2 * twl4030_core.c - driver for TWL4030/TPS659x0 PM and audio CODEC devices
4 * Copyright (C) 2005-2006 Texas Instruments, Inc.
6 * Modifications to defer interrupt handling to a kernel thread:
7 * Copyright (C) 2006 MontaVista Software, Inc.
9 * Based on tlv320aic23.c:
10 * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
12 * Code cleanup and modifications to IRQ handler.
13 * by syed khasim <x0khasim@ti.com>
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #include <linux/init.h>
31 #include <linux/mutex.h>
32 #include <linux/platform_device.h>
33 #include <linux/clk.h>
34 #include <linux/err.h>
36 #include <linux/regulator/machine.h>
38 #include <linux/i2c.h>
39 #include <linux/i2c/twl4030.h>
43 * The TWL4030 "Triton 2" is one of a family of a multi-function "Power
44 * Management and System Companion Device" chips originally designed for
45 * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C,
46 * often at around 3 Mbit/sec, including for interrupt handling.
48 * This driver core provides genirq support for the interrupts emitted,
49 * by the various modules, and exports register access primitives.
51 * FIXME this driver currently requires use of the first interrupt line
52 * (and associated registers).
55 #define DRIVER_NAME "twl4030"
57 #if defined(CONFIG_TWL4030_BCI_BATTERY) || \
58 defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
59 #define twl_has_bci() true
61 #define twl_has_bci() false
64 #if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE)
65 #define twl_has_keypad() true
67 #define twl_has_keypad() false
70 #if defined(CONFIG_GPIO_TWL4030) || defined(CONFIG_GPIO_TWL4030_MODULE)
71 #define twl_has_gpio() true
73 #define twl_has_gpio() false
76 #if defined(CONFIG_REGULATOR_TWL4030) \
77 || defined(CONFIG_REGULATOR_TWL4030_MODULE)
78 #define twl_has_regulator() true
80 #define twl_has_regulator() false
83 #if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE)
84 #define twl_has_madc() true
86 #define twl_has_madc() false
89 #if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE)
90 #define twl_has_rtc() true
92 #define twl_has_rtc() false
95 #if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE)
96 #define twl_has_usb() true
98 #define twl_has_usb() false
102 /* Triton Core internal information (BEGIN) */
104 /* Last - for index max*/
105 #define TWL4030_MODULE_LAST TWL4030_MODULE_SECURED_REG
107 #define TWL4030_NUM_SLAVES 4
110 /* Base Address defns for twl4030_map[] */
112 /* subchip/slave 0 - USB ID */
113 #define TWL4030_BASEADD_USB 0x0000
115 /* subchip/slave 1 - AUD ID */
116 #define TWL4030_BASEADD_AUDIO_VOICE 0x0000
117 #define TWL4030_BASEADD_GPIO 0x0098
118 #define TWL4030_BASEADD_INTBR 0x0085
119 #define TWL4030_BASEADD_PIH 0x0080
120 #define TWL4030_BASEADD_TEST 0x004C
122 /* subchip/slave 2 - AUX ID */
123 #define TWL4030_BASEADD_INTERRUPTS 0x00B9
124 #define TWL4030_BASEADD_LED 0x00EE
125 #define TWL4030_BASEADD_MADC 0x0000
126 #define TWL4030_BASEADD_MAIN_CHARGE 0x0074
127 #define TWL4030_BASEADD_PRECHARGE 0x00AA
128 #define TWL4030_BASEADD_PWM0 0x00F8
129 #define TWL4030_BASEADD_PWM1 0x00FB
130 #define TWL4030_BASEADD_PWMA 0x00EF
131 #define TWL4030_BASEADD_PWMB 0x00F1
132 #define TWL4030_BASEADD_KEYPAD 0x00D2
134 /* subchip/slave 3 - POWER ID */
135 #define TWL4030_BASEADD_BACKUP 0x0014
136 #define TWL4030_BASEADD_INT 0x002E
137 #define TWL4030_BASEADD_PM_MASTER 0x0036
138 #define TWL4030_BASEADD_PM_RECEIVER 0x005B
139 #define TWL4030_BASEADD_RTC 0x001C
140 #define TWL4030_BASEADD_SECURED_REG 0x0000
142 /* Triton Core internal information (END) */
145 /* Few power values */
146 #define R_CFG_BOOT 0x05
147 #define R_PROTECT_KEY 0x0E
149 /* access control values for R_PROTECT_KEY */
150 #define KEY_UNLOCK1 0xce
151 #define KEY_UNLOCK2 0xec
152 #define KEY_LOCK 0x00
154 /* some fields in R_CFG_BOOT */
155 #define HFCLK_FREQ_19p2_MHZ (1 << 0)
156 #define HFCLK_FREQ_26_MHZ (2 << 0)
157 #define HFCLK_FREQ_38p4_MHZ (3 << 0)
158 #define HIGH_PERF_SQ (1 << 3)
161 /* chip-specific feature flags, for i2c_device_id.driver_data */
162 #define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */
163 #define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */
165 /*----------------------------------------------------------------------*/
167 /* is driver active, bound to a chip? */
170 /* Structure for each TWL4030 Slave */
171 struct twl4030_client
{
172 struct i2c_client
*client
;
175 /* max numb of i2c_msg required is for read =2 */
176 struct i2c_msg xfer_msg
[2];
178 /* To lock access to xfer_msg */
179 struct mutex xfer_lock
;
182 static struct twl4030_client twl4030_modules
[TWL4030_NUM_SLAVES
];
185 /* mapping the module id to slave id and base address */
186 struct twl4030mapping
{
187 unsigned char sid
; /* Slave ID */
188 unsigned char base
; /* base address */
191 static struct twl4030mapping twl4030_map
[TWL4030_MODULE_LAST
+ 1] = {
193 * NOTE: don't change this table without updating the
194 * <linux/i2c/twl4030.h> defines for TWL4030_MODULE_*
195 * so they continue to match the order in this table.
198 { 0, TWL4030_BASEADD_USB
},
200 { 1, TWL4030_BASEADD_AUDIO_VOICE
},
201 { 1, TWL4030_BASEADD_GPIO
},
202 { 1, TWL4030_BASEADD_INTBR
},
203 { 1, TWL4030_BASEADD_PIH
},
204 { 1, TWL4030_BASEADD_TEST
},
206 { 2, TWL4030_BASEADD_KEYPAD
},
207 { 2, TWL4030_BASEADD_MADC
},
208 { 2, TWL4030_BASEADD_INTERRUPTS
},
209 { 2, TWL4030_BASEADD_LED
},
210 { 2, TWL4030_BASEADD_MAIN_CHARGE
},
211 { 2, TWL4030_BASEADD_PRECHARGE
},
212 { 2, TWL4030_BASEADD_PWM0
},
213 { 2, TWL4030_BASEADD_PWM1
},
214 { 2, TWL4030_BASEADD_PWMA
},
215 { 2, TWL4030_BASEADD_PWMB
},
217 { 3, TWL4030_BASEADD_BACKUP
},
218 { 3, TWL4030_BASEADD_INT
},
219 { 3, TWL4030_BASEADD_PM_MASTER
},
220 { 3, TWL4030_BASEADD_PM_RECEIVER
},
221 { 3, TWL4030_BASEADD_RTC
},
222 { 3, TWL4030_BASEADD_SECURED_REG
},
225 /*----------------------------------------------------------------------*/
227 /* Exported Functions */
230 * twl4030_i2c_write - Writes a n bit register in TWL4030
231 * @mod_no: module number
232 * @value: an array of num_bytes+1 containing data to write
233 * @reg: register address (just offset will do)
234 * @num_bytes: number of bytes to transfer
236 * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and
237 * valid data starts at Offset 1.
239 * Returns the result of operation - 0 is success
241 int twl4030_i2c_write(u8 mod_no
, u8
*value
, u8 reg
, unsigned num_bytes
)
245 struct twl4030_client
*twl
;
248 if (unlikely(mod_no
> TWL4030_MODULE_LAST
)) {
249 pr_err("%s: invalid module number %d\n", DRIVER_NAME
, mod_no
);
252 sid
= twl4030_map
[mod_no
].sid
;
253 twl
= &twl4030_modules
[sid
];
255 if (unlikely(!inuse
)) {
256 pr_err("%s: client %d is not initialized\n", DRIVER_NAME
, sid
);
259 mutex_lock(&twl
->xfer_lock
);
261 * [MSG1]: fill the register address data
262 * fill the data Tx buffer
264 msg
= &twl
->xfer_msg
[0];
265 msg
->addr
= twl
->address
;
266 msg
->len
= num_bytes
+ 1;
269 /* over write the first byte of buffer with the register address */
270 *value
= twl4030_map
[mod_no
].base
+ reg
;
271 ret
= i2c_transfer(twl
->client
->adapter
, twl
->xfer_msg
, 1);
272 mutex_unlock(&twl
->xfer_lock
);
274 /* i2cTransfer returns num messages.translate it pls.. */
279 EXPORT_SYMBOL(twl4030_i2c_write
);
282 * twl4030_i2c_read - Reads a n bit register in TWL4030
283 * @mod_no: module number
284 * @value: an array of num_bytes containing data to be read
285 * @reg: register address (just offset will do)
286 * @num_bytes: number of bytes to transfer
288 * Returns result of operation - num_bytes is success else failure.
290 int twl4030_i2c_read(u8 mod_no
, u8
*value
, u8 reg
, unsigned num_bytes
)
295 struct twl4030_client
*twl
;
298 if (unlikely(mod_no
> TWL4030_MODULE_LAST
)) {
299 pr_err("%s: invalid module number %d\n", DRIVER_NAME
, mod_no
);
302 sid
= twl4030_map
[mod_no
].sid
;
303 twl
= &twl4030_modules
[sid
];
305 if (unlikely(!inuse
)) {
306 pr_err("%s: client %d is not initialized\n", DRIVER_NAME
, sid
);
309 mutex_lock(&twl
->xfer_lock
);
310 /* [MSG1] fill the register address data */
311 msg
= &twl
->xfer_msg
[0];
312 msg
->addr
= twl
->address
;
314 msg
->flags
= 0; /* Read the register value */
315 val
= twl4030_map
[mod_no
].base
+ reg
;
317 /* [MSG2] fill the data rx buffer */
318 msg
= &twl
->xfer_msg
[1];
319 msg
->addr
= twl
->address
;
320 msg
->flags
= I2C_M_RD
; /* Read the register value */
321 msg
->len
= num_bytes
; /* only n bytes */
323 ret
= i2c_transfer(twl
->client
->adapter
, twl
->xfer_msg
, 2);
324 mutex_unlock(&twl
->xfer_lock
);
326 /* i2cTransfer returns num messages.translate it pls.. */
331 EXPORT_SYMBOL(twl4030_i2c_read
);
334 * twl4030_i2c_write_u8 - Writes a 8 bit register in TWL4030
335 * @mod_no: module number
336 * @value: the value to be written 8 bit
337 * @reg: register address (just offset will do)
339 * Returns result of operation - 0 is success
341 int twl4030_i2c_write_u8(u8 mod_no
, u8 value
, u8 reg
)
344 /* 2 bytes offset 1 contains the data offset 0 is used by i2c_write */
345 u8 temp_buffer
[2] = { 0 };
346 /* offset 1 contains the data */
347 temp_buffer
[1] = value
;
348 return twl4030_i2c_write(mod_no
, temp_buffer
, reg
, 1);
350 EXPORT_SYMBOL(twl4030_i2c_write_u8
);
353 * twl4030_i2c_read_u8 - Reads a 8 bit register from TWL4030
354 * @mod_no: module number
355 * @value: the value read 8 bit
356 * @reg: register address (just offset will do)
358 * Returns result of operation - 0 is success
360 int twl4030_i2c_read_u8(u8 mod_no
, u8
*value
, u8 reg
)
362 return twl4030_i2c_read(mod_no
, value
, reg
, 1);
364 EXPORT_SYMBOL(twl4030_i2c_read_u8
);
366 /*----------------------------------------------------------------------*/
368 static struct device
*
369 add_numbered_child(unsigned chip
, const char *name
, int num
,
370 void *pdata
, unsigned pdata_len
,
371 bool can_wakeup
, int irq0
, int irq1
)
373 struct platform_device
*pdev
;
374 struct twl4030_client
*twl
= &twl4030_modules
[chip
];
377 pdev
= platform_device_alloc(name
, num
);
379 dev_dbg(&twl
->client
->dev
, "can't alloc dev\n");
384 device_init_wakeup(&pdev
->dev
, can_wakeup
);
385 pdev
->dev
.parent
= &twl
->client
->dev
;
388 status
= platform_device_add_data(pdev
, pdata
, pdata_len
);
390 dev_dbg(&pdev
->dev
, "can't add platform_data\n");
396 struct resource r
[2] = {
397 { .start
= irq0
, .flags
= IORESOURCE_IRQ
, },
398 { .start
= irq1
, .flags
= IORESOURCE_IRQ
, },
401 status
= platform_device_add_resources(pdev
, r
, irq1
? 2 : 1);
403 dev_dbg(&pdev
->dev
, "can't add irqs\n");
408 status
= platform_device_add(pdev
);
412 platform_device_put(pdev
);
413 dev_err(&twl
->client
->dev
, "can't add %s dev\n", name
);
414 return ERR_PTR(status
);
419 static inline struct device
*add_child(unsigned chip
, const char *name
,
420 void *pdata
, unsigned pdata_len
,
421 bool can_wakeup
, int irq0
, int irq1
)
423 return add_numbered_child(chip
, name
, -1, pdata
, pdata_len
,
424 can_wakeup
, irq0
, irq1
);
427 static struct device
*
428 add_regulator_linked(int num
, struct regulator_init_data
*pdata
,
429 struct regulator_consumer_supply
*consumers
,
430 unsigned num_consumers
)
432 /* regulator framework demands init_data ... */
437 pdata
->consumer_supplies
= consumers
;
438 pdata
->num_consumer_supplies
= num_consumers
;
441 /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */
442 return add_numbered_child(3, "twl4030_reg", num
,
443 pdata
, sizeof(*pdata
), false, 0, 0);
446 static struct device
*
447 add_regulator(int num
, struct regulator_init_data
*pdata
)
449 return add_regulator_linked(num
, pdata
, NULL
, 0);
453 * NOTE: We know the first 8 IRQs after pdata->base_irq are
454 * for the PIH, and the next are for the PWR_INT SIH, since
455 * that's how twl_init_irq() sets things up.
459 add_children(struct twl4030_platform_data
*pdata
, unsigned long features
)
461 struct device
*child
;
462 struct device
*usb_transceiver
= NULL
;
464 if (twl_has_bci() && pdata
->bci
&& !(features
& TPS_SUBSET
)) {
465 child
= add_child(3, "twl4030_bci",
466 pdata
->bci
, sizeof(*pdata
->bci
),
468 /* irq0 = CHG_PRES, irq1 = BCI */
469 pdata
->irq_base
+ 8 + 1, pdata
->irq_base
+ 2);
471 return PTR_ERR(child
);
474 if (twl_has_gpio() && pdata
->gpio
) {
475 child
= add_child(1, "twl4030_gpio",
476 pdata
->gpio
, sizeof(*pdata
->gpio
),
477 false, pdata
->irq_base
+ 0, 0);
479 return PTR_ERR(child
);
482 if (twl_has_keypad() && pdata
->keypad
) {
483 child
= add_child(2, "twl4030_keypad",
484 pdata
->keypad
, sizeof(*pdata
->keypad
),
485 true, pdata
->irq_base
+ 1, 0);
487 return PTR_ERR(child
);
490 if (twl_has_madc() && pdata
->madc
) {
491 child
= add_child(2, "twl4030_madc",
492 pdata
->madc
, sizeof(*pdata
->madc
),
493 true, pdata
->irq_base
+ 3, 0);
495 return PTR_ERR(child
);
500 * REVISIT platform_data here currently might expose the
501 * "msecure" line ... but for now we just expect board
502 * setup to tell the chip "it's always ok to SET_TIME".
503 * Eventually, Linux might become more aware of such
504 * HW security concerns, and "least privilege".
506 child
= add_child(3, "twl4030_rtc",
508 true, pdata
->irq_base
+ 8 + 3, 0);
510 return PTR_ERR(child
);
513 if (twl_has_usb() && pdata
->usb
) {
514 child
= add_child(0, "twl4030_usb",
515 pdata
->usb
, sizeof(*pdata
->usb
),
517 /* irq0 = USB_PRES, irq1 = USB */
518 pdata
->irq_base
+ 8 + 2, pdata
->irq_base
+ 4);
520 return PTR_ERR(child
);
522 /* we need to connect regulators to this transceiver */
523 usb_transceiver
= child
;
526 if (twl_has_regulator()) {
528 child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1);
530 return PTR_ERR(child);
533 child
= add_regulator(TWL4030_REG_VMMC1
, pdata
->vmmc1
);
535 return PTR_ERR(child
);
537 child
= add_regulator(TWL4030_REG_VDAC
, pdata
->vdac
);
539 return PTR_ERR(child
);
541 child
= add_regulator((features
& TWL4030_VAUX2
)
542 ? TWL4030_REG_VAUX2_4030
546 return PTR_ERR(child
);
549 if (twl_has_regulator() && usb_transceiver
) {
550 static struct regulator_consumer_supply usb1v5
= {
553 static struct regulator_consumer_supply usb1v8
= {
556 static struct regulator_consumer_supply usb3v1
= {
560 /* this is a template that gets copied */
561 struct regulator_init_data usb_fixed
= {
562 .constraints
.valid_modes_mask
=
563 REGULATOR_MODE_NORMAL
564 | REGULATOR_MODE_STANDBY
,
565 .constraints
.valid_ops_mask
=
566 REGULATOR_CHANGE_MODE
567 | REGULATOR_CHANGE_STATUS
,
570 usb1v5
.dev
= usb_transceiver
;
571 usb1v8
.dev
= usb_transceiver
;
572 usb3v1
.dev
= usb_transceiver
;
574 child
= add_regulator_linked(TWL4030_REG_VUSB1V5
, &usb_fixed
,
577 return PTR_ERR(child
);
579 child
= add_regulator_linked(TWL4030_REG_VUSB1V8
, &usb_fixed
,
582 return PTR_ERR(child
);
584 child
= add_regulator_linked(TWL4030_REG_VUSB3V1
, &usb_fixed
,
587 return PTR_ERR(child
);
590 /* maybe add LDOs that are omitted on cost-reduced parts */
591 if (twl_has_regulator() && !(features
& TPS_SUBSET
)) {
593 child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2);
595 return PTR_ERR(child);
598 child
= add_regulator(TWL4030_REG_VMMC2
, pdata
->vmmc2
);
600 return PTR_ERR(child
);
602 child
= add_regulator(TWL4030_REG_VSIM
, pdata
->vsim
);
604 return PTR_ERR(child
);
606 child
= add_regulator(TWL4030_REG_VAUX1
, pdata
->vaux1
);
608 return PTR_ERR(child
);
610 child
= add_regulator(TWL4030_REG_VAUX3
, pdata
->vaux3
);
612 return PTR_ERR(child
);
614 child
= add_regulator(TWL4030_REG_VAUX4
, pdata
->vaux4
);
616 return PTR_ERR(child
);
622 /*----------------------------------------------------------------------*/
625 * These three functions initialize the on-chip clock framework,
626 * letting it generate the right frequencies for USB, MADC, and
629 static inline int __init
protect_pm_master(void)
633 e
= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER
, KEY_LOCK
,
638 static inline int __init
unprotect_pm_master(void)
642 e
|= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER
, KEY_UNLOCK1
,
644 e
|= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER
, KEY_UNLOCK2
,
649 static void __init
clocks_init(void)
654 u8 ctrl
= HFCLK_FREQ_26_MHZ
;
656 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
657 if (cpu_is_omap2430())
658 osc
= clk_get(NULL
, "osc_ck");
660 osc
= clk_get(NULL
, "osc_sys_ck");
663 printk(KERN_WARNING
"Skipping twl4030 internal clock init and "
664 "using bootloader value (unknown osc rate)\n");
668 rate
= clk_get_rate(osc
);
672 /* REVISIT for non-OMAP systems, pass the clock rate from
673 * board init code, using platform_data.
677 printk(KERN_WARNING
"Skipping twl4030 internal clock init and "
678 "using bootloader value (unknown osc rate)\n");
685 ctrl
= HFCLK_FREQ_19p2_MHZ
;
688 ctrl
= HFCLK_FREQ_26_MHZ
;
691 ctrl
= HFCLK_FREQ_38p4_MHZ
;
695 ctrl
|= HIGH_PERF_SQ
;
696 e
|= unprotect_pm_master();
697 /* effect->MADC+USB ck en */
698 e
|= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER
, ctrl
, R_CFG_BOOT
);
699 e
|= protect_pm_master();
702 pr_err("%s: clock init err [%d]\n", DRIVER_NAME
, e
);
705 /*----------------------------------------------------------------------*/
707 int twl_init_irq(int irq_num
, unsigned irq_base
, unsigned irq_end
);
708 int twl_exit_irq(void);
710 static int twl4030_remove(struct i2c_client
*client
)
715 status
= twl_exit_irq();
719 for (i
= 0; i
< TWL4030_NUM_SLAVES
; i
++) {
720 struct twl4030_client
*twl
= &twl4030_modules
[i
];
722 if (twl
->client
&& twl
->client
!= client
)
723 i2c_unregister_device(twl
->client
);
724 twl4030_modules
[i
].client
= NULL
;
730 /* NOTE: this driver only handles a single twl4030/tps659x0 chip */
732 twl4030_probe(struct i2c_client
*client
, const struct i2c_device_id
*id
)
736 struct twl4030_platform_data
*pdata
= client
->dev
.platform_data
;
739 dev_dbg(&client
->dev
, "no platform data?\n");
743 if (i2c_check_functionality(client
->adapter
, I2C_FUNC_I2C
) == 0) {
744 dev_dbg(&client
->dev
, "can't talk I2C?\n");
749 dev_dbg(&client
->dev
, "driver is already in use\n");
753 for (i
= 0; i
< TWL4030_NUM_SLAVES
; i
++) {
754 struct twl4030_client
*twl
= &twl4030_modules
[i
];
756 twl
->address
= client
->addr
+ i
;
758 twl
->client
= client
;
760 twl
->client
= i2c_new_dummy(client
->adapter
,
763 dev_err(&twl
->client
->dev
,
764 "can't attach client %d\n", i
);
768 strlcpy(twl
->client
->name
, id
->name
,
769 sizeof(twl
->client
->name
));
771 mutex_init(&twl
->xfer_lock
);
775 /* setup clock framework */
778 /* Maybe init the T2 Interrupt subsystem */
781 && pdata
->irq_end
> pdata
->irq_base
) {
782 status
= twl_init_irq(client
->irq
, pdata
->irq_base
, pdata
->irq_end
);
787 status
= add_children(pdata
, id
->driver_data
);
790 twl4030_remove(client
);
794 static const struct i2c_device_id twl4030_ids
[] = {
795 { "twl4030", TWL4030_VAUX2
}, /* "Triton 2" */
796 { "twl5030", 0 }, /* T2 updated */
797 { "tps65950", 0 }, /* catalog version of twl5030 */
798 { "tps65930", TPS_SUBSET
}, /* fewer LDOs and DACs; no charger */
799 { "tps65920", TPS_SUBSET
}, /* fewer LDOs; no codec or charger */
800 { /* end of list */ },
802 MODULE_DEVICE_TABLE(i2c
, twl4030_ids
);
804 /* One Client Driver , 4 Clients */
805 static struct i2c_driver twl4030_driver
= {
806 .driver
.name
= DRIVER_NAME
,
807 .id_table
= twl4030_ids
,
808 .probe
= twl4030_probe
,
809 .remove
= twl4030_remove
,
812 static int __init
twl4030_init(void)
814 return i2c_add_driver(&twl4030_driver
);
816 subsys_initcall(twl4030_init
);
818 static void __exit
twl4030_exit(void)
820 i2c_del_driver(&twl4030_driver
);
822 module_exit(twl4030_exit
);
824 MODULE_AUTHOR("Texas Instruments, Inc.");
825 MODULE_DESCRIPTION("I2C Core interface for TWL4030");
826 MODULE_LICENSE("GPL");