2 * Copyright (C) ST-Ericsson SA 2010
4 * License Terms: GNU General Public License v2
5 * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
6 * Author: Rabin Vincent <rabin.vincent@stericsson.com>
7 * Author: Mattias Wallin <mattias.wallin@stericsson.com>
10 #include <linux/kernel.h>
11 #include <linux/slab.h>
12 #include <linux/init.h>
13 #include <linux/irq.h>
14 #include <linux/irqdomain.h>
15 #include <linux/delay.h>
16 #include <linux/interrupt.h>
17 #include <linux/module.h>
18 #include <linux/platform_device.h>
19 #include <linux/mfd/core.h>
20 #include <linux/mfd/abx500.h>
21 #include <linux/mfd/abx500/ab8500.h>
22 #include <linux/mfd/abx500/ab8500-bm.h>
23 #include <linux/mfd/dbx500-prcmu.h>
24 #include <linux/regulator/ab8500.h>
26 #include <linux/of_device.h>
29 * Interrupt register offsets
32 #define AB8500_IT_SOURCE1_REG 0x00
33 #define AB8500_IT_SOURCE2_REG 0x01
34 #define AB8500_IT_SOURCE3_REG 0x02
35 #define AB8500_IT_SOURCE4_REG 0x03
36 #define AB8500_IT_SOURCE5_REG 0x04
37 #define AB8500_IT_SOURCE6_REG 0x05
38 #define AB8500_IT_SOURCE7_REG 0x06
39 #define AB8500_IT_SOURCE8_REG 0x07
40 #define AB9540_IT_SOURCE13_REG 0x0C
41 #define AB8500_IT_SOURCE19_REG 0x12
42 #define AB8500_IT_SOURCE20_REG 0x13
43 #define AB8500_IT_SOURCE21_REG 0x14
44 #define AB8500_IT_SOURCE22_REG 0x15
45 #define AB8500_IT_SOURCE23_REG 0x16
46 #define AB8500_IT_SOURCE24_REG 0x17
51 #define AB8500_IT_LATCH1_REG 0x20
52 #define AB8500_IT_LATCH2_REG 0x21
53 #define AB8500_IT_LATCH3_REG 0x22
54 #define AB8500_IT_LATCH4_REG 0x23
55 #define AB8500_IT_LATCH5_REG 0x24
56 #define AB8500_IT_LATCH6_REG 0x25
57 #define AB8500_IT_LATCH7_REG 0x26
58 #define AB8500_IT_LATCH8_REG 0x27
59 #define AB8500_IT_LATCH9_REG 0x28
60 #define AB8500_IT_LATCH10_REG 0x29
61 #define AB8500_IT_LATCH12_REG 0x2B
62 #define AB9540_IT_LATCH13_REG 0x2C
63 #define AB8500_IT_LATCH19_REG 0x32
64 #define AB8500_IT_LATCH20_REG 0x33
65 #define AB8500_IT_LATCH21_REG 0x34
66 #define AB8500_IT_LATCH22_REG 0x35
67 #define AB8500_IT_LATCH23_REG 0x36
68 #define AB8500_IT_LATCH24_REG 0x37
74 #define AB8500_IT_MASK1_REG 0x40
75 #define AB8500_IT_MASK2_REG 0x41
76 #define AB8500_IT_MASK3_REG 0x42
77 #define AB8500_IT_MASK4_REG 0x43
78 #define AB8500_IT_MASK5_REG 0x44
79 #define AB8500_IT_MASK6_REG 0x45
80 #define AB8500_IT_MASK7_REG 0x46
81 #define AB8500_IT_MASK8_REG 0x47
82 #define AB8500_IT_MASK9_REG 0x48
83 #define AB8500_IT_MASK10_REG 0x49
84 #define AB8500_IT_MASK11_REG 0x4A
85 #define AB8500_IT_MASK12_REG 0x4B
86 #define AB8500_IT_MASK13_REG 0x4C
87 #define AB8500_IT_MASK14_REG 0x4D
88 #define AB8500_IT_MASK15_REG 0x4E
89 #define AB8500_IT_MASK16_REG 0x4F
90 #define AB8500_IT_MASK17_REG 0x50
91 #define AB8500_IT_MASK18_REG 0x51
92 #define AB8500_IT_MASK19_REG 0x52
93 #define AB8500_IT_MASK20_REG 0x53
94 #define AB8500_IT_MASK21_REG 0x54
95 #define AB8500_IT_MASK22_REG 0x55
96 #define AB8500_IT_MASK23_REG 0x56
97 #define AB8500_IT_MASK24_REG 0x57
100 * latch hierarchy registers
102 #define AB8500_IT_LATCHHIER1_REG 0x60
103 #define AB8500_IT_LATCHHIER2_REG 0x61
104 #define AB8500_IT_LATCHHIER3_REG 0x62
106 #define AB8500_IT_LATCHHIER_NUM 3
108 #define AB8500_REV_REG 0x80
109 #define AB8500_IC_NAME_REG 0x82
110 #define AB8500_SWITCH_OFF_STATUS 0x00
112 #define AB8500_TURN_ON_STATUS 0x00
114 static bool no_bm
; /* No battery management */
115 module_param(no_bm
, bool, S_IRUGO
);
117 #define AB9540_MODEM_CTRL2_REG 0x23
118 #define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2)
121 * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
122 * numbers are indexed into this array with (num / 8). The interupts are
123 * defined in linux/mfd/ab8500.h
125 * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at
129 static const int ab8500_irq_regoffset
[AB8500_NUM_IRQ_REGS
] = {
130 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,
134 static const int ab9540_irq_regoffset
[AB9540_NUM_IRQ_REGS
] = {
135 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24,
138 static const char ab8500_version_str
[][7] = {
139 [AB8500_VERSION_AB8500
] = "AB8500",
140 [AB8500_VERSION_AB8505
] = "AB8505",
141 [AB8500_VERSION_AB9540
] = "AB9540",
142 [AB8500_VERSION_AB8540
] = "AB8540",
145 static int ab8500_prcmu_write(struct ab8500
*ab8500
, u16 addr
, u8 data
)
149 ret
= prcmu_abb_write((u8
)(addr
>> 8), (u8
)(addr
& 0xFF), &data
, 1);
151 dev_err(ab8500
->dev
, "prcmu i2c error %d\n", ret
);
155 static int ab8500_prcmu_write_masked(struct ab8500
*ab8500
, u16 addr
, u8 mask
,
160 ret
= prcmu_abb_write_masked((u8
)(addr
>> 8), (u8
)(addr
& 0xFF), &data
,
163 dev_err(ab8500
->dev
, "prcmu i2c error %d\n", ret
);
167 static int ab8500_prcmu_read(struct ab8500
*ab8500
, u16 addr
)
172 ret
= prcmu_abb_read((u8
)(addr
>> 8), (u8
)(addr
& 0xFF), &data
, 1);
174 dev_err(ab8500
->dev
, "prcmu i2c error %d\n", ret
);
180 static int ab8500_get_chip_id(struct device
*dev
)
182 struct ab8500
*ab8500
;
186 ab8500
= dev_get_drvdata(dev
->parent
);
187 return ab8500
? (int)ab8500
->chip_id
: -EINVAL
;
190 static int set_register_interruptible(struct ab8500
*ab8500
, u8 bank
,
195 * Put the u8 bank and u8 register together into a an u16.
196 * The bank on higher 8 bits and register in lower 8 bits.
198 u16 addr
= ((u16
)bank
) << 8 | reg
;
200 dev_vdbg(ab8500
->dev
, "wr: addr %#x <= %#x\n", addr
, data
);
202 mutex_lock(&ab8500
->lock
);
204 ret
= ab8500
->write(ab8500
, addr
, data
);
206 dev_err(ab8500
->dev
, "failed to write reg %#x: %d\n",
208 mutex_unlock(&ab8500
->lock
);
213 static int ab8500_set_register(struct device
*dev
, u8 bank
,
217 struct ab8500
*ab8500
= dev_get_drvdata(dev
->parent
);
219 atomic_inc(&ab8500
->transfer_ongoing
);
220 ret
= set_register_interruptible(ab8500
, bank
, reg
, value
);
221 atomic_dec(&ab8500
->transfer_ongoing
);
225 static int get_register_interruptible(struct ab8500
*ab8500
, u8 bank
,
229 /* put the u8 bank and u8 reg together into a an u16.
230 * bank on higher 8 bits and reg in lower */
231 u16 addr
= ((u16
)bank
) << 8 | reg
;
233 mutex_lock(&ab8500
->lock
);
235 ret
= ab8500
->read(ab8500
, addr
);
237 dev_err(ab8500
->dev
, "failed to read reg %#x: %d\n",
242 mutex_unlock(&ab8500
->lock
);
243 dev_vdbg(ab8500
->dev
, "rd: addr %#x => data %#x\n", addr
, ret
);
248 static int ab8500_get_register(struct device
*dev
, u8 bank
,
252 struct ab8500
*ab8500
= dev_get_drvdata(dev
->parent
);
254 atomic_inc(&ab8500
->transfer_ongoing
);
255 ret
= get_register_interruptible(ab8500
, bank
, reg
, value
);
256 atomic_dec(&ab8500
->transfer_ongoing
);
260 static int mask_and_set_register_interruptible(struct ab8500
*ab8500
, u8 bank
,
261 u8 reg
, u8 bitmask
, u8 bitvalues
)
264 /* put the u8 bank and u8 reg together into a an u16.
265 * bank on higher 8 bits and reg in lower */
266 u16 addr
= ((u16
)bank
) << 8 | reg
;
268 mutex_lock(&ab8500
->lock
);
270 if (ab8500
->write_masked
== NULL
) {
273 ret
= ab8500
->read(ab8500
, addr
);
275 dev_err(ab8500
->dev
, "failed to read reg %#x: %d\n",
281 data
= (~bitmask
& data
) | (bitmask
& bitvalues
);
283 ret
= ab8500
->write(ab8500
, addr
, data
);
285 dev_err(ab8500
->dev
, "failed to write reg %#x: %d\n",
288 dev_vdbg(ab8500
->dev
, "mask: addr %#x => data %#x\n", addr
,
292 ret
= ab8500
->write_masked(ab8500
, addr
, bitmask
, bitvalues
);
294 dev_err(ab8500
->dev
, "failed to modify reg %#x: %d\n", addr
,
297 mutex_unlock(&ab8500
->lock
);
301 static int ab8500_mask_and_set_register(struct device
*dev
,
302 u8 bank
, u8 reg
, u8 bitmask
, u8 bitvalues
)
305 struct ab8500
*ab8500
= dev_get_drvdata(dev
->parent
);
307 atomic_inc(&ab8500
->transfer_ongoing
);
308 ret
= mask_and_set_register_interruptible(ab8500
, bank
, reg
,
310 atomic_dec(&ab8500
->transfer_ongoing
);
314 static struct abx500_ops ab8500_ops
= {
315 .get_chip_id
= ab8500_get_chip_id
,
316 .get_register
= ab8500_get_register
,
317 .set_register
= ab8500_set_register
,
318 .get_register_page
= NULL
,
319 .set_register_page
= NULL
,
320 .mask_and_set_register
= ab8500_mask_and_set_register
,
321 .event_registers_startup_state_get
= NULL
,
322 .startup_irq_enabled
= NULL
,
325 static void ab8500_irq_lock(struct irq_data
*data
)
327 struct ab8500
*ab8500
= irq_data_get_irq_chip_data(data
);
329 mutex_lock(&ab8500
->irq_lock
);
330 atomic_inc(&ab8500
->transfer_ongoing
);
333 static void ab8500_irq_sync_unlock(struct irq_data
*data
)
335 struct ab8500
*ab8500
= irq_data_get_irq_chip_data(data
);
338 for (i
= 0; i
< ab8500
->mask_size
; i
++) {
339 u8 old
= ab8500
->oldmask
[i
];
340 u8
new = ab8500
->mask
[i
];
347 * Interrupt register 12 doesn't exist prior to AB8500 version
350 if (ab8500
->irq_reg_offset
[i
] == 11 &&
351 is_ab8500_1p1_or_earlier(ab8500
))
354 ab8500
->oldmask
[i
] = new;
356 reg
= AB8500_IT_MASK1_REG
+ ab8500
->irq_reg_offset
[i
];
357 set_register_interruptible(ab8500
, AB8500_INTERRUPT
, reg
, new);
359 atomic_dec(&ab8500
->transfer_ongoing
);
360 mutex_unlock(&ab8500
->irq_lock
);
363 static void ab8500_irq_mask(struct irq_data
*data
)
365 struct ab8500
*ab8500
= irq_data_get_irq_chip_data(data
);
366 int offset
= data
->hwirq
;
367 int index
= offset
/ 8;
368 int mask
= 1 << (offset
% 8);
370 ab8500
->mask
[index
] |= mask
;
372 /* The AB8500 GPIOs have two interrupts each (rising & falling). */
373 if (offset
>= AB8500_INT_GPIO6R
&& offset
<= AB8500_INT_GPIO41R
)
374 ab8500
->mask
[index
+ 2] |= mask
;
375 if (offset
>= AB9540_INT_GPIO50R
&& offset
<= AB9540_INT_GPIO54R
)
376 ab8500
->mask
[index
+ 1] |= mask
;
377 if (offset
== AB8540_INT_GPIO43R
|| offset
== AB8540_INT_GPIO44R
)
378 /* Here the falling IRQ is one bit lower */
379 ab8500
->mask
[index
] |= (mask
<< 1);
382 static void ab8500_irq_unmask(struct irq_data
*data
)
384 struct ab8500
*ab8500
= irq_data_get_irq_chip_data(data
);
385 unsigned int type
= irqd_get_trigger_type(data
);
386 int offset
= data
->hwirq
;
387 int index
= offset
/ 8;
388 int mask
= 1 << (offset
% 8);
390 if (type
& IRQ_TYPE_EDGE_RISING
)
391 ab8500
->mask
[index
] &= ~mask
;
393 /* The AB8500 GPIOs have two interrupts each (rising & falling). */
394 if (type
& IRQ_TYPE_EDGE_FALLING
) {
395 if (offset
>= AB8500_INT_GPIO6R
&& offset
<= AB8500_INT_GPIO41R
)
396 ab8500
->mask
[index
+ 2] &= ~mask
;
397 else if (offset
>= AB9540_INT_GPIO50R
&& offset
<= AB9540_INT_GPIO54R
)
398 ab8500
->mask
[index
+ 1] &= ~mask
;
399 else if (offset
== AB8540_INT_GPIO43R
|| offset
== AB8540_INT_GPIO44R
)
400 /* Here the falling IRQ is one bit lower */
401 ab8500
->mask
[index
] &= ~(mask
<< 1);
403 ab8500
->mask
[index
] &= ~mask
;
405 /* Satisfies the case where type is not set. */
406 ab8500
->mask
[index
] &= ~mask
;
410 static struct irq_chip ab8500_irq_chip
= {
412 .irq_bus_lock
= ab8500_irq_lock
,
413 .irq_bus_sync_unlock
= ab8500_irq_sync_unlock
,
414 .irq_mask
= ab8500_irq_mask
,
415 .irq_disable
= ab8500_irq_mask
,
416 .irq_unmask
= ab8500_irq_unmask
,
419 static int ab8500_handle_hierarchical_line(struct ab8500
*ab8500
,
420 int latch_offset
, u8 latch_val
)
422 int int_bit
= __ffs(latch_val
);
426 int_bit
= __ffs(latch_val
);
428 for (i
= 0; i
< ab8500
->mask_size
; i
++)
429 if (ab8500
->irq_reg_offset
[i
] == latch_offset
)
432 if (i
>= ab8500
->mask_size
) {
433 dev_err(ab8500
->dev
, "Register offset 0x%2x not declared\n",
438 line
= (i
<< 3) + int_bit
;
439 latch_val
&= ~(1 << int_bit
);
442 * This handles the falling edge hwirqs from the GPIO
443 * lines. Route them back to the line registered for the
444 * rising IRQ, as this is merely a flag for the same IRQ
447 if (line
>= AB8500_INT_GPIO6F
&& line
<= AB8500_INT_GPIO41F
)
449 if (line
>= AB9540_INT_GPIO50F
&& line
<= AB9540_INT_GPIO54F
)
451 if (line
== AB8540_INT_GPIO43F
|| line
== AB8540_INT_GPIO44F
)
454 handle_nested_irq(ab8500
->irq_base
+ line
);
460 static int ab8500_handle_hierarchical_latch(struct ab8500
*ab8500
,
461 int hier_offset
, u8 hier_val
)
463 int latch_bit
, status
;
464 u8 latch_offset
, latch_val
;
467 latch_bit
= __ffs(hier_val
);
468 latch_offset
= (hier_offset
<< 3) + latch_bit
;
470 /* Fix inconsistent ITFromLatch25 bit mapping... */
471 if (unlikely(latch_offset
== 17))
474 status
= get_register_interruptible(ab8500
,
476 AB8500_IT_LATCH1_REG
+ latch_offset
,
478 if (status
< 0 || latch_val
== 0)
481 status
= ab8500_handle_hierarchical_line(ab8500
,
482 latch_offset
, latch_val
);
486 hier_val
&= ~(1 << latch_bit
);
492 static irqreturn_t
ab8500_hierarchical_irq(int irq
, void *dev
)
494 struct ab8500
*ab8500
= dev
;
497 dev_vdbg(ab8500
->dev
, "interrupt\n");
499 /* Hierarchical interrupt version */
500 for (i
= 0; i
< AB8500_IT_LATCHHIER_NUM
; i
++) {
504 status
= get_register_interruptible(ab8500
, AB8500_INTERRUPT
,
505 AB8500_IT_LATCHHIER1_REG
+ i
, &hier_val
);
506 if (status
< 0 || hier_val
== 0)
509 status
= ab8500_handle_hierarchical_latch(ab8500
, i
, hier_val
);
517 * ab8500_irq_get_virq(): Map an interrupt on a chip to a virtual IRQ
519 * @ab8500: ab8500_irq controller to operate on.
520 * @irq: index of the interrupt requested in the chip IRQs
522 * Useful for drivers to request their own IRQs.
524 static int ab8500_irq_get_virq(struct ab8500
*ab8500
, int irq
)
529 return irq_create_mapping(ab8500
->domain
, irq
);
532 static irqreturn_t
ab8500_irq(int irq
, void *dev
)
534 struct ab8500
*ab8500
= dev
;
537 dev_vdbg(ab8500
->dev
, "interrupt\n");
539 atomic_inc(&ab8500
->transfer_ongoing
);
541 for (i
= 0; i
< ab8500
->mask_size
; i
++) {
542 int regoffset
= ab8500
->irq_reg_offset
[i
];
547 * Interrupt register 12 doesn't exist prior to AB8500 version
550 if (regoffset
== 11 && is_ab8500_1p1_or_earlier(ab8500
))
553 status
= get_register_interruptible(ab8500
, AB8500_INTERRUPT
,
554 AB8500_IT_LATCH1_REG
+ regoffset
, &value
);
555 if (status
< 0 || value
== 0)
559 int bit
= __ffs(value
);
560 int line
= i
* 8 + bit
;
561 int virq
= ab8500_irq_get_virq(ab8500
, line
);
563 handle_nested_irq(virq
);
564 value
&= ~(1 << bit
);
568 atomic_dec(&ab8500
->transfer_ongoing
);
572 static int ab8500_irq_map(struct irq_domain
*d
, unsigned int virq
,
573 irq_hw_number_t hwirq
)
575 struct ab8500
*ab8500
= d
->host_data
;
580 irq_set_chip_data(virq
, ab8500
);
581 irq_set_chip_and_handler(virq
, &ab8500_irq_chip
,
583 irq_set_nested_thread(virq
, 1);
585 set_irq_flags(virq
, IRQF_VALID
);
587 irq_set_noprobe(virq
);
593 static struct irq_domain_ops ab8500_irq_ops
= {
594 .map
= ab8500_irq_map
,
595 .xlate
= irq_domain_xlate_twocell
,
598 static int ab8500_irq_init(struct ab8500
*ab8500
, struct device_node
*np
)
602 if (is_ab9540(ab8500
))
603 num_irqs
= AB9540_NR_IRQS
;
604 else if (is_ab8505(ab8500
))
605 num_irqs
= AB8505_NR_IRQS
;
607 num_irqs
= AB8500_NR_IRQS
;
609 /* If ->irq_base is zero this will give a linear mapping */
610 ab8500
->domain
= irq_domain_add_simple(NULL
,
611 num_irqs
, ab8500
->irq_base
,
612 &ab8500_irq_ops
, ab8500
);
614 if (!ab8500
->domain
) {
615 dev_err(ab8500
->dev
, "Failed to create irqdomain\n");
622 int ab8500_suspend(struct ab8500
*ab8500
)
624 if (atomic_read(&ab8500
->transfer_ongoing
))
630 static struct resource ab8500_gpadc_resources
[] = {
632 .name
= "HW_CONV_END",
633 .start
= AB8500_INT_GP_HW_ADC_CONV_END
,
634 .end
= AB8500_INT_GP_HW_ADC_CONV_END
,
635 .flags
= IORESOURCE_IRQ
,
638 .name
= "SW_CONV_END",
639 .start
= AB8500_INT_GP_SW_ADC_CONV_END
,
640 .end
= AB8500_INT_GP_SW_ADC_CONV_END
,
641 .flags
= IORESOURCE_IRQ
,
645 static struct resource ab8500_rtc_resources
[] = {
648 .start
= AB8500_INT_RTC_60S
,
649 .end
= AB8500_INT_RTC_60S
,
650 .flags
= IORESOURCE_IRQ
,
654 .start
= AB8500_INT_RTC_ALARM
,
655 .end
= AB8500_INT_RTC_ALARM
,
656 .flags
= IORESOURCE_IRQ
,
660 static struct resource ab8500_poweronkey_db_resources
[] = {
663 .start
= AB8500_INT_PON_KEY1DB_F
,
664 .end
= AB8500_INT_PON_KEY1DB_F
,
665 .flags
= IORESOURCE_IRQ
,
669 .start
= AB8500_INT_PON_KEY1DB_R
,
670 .end
= AB8500_INT_PON_KEY1DB_R
,
671 .flags
= IORESOURCE_IRQ
,
675 static struct resource ab8500_av_acc_detect_resources
[] = {
677 .name
= "ACC_DETECT_1DB_F",
678 .start
= AB8500_INT_ACC_DETECT_1DB_F
,
679 .end
= AB8500_INT_ACC_DETECT_1DB_F
,
680 .flags
= IORESOURCE_IRQ
,
683 .name
= "ACC_DETECT_1DB_R",
684 .start
= AB8500_INT_ACC_DETECT_1DB_R
,
685 .end
= AB8500_INT_ACC_DETECT_1DB_R
,
686 .flags
= IORESOURCE_IRQ
,
689 .name
= "ACC_DETECT_21DB_F",
690 .start
= AB8500_INT_ACC_DETECT_21DB_F
,
691 .end
= AB8500_INT_ACC_DETECT_21DB_F
,
692 .flags
= IORESOURCE_IRQ
,
695 .name
= "ACC_DETECT_21DB_R",
696 .start
= AB8500_INT_ACC_DETECT_21DB_R
,
697 .end
= AB8500_INT_ACC_DETECT_21DB_R
,
698 .flags
= IORESOURCE_IRQ
,
701 .name
= "ACC_DETECT_22DB_F",
702 .start
= AB8500_INT_ACC_DETECT_22DB_F
,
703 .end
= AB8500_INT_ACC_DETECT_22DB_F
,
704 .flags
= IORESOURCE_IRQ
,
707 .name
= "ACC_DETECT_22DB_R",
708 .start
= AB8500_INT_ACC_DETECT_22DB_R
,
709 .end
= AB8500_INT_ACC_DETECT_22DB_R
,
710 .flags
= IORESOURCE_IRQ
,
714 static struct resource ab8500_charger_resources
[] = {
716 .name
= "MAIN_CH_UNPLUG_DET",
717 .start
= AB8500_INT_MAIN_CH_UNPLUG_DET
,
718 .end
= AB8500_INT_MAIN_CH_UNPLUG_DET
,
719 .flags
= IORESOURCE_IRQ
,
722 .name
= "MAIN_CHARGE_PLUG_DET",
723 .start
= AB8500_INT_MAIN_CH_PLUG_DET
,
724 .end
= AB8500_INT_MAIN_CH_PLUG_DET
,
725 .flags
= IORESOURCE_IRQ
,
728 .name
= "VBUS_DET_R",
729 .start
= AB8500_INT_VBUS_DET_R
,
730 .end
= AB8500_INT_VBUS_DET_R
,
731 .flags
= IORESOURCE_IRQ
,
734 .name
= "VBUS_DET_F",
735 .start
= AB8500_INT_VBUS_DET_F
,
736 .end
= AB8500_INT_VBUS_DET_F
,
737 .flags
= IORESOURCE_IRQ
,
740 .name
= "USB_LINK_STATUS",
741 .start
= AB8500_INT_USB_LINK_STATUS
,
742 .end
= AB8500_INT_USB_LINK_STATUS
,
743 .flags
= IORESOURCE_IRQ
,
747 .start
= AB8500_INT_VBUS_OVV
,
748 .end
= AB8500_INT_VBUS_OVV
,
749 .flags
= IORESOURCE_IRQ
,
752 .name
= "USB_CH_TH_PROT_R",
753 .start
= AB8500_INT_USB_CH_TH_PROT_R
,
754 .end
= AB8500_INT_USB_CH_TH_PROT_R
,
755 .flags
= IORESOURCE_IRQ
,
758 .name
= "USB_CH_TH_PROT_F",
759 .start
= AB8500_INT_USB_CH_TH_PROT_F
,
760 .end
= AB8500_INT_USB_CH_TH_PROT_F
,
761 .flags
= IORESOURCE_IRQ
,
764 .name
= "MAIN_EXT_CH_NOT_OK",
765 .start
= AB8500_INT_MAIN_EXT_CH_NOT_OK
,
766 .end
= AB8500_INT_MAIN_EXT_CH_NOT_OK
,
767 .flags
= IORESOURCE_IRQ
,
770 .name
= "MAIN_CH_TH_PROT_R",
771 .start
= AB8500_INT_MAIN_CH_TH_PROT_R
,
772 .end
= AB8500_INT_MAIN_CH_TH_PROT_R
,
773 .flags
= IORESOURCE_IRQ
,
776 .name
= "MAIN_CH_TH_PROT_F",
777 .start
= AB8500_INT_MAIN_CH_TH_PROT_F
,
778 .end
= AB8500_INT_MAIN_CH_TH_PROT_F
,
779 .flags
= IORESOURCE_IRQ
,
782 .name
= "USB_CHARGER_NOT_OKR",
783 .start
= AB8500_INT_USB_CHARGER_NOT_OKR
,
784 .end
= AB8500_INT_USB_CHARGER_NOT_OKR
,
785 .flags
= IORESOURCE_IRQ
,
789 .start
= AB8500_INT_CH_WD_EXP
,
790 .end
= AB8500_INT_CH_WD_EXP
,
791 .flags
= IORESOURCE_IRQ
,
795 static struct resource ab8500_btemp_resources
[] = {
797 .name
= "BAT_CTRL_INDB",
798 .start
= AB8500_INT_BAT_CTRL_INDB
,
799 .end
= AB8500_INT_BAT_CTRL_INDB
,
800 .flags
= IORESOURCE_IRQ
,
804 .start
= AB8500_INT_BTEMP_LOW
,
805 .end
= AB8500_INT_BTEMP_LOW
,
806 .flags
= IORESOURCE_IRQ
,
809 .name
= "BTEMP_HIGH",
810 .start
= AB8500_INT_BTEMP_HIGH
,
811 .end
= AB8500_INT_BTEMP_HIGH
,
812 .flags
= IORESOURCE_IRQ
,
815 .name
= "BTEMP_LOW_MEDIUM",
816 .start
= AB8500_INT_BTEMP_LOW_MEDIUM
,
817 .end
= AB8500_INT_BTEMP_LOW_MEDIUM
,
818 .flags
= IORESOURCE_IRQ
,
821 .name
= "BTEMP_MEDIUM_HIGH",
822 .start
= AB8500_INT_BTEMP_MEDIUM_HIGH
,
823 .end
= AB8500_INT_BTEMP_MEDIUM_HIGH
,
824 .flags
= IORESOURCE_IRQ
,
828 static struct resource ab8500_fg_resources
[] = {
830 .name
= "NCONV_ACCU",
831 .start
= AB8500_INT_CCN_CONV_ACC
,
832 .end
= AB8500_INT_CCN_CONV_ACC
,
833 .flags
= IORESOURCE_IRQ
,
837 .start
= AB8500_INT_BATT_OVV
,
838 .end
= AB8500_INT_BATT_OVV
,
839 .flags
= IORESOURCE_IRQ
,
843 .start
= AB8500_INT_LOW_BAT_F
,
844 .end
= AB8500_INT_LOW_BAT_F
,
845 .flags
= IORESOURCE_IRQ
,
849 .start
= AB8500_INT_LOW_BAT_R
,
850 .end
= AB8500_INT_LOW_BAT_R
,
851 .flags
= IORESOURCE_IRQ
,
854 .name
= "CC_INT_CALIB",
855 .start
= AB8500_INT_CC_INT_CALIB
,
856 .end
= AB8500_INT_CC_INT_CALIB
,
857 .flags
= IORESOURCE_IRQ
,
861 .start
= AB8500_INT_CCEOC
,
862 .end
= AB8500_INT_CCEOC
,
863 .flags
= IORESOURCE_IRQ
,
867 static struct resource ab8500_chargalg_resources
[] = {};
869 #ifdef CONFIG_DEBUG_FS
870 static struct resource ab8500_debug_resources
[] = {
873 .start
= AB8500_INT_MAIN_EXT_CH_NOT_OK
,
874 .end
= AB8500_INT_MAIN_EXT_CH_NOT_OK
,
875 .flags
= IORESOURCE_IRQ
,
879 .start
= AB8500_INT_XTAL32K_KO
,
880 .end
= AB8500_INT_XTAL32K_KO
,
881 .flags
= IORESOURCE_IRQ
,
886 static struct resource ab8500_usb_resources
[] = {
888 .name
= "ID_WAKEUP_R",
889 .start
= AB8500_INT_ID_WAKEUP_R
,
890 .end
= AB8500_INT_ID_WAKEUP_R
,
891 .flags
= IORESOURCE_IRQ
,
894 .name
= "ID_WAKEUP_F",
895 .start
= AB8500_INT_ID_WAKEUP_F
,
896 .end
= AB8500_INT_ID_WAKEUP_F
,
897 .flags
= IORESOURCE_IRQ
,
900 .name
= "VBUS_DET_F",
901 .start
= AB8500_INT_VBUS_DET_F
,
902 .end
= AB8500_INT_VBUS_DET_F
,
903 .flags
= IORESOURCE_IRQ
,
906 .name
= "VBUS_DET_R",
907 .start
= AB8500_INT_VBUS_DET_R
,
908 .end
= AB8500_INT_VBUS_DET_R
,
909 .flags
= IORESOURCE_IRQ
,
912 .name
= "USB_LINK_STATUS",
913 .start
= AB8500_INT_USB_LINK_STATUS
,
914 .end
= AB8500_INT_USB_LINK_STATUS
,
915 .flags
= IORESOURCE_IRQ
,
918 .name
= "USB_ADP_PROBE_PLUG",
919 .start
= AB8500_INT_ADP_PROBE_PLUG
,
920 .end
= AB8500_INT_ADP_PROBE_PLUG
,
921 .flags
= IORESOURCE_IRQ
,
924 .name
= "USB_ADP_PROBE_UNPLUG",
925 .start
= AB8500_INT_ADP_PROBE_UNPLUG
,
926 .end
= AB8500_INT_ADP_PROBE_UNPLUG
,
927 .flags
= IORESOURCE_IRQ
,
931 static struct resource ab8505_iddet_resources
[] = {
933 .name
= "KeyDeglitch",
934 .start
= AB8505_INT_KEYDEGLITCH
,
935 .end
= AB8505_INT_KEYDEGLITCH
,
936 .flags
= IORESOURCE_IRQ
,
940 .start
= AB8505_INT_KP
,
941 .end
= AB8505_INT_KP
,
942 .flags
= IORESOURCE_IRQ
,
946 .start
= AB8505_INT_IKP
,
947 .end
= AB8505_INT_IKP
,
948 .flags
= IORESOURCE_IRQ
,
952 .start
= AB8505_INT_IKR
,
953 .end
= AB8505_INT_IKR
,
954 .flags
= IORESOURCE_IRQ
,
958 .start
= AB8505_INT_KEYSTUCK
,
959 .end
= AB8505_INT_KEYSTUCK
,
960 .flags
= IORESOURCE_IRQ
,
964 static struct resource ab8500_temp_resources
[] = {
966 .name
= "AB8500_TEMP_WARM",
967 .start
= AB8500_INT_TEMP_WARM
,
968 .end
= AB8500_INT_TEMP_WARM
,
969 .flags
= IORESOURCE_IRQ
,
973 static struct mfd_cell abx500_common_devs
[] = {
974 #ifdef CONFIG_DEBUG_FS
976 .name
= "ab8500-debug",
977 .of_compatible
= "stericsson,ab8500-debug",
978 .num_resources
= ARRAY_SIZE(ab8500_debug_resources
),
979 .resources
= ab8500_debug_resources
,
983 .name
= "ab8500-sysctrl",
984 .of_compatible
= "stericsson,ab8500-sysctrl",
987 .name
= "ab8500-regulator",
988 .of_compatible
= "stericsson,ab8500-regulator",
991 .name
= "abx500-clk",
992 .of_compatible
= "stericsson,abx500-clk",
995 .name
= "ab8500-gpadc",
996 .of_compatible
= "stericsson,ab8500-gpadc",
997 .num_resources
= ARRAY_SIZE(ab8500_gpadc_resources
),
998 .resources
= ab8500_gpadc_resources
,
1001 .name
= "ab8500-rtc",
1002 .of_compatible
= "stericsson,ab8500-rtc",
1003 .num_resources
= ARRAY_SIZE(ab8500_rtc_resources
),
1004 .resources
= ab8500_rtc_resources
,
1007 .name
= "ab8500-acc-det",
1008 .of_compatible
= "stericsson,ab8500-acc-det",
1009 .num_resources
= ARRAY_SIZE(ab8500_av_acc_detect_resources
),
1010 .resources
= ab8500_av_acc_detect_resources
,
1013 .name
= "ab8500-poweron-key",
1014 .of_compatible
= "stericsson,ab8500-poweron-key",
1015 .num_resources
= ARRAY_SIZE(ab8500_poweronkey_db_resources
),
1016 .resources
= ab8500_poweronkey_db_resources
,
1019 .name
= "ab8500-pwm",
1020 .of_compatible
= "stericsson,ab8500-pwm",
1024 .name
= "ab8500-pwm",
1025 .of_compatible
= "stericsson,ab8500-pwm",
1029 .name
= "ab8500-pwm",
1030 .of_compatible
= "stericsson,ab8500-pwm",
1034 .name
= "ab8500-leds",
1035 .of_compatible
= "stericsson,ab8500-leds",
1038 .name
= "ab8500-denc",
1039 .of_compatible
= "stericsson,ab8500-denc",
1042 .name
= "ab8500-temp",
1043 .of_compatible
= "stericsson,ab8500-temp",
1044 .num_resources
= ARRAY_SIZE(ab8500_temp_resources
),
1045 .resources
= ab8500_temp_resources
,
1049 static struct mfd_cell ab8500_bm_devs
[] = {
1051 .name
= "ab8500-charger",
1052 .of_compatible
= "stericsson,ab8500-charger",
1053 .num_resources
= ARRAY_SIZE(ab8500_charger_resources
),
1054 .resources
= ab8500_charger_resources
,
1056 .platform_data
= &ab8500_bm_data
,
1057 .pdata_size
= sizeof(ab8500_bm_data
),
1061 .name
= "ab8500-btemp",
1062 .of_compatible
= "stericsson,ab8500-btemp",
1063 .num_resources
= ARRAY_SIZE(ab8500_btemp_resources
),
1064 .resources
= ab8500_btemp_resources
,
1066 .platform_data
= &ab8500_bm_data
,
1067 .pdata_size
= sizeof(ab8500_bm_data
),
1071 .name
= "ab8500-fg",
1072 .of_compatible
= "stericsson,ab8500-fg",
1073 .num_resources
= ARRAY_SIZE(ab8500_fg_resources
),
1074 .resources
= ab8500_fg_resources
,
1076 .platform_data
= &ab8500_bm_data
,
1077 .pdata_size
= sizeof(ab8500_bm_data
),
1081 .name
= "ab8500-chargalg",
1082 .of_compatible
= "stericsson,ab8500-chargalg",
1083 .num_resources
= ARRAY_SIZE(ab8500_chargalg_resources
),
1084 .resources
= ab8500_chargalg_resources
,
1086 .platform_data
= &ab8500_bm_data
,
1087 .pdata_size
= sizeof(ab8500_bm_data
),
1092 static struct mfd_cell ab8500_devs
[] = {
1094 .name
= "ab8500-gpio",
1095 .of_compatible
= "stericsson,ab8500-gpio",
1098 .name
= "ab8500-usb",
1099 .of_compatible
= "stericsson,ab8500-usb",
1100 .num_resources
= ARRAY_SIZE(ab8500_usb_resources
),
1101 .resources
= ab8500_usb_resources
,
1104 .name
= "ab8500-codec",
1105 .of_compatible
= "stericsson,ab8500-codec",
1109 static struct mfd_cell ab9540_devs
[] = {
1111 .name
= "ab8500-gpio",
1114 .name
= "ab9540-usb",
1115 .num_resources
= ARRAY_SIZE(ab8500_usb_resources
),
1116 .resources
= ab8500_usb_resources
,
1119 .name
= "ab9540-codec",
1123 /* Device list common to ab9540 and ab8505 */
1124 static struct mfd_cell ab9540_ab8505_devs
[] = {
1127 .num_resources
= ARRAY_SIZE(ab8505_iddet_resources
),
1128 .resources
= ab8505_iddet_resources
,
1132 static ssize_t
show_chip_id(struct device
*dev
,
1133 struct device_attribute
*attr
, char *buf
)
1135 struct ab8500
*ab8500
;
1137 ab8500
= dev_get_drvdata(dev
);
1138 return sprintf(buf
, "%#x\n", ab8500
? ab8500
->chip_id
: -EINVAL
);
1142 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1143 * 0x01 Swoff bit programming
1144 * 0x02 Thermal protection activation
1145 * 0x04 Vbat lower then BattOk falling threshold
1146 * 0x08 Watchdog expired
1147 * 0x10 Non presence of 32kHz clock
1148 * 0x20 Battery level lower than power on reset threshold
1149 * 0x40 Power on key 1 pressed longer than 10 seconds
1150 * 0x80 DB8500 thermal shutdown
1152 static ssize_t
show_switch_off_status(struct device
*dev
,
1153 struct device_attribute
*attr
, char *buf
)
1157 struct ab8500
*ab8500
;
1159 ab8500
= dev_get_drvdata(dev
);
1160 ret
= get_register_interruptible(ab8500
, AB8500_RTC
,
1161 AB8500_SWITCH_OFF_STATUS
, &value
);
1164 return sprintf(buf
, "%#x\n", value
);
1168 * ab8500 has turned on due to (TURN_ON_STATUS):
1178 static ssize_t
show_turn_on_status(struct device
*dev
,
1179 struct device_attribute
*attr
, char *buf
)
1183 struct ab8500
*ab8500
;
1185 ab8500
= dev_get_drvdata(dev
);
1186 ret
= get_register_interruptible(ab8500
, AB8500_SYS_CTRL1_BLOCK
,
1187 AB8500_TURN_ON_STATUS
, &value
);
1190 return sprintf(buf
, "%#x\n", value
);
1193 static ssize_t
show_ab9540_dbbrstn(struct device
*dev
,
1194 struct device_attribute
*attr
, char *buf
)
1196 struct ab8500
*ab8500
;
1200 ab8500
= dev_get_drvdata(dev
);
1202 ret
= get_register_interruptible(ab8500
, AB8500_REGU_CTRL2
,
1203 AB9540_MODEM_CTRL2_REG
, &value
);
1207 return sprintf(buf
, "%d\n",
1208 (value
& AB9540_MODEM_CTRL2_SWDBBRSTN_BIT
) ? 1 : 0);
1211 static ssize_t
store_ab9540_dbbrstn(struct device
*dev
,
1212 struct device_attribute
*attr
, const char *buf
, size_t count
)
1214 struct ab8500
*ab8500
;
1219 ab8500
= dev_get_drvdata(dev
);
1227 bitvalues
= AB9540_MODEM_CTRL2_SWDBBRSTN_BIT
;
1233 err
= mask_and_set_register_interruptible(ab8500
,
1234 AB8500_REGU_CTRL2
, AB9540_MODEM_CTRL2_REG
,
1235 AB9540_MODEM_CTRL2_SWDBBRSTN_BIT
, bitvalues
);
1237 dev_info(ab8500
->dev
,
1238 "Failed to set DBBRSTN %c, err %#x\n",
1246 static DEVICE_ATTR(chip_id
, S_IRUGO
, show_chip_id
, NULL
);
1247 static DEVICE_ATTR(switch_off_status
, S_IRUGO
, show_switch_off_status
, NULL
);
1248 static DEVICE_ATTR(turn_on_status
, S_IRUGO
, show_turn_on_status
, NULL
);
1249 static DEVICE_ATTR(dbbrstn
, S_IRUGO
| S_IWUSR
,
1250 show_ab9540_dbbrstn
, store_ab9540_dbbrstn
);
1252 static struct attribute
*ab8500_sysfs_entries
[] = {
1253 &dev_attr_chip_id
.attr
,
1254 &dev_attr_switch_off_status
.attr
,
1255 &dev_attr_turn_on_status
.attr
,
1259 static struct attribute
*ab9540_sysfs_entries
[] = {
1260 &dev_attr_chip_id
.attr
,
1261 &dev_attr_switch_off_status
.attr
,
1262 &dev_attr_turn_on_status
.attr
,
1263 &dev_attr_dbbrstn
.attr
,
1267 static struct attribute_group ab8500_attr_group
= {
1268 .attrs
= ab8500_sysfs_entries
,
1271 static struct attribute_group ab9540_attr_group
= {
1272 .attrs
= ab9540_sysfs_entries
,
1275 static int ab8500_probe(struct platform_device
*pdev
)
1277 static char *switch_off_status
[] = {
1278 "Swoff bit programming",
1279 "Thermal protection activation",
1280 "Vbat lower then BattOk falling threshold",
1282 "Non presence of 32kHz clock",
1283 "Battery level lower than power on reset threshold",
1284 "Power on key 1 pressed longer than 10 seconds",
1285 "DB8500 thermal shutdown"};
1286 struct ab8500_platform_data
*plat
= dev_get_platdata(&pdev
->dev
);
1287 const struct platform_device_id
*platid
= platform_get_device_id(pdev
);
1288 enum ab8500_version version
= AB8500_VERSION_UNDEFINED
;
1289 struct device_node
*np
= pdev
->dev
.of_node
;
1290 struct ab8500
*ab8500
;
1291 struct resource
*resource
;
1296 ab8500
= devm_kzalloc(&pdev
->dev
, sizeof *ab8500
, GFP_KERNEL
);
1301 ab8500
->irq_base
= plat
->irq_base
;
1303 ab8500
->dev
= &pdev
->dev
;
1305 resource
= platform_get_resource(pdev
, IORESOURCE_IRQ
, 0);
1309 ab8500
->irq
= resource
->start
;
1311 ab8500
->read
= ab8500_prcmu_read
;
1312 ab8500
->write
= ab8500_prcmu_write
;
1313 ab8500
->write_masked
= ab8500_prcmu_write_masked
;
1315 mutex_init(&ab8500
->lock
);
1316 mutex_init(&ab8500
->irq_lock
);
1317 atomic_set(&ab8500
->transfer_ongoing
, 0);
1319 platform_set_drvdata(pdev
, ab8500
);
1322 version
= platid
->driver_data
;
1324 if (version
!= AB8500_VERSION_UNDEFINED
)
1325 ab8500
->version
= version
;
1327 ret
= get_register_interruptible(ab8500
, AB8500_MISC
,
1328 AB8500_IC_NAME_REG
, &value
);
1332 ab8500
->version
= value
;
1335 ret
= get_register_interruptible(ab8500
, AB8500_MISC
,
1336 AB8500_REV_REG
, &value
);
1340 ab8500
->chip_id
= value
;
1342 dev_info(ab8500
->dev
, "detected chip, %s rev. %1x.%1x\n",
1343 ab8500_version_str
[ab8500
->version
],
1344 ab8500
->chip_id
>> 4,
1345 ab8500
->chip_id
& 0x0F);
1347 /* Configure AB8500 or AB9540 IRQ */
1348 if (is_ab9540(ab8500
) || is_ab8505(ab8500
)) {
1349 ab8500
->mask_size
= AB9540_NUM_IRQ_REGS
;
1350 ab8500
->irq_reg_offset
= ab9540_irq_regoffset
;
1352 ab8500
->mask_size
= AB8500_NUM_IRQ_REGS
;
1353 ab8500
->irq_reg_offset
= ab8500_irq_regoffset
;
1355 ab8500
->mask
= devm_kzalloc(&pdev
->dev
, ab8500
->mask_size
, GFP_KERNEL
);
1358 ab8500
->oldmask
= devm_kzalloc(&pdev
->dev
, ab8500
->mask_size
, GFP_KERNEL
);
1359 if (!ab8500
->oldmask
)
1363 * ab8500 has switched off due to (SWITCH_OFF_STATUS):
1364 * 0x01 Swoff bit programming
1365 * 0x02 Thermal protection activation
1366 * 0x04 Vbat lower then BattOk falling threshold
1367 * 0x08 Watchdog expired
1368 * 0x10 Non presence of 32kHz clock
1369 * 0x20 Battery level lower than power on reset threshold
1370 * 0x40 Power on key 1 pressed longer than 10 seconds
1371 * 0x80 DB8500 thermal shutdown
1374 ret
= get_register_interruptible(ab8500
, AB8500_RTC
,
1375 AB8500_SWITCH_OFF_STATUS
, &value
);
1378 dev_info(ab8500
->dev
, "switch off cause(s) (%#x): ", value
);
1381 for (i
= 0; i
< ARRAY_SIZE(switch_off_status
); i
++) {
1383 printk(KERN_CONT
" \"%s\"",
1384 switch_off_status
[i
]);
1388 printk(KERN_CONT
"\n");
1390 printk(KERN_CONT
" None\n");
1393 if (plat
&& plat
->init
)
1396 /* Clear and mask all interrupts */
1397 for (i
= 0; i
< ab8500
->mask_size
; i
++) {
1399 * Interrupt register 12 doesn't exist prior to AB8500 version
1402 if (ab8500
->irq_reg_offset
[i
] == 11 &&
1403 is_ab8500_1p1_or_earlier(ab8500
))
1406 get_register_interruptible(ab8500
, AB8500_INTERRUPT
,
1407 AB8500_IT_LATCH1_REG
+ ab8500
->irq_reg_offset
[i
],
1409 set_register_interruptible(ab8500
, AB8500_INTERRUPT
,
1410 AB8500_IT_MASK1_REG
+ ab8500
->irq_reg_offset
[i
], 0xff);
1413 ret
= abx500_register_ops(ab8500
->dev
, &ab8500_ops
);
1417 for (i
= 0; i
< ab8500
->mask_size
; i
++)
1418 ab8500
->mask
[i
] = ab8500
->oldmask
[i
] = 0xff;
1420 ret
= ab8500_irq_init(ab8500
, np
);
1424 /* Activate this feature only in ab9540 */
1425 /* till tests are done on ab8500 1p2 or later*/
1426 if (is_ab9540(ab8500
)) {
1427 ret
= devm_request_threaded_irq(&pdev
->dev
, ab8500
->irq
, NULL
,
1428 ab8500_hierarchical_irq
,
1429 IRQF_ONESHOT
| IRQF_NO_SUSPEND
,
1433 ret
= devm_request_threaded_irq(&pdev
->dev
, ab8500
->irq
, NULL
,
1435 IRQF_ONESHOT
| IRQF_NO_SUSPEND
,
1441 ret
= mfd_add_devices(ab8500
->dev
, 0, abx500_common_devs
,
1442 ARRAY_SIZE(abx500_common_devs
), NULL
,
1443 ab8500
->irq_base
, ab8500
->domain
);
1447 if (is_ab9540(ab8500
))
1448 ret
= mfd_add_devices(ab8500
->dev
, 0, ab9540_devs
,
1449 ARRAY_SIZE(ab9540_devs
), NULL
,
1450 ab8500
->irq_base
, ab8500
->domain
);
1452 ret
= mfd_add_devices(ab8500
->dev
, 0, ab8500_devs
,
1453 ARRAY_SIZE(ab8500_devs
), NULL
,
1454 ab8500
->irq_base
, ab8500
->domain
);
1458 if (is_ab9540(ab8500
) || is_ab8505(ab8500
))
1459 ret
= mfd_add_devices(ab8500
->dev
, 0, ab9540_ab8505_devs
,
1460 ARRAY_SIZE(ab9540_ab8505_devs
), NULL
,
1461 ab8500
->irq_base
, ab8500
->domain
);
1466 /* Add battery management devices */
1467 ret
= mfd_add_devices(ab8500
->dev
, 0, ab8500_bm_devs
,
1468 ARRAY_SIZE(ab8500_bm_devs
), NULL
,
1469 ab8500
->irq_base
, ab8500
->domain
);
1471 dev_err(ab8500
->dev
, "error adding bm devices\n");
1474 if (is_ab9540(ab8500
))
1475 ret
= sysfs_create_group(&ab8500
->dev
->kobj
,
1476 &ab9540_attr_group
);
1478 ret
= sysfs_create_group(&ab8500
->dev
->kobj
,
1479 &ab8500_attr_group
);
1481 dev_err(ab8500
->dev
, "error creating sysfs entries\n");
1486 static int ab8500_remove(struct platform_device
*pdev
)
1488 struct ab8500
*ab8500
= platform_get_drvdata(pdev
);
1490 if (is_ab9540(ab8500
))
1491 sysfs_remove_group(&ab8500
->dev
->kobj
, &ab9540_attr_group
);
1493 sysfs_remove_group(&ab8500
->dev
->kobj
, &ab8500_attr_group
);
1495 mfd_remove_devices(ab8500
->dev
);
1500 static const struct platform_device_id ab8500_id
[] = {
1501 { "ab8500-core", AB8500_VERSION_AB8500
},
1502 { "ab8505-i2c", AB8500_VERSION_AB8505
},
1503 { "ab9540-i2c", AB8500_VERSION_AB9540
},
1504 { "ab8540-i2c", AB8500_VERSION_AB8540
},
1508 static struct platform_driver ab8500_core_driver
= {
1510 .name
= "ab8500-core",
1511 .owner
= THIS_MODULE
,
1513 .probe
= ab8500_probe
,
1514 .remove
= ab8500_remove
,
1515 .id_table
= ab8500_id
,
1518 static int __init
ab8500_core_init(void)
1520 return platform_driver_register(&ab8500_core_driver
);
1523 static void __exit
ab8500_core_exit(void)
1525 platform_driver_unregister(&ab8500_core_driver
);
1527 core_initcall(ab8500_core_init
);
1528 module_exit(ab8500_core_exit
);
1530 MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
1531 MODULE_DESCRIPTION("AB8500 MFD core");
1532 MODULE_LICENSE("GPL v2");