _x) \
66{ \
67 .name = pm860x_led_name[_i], \
68 .start = PM8606_##_x, \
69 .end = PM8606_##_x, \
70 .flags = IORESOURCE_IO, \
71}
72
73static struct resource led_resources[] = {
74 PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
75 PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
76 PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
77 PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
78 PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
79 PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
80};
81
82#define PM8606_LED_DEVS(_i) \
83{ \
84 .name = "88pm860x-led", \
85 .num_resources = 1, \
86 .resources = &led_resources[_i], \
87 .id = _i, \
88}
89
90static struct mfd_cell led_devs[] = {
91 PM8606_LED_DEVS(PM8606_LED1_RED),
92 PM8606_LED_DEVS(PM8606_LED1_GREEN),
93 PM8606_LED_DEVS(PM8606_LED1_BLUE),
94 PM8606_LED_DEVS(PM8606_LED2_RED),
95 PM8606_LED_DEVS(PM8606_LED2_GREEN),
96 PM8606_LED_DEVS(PM8606_LED2_BLUE),
97};
98
99static struct resource touch_resources[] = {
100 {
101 .start = PM8607_IRQ_PEN,
102 .end = PM8607_IRQ_PEN,
103 .flags = IORESOURCE_IRQ,
104 },
105};
106
107static struct mfd_cell touch_devs[] = {
108 {
109 .name = "88pm860x-touch",
110 .num_resources = 1,
111 .resources = &touch_resources[0],
112 },
113};
20 114
21#define PM8607_REG_RESOURCE(_start, _end) \ 115#define PM8607_REG_RESOURCE(_start, _end) \
22{ \ 116{ \
@@ -25,7 +119,7 @@
25 .flags = IORESOURCE_IO, \ 119 .flags = IORESOURCE_IO, \
26} 120}
27 121
28static struct resource pm8607_regulator_resources[] = { 122static struct resource regulator_resources[] = {
29 PM8607_REG_RESOURCE(BUCK1, BUCK1), 123 PM8607_REG_RESOURCE(BUCK1, BUCK1),
30 PM8607_REG_RESOURCE(BUCK2, BUCK2), 124 PM8607_REG_RESOURCE(BUCK2, BUCK2),
31 PM8607_REG_RESOURCE(BUCK3, BUCK3), 125 PM8607_REG_RESOURCE(BUCK3, BUCK3),
@@ -47,10 +141,11 @@ static struct resource pm8607_regulator_resources[] = {
47{ \ 141{ \
48 .name = "88pm8607-" #_name, \ 142 .name = "88pm8607-" #_name, \
49 .num_resources = 1, \ 143 .num_resources = 1, \
50 .resources = &pm8607_regulator_resources[PM8607_ID_##_id], \ 144 .resources = &regulator_resources[PM8607_ID_##_id], \
145 .id = PM8607_ID_##_id, \
51} 146}
52 147
53static struct mfd_cell pm8607_devs[] = { 148static struct mfd_cell regulator_devs[] = {
54 PM8607_REG_DEVS(buck1, BUCK1), 149 PM8607_REG_DEVS(buck1, BUCK1),
55 PM8607_REG_DEVS(buck2, BUCK2), 150 PM8607_REG_DEVS(buck2, BUCK2),
56 PM8607_REG_DEVS(buck3, BUCK3), 151 PM8607_REG_DEVS(buck3, BUCK3),
@@ -192,6 +287,61 @@ int pm860x_free_irq(struct pm860x_chip *chip, int irq)
192} 287}
193EXPORT_SYMBOL(pm860x_free_irq); 288EXPORT_SYMBOL(pm860x_free_irq);
194 289
290static int __devinit device_gpadc_init(struct pm860x_chip *chip,
291 struct pm860x_platform_data *pdata)
292{
293 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
294 : chip->companion;
295 int use_gpadc = 0, data, ret;
296
297 /* initialize GPADC without activating it */
298
299 if (pdata && pdata->touch) {
300 /* set GPADC MISC1 register */
301 data = 0;
302 data |= (pdata->touch->gpadc_prebias << 1)
303 & PM8607_GPADC_PREBIAS_MASK;
304 data |= (pdata->touch->slot_cycle << 3)
305 & PM8607_GPADC_SLOT_CYCLE_MASK;
306 data |= (pdata->touch->off_scale << 5)
307 & PM8607_GPADC_OFF_SCALE_MASK;
308 data |= (pdata->touch->sw_cal << 7)
309 & PM8607_GPADC_SW_CAL_MASK;
310 if (data) {
311 ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
312 if (ret < 0)
313 goto out;
314 }
315 /* set tsi prebias time */
316 if (pdata->touch->tsi_prebias) {
317 data = pdata->touch->tsi_prebias;
318 ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
319 if (ret < 0)
320 goto out;
321 }
322 /* set prebias & prechg time of pen detect */
323 data = 0;
324 data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
325 data |= (pdata->touch->pen_prechg << 5)
326 & PM8607_PD_PRECHG_MASK;
327 if (data) {
328 ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
329 if (ret < 0)
330 goto out;
331 }
332
333 use_gpadc = 1;
334 }
335
336 /* turn on GPADC */
337 if (use_gpadc) {
338 ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
339 PM8607_GPADC_EN, PM8607_GPADC_EN);
340 }
341out:
342 return ret;
343}
344
195static int __devinit device_irq_init(struct pm860x_chip *chip, 345static int __devinit device_irq_init(struct pm860x_chip *chip,
196 struct pm860x_platform_data *pdata) 346 struct pm860x_platform_data *pdata)
197{ 347{
@@ -264,14 +414,40 @@ static void __devinit device_8606_init(struct pm860x_chip *chip,
264 struct i2c_client *i2c, 414 struct i2c_client *i2c,
265 struct pm860x_platform_data *pdata) 415 struct pm860x_platform_data *pdata)
266{ 416{
417 int ret;
418
419 if (pdata && pdata->backlight) {
420 ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
421 ARRAY_SIZE(backlight_devs),
422 &backlight_resources[0], 0);
423 if (ret < 0) {
424 dev_err(chip->dev, "Failed to add backlight "
425 "subdev\n");
426 goto out_dev;
427 }
428 }
429
430 if (pdata && pdata->led) {
431 ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
432 ARRAY_SIZE(led_devs),
433 &led_resources[0], 0);
434 if (ret < 0) {
435 dev_err(chip->dev, "Failed to add led "
436 "subdev\n");
437 goto out_dev;
438 }
439 }
440 return;
441out_dev:
442 mfd_remove_devices(chip->dev);
443 device_irq_exit(chip);
267} 444}
268 445
269static void __devinit device_8607_init(struct pm860x_chip *chip, 446static void __devinit device_8607_init(struct pm860x_chip *chip,
270 struct i2c_client *i2c, 447 struct i2c_client *i2c,
271 struct pm860x_platform_data *pdata) 448 struct pm860x_platform_data *pdata)
272{ 449{
273 int i, count, data; 450 int data, ret;
274 int ret;
275 451
276 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID); 452 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
277 if (ret < 0) { 453 if (ret < 0) {
@@ -311,19 +487,36 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
311 goto out; 487 goto out;
312 } 488 }
313 489
490 ret = device_gpadc_init(chip, pdata);
491 if (ret < 0)
492 goto out;
493
314 ret = device_irq_init(chip, pdata); 494 ret = device_irq_init(chip, pdata);
315 if (ret < 0) 495 if (ret < 0)
316 goto out; 496 goto out;
317 497
318 count = ARRAY_SIZE(pm8607_devs); 498 ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
319 for (i = 0; i < count; i++) { 499 ARRAY_SIZE(regulator_devs),
320 ret = mfd_add_devices(chip->dev, i, &pm8607_devs[i], 500 &regulator_resources[0], 0);
321 1, NULL, 0); 501 if (ret < 0) {
322 if (ret != 0) { 502 dev_err(chip->dev, "Failed to add regulator subdev\n");
323 dev_err(chip->dev, "Failed to add subdevs\n"); 503 goto out_dev;
324 goto out; 504 }
505
506 if (pdata && pdata->touch) {
507 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
508 ARRAY_SIZE(touch_devs),
509 &touch_resources[0], 0);
510 if (ret < 0) {
511 dev_err(chip->dev, "Failed to add touch "
512 "subdev\n");
513 goto out_dev;
325 } 514 }
326 } 515 }
516 return;
517out_dev:
518 mfd_remove_devices(chip->dev);
519 device_irq_exit(chip);
327out: 520out:
328 return; 521 return;
329} 522}
diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h
index b4d6018ba0d6..d7edf11784f5 100644
--- a/include/linux/mfd/88pm860x.h
+++ b/include/linux/mfd/88pm860x.h
@@ -14,6 +14,8 @@
14 14
15#include <linux/interrupt.h> 15#include <linux/interrupt.h>
16 16
17#define MFD_NAME_SIZE (40)
18
17enum { 19enum {
18 CHIP_INVALID = 0, 20 CHIP_INVALID = 0,
19 CHIP_PM8606, 21 CHIP_PM8606,
@@ -22,6 +24,99 @@ enum {
22}; 24};
23 25
24enum { 26enum {
27 PM8606_ID_INVALID,
28 PM8606_ID_BACKLIGHT,
29 PM8606_ID_LED,
30 PM8606_ID_VIBRATOR,
31 PM8606_ID_TOUCH,
32 PM8606_ID_SOUND,
33 PM8606_ID_CHARGER,
34 PM8606_ID_MAX,
35};
36
37enum {
38 PM8606_BACKLIGHT1 = 0,
39 PM8606_BACKLIGHT2,
40 PM8606_BACKLIGHT3,
41};
42
43enum {
44 PM8606_LED1_RED = 0,
45 PM8606_LED1_GREEN,
46 PM8606_LED1_BLUE,
47 PM8606_LED2_RED,
48 PM8606_LED2_GREEN,
49 PM8606_LED2_BLUE,
50 PM8607_LED_VIBRATOR,
51};
52
53
54/* 8606 Registers */
55#define PM8606_DCM_BOOST (0x00)
56#define PM8606_PWM (0x01)
57
58/* Backlight Registers */
59#define PM8606_WLED1A (0x02)
60#define PM8606_WLED1B (0x03)
61#define PM8606_WLED2A (0x04)
62#define PM8606_WLED2B (0x05)
63#define PM8606_WLED3A (0x06)
64#define PM8606_WLED3B (0x07)
65
66/* LED Registers */
67#define PM8606_RGB2A (0x08)
68#define PM8606_RGB2B (0x09)
69#define PM8606_RGB2C (0x0A)
70#define PM8606_RGB2D (0x0B)
71#define PM8606_RGB1A (0x0C)
72#define PM8606_RGB1B (0x0D)
73#define PM8606_RGB1C (0x0E)
74#define PM8606_RGB1D (0x0F)
75
76#define PM8606_PREREGULATORA (0x10)
77#define PM8606_PREREGULATORB (0x11)
78#define PM8606_VIBRATORA (0x12)
79#define PM8606_VIBRATORB (0x13)
80#define PM8606_VCHG (0x14)
81#define PM8606_VSYS (0x15)
82#define PM8606_MISC (0x16)
83#define PM8606_CHIP_ID (0x17)
84#define PM8606_STATUS (0x18)
85#define PM8606_FLAGS (0x19)
86#define PM8606_PROTECTA (0x1A)
87#define PM8606_PROTECTB (0x1B)
88#define PM8606_PROTECTC (0x1C)
89
90/* Bit definitions of PM8606 registers */
91#define PM8606_DCM_500MA (0x0) /* current limit */
92#define PM8606_DCM_750MA (0x1)
93#define PM8606_DCM_1000MA (0x2)
94#define PM8606_DCM_1250MA (0x3)
95#define PM8606_DCM_250MV (0x0 << 2)
96#define PM8606_DCM_300MV (0x1 << 2)
97#define PM8606_DCM_350MV (0x2 << 2)
98#define PM8606_DCM_400MV (0x3 << 2)
99
100#define PM8606_PWM_31200HZ (0x0)
101#define PM8606_PWM_15600HZ (0x1)
102#define PM8606_PWM_7800HZ (0x2)
103#define PM8606_PWM_3900HZ (0x3)
104#define PM8606_PWM_1950HZ (0x4)
105#define PM8606_PWM_976HZ (0x5)
106#define PM8606_PWM_488HZ (0x6)
107#define PM8606_PWM_244HZ (0x7)
108#define PM8606_PWM_FREQ_MASK (0x7)
109
110#define PM8606_WLED_ON (1 << 0)
111#define PM8606_WLED_CURRENT(x) ((x & 0x1F) << 1)
112
113#define PM8606_LED_CURRENT(x) (((x >> 2) & 0x07) << 5)
114
115#define PM8606_VSYS_EN (1 << 1)
116
117#define PM8606_MISC_OSC_EN (1 << 4)
118
119enum {
25 PM8607_ID_BUCK1 = 0, 120 PM8607_ID_BUCK1 = 0,
26 PM8607_ID_BUCK2, 121 PM8607_ID_BUCK2,
27 PM8607_ID_BUCK3, 122 PM8607_ID_BUCK3,
@@ -91,6 +186,21 @@ enum {
91#define PM8607_SUPPLIES_EN21 (0x33) 186#define PM8607_SUPPLIES_EN21 (0x33)
92#define PM8607_SUPPLIES_EN22 (0x34) 187#define PM8607_SUPPLIES_EN22 (0x34)
93 188
189/* Vibrator Control Registers */
190#define PM8607_VIBRATOR_SET (0x28)
191#define PM8607_VIBRATOR_PWM (0x29)
192
193/* GPADC Registers */
194#define PM8607_GP_BIAS1 (0x4F)
195#define PM8607_MEAS_EN1 (0x50)
196#define PM8607_MEAS_EN2 (0x51)
197#define PM8607_MEAS_EN3 (0x52)
198#define PM8607_MEAS_OFF_TIME1 (0x53)
199#define PM8607_MEAS_OFF_TIME2 (0x54)
200#define PM8607_TSI_PREBIAS (0x55) /* prebias time */
201#define PM8607_PD_PREBIAS (0x56) /* prebias time */
202#define PM8607_GPADC_MISC1 (0x57)
203
94/* RTC Control Registers */ 204/* RTC Control Registers */
95#define PM8607_RTC1 (0xA0) 205#define PM8607_RTC1 (0xA0)
96#define PM8607_RTC_COUNTER1 (0xA1) 206#define PM8607_RTC_COUNTER1 (0xA1)
@@ -140,6 +250,16 @@ enum {
140#define PM8607_B0_MISC1_PI2C (1 << 3) 250#define PM8607_B0_MISC1_PI2C (1 << 3)
141#define PM8607_B0_MISC1_RESET (1 << 6) 251#define PM8607_B0_MISC1_RESET (1 << 6)
142 252
253/* bits definitions of GPADC */
254#define PM8607_GPADC_EN (1 << 0)
255#define PM8607_GPADC_PREBIAS_MASK (3 << 1)
256#define PM8607_GPADC_SLOT_CYCLE_MASK (3 << 3) /* slow mode */
257#define PM8607_GPADC_OFF_SCALE_MASK (3 << 5) /* GP sleep mode */
258#define PM8607_GPADC_SW_CAL_MASK (1 << 7)
259
260#define PM8607_PD_PREBIAS_MASK (0x1F << 0)
261#define PM8607_PD_PRECHG_MASK (7 << 5)
262
143/* Interrupt Number in 88PM8607 */ 263/* Interrupt Number in 88PM8607 */
144enum { 264enum {
145 PM8607_IRQ_ONKEY = 0, 265 PM8607_IRQ_ONKEY = 0,
@@ -202,13 +322,44 @@ enum {
202 PI2C_PORT, 322 PI2C_PORT,
203}; 323};
204 324
325struct pm860x_backlight_pdata {
326 int id;
327 int pwm;
328 int iset;
329 unsigned long flags;
330};
331
332struct pm860x_led_pdata {
333 int id;
334 int iset;
335 unsigned long flags;
336};
337
338struct pm860x_touch_pdata {
339 int gpadc_prebias;
340 int slot_cycle;
341 int off_scale;
342 int sw_cal;
343 int tsi_prebias; /* time, slot */
344 int pen_prebias; /* time, slot */
345 int pen_prechg; /* time, slot */
346 unsigned long flags;
347};
348
205struct pm860x_platform_data { 349struct pm860x_platform_data {
350 struct pm860x_backlight_pdata *backlight;
351 struct pm860x_led_pdata *led;
352 struct pm860x_touch_pdata *touch;
353
206 unsigned short companion_addr; /* I2C address of companion chip */ 354 unsigned short companion_addr; /* I2C address of companion chip */
207 int i2c_port; /* Controlled by GI2C or PI2C */ 355 int i2c_port; /* Controlled by GI2C or PI2C */
208 int irq_mode; /* Clear interrupt by read/write(0/1) */ 356 int irq_mode; /* Clear interrupt by read/write(0/1) */
209 struct regulator_init_data *regulator[PM8607_MAX_REGULATOR]; 357 struct regulator_init_data *regulator[PM8607_MAX_REGULATOR];
210}; 358};
211 359
360extern char pm860x_backlight_name[][MFD_NAME_SIZE];
361extern char pm860x_led_name[][MFD_NAME_SIZE];
362
212extern int pm860x_reg_read(struct i2c_client *, int); 363extern int pm860x_reg_read(struct i2c_client *, int);
213extern int pm860x_reg_write(struct i2c_client *, int, unsigned char); 364extern int pm860x_reg_write(struct i2c_client *, int, unsigned char);
214extern int pm860x_bulk_read(struct i2c_client *, int, int, unsigned char *); 365extern int pm860x_bulk_read(struct i2c_client *, int, int, unsigned char *);