xref: /openbmc/linux/drivers/mfd/wm831x-core.c (revision 5a0e3ad6af8660be21ca98a971cd00f331318c05) 
1d2bedfe7SMark Brown /*
2d2bedfe7SMark Brown  * wm831x-core.c  --  Device access for Wolfson WM831x PMICs
3d2bedfe7SMark Brown  *
4d2bedfe7SMark Brown  * Copyright 2009 Wolfson Microelectronics PLC.
5d2bedfe7SMark Brown  *
6d2bedfe7SMark Brown  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7d2bedfe7SMark Brown  *
8d2bedfe7SMark Brown  *  This program is free software; you can redistribute  it and/or modify it
9d2bedfe7SMark Brown  *  under  the terms of  the GNU General  Public License as published by the
10d2bedfe7SMark Brown  *  Free Software Foundation;  either version 2 of the  License, or (at your
11d2bedfe7SMark Brown  *  option) any later version.
12d2bedfe7SMark Brown  *
13d2bedfe7SMark Brown  */
14d2bedfe7SMark Brown 
15d2bedfe7SMark Brown #include <linux/kernel.h>
16d2bedfe7SMark Brown #include <linux/module.h>
17d2bedfe7SMark Brown #include <linux/i2c.h>
187e9f9fd4SMark Brown #include <linux/bcd.h>
197e9f9fd4SMark Brown #include <linux/delay.h>
20d2bedfe7SMark Brown #include <linux/mfd/core.h>
21*5a0e3ad6STejun Heo #include <linux/slab.h>
22d2bedfe7SMark Brown 
23d2bedfe7SMark Brown #include <linux/mfd/wm831x/core.h>
24d2bedfe7SMark Brown #include <linux/mfd/wm831x/pdata.h>
257d4d0a3eSMark Brown #include <linux/mfd/wm831x/irq.h>
267e9f9fd4SMark Brown #include <linux/mfd/wm831x/auxadc.h>
276704e517SMark Brown #include <linux/mfd/wm831x/otp.h>
28698659d5SMark Brown #include <linux/mfd/wm831x/regulator.h>
29698659d5SMark Brown 
30698659d5SMark Brown /* Current settings - values are 2*2^(reg_val/4) microamps.  These are
31698659d5SMark Brown  * exported since they are used by multiple drivers.
32698659d5SMark Brown  */
337716977bSMark Brown int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
34698659d5SMark Brown 	2,
35698659d5SMark Brown 	2,
36698659d5SMark Brown 	3,
37698659d5SMark Brown 	3,
38698659d5SMark Brown 	4,
39698659d5SMark Brown 	5,
40698659d5SMark Brown 	6,
41698659d5SMark Brown 	7,
42698659d5SMark Brown 	8,
43698659d5SMark Brown 	10,
44698659d5SMark Brown 	11,
45698659d5SMark Brown 	13,
46698659d5SMark Brown 	16,
47698659d5SMark Brown 	19,
48698659d5SMark Brown 	23,
49698659d5SMark Brown 	27,
50698659d5SMark Brown 	32,
51698659d5SMark Brown 	38,
52698659d5SMark Brown 	45,
53698659d5SMark Brown 	54,
54698659d5SMark Brown 	64,
55698659d5SMark Brown 	76,
56698659d5SMark Brown 	91,
57698659d5SMark Brown 	108,
58698659d5SMark Brown 	128,
59698659d5SMark Brown 	152,
60698659d5SMark Brown 	181,
61698659d5SMark Brown 	215,
62698659d5SMark Brown 	256,
63698659d5SMark Brown 	304,
64698659d5SMark Brown 	362,
65698659d5SMark Brown 	431,
66698659d5SMark Brown 	512,
67698659d5SMark Brown 	609,
68698659d5SMark Brown 	724,
69698659d5SMark Brown 	861,
70698659d5SMark Brown 	1024,
71698659d5SMark Brown 	1218,
72698659d5SMark Brown 	1448,
73698659d5SMark Brown 	1722,
74698659d5SMark Brown 	2048,
75698659d5SMark Brown 	2435,
76698659d5SMark Brown 	2896,
77698659d5SMark Brown 	3444,
78698659d5SMark Brown 	4096,
79698659d5SMark Brown 	4871,
80698659d5SMark Brown 	5793,
81698659d5SMark Brown 	6889,
82698659d5SMark Brown 	8192,
83698659d5SMark Brown 	9742,
84698659d5SMark Brown 	11585,
85698659d5SMark Brown 	13777,
86698659d5SMark Brown 	16384,
87698659d5SMark Brown 	19484,
88698659d5SMark Brown 	23170,
89698659d5SMark Brown 	27554,
90698659d5SMark Brown };
91698659d5SMark Brown EXPORT_SYMBOL_GPL(wm831x_isinkv_values);
92d2bedfe7SMark Brown 
93d2bedfe7SMark Brown enum wm831x_parent {
94894362f5SMark Brown 	WM8310 = 0x8310,
95894362f5SMark Brown 	WM8311 = 0x8311,
96894362f5SMark Brown 	WM8312 = 0x8312,
97d4e0a89eSMark Brown 	WM8320 = 0x8320,
98d2bedfe7SMark Brown };
99d2bedfe7SMark Brown 
100d2bedfe7SMark Brown static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
101d2bedfe7SMark Brown {
102d2bedfe7SMark Brown 	if (!wm831x->locked)
103d2bedfe7SMark Brown 		return 0;
104d2bedfe7SMark Brown 
105d2bedfe7SMark Brown 	switch (reg) {
106d2bedfe7SMark Brown 	case WM831X_WATCHDOG:
107d2bedfe7SMark Brown 	case WM831X_DC4_CONTROL:
108d2bedfe7SMark Brown 	case WM831X_ON_PIN_CONTROL:
109d2bedfe7SMark Brown 	case WM831X_BACKUP_CHARGER_CONTROL:
110d2bedfe7SMark Brown 	case WM831X_CHARGER_CONTROL_1:
111d2bedfe7SMark Brown 	case WM831X_CHARGER_CONTROL_2:
112d2bedfe7SMark Brown 		return 1;
113d2bedfe7SMark Brown 
114d2bedfe7SMark Brown 	default:
115d2bedfe7SMark Brown 		return 0;
116d2bedfe7SMark Brown 	}
117d2bedfe7SMark Brown }
118d2bedfe7SMark Brown 
119d2bedfe7SMark Brown /**
120d2bedfe7SMark Brown  * wm831x_reg_unlock: Unlock user keyed registers
121d2bedfe7SMark Brown  *
122d2bedfe7SMark Brown  * The WM831x has a user key preventing writes to particularly
123d2bedfe7SMark Brown  * critical registers.  This function locks those registers,
124d2bedfe7SMark Brown  * allowing writes to them.
125d2bedfe7SMark Brown  */
126d2bedfe7SMark Brown void wm831x_reg_lock(struct wm831x *wm831x)
127d2bedfe7SMark Brown {
128d2bedfe7SMark Brown 	int ret;
129d2bedfe7SMark Brown 
130d2bedfe7SMark Brown 	ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0);
131d2bedfe7SMark Brown 	if (ret == 0) {
132d2bedfe7SMark Brown 		dev_vdbg(wm831x->dev, "Registers locked\n");
133d2bedfe7SMark Brown 
134d2bedfe7SMark Brown 		mutex_lock(&wm831x->io_lock);
135d2bedfe7SMark Brown 		WARN_ON(wm831x->locked);
136d2bedfe7SMark Brown 		wm831x->locked = 1;
137d2bedfe7SMark Brown 		mutex_unlock(&wm831x->io_lock);
138d2bedfe7SMark Brown 	} else {
139d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Failed to lock registers: %d\n", ret);
140d2bedfe7SMark Brown 	}
141d2bedfe7SMark Brown 
142d2bedfe7SMark Brown }
143d2bedfe7SMark Brown EXPORT_SYMBOL_GPL(wm831x_reg_lock);
144d2bedfe7SMark Brown 
145d2bedfe7SMark Brown /**
146d2bedfe7SMark Brown  * wm831x_reg_unlock: Unlock user keyed registers
147d2bedfe7SMark Brown  *
148d2bedfe7SMark Brown  * The WM831x has a user key preventing writes to particularly
149d2bedfe7SMark Brown  * critical registers.  This function locks those registers,
150d2bedfe7SMark Brown  * preventing spurious writes.
151d2bedfe7SMark Brown  */
152d2bedfe7SMark Brown int wm831x_reg_unlock(struct wm831x *wm831x)
153d2bedfe7SMark Brown {
154d2bedfe7SMark Brown 	int ret;
155d2bedfe7SMark Brown 
156d2bedfe7SMark Brown 	/* 0x9716 is the value required to unlock the registers */
157d2bedfe7SMark Brown 	ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0x9716);
158d2bedfe7SMark Brown 	if (ret == 0) {
159d2bedfe7SMark Brown 		dev_vdbg(wm831x->dev, "Registers unlocked\n");
160d2bedfe7SMark Brown 
161d2bedfe7SMark Brown 		mutex_lock(&wm831x->io_lock);
162d2bedfe7SMark Brown 		WARN_ON(!wm831x->locked);
163d2bedfe7SMark Brown 		wm831x->locked = 0;
164d2bedfe7SMark Brown 		mutex_unlock(&wm831x->io_lock);
165d2bedfe7SMark Brown 	}
166d2bedfe7SMark Brown 
167d2bedfe7SMark Brown 	return ret;
168d2bedfe7SMark Brown }
169d2bedfe7SMark Brown EXPORT_SYMBOL_GPL(wm831x_reg_unlock);
170d2bedfe7SMark Brown 
171d2bedfe7SMark Brown static int wm831x_read(struct wm831x *wm831x, unsigned short reg,
172d2bedfe7SMark Brown 		       int bytes, void *dest)
173d2bedfe7SMark Brown {
174d2bedfe7SMark Brown 	int ret, i;
175d2bedfe7SMark Brown 	u16 *buf = dest;
176d2bedfe7SMark Brown 
177d2bedfe7SMark Brown 	BUG_ON(bytes % 2);
178d2bedfe7SMark Brown 	BUG_ON(bytes <= 0);
179d2bedfe7SMark Brown 
180d2bedfe7SMark Brown 	ret = wm831x->read_dev(wm831x, reg, bytes, dest);
181d2bedfe7SMark Brown 	if (ret < 0)
182d2bedfe7SMark Brown 		return ret;
183d2bedfe7SMark Brown 
184d2bedfe7SMark Brown 	for (i = 0; i < bytes / 2; i++) {
185d2bedfe7SMark Brown 		buf[i] = be16_to_cpu(buf[i]);
186d2bedfe7SMark Brown 
187d2bedfe7SMark Brown 		dev_vdbg(wm831x->dev, "Read %04x from R%d(0x%x)\n",
188d2bedfe7SMark Brown 			 buf[i], reg + i, reg + i);
189d2bedfe7SMark Brown 	}
190d2bedfe7SMark Brown 
191d2bedfe7SMark Brown 	return 0;
192d2bedfe7SMark Brown }
193d2bedfe7SMark Brown 
194d2bedfe7SMark Brown /**
195d2bedfe7SMark Brown  * wm831x_reg_read: Read a single WM831x register.
196d2bedfe7SMark Brown  *
197d2bedfe7SMark Brown  * @wm831x: Device to read from.
198d2bedfe7SMark Brown  * @reg: Register to read.
199d2bedfe7SMark Brown  */
200d2bedfe7SMark Brown int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg)
201d2bedfe7SMark Brown {
202d2bedfe7SMark Brown 	unsigned short val;
203d2bedfe7SMark Brown 	int ret;
204d2bedfe7SMark Brown 
205d2bedfe7SMark Brown 	mutex_lock(&wm831x->io_lock);
206d2bedfe7SMark Brown 
207d2bedfe7SMark Brown 	ret = wm831x_read(wm831x, reg, 2, &val);
208d2bedfe7SMark Brown 
209d2bedfe7SMark Brown 	mutex_unlock(&wm831x->io_lock);
210d2bedfe7SMark Brown 
211d2bedfe7SMark Brown 	if (ret < 0)
212d2bedfe7SMark Brown 		return ret;
213d2bedfe7SMark Brown 	else
214d2bedfe7SMark Brown 		return val;
215d2bedfe7SMark Brown }
216d2bedfe7SMark Brown EXPORT_SYMBOL_GPL(wm831x_reg_read);
217d2bedfe7SMark Brown 
218d2bedfe7SMark Brown /**
219d2bedfe7SMark Brown  * wm831x_bulk_read: Read multiple WM831x registers
220d2bedfe7SMark Brown  *
221d2bedfe7SMark Brown  * @wm831x: Device to read from
222d2bedfe7SMark Brown  * @reg: First register
223d2bedfe7SMark Brown  * @count: Number of registers
224d2bedfe7SMark Brown  * @buf: Buffer to fill.
225d2bedfe7SMark Brown  */
226d2bedfe7SMark Brown int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
227d2bedfe7SMark Brown 		     int count, u16 *buf)
228d2bedfe7SMark Brown {
229d2bedfe7SMark Brown 	int ret;
230d2bedfe7SMark Brown 
231d2bedfe7SMark Brown 	mutex_lock(&wm831x->io_lock);
232d2bedfe7SMark Brown 
233d2bedfe7SMark Brown 	ret = wm831x_read(wm831x, reg, count * 2, buf);
234d2bedfe7SMark Brown 
235d2bedfe7SMark Brown 	mutex_unlock(&wm831x->io_lock);
236d2bedfe7SMark Brown 
237d2bedfe7SMark Brown 	return ret;
238d2bedfe7SMark Brown }
239d2bedfe7SMark Brown EXPORT_SYMBOL_GPL(wm831x_bulk_read);
240d2bedfe7SMark Brown 
241d2bedfe7SMark Brown static int wm831x_write(struct wm831x *wm831x, unsigned short reg,
242d2bedfe7SMark Brown 			int bytes, void *src)
243d2bedfe7SMark Brown {
244d2bedfe7SMark Brown 	u16 *buf = src;
245d2bedfe7SMark Brown 	int i;
246d2bedfe7SMark Brown 
247d2bedfe7SMark Brown 	BUG_ON(bytes % 2);
248d2bedfe7SMark Brown 	BUG_ON(bytes <= 0);
249d2bedfe7SMark Brown 
250d2bedfe7SMark Brown 	for (i = 0; i < bytes / 2; i++) {
251d2bedfe7SMark Brown 		if (wm831x_reg_locked(wm831x, reg))
252d2bedfe7SMark Brown 			return -EPERM;
253d2bedfe7SMark Brown 
254d2bedfe7SMark Brown 		dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n",
255d2bedfe7SMark Brown 			 buf[i], reg + i, reg + i);
256d2bedfe7SMark Brown 
257d2bedfe7SMark Brown 		buf[i] = cpu_to_be16(buf[i]);
258d2bedfe7SMark Brown 	}
259d2bedfe7SMark Brown 
260d2bedfe7SMark Brown 	return wm831x->write_dev(wm831x, reg, bytes, src);
261d2bedfe7SMark Brown }
262d2bedfe7SMark Brown 
263d2bedfe7SMark Brown /**
264d2bedfe7SMark Brown  * wm831x_reg_write: Write a single WM831x register.
265d2bedfe7SMark Brown  *
266d2bedfe7SMark Brown  * @wm831x: Device to write to.
267d2bedfe7SMark Brown  * @reg: Register to write to.
268d2bedfe7SMark Brown  * @val: Value to write.
269d2bedfe7SMark Brown  */
270d2bedfe7SMark Brown int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
271d2bedfe7SMark Brown 		     unsigned short val)
272d2bedfe7SMark Brown {
273d2bedfe7SMark Brown 	int ret;
274d2bedfe7SMark Brown 
275d2bedfe7SMark Brown 	mutex_lock(&wm831x->io_lock);
276d2bedfe7SMark Brown 
277d2bedfe7SMark Brown 	ret = wm831x_write(wm831x, reg, 2, &val);
278d2bedfe7SMark Brown 
279d2bedfe7SMark Brown 	mutex_unlock(&wm831x->io_lock);
280d2bedfe7SMark Brown 
281d2bedfe7SMark Brown 	return ret;
282d2bedfe7SMark Brown }
283d2bedfe7SMark Brown EXPORT_SYMBOL_GPL(wm831x_reg_write);
284d2bedfe7SMark Brown 
285d2bedfe7SMark Brown /**
286d2bedfe7SMark Brown  * wm831x_set_bits: Set the value of a bitfield in a WM831x register
287d2bedfe7SMark Brown  *
288d2bedfe7SMark Brown  * @wm831x: Device to write to.
289d2bedfe7SMark Brown  * @reg: Register to write to.
290d2bedfe7SMark Brown  * @mask: Mask of bits to set.
291d2bedfe7SMark Brown  * @val: Value to set (unshifted)
292d2bedfe7SMark Brown  */
293d2bedfe7SMark Brown int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
294d2bedfe7SMark Brown 		    unsigned short mask, unsigned short val)
295d2bedfe7SMark Brown {
296d2bedfe7SMark Brown 	int ret;
297d2bedfe7SMark Brown 	u16 r;
298d2bedfe7SMark Brown 
299d2bedfe7SMark Brown 	mutex_lock(&wm831x->io_lock);
300d2bedfe7SMark Brown 
301d2bedfe7SMark Brown 	ret = wm831x_read(wm831x, reg, 2, &r);
302d2bedfe7SMark Brown 	if (ret < 0)
303d2bedfe7SMark Brown 		goto out;
304d2bedfe7SMark Brown 
305d2bedfe7SMark Brown 	r &= ~mask;
306d2bedfe7SMark Brown 	r |= val;
307d2bedfe7SMark Brown 
308d2bedfe7SMark Brown 	ret = wm831x_write(wm831x, reg, 2, &r);
309d2bedfe7SMark Brown 
310d2bedfe7SMark Brown out:
311d2bedfe7SMark Brown 	mutex_unlock(&wm831x->io_lock);
312d2bedfe7SMark Brown 
313d2bedfe7SMark Brown 	return ret;
314d2bedfe7SMark Brown }
315d2bedfe7SMark Brown EXPORT_SYMBOL_GPL(wm831x_set_bits);
316d2bedfe7SMark Brown 
3177e9f9fd4SMark Brown /**
3187e9f9fd4SMark Brown  * wm831x_auxadc_read: Read a value from the WM831x AUXADC
3197e9f9fd4SMark Brown  *
3207e9f9fd4SMark Brown  * @wm831x: Device to read from.
3217e9f9fd4SMark Brown  * @input: AUXADC input to read.
3227e9f9fd4SMark Brown  */
3237e9f9fd4SMark Brown int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
3247e9f9fd4SMark Brown {
3257e9f9fd4SMark Brown 	int ret, src;
3267e9f9fd4SMark Brown 
3277e9f9fd4SMark Brown 	mutex_lock(&wm831x->auxadc_lock);
3287e9f9fd4SMark Brown 
3297e9f9fd4SMark Brown 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
3307e9f9fd4SMark Brown 			      WM831X_AUX_ENA, WM831X_AUX_ENA);
3317e9f9fd4SMark Brown 	if (ret < 0) {
3327e9f9fd4SMark Brown 		dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret);
3337e9f9fd4SMark Brown 		goto out;
3347e9f9fd4SMark Brown 	}
3357e9f9fd4SMark Brown 
3367e9f9fd4SMark Brown 	/* We force a single source at present */
3377e9f9fd4SMark Brown 	src = input;
3387e9f9fd4SMark Brown 	ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE,
3397e9f9fd4SMark Brown 			       1 << src);
3407e9f9fd4SMark Brown 	if (ret < 0) {
3417e9f9fd4SMark Brown 		dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret);
3427e9f9fd4SMark Brown 		goto out;
3437e9f9fd4SMark Brown 	}
3447e9f9fd4SMark Brown 
3457e9f9fd4SMark Brown 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
3467e9f9fd4SMark Brown 			      WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA);
3477e9f9fd4SMark Brown 	if (ret < 0) {
3487e9f9fd4SMark Brown 		dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret);
3497e9f9fd4SMark Brown 		goto disable;
3507e9f9fd4SMark Brown 	}
3517e9f9fd4SMark Brown 
352473fe736SMark Brown 	/* Ignore the result to allow us to soldier on without IRQ hookup */
353473fe736SMark Brown 	wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5));
3547e9f9fd4SMark Brown 
3557e9f9fd4SMark Brown 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL);
356473fe736SMark Brown 	if (ret < 0) {
357473fe736SMark Brown 		dev_err(wm831x->dev, "AUXADC status read failed: %d\n", ret);
358473fe736SMark Brown 		goto disable;
359473fe736SMark Brown 	}
3607e9f9fd4SMark Brown 
3617e9f9fd4SMark Brown 	if (ret & WM831X_AUX_CVT_ENA) {
3627e9f9fd4SMark Brown 		dev_err(wm831x->dev, "Timed out reading AUXADC\n");
3637e9f9fd4SMark Brown 		ret = -EBUSY;
3647e9f9fd4SMark Brown 		goto disable;
3657e9f9fd4SMark Brown 	}
3667e9f9fd4SMark Brown 
3677e9f9fd4SMark Brown 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);
3687e9f9fd4SMark Brown 	if (ret < 0) {
3697e9f9fd4SMark Brown 		dev_err(wm831x->dev, "Failed to read AUXADC data: %d\n", ret);
3707e9f9fd4SMark Brown 	} else {
3717e9f9fd4SMark Brown 		src = ((ret & WM831X_AUX_DATA_SRC_MASK)
3727e9f9fd4SMark Brown 		       >> WM831X_AUX_DATA_SRC_SHIFT) - 1;
3737e9f9fd4SMark Brown 
3747e9f9fd4SMark Brown 		if (src == 14)
3757e9f9fd4SMark Brown 			src = WM831X_AUX_CAL;
3767e9f9fd4SMark Brown 
3777e9f9fd4SMark Brown 		if (src != input) {
3787e9f9fd4SMark Brown 			dev_err(wm831x->dev, "Data from source %d not %d\n",
3797e9f9fd4SMark Brown 				src, input);
3807e9f9fd4SMark Brown 			ret = -EINVAL;
3817e9f9fd4SMark Brown 		} else {
3827e9f9fd4SMark Brown 			ret &= WM831X_AUX_DATA_MASK;
3837e9f9fd4SMark Brown 		}
3847e9f9fd4SMark Brown 	}
3857e9f9fd4SMark Brown 
3867e9f9fd4SMark Brown disable:
3877e9f9fd4SMark Brown 	wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0);
3887e9f9fd4SMark Brown out:
3897e9f9fd4SMark Brown 	mutex_unlock(&wm831x->auxadc_lock);
3907e9f9fd4SMark Brown 	return ret;
3917e9f9fd4SMark Brown }
3927e9f9fd4SMark Brown EXPORT_SYMBOL_GPL(wm831x_auxadc_read);
3937e9f9fd4SMark Brown 
394473fe736SMark Brown static irqreturn_t wm831x_auxadc_irq(int irq, void *irq_data)
395473fe736SMark Brown {
396473fe736SMark Brown 	struct wm831x *wm831x = irq_data;
397473fe736SMark Brown 
398473fe736SMark Brown 	complete(&wm831x->auxadc_done);
399473fe736SMark Brown 
400473fe736SMark Brown 	return IRQ_HANDLED;
401473fe736SMark Brown }
402473fe736SMark Brown 
4037e9f9fd4SMark Brown /**
4047e9f9fd4SMark Brown  * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC
4057e9f9fd4SMark Brown  *
4067e9f9fd4SMark Brown  * @wm831x: Device to read from.
4077e9f9fd4SMark Brown  * @input: AUXADC input to read.
4087e9f9fd4SMark Brown  */
4097e9f9fd4SMark Brown int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input)
4107e9f9fd4SMark Brown {
4117e9f9fd4SMark Brown 	int ret;
4127e9f9fd4SMark Brown 
4137e9f9fd4SMark Brown 	ret = wm831x_auxadc_read(wm831x, input);
4147e9f9fd4SMark Brown 	if (ret < 0)
4157e9f9fd4SMark Brown 		return ret;
4167e9f9fd4SMark Brown 
4177e9f9fd4SMark Brown 	ret *= 1465;
4187e9f9fd4SMark Brown 
4197e9f9fd4SMark Brown 	return ret;
4207e9f9fd4SMark Brown }
4217e9f9fd4SMark Brown EXPORT_SYMBOL_GPL(wm831x_auxadc_read_uv);
4227e9f9fd4SMark Brown 
423d2bedfe7SMark Brown static struct resource wm831x_dcdc1_resources[] = {
424d2bedfe7SMark Brown 	{
425d2bedfe7SMark Brown 		.start = WM831X_DC1_CONTROL_1,
426d2bedfe7SMark Brown 		.end   = WM831X_DC1_DVS_CONTROL,
427d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
428d2bedfe7SMark Brown 	},
429d2bedfe7SMark Brown 	{
430d2bedfe7SMark Brown 		.name  = "UV",
431d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_DC1,
432d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_DC1,
433d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
434d2bedfe7SMark Brown 	},
435d2bedfe7SMark Brown 	{
436d2bedfe7SMark Brown 		.name  = "HC",
437d2bedfe7SMark Brown 		.start = WM831X_IRQ_HC_DC1,
438d2bedfe7SMark Brown 		.end   = WM831X_IRQ_HC_DC1,
439d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
440d2bedfe7SMark Brown 	},
441d2bedfe7SMark Brown };
442d2bedfe7SMark Brown 
443d2bedfe7SMark Brown 
444d2bedfe7SMark Brown static struct resource wm831x_dcdc2_resources[] = {
445d2bedfe7SMark Brown 	{
446d2bedfe7SMark Brown 		.start = WM831X_DC2_CONTROL_1,
447d2bedfe7SMark Brown 		.end   = WM831X_DC2_DVS_CONTROL,
448d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
449d2bedfe7SMark Brown 	},
450d2bedfe7SMark Brown 	{
451d2bedfe7SMark Brown 		.name  = "UV",
452d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_DC2,
453d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_DC2,
454d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
455d2bedfe7SMark Brown 	},
456d2bedfe7SMark Brown 	{
457d2bedfe7SMark Brown 		.name  = "HC",
458d2bedfe7SMark Brown 		.start = WM831X_IRQ_HC_DC2,
459d2bedfe7SMark Brown 		.end   = WM831X_IRQ_HC_DC2,
460d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
461d2bedfe7SMark Brown 	},
462d2bedfe7SMark Brown };
463d2bedfe7SMark Brown 
464d2bedfe7SMark Brown static struct resource wm831x_dcdc3_resources[] = {
465d2bedfe7SMark Brown 	{
466d2bedfe7SMark Brown 		.start = WM831X_DC3_CONTROL_1,
467d2bedfe7SMark Brown 		.end   = WM831X_DC3_SLEEP_CONTROL,
468d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
469d2bedfe7SMark Brown 	},
470d2bedfe7SMark Brown 	{
471d2bedfe7SMark Brown 		.name  = "UV",
472d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_DC3,
473d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_DC3,
474d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
475d2bedfe7SMark Brown 	},
476d2bedfe7SMark Brown };
477d2bedfe7SMark Brown 
478d2bedfe7SMark Brown static struct resource wm831x_dcdc4_resources[] = {
479d2bedfe7SMark Brown 	{
480d2bedfe7SMark Brown 		.start = WM831X_DC4_CONTROL,
481d2bedfe7SMark Brown 		.end   = WM831X_DC4_SLEEP_CONTROL,
482d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
483d2bedfe7SMark Brown 	},
484d2bedfe7SMark Brown 	{
485d2bedfe7SMark Brown 		.name  = "UV",
486d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_DC4,
487d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_DC4,
488d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
489d2bedfe7SMark Brown 	},
490d2bedfe7SMark Brown };
491d2bedfe7SMark Brown 
492d4e0a89eSMark Brown static struct resource wm8320_dcdc4_buck_resources[] = {
493d4e0a89eSMark Brown 	{
494d4e0a89eSMark Brown 		.start = WM831X_DC4_CONTROL,
495d4e0a89eSMark Brown 		.end   = WM832X_DC4_SLEEP_CONTROL,
496d4e0a89eSMark Brown 		.flags = IORESOURCE_IO,
497d4e0a89eSMark Brown 	},
498d4e0a89eSMark Brown 	{
499d4e0a89eSMark Brown 		.name  = "UV",
500d4e0a89eSMark Brown 		.start = WM831X_IRQ_UV_DC4,
501d4e0a89eSMark Brown 		.end   = WM831X_IRQ_UV_DC4,
502d4e0a89eSMark Brown 		.flags = IORESOURCE_IRQ,
503d4e0a89eSMark Brown 	},
504d4e0a89eSMark Brown };
505d4e0a89eSMark Brown 
506d2bedfe7SMark Brown static struct resource wm831x_gpio_resources[] = {
507d2bedfe7SMark Brown 	{
508d2bedfe7SMark Brown 		.start = WM831X_IRQ_GPIO_1,
509d2bedfe7SMark Brown 		.end   = WM831X_IRQ_GPIO_16,
510d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
511d2bedfe7SMark Brown 	},
512d2bedfe7SMark Brown };
513d2bedfe7SMark Brown 
514d2bedfe7SMark Brown static struct resource wm831x_isink1_resources[] = {
515d2bedfe7SMark Brown 	{
516d2bedfe7SMark Brown 		.start = WM831X_CURRENT_SINK_1,
517d2bedfe7SMark Brown 		.end   = WM831X_CURRENT_SINK_1,
518d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
519d2bedfe7SMark Brown 	},
520d2bedfe7SMark Brown 	{
521d2bedfe7SMark Brown 		.start = WM831X_IRQ_CS1,
522d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CS1,
523d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
524d2bedfe7SMark Brown 	},
525d2bedfe7SMark Brown };
526d2bedfe7SMark Brown 
527d2bedfe7SMark Brown static struct resource wm831x_isink2_resources[] = {
528d2bedfe7SMark Brown 	{
529d2bedfe7SMark Brown 		.start = WM831X_CURRENT_SINK_2,
530d2bedfe7SMark Brown 		.end   = WM831X_CURRENT_SINK_2,
531d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
532d2bedfe7SMark Brown 	},
533d2bedfe7SMark Brown 	{
534d2bedfe7SMark Brown 		.start = WM831X_IRQ_CS2,
535d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CS2,
536d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
537d2bedfe7SMark Brown 	},
538d2bedfe7SMark Brown };
539d2bedfe7SMark Brown 
540d2bedfe7SMark Brown static struct resource wm831x_ldo1_resources[] = {
541d2bedfe7SMark Brown 	{
542d2bedfe7SMark Brown 		.start = WM831X_LDO1_CONTROL,
543d2bedfe7SMark Brown 		.end   = WM831X_LDO1_SLEEP_CONTROL,
544d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
545d2bedfe7SMark Brown 	},
546d2bedfe7SMark Brown 	{
547d2bedfe7SMark Brown 		.name  = "UV",
548d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO1,
549d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO1,
550d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
551d2bedfe7SMark Brown 	},
552d2bedfe7SMark Brown };
553d2bedfe7SMark Brown 
554d2bedfe7SMark Brown static struct resource wm831x_ldo2_resources[] = {
555d2bedfe7SMark Brown 	{
556d2bedfe7SMark Brown 		.start = WM831X_LDO2_CONTROL,
557d2bedfe7SMark Brown 		.end   = WM831X_LDO2_SLEEP_CONTROL,
558d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
559d2bedfe7SMark Brown 	},
560d2bedfe7SMark Brown 	{
561d2bedfe7SMark Brown 		.name  = "UV",
562d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO2,
563d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO2,
564d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
565d2bedfe7SMark Brown 	},
566d2bedfe7SMark Brown };
567d2bedfe7SMark Brown 
568d2bedfe7SMark Brown static struct resource wm831x_ldo3_resources[] = {
569d2bedfe7SMark Brown 	{
570d2bedfe7SMark Brown 		.start = WM831X_LDO3_CONTROL,
571d2bedfe7SMark Brown 		.end   = WM831X_LDO3_SLEEP_CONTROL,
572d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
573d2bedfe7SMark Brown 	},
574d2bedfe7SMark Brown 	{
575d2bedfe7SMark Brown 		.name  = "UV",
576d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO3,
577d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO3,
578d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
579d2bedfe7SMark Brown 	},
580d2bedfe7SMark Brown };
581d2bedfe7SMark Brown 
582d2bedfe7SMark Brown static struct resource wm831x_ldo4_resources[] = {
583d2bedfe7SMark Brown 	{
584d2bedfe7SMark Brown 		.start = WM831X_LDO4_CONTROL,
585d2bedfe7SMark Brown 		.end   = WM831X_LDO4_SLEEP_CONTROL,
586d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
587d2bedfe7SMark Brown 	},
588d2bedfe7SMark Brown 	{
589d2bedfe7SMark Brown 		.name  = "UV",
590d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO4,
591d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO4,
592d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
593d2bedfe7SMark Brown 	},
594d2bedfe7SMark Brown };
595d2bedfe7SMark Brown 
596d2bedfe7SMark Brown static struct resource wm831x_ldo5_resources[] = {
597d2bedfe7SMark Brown 	{
598d2bedfe7SMark Brown 		.start = WM831X_LDO5_CONTROL,
599d2bedfe7SMark Brown 		.end   = WM831X_LDO5_SLEEP_CONTROL,
600d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
601d2bedfe7SMark Brown 	},
602d2bedfe7SMark Brown 	{
603d2bedfe7SMark Brown 		.name  = "UV",
604d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO5,
605d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO5,
606d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
607d2bedfe7SMark Brown 	},
608d2bedfe7SMark Brown };
609d2bedfe7SMark Brown 
610d2bedfe7SMark Brown static struct resource wm831x_ldo6_resources[] = {
611d2bedfe7SMark Brown 	{
612d2bedfe7SMark Brown 		.start = WM831X_LDO6_CONTROL,
613d2bedfe7SMark Brown 		.end   = WM831X_LDO6_SLEEP_CONTROL,
614d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
615d2bedfe7SMark Brown 	},
616d2bedfe7SMark Brown 	{
617d2bedfe7SMark Brown 		.name  = "UV",
618d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO6,
619d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO6,
620d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
621d2bedfe7SMark Brown 	},
622d2bedfe7SMark Brown };
623d2bedfe7SMark Brown 
624d2bedfe7SMark Brown static struct resource wm831x_ldo7_resources[] = {
625d2bedfe7SMark Brown 	{
626d2bedfe7SMark Brown 		.start = WM831X_LDO7_CONTROL,
627d2bedfe7SMark Brown 		.end   = WM831X_LDO7_SLEEP_CONTROL,
628d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
629d2bedfe7SMark Brown 	},
630d2bedfe7SMark Brown 	{
631d2bedfe7SMark Brown 		.name  = "UV",
632d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO7,
633d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO7,
634d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
635d2bedfe7SMark Brown 	},
636d2bedfe7SMark Brown };
637d2bedfe7SMark Brown 
638d2bedfe7SMark Brown static struct resource wm831x_ldo8_resources[] = {
639d2bedfe7SMark Brown 	{
640d2bedfe7SMark Brown 		.start = WM831X_LDO8_CONTROL,
641d2bedfe7SMark Brown 		.end   = WM831X_LDO8_SLEEP_CONTROL,
642d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
643d2bedfe7SMark Brown 	},
644d2bedfe7SMark Brown 	{
645d2bedfe7SMark Brown 		.name  = "UV",
646d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO8,
647d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO8,
648d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
649d2bedfe7SMark Brown 	},
650d2bedfe7SMark Brown };
651d2bedfe7SMark Brown 
652d2bedfe7SMark Brown static struct resource wm831x_ldo9_resources[] = {
653d2bedfe7SMark Brown 	{
654d2bedfe7SMark Brown 		.start = WM831X_LDO9_CONTROL,
655d2bedfe7SMark Brown 		.end   = WM831X_LDO9_SLEEP_CONTROL,
656d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
657d2bedfe7SMark Brown 	},
658d2bedfe7SMark Brown 	{
659d2bedfe7SMark Brown 		.name  = "UV",
660d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO9,
661d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO9,
662d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
663d2bedfe7SMark Brown 	},
664d2bedfe7SMark Brown };
665d2bedfe7SMark Brown 
666d2bedfe7SMark Brown static struct resource wm831x_ldo10_resources[] = {
667d2bedfe7SMark Brown 	{
668d2bedfe7SMark Brown 		.start = WM831X_LDO10_CONTROL,
669d2bedfe7SMark Brown 		.end   = WM831X_LDO10_SLEEP_CONTROL,
670d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
671d2bedfe7SMark Brown 	},
672d2bedfe7SMark Brown 	{
673d2bedfe7SMark Brown 		.name  = "UV",
674d2bedfe7SMark Brown 		.start = WM831X_IRQ_UV_LDO10,
675d2bedfe7SMark Brown 		.end   = WM831X_IRQ_UV_LDO10,
676d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
677d2bedfe7SMark Brown 	},
678d2bedfe7SMark Brown };
679d2bedfe7SMark Brown 
680d2bedfe7SMark Brown static struct resource wm831x_ldo11_resources[] = {
681d2bedfe7SMark Brown 	{
682d2bedfe7SMark Brown 		.start = WM831X_LDO11_ON_CONTROL,
683d2bedfe7SMark Brown 		.end   = WM831X_LDO11_SLEEP_CONTROL,
684d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
685d2bedfe7SMark Brown 	},
686d2bedfe7SMark Brown };
687d2bedfe7SMark Brown 
688d2bedfe7SMark Brown static struct resource wm831x_on_resources[] = {
689d2bedfe7SMark Brown 	{
690d2bedfe7SMark Brown 		.start = WM831X_IRQ_ON,
691d2bedfe7SMark Brown 		.end   = WM831X_IRQ_ON,
692d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
693d2bedfe7SMark Brown 	},
694d2bedfe7SMark Brown };
695d2bedfe7SMark Brown 
696d2bedfe7SMark Brown 
697d2bedfe7SMark Brown static struct resource wm831x_power_resources[] = {
698d2bedfe7SMark Brown 	{
699d2bedfe7SMark Brown 		.name = "SYSLO",
700d2bedfe7SMark Brown 		.start = WM831X_IRQ_PPM_SYSLO,
701d2bedfe7SMark Brown 		.end   = WM831X_IRQ_PPM_SYSLO,
702d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
703d2bedfe7SMark Brown 	},
704d2bedfe7SMark Brown 	{
705d2bedfe7SMark Brown 		.name = "PWR SRC",
706d2bedfe7SMark Brown 		.start = WM831X_IRQ_PPM_PWR_SRC,
707d2bedfe7SMark Brown 		.end   = WM831X_IRQ_PPM_PWR_SRC,
708d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
709d2bedfe7SMark Brown 	},
710d2bedfe7SMark Brown 	{
711d2bedfe7SMark Brown 		.name = "USB CURR",
712d2bedfe7SMark Brown 		.start = WM831X_IRQ_PPM_USB_CURR,
713d2bedfe7SMark Brown 		.end   = WM831X_IRQ_PPM_USB_CURR,
714d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
715d2bedfe7SMark Brown 	},
716d2bedfe7SMark Brown 	{
717d2bedfe7SMark Brown 		.name = "BATT HOT",
718d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_BATT_HOT,
719d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_BATT_HOT,
720d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
721d2bedfe7SMark Brown 	},
722d2bedfe7SMark Brown 	{
723d2bedfe7SMark Brown 		.name = "BATT COLD",
724d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_BATT_COLD,
725d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_BATT_COLD,
726d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
727d2bedfe7SMark Brown 	},
728d2bedfe7SMark Brown 	{
729d2bedfe7SMark Brown 		.name = "BATT FAIL",
730d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_BATT_FAIL,
731d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_BATT_FAIL,
732d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
733d2bedfe7SMark Brown 	},
734d2bedfe7SMark Brown 	{
735d2bedfe7SMark Brown 		.name = "OV",
736d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_OV,
737d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_OV,
738d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
739d2bedfe7SMark Brown 	},
740d2bedfe7SMark Brown 	{
741d2bedfe7SMark Brown 		.name = "END",
742d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_END,
743d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_END,
744d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
745d2bedfe7SMark Brown 	},
746d2bedfe7SMark Brown 	{
747d2bedfe7SMark Brown 		.name = "TO",
748d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_TO,
749d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_TO,
750d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
751d2bedfe7SMark Brown 	},
752d2bedfe7SMark Brown 	{
753d2bedfe7SMark Brown 		.name = "MODE",
754d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_MODE,
755d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_MODE,
756d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
757d2bedfe7SMark Brown 	},
758d2bedfe7SMark Brown 	{
759d2bedfe7SMark Brown 		.name = "START",
760d2bedfe7SMark Brown 		.start = WM831X_IRQ_CHG_START,
761d2bedfe7SMark Brown 		.end   = WM831X_IRQ_CHG_START,
762d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
763d2bedfe7SMark Brown 	},
764d2bedfe7SMark Brown };
765d2bedfe7SMark Brown 
766d2bedfe7SMark Brown static struct resource wm831x_rtc_resources[] = {
767d2bedfe7SMark Brown 	{
768d2bedfe7SMark Brown 		.name = "PER",
769d2bedfe7SMark Brown 		.start = WM831X_IRQ_RTC_PER,
770d2bedfe7SMark Brown 		.end   = WM831X_IRQ_RTC_PER,
771d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
772d2bedfe7SMark Brown 	},
773d2bedfe7SMark Brown 	{
774d2bedfe7SMark Brown 		.name = "ALM",
775d2bedfe7SMark Brown 		.start = WM831X_IRQ_RTC_ALM,
776d2bedfe7SMark Brown 		.end   = WM831X_IRQ_RTC_ALM,
777d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
778d2bedfe7SMark Brown 	},
779d2bedfe7SMark Brown };
780d2bedfe7SMark Brown 
781d2bedfe7SMark Brown static struct resource wm831x_status1_resources[] = {
782d2bedfe7SMark Brown 	{
783d2bedfe7SMark Brown 		.start = WM831X_STATUS_LED_1,
784d2bedfe7SMark Brown 		.end   = WM831X_STATUS_LED_1,
785d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
786d2bedfe7SMark Brown 	},
787d2bedfe7SMark Brown };
788d2bedfe7SMark Brown 
789d2bedfe7SMark Brown static struct resource wm831x_status2_resources[] = {
790d2bedfe7SMark Brown 	{
791d2bedfe7SMark Brown 		.start = WM831X_STATUS_LED_2,
792d2bedfe7SMark Brown 		.end   = WM831X_STATUS_LED_2,
793d2bedfe7SMark Brown 		.flags = IORESOURCE_IO,
794d2bedfe7SMark Brown 	},
795d2bedfe7SMark Brown };
796d2bedfe7SMark Brown 
797d2bedfe7SMark Brown static struct resource wm831x_touch_resources[] = {
798d2bedfe7SMark Brown 	{
799d2bedfe7SMark Brown 		.name = "TCHPD",
800d2bedfe7SMark Brown 		.start = WM831X_IRQ_TCHPD,
801d2bedfe7SMark Brown 		.end   = WM831X_IRQ_TCHPD,
802d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
803d2bedfe7SMark Brown 	},
804d2bedfe7SMark Brown 	{
805d2bedfe7SMark Brown 		.name = "TCHDATA",
806d2bedfe7SMark Brown 		.start = WM831X_IRQ_TCHDATA,
807d2bedfe7SMark Brown 		.end   = WM831X_IRQ_TCHDATA,
808d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
809d2bedfe7SMark Brown 	},
810d2bedfe7SMark Brown };
811d2bedfe7SMark Brown 
812d2bedfe7SMark Brown static struct resource wm831x_wdt_resources[] = {
813d2bedfe7SMark Brown 	{
814d2bedfe7SMark Brown 		.start = WM831X_IRQ_WDOG_TO,
815d2bedfe7SMark Brown 		.end   = WM831X_IRQ_WDOG_TO,
816d2bedfe7SMark Brown 		.flags = IORESOURCE_IRQ,
817d2bedfe7SMark Brown 	},
818d2bedfe7SMark Brown };
819d2bedfe7SMark Brown 
820d2bedfe7SMark Brown static struct mfd_cell wm8310_devs[] = {
821d2bedfe7SMark Brown 	{
822c26964eaSMark Brown 		.name = "wm831x-backup",
823c26964eaSMark Brown 	},
824c26964eaSMark Brown 	{
825d2bedfe7SMark Brown 		.name = "wm831x-buckv",
826d2bedfe7SMark Brown 		.id = 1,
827d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
828d2bedfe7SMark Brown 		.resources = wm831x_dcdc1_resources,
829d2bedfe7SMark Brown 	},
830d2bedfe7SMark Brown 	{
831d2bedfe7SMark Brown 		.name = "wm831x-buckv",
832d2bedfe7SMark Brown 		.id = 2,
833d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
834d2bedfe7SMark Brown 		.resources = wm831x_dcdc2_resources,
835d2bedfe7SMark Brown 	},
836d2bedfe7SMark Brown 	{
837d2bedfe7SMark Brown 		.name = "wm831x-buckp",
838d2bedfe7SMark Brown 		.id = 3,
839d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
840d2bedfe7SMark Brown 		.resources = wm831x_dcdc3_resources,
841d2bedfe7SMark Brown 	},
842d2bedfe7SMark Brown 	{
843d2bedfe7SMark Brown 		.name = "wm831x-boostp",
844d2bedfe7SMark Brown 		.id = 4,
845d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc4_resources),
846d2bedfe7SMark Brown 		.resources = wm831x_dcdc4_resources,
847d2bedfe7SMark Brown 	},
848d2bedfe7SMark Brown 	{
849d2bedfe7SMark Brown 		.name = "wm831x-epe",
850d2bedfe7SMark Brown 		.id = 1,
851d2bedfe7SMark Brown 	},
852d2bedfe7SMark Brown 	{
853d2bedfe7SMark Brown 		.name = "wm831x-epe",
854d2bedfe7SMark Brown 		.id = 2,
855d2bedfe7SMark Brown 	},
856d2bedfe7SMark Brown 	{
857d2bedfe7SMark Brown 		.name = "wm831x-gpio",
858d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_gpio_resources),
859d2bedfe7SMark Brown 		.resources = wm831x_gpio_resources,
860d2bedfe7SMark Brown 	},
861d2bedfe7SMark Brown 	{
862d2bedfe7SMark Brown 		.name = "wm831x-hwmon",
863d2bedfe7SMark Brown 	},
864d2bedfe7SMark Brown 	{
865d2bedfe7SMark Brown 		.name = "wm831x-isink",
866d2bedfe7SMark Brown 		.id = 1,
867d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_isink1_resources),
868d2bedfe7SMark Brown 		.resources = wm831x_isink1_resources,
869d2bedfe7SMark Brown 	},
870d2bedfe7SMark Brown 	{
871d2bedfe7SMark Brown 		.name = "wm831x-isink",
872d2bedfe7SMark Brown 		.id = 2,
873d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_isink2_resources),
874d2bedfe7SMark Brown 		.resources = wm831x_isink2_resources,
875d2bedfe7SMark Brown 	},
876d2bedfe7SMark Brown 	{
877d2bedfe7SMark Brown 		.name = "wm831x-ldo",
878d2bedfe7SMark Brown 		.id = 1,
879d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
880d2bedfe7SMark Brown 		.resources = wm831x_ldo1_resources,
881d2bedfe7SMark Brown 	},
882d2bedfe7SMark Brown 	{
883d2bedfe7SMark Brown 		.name = "wm831x-ldo",
884d2bedfe7SMark Brown 		.id = 2,
885d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
886d2bedfe7SMark Brown 		.resources = wm831x_ldo2_resources,
887d2bedfe7SMark Brown 	},
888d2bedfe7SMark Brown 	{
889d2bedfe7SMark Brown 		.name = "wm831x-ldo",
890d2bedfe7SMark Brown 		.id = 3,
891d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
892d2bedfe7SMark Brown 		.resources = wm831x_ldo3_resources,
893d2bedfe7SMark Brown 	},
894d2bedfe7SMark Brown 	{
895d2bedfe7SMark Brown 		.name = "wm831x-ldo",
896d2bedfe7SMark Brown 		.id = 4,
897d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
898d2bedfe7SMark Brown 		.resources = wm831x_ldo4_resources,
899d2bedfe7SMark Brown 	},
900d2bedfe7SMark Brown 	{
901d2bedfe7SMark Brown 		.name = "wm831x-ldo",
902d2bedfe7SMark Brown 		.id = 5,
903d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
904d2bedfe7SMark Brown 		.resources = wm831x_ldo5_resources,
905d2bedfe7SMark Brown 	},
906d2bedfe7SMark Brown 	{
907d2bedfe7SMark Brown 		.name = "wm831x-ldo",
908d2bedfe7SMark Brown 		.id = 6,
909d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo6_resources),
910d2bedfe7SMark Brown 		.resources = wm831x_ldo6_resources,
911d2bedfe7SMark Brown 	},
912d2bedfe7SMark Brown 	{
913d2bedfe7SMark Brown 		.name = "wm831x-aldo",
914d2bedfe7SMark Brown 		.id = 7,
915d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
916d2bedfe7SMark Brown 		.resources = wm831x_ldo7_resources,
917d2bedfe7SMark Brown 	},
918d2bedfe7SMark Brown 	{
919d2bedfe7SMark Brown 		.name = "wm831x-aldo",
920d2bedfe7SMark Brown 		.id = 8,
921d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo8_resources),
922d2bedfe7SMark Brown 		.resources = wm831x_ldo8_resources,
923d2bedfe7SMark Brown 	},
924d2bedfe7SMark Brown 	{
925d2bedfe7SMark Brown 		.name = "wm831x-aldo",
926d2bedfe7SMark Brown 		.id = 9,
927d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo9_resources),
928d2bedfe7SMark Brown 		.resources = wm831x_ldo9_resources,
929d2bedfe7SMark Brown 	},
930d2bedfe7SMark Brown 	{
931d2bedfe7SMark Brown 		.name = "wm831x-aldo",
932d2bedfe7SMark Brown 		.id = 10,
933d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo10_resources),
934d2bedfe7SMark Brown 		.resources = wm831x_ldo10_resources,
935d2bedfe7SMark Brown 	},
936d2bedfe7SMark Brown 	{
937d2bedfe7SMark Brown 		.name = "wm831x-alive-ldo",
938d2bedfe7SMark Brown 		.id = 11,
939d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
940d2bedfe7SMark Brown 		.resources = wm831x_ldo11_resources,
941d2bedfe7SMark Brown 	},
942d2bedfe7SMark Brown 	{
943d2bedfe7SMark Brown 		.name = "wm831x-on",
944d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_on_resources),
945d2bedfe7SMark Brown 		.resources = wm831x_on_resources,
946d2bedfe7SMark Brown 	},
947d2bedfe7SMark Brown 	{
948d2bedfe7SMark Brown 		.name = "wm831x-power",
949d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_power_resources),
950d2bedfe7SMark Brown 		.resources = wm831x_power_resources,
951d2bedfe7SMark Brown 	},
952d2bedfe7SMark Brown 	{
953d2bedfe7SMark Brown 		.name = "wm831x-rtc",
954d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_rtc_resources),
955d2bedfe7SMark Brown 		.resources = wm831x_rtc_resources,
956d2bedfe7SMark Brown 	},
957d2bedfe7SMark Brown 	{
958d2bedfe7SMark Brown 		.name = "wm831x-status",
959d2bedfe7SMark Brown 		.id = 1,
960d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status1_resources),
961d2bedfe7SMark Brown 		.resources = wm831x_status1_resources,
962d2bedfe7SMark Brown 	},
963d2bedfe7SMark Brown 	{
964d2bedfe7SMark Brown 		.name = "wm831x-status",
965d2bedfe7SMark Brown 		.id = 2,
966d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status2_resources),
967d2bedfe7SMark Brown 		.resources = wm831x_status2_resources,
968d2bedfe7SMark Brown 	},
969d2bedfe7SMark Brown 	{
970d2bedfe7SMark Brown 		.name = "wm831x-watchdog",
971d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_wdt_resources),
972d2bedfe7SMark Brown 		.resources = wm831x_wdt_resources,
973d2bedfe7SMark Brown 	},
974d2bedfe7SMark Brown };
975d2bedfe7SMark Brown 
976d2bedfe7SMark Brown static struct mfd_cell wm8311_devs[] = {
977d2bedfe7SMark Brown 	{
978c26964eaSMark Brown 		.name = "wm831x-backup",
979c26964eaSMark Brown 	},
980c26964eaSMark Brown 	{
981d2bedfe7SMark Brown 		.name = "wm831x-buckv",
982d2bedfe7SMark Brown 		.id = 1,
983d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
984d2bedfe7SMark Brown 		.resources = wm831x_dcdc1_resources,
985d2bedfe7SMark Brown 	},
986d2bedfe7SMark Brown 	{
987d2bedfe7SMark Brown 		.name = "wm831x-buckv",
988d2bedfe7SMark Brown 		.id = 2,
989d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
990d2bedfe7SMark Brown 		.resources = wm831x_dcdc2_resources,
991d2bedfe7SMark Brown 	},
992d2bedfe7SMark Brown 	{
993d2bedfe7SMark Brown 		.name = "wm831x-buckp",
994d2bedfe7SMark Brown 		.id = 3,
995d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
996d2bedfe7SMark Brown 		.resources = wm831x_dcdc3_resources,
997d2bedfe7SMark Brown 	},
998d2bedfe7SMark Brown 	{
999d2bedfe7SMark Brown 		.name = "wm831x-boostp",
1000d2bedfe7SMark Brown 		.id = 4,
1001d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc4_resources),
1002d2bedfe7SMark Brown 		.resources = wm831x_dcdc4_resources,
1003d2bedfe7SMark Brown 	},
1004d2bedfe7SMark Brown 	{
1005d2bedfe7SMark Brown 		.name = "wm831x-epe",
1006d2bedfe7SMark Brown 		.id = 1,
1007d2bedfe7SMark Brown 	},
1008d2bedfe7SMark Brown 	{
1009d2bedfe7SMark Brown 		.name = "wm831x-epe",
1010d2bedfe7SMark Brown 		.id = 2,
1011d2bedfe7SMark Brown 	},
1012d2bedfe7SMark Brown 	{
1013d2bedfe7SMark Brown 		.name = "wm831x-gpio",
1014d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_gpio_resources),
1015d2bedfe7SMark Brown 		.resources = wm831x_gpio_resources,
1016d2bedfe7SMark Brown 	},
1017d2bedfe7SMark Brown 	{
1018d2bedfe7SMark Brown 		.name = "wm831x-hwmon",
1019d2bedfe7SMark Brown 	},
1020d2bedfe7SMark Brown 	{
1021d2bedfe7SMark Brown 		.name = "wm831x-isink",
1022d2bedfe7SMark Brown 		.id = 1,
1023d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_isink1_resources),
1024d2bedfe7SMark Brown 		.resources = wm831x_isink1_resources,
1025d2bedfe7SMark Brown 	},
1026d2bedfe7SMark Brown 	{
1027d2bedfe7SMark Brown 		.name = "wm831x-isink",
1028d2bedfe7SMark Brown 		.id = 2,
1029d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_isink2_resources),
1030d2bedfe7SMark Brown 		.resources = wm831x_isink2_resources,
1031d2bedfe7SMark Brown 	},
1032d2bedfe7SMark Brown 	{
1033d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1034d2bedfe7SMark Brown 		.id = 1,
1035d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
1036d2bedfe7SMark Brown 		.resources = wm831x_ldo1_resources,
1037d2bedfe7SMark Brown 	},
1038d2bedfe7SMark Brown 	{
1039d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1040d2bedfe7SMark Brown 		.id = 2,
1041d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
1042d2bedfe7SMark Brown 		.resources = wm831x_ldo2_resources,
1043d2bedfe7SMark Brown 	},
1044d2bedfe7SMark Brown 	{
1045d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1046d2bedfe7SMark Brown 		.id = 3,
1047d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
1048d2bedfe7SMark Brown 		.resources = wm831x_ldo3_resources,
1049d2bedfe7SMark Brown 	},
1050d2bedfe7SMark Brown 	{
1051d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1052d2bedfe7SMark Brown 		.id = 4,
1053d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
1054d2bedfe7SMark Brown 		.resources = wm831x_ldo4_resources,
1055d2bedfe7SMark Brown 	},
1056d2bedfe7SMark Brown 	{
1057d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1058d2bedfe7SMark Brown 		.id = 5,
1059d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
1060d2bedfe7SMark Brown 		.resources = wm831x_ldo5_resources,
1061d2bedfe7SMark Brown 	},
1062d2bedfe7SMark Brown 	{
1063d2bedfe7SMark Brown 		.name = "wm831x-aldo",
1064d2bedfe7SMark Brown 		.id = 7,
1065d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
1066d2bedfe7SMark Brown 		.resources = wm831x_ldo7_resources,
1067d2bedfe7SMark Brown 	},
1068d2bedfe7SMark Brown 	{
1069d2bedfe7SMark Brown 		.name = "wm831x-alive-ldo",
1070d2bedfe7SMark Brown 		.id = 11,
1071d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
1072d2bedfe7SMark Brown 		.resources = wm831x_ldo11_resources,
1073d2bedfe7SMark Brown 	},
1074d2bedfe7SMark Brown 	{
1075d2bedfe7SMark Brown 		.name = "wm831x-on",
1076d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_on_resources),
1077d2bedfe7SMark Brown 		.resources = wm831x_on_resources,
1078d2bedfe7SMark Brown 	},
1079d2bedfe7SMark Brown 	{
1080d2bedfe7SMark Brown 		.name = "wm831x-power",
1081d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_power_resources),
1082d2bedfe7SMark Brown 		.resources = wm831x_power_resources,
1083d2bedfe7SMark Brown 	},
1084d2bedfe7SMark Brown 	{
1085d2bedfe7SMark Brown 		.name = "wm831x-rtc",
1086d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_rtc_resources),
1087d2bedfe7SMark Brown 		.resources = wm831x_rtc_resources,
1088d2bedfe7SMark Brown 	},
1089d2bedfe7SMark Brown 	{
1090d2bedfe7SMark Brown 		.name = "wm831x-status",
1091d2bedfe7SMark Brown 		.id = 1,
1092d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status1_resources),
1093d2bedfe7SMark Brown 		.resources = wm831x_status1_resources,
1094d2bedfe7SMark Brown 	},
1095d2bedfe7SMark Brown 	{
1096d2bedfe7SMark Brown 		.name = "wm831x-status",
1097d2bedfe7SMark Brown 		.id = 2,
1098d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status2_resources),
1099d2bedfe7SMark Brown 		.resources = wm831x_status2_resources,
1100d2bedfe7SMark Brown 	},
1101d2bedfe7SMark Brown 	{
1102d2bedfe7SMark Brown 		.name = "wm831x-touch",
1103d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_touch_resources),
1104d2bedfe7SMark Brown 		.resources = wm831x_touch_resources,
1105d2bedfe7SMark Brown 	},
1106d2bedfe7SMark Brown 	{
1107d2bedfe7SMark Brown 		.name = "wm831x-watchdog",
1108d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_wdt_resources),
1109d2bedfe7SMark Brown 		.resources = wm831x_wdt_resources,
1110d2bedfe7SMark Brown 	},
1111d2bedfe7SMark Brown };
1112d2bedfe7SMark Brown 
1113d2bedfe7SMark Brown static struct mfd_cell wm8312_devs[] = {
1114d2bedfe7SMark Brown 	{
1115c26964eaSMark Brown 		.name = "wm831x-backup",
1116c26964eaSMark Brown 	},
1117c26964eaSMark Brown 	{
1118d2bedfe7SMark Brown 		.name = "wm831x-buckv",
1119d2bedfe7SMark Brown 		.id = 1,
1120d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
1121d2bedfe7SMark Brown 		.resources = wm831x_dcdc1_resources,
1122d2bedfe7SMark Brown 	},
1123d2bedfe7SMark Brown 	{
1124d2bedfe7SMark Brown 		.name = "wm831x-buckv",
1125d2bedfe7SMark Brown 		.id = 2,
1126d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
1127d2bedfe7SMark Brown 		.resources = wm831x_dcdc2_resources,
1128d2bedfe7SMark Brown 	},
1129d2bedfe7SMark Brown 	{
1130d2bedfe7SMark Brown 		.name = "wm831x-buckp",
1131d2bedfe7SMark Brown 		.id = 3,
1132d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
1133d2bedfe7SMark Brown 		.resources = wm831x_dcdc3_resources,
1134d2bedfe7SMark Brown 	},
1135d2bedfe7SMark Brown 	{
1136d2bedfe7SMark Brown 		.name = "wm831x-boostp",
1137d2bedfe7SMark Brown 		.id = 4,
1138d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc4_resources),
1139d2bedfe7SMark Brown 		.resources = wm831x_dcdc4_resources,
1140d2bedfe7SMark Brown 	},
1141d2bedfe7SMark Brown 	{
1142d2bedfe7SMark Brown 		.name = "wm831x-epe",
1143d2bedfe7SMark Brown 		.id = 1,
1144d2bedfe7SMark Brown 	},
1145d2bedfe7SMark Brown 	{
1146d2bedfe7SMark Brown 		.name = "wm831x-epe",
1147d2bedfe7SMark Brown 		.id = 2,
1148d2bedfe7SMark Brown 	},
1149d2bedfe7SMark Brown 	{
1150d2bedfe7SMark Brown 		.name = "wm831x-gpio",
1151d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_gpio_resources),
1152d2bedfe7SMark Brown 		.resources = wm831x_gpio_resources,
1153d2bedfe7SMark Brown 	},
1154d2bedfe7SMark Brown 	{
1155d2bedfe7SMark Brown 		.name = "wm831x-hwmon",
1156d2bedfe7SMark Brown 	},
1157d2bedfe7SMark Brown 	{
1158d2bedfe7SMark Brown 		.name = "wm831x-isink",
1159d2bedfe7SMark Brown 		.id = 1,
1160d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_isink1_resources),
1161d2bedfe7SMark Brown 		.resources = wm831x_isink1_resources,
1162d2bedfe7SMark Brown 	},
1163d2bedfe7SMark Brown 	{
1164d2bedfe7SMark Brown 		.name = "wm831x-isink",
1165d2bedfe7SMark Brown 		.id = 2,
1166d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_isink2_resources),
1167d2bedfe7SMark Brown 		.resources = wm831x_isink2_resources,
1168d2bedfe7SMark Brown 	},
1169d2bedfe7SMark Brown 	{
1170d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1171d2bedfe7SMark Brown 		.id = 1,
1172d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
1173d2bedfe7SMark Brown 		.resources = wm831x_ldo1_resources,
1174d2bedfe7SMark Brown 	},
1175d2bedfe7SMark Brown 	{
1176d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1177d2bedfe7SMark Brown 		.id = 2,
1178d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
1179d2bedfe7SMark Brown 		.resources = wm831x_ldo2_resources,
1180d2bedfe7SMark Brown 	},
1181d2bedfe7SMark Brown 	{
1182d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1183d2bedfe7SMark Brown 		.id = 3,
1184d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
1185d2bedfe7SMark Brown 		.resources = wm831x_ldo3_resources,
1186d2bedfe7SMark Brown 	},
1187d2bedfe7SMark Brown 	{
1188d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1189d2bedfe7SMark Brown 		.id = 4,
1190d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
1191d2bedfe7SMark Brown 		.resources = wm831x_ldo4_resources,
1192d2bedfe7SMark Brown 	},
1193d2bedfe7SMark Brown 	{
1194d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1195d2bedfe7SMark Brown 		.id = 5,
1196d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
1197d2bedfe7SMark Brown 		.resources = wm831x_ldo5_resources,
1198d2bedfe7SMark Brown 	},
1199d2bedfe7SMark Brown 	{
1200d2bedfe7SMark Brown 		.name = "wm831x-ldo",
1201d2bedfe7SMark Brown 		.id = 6,
1202d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo6_resources),
1203d2bedfe7SMark Brown 		.resources = wm831x_ldo6_resources,
1204d2bedfe7SMark Brown 	},
1205d2bedfe7SMark Brown 	{
1206d2bedfe7SMark Brown 		.name = "wm831x-aldo",
1207d2bedfe7SMark Brown 		.id = 7,
1208d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
1209d2bedfe7SMark Brown 		.resources = wm831x_ldo7_resources,
1210d2bedfe7SMark Brown 	},
1211d2bedfe7SMark Brown 	{
1212d2bedfe7SMark Brown 		.name = "wm831x-aldo",
1213d2bedfe7SMark Brown 		.id = 8,
1214d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo8_resources),
1215d2bedfe7SMark Brown 		.resources = wm831x_ldo8_resources,
1216d2bedfe7SMark Brown 	},
1217d2bedfe7SMark Brown 	{
1218d2bedfe7SMark Brown 		.name = "wm831x-aldo",
1219d2bedfe7SMark Brown 		.id = 9,
1220d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo9_resources),
1221d2bedfe7SMark Brown 		.resources = wm831x_ldo9_resources,
1222d2bedfe7SMark Brown 	},
1223d2bedfe7SMark Brown 	{
1224d2bedfe7SMark Brown 		.name = "wm831x-aldo",
1225d2bedfe7SMark Brown 		.id = 10,
1226d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo10_resources),
1227d2bedfe7SMark Brown 		.resources = wm831x_ldo10_resources,
1228d2bedfe7SMark Brown 	},
1229d2bedfe7SMark Brown 	{
1230d2bedfe7SMark Brown 		.name = "wm831x-alive-ldo",
1231d2bedfe7SMark Brown 		.id = 11,
1232d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
1233d2bedfe7SMark Brown 		.resources = wm831x_ldo11_resources,
1234d2bedfe7SMark Brown 	},
1235d2bedfe7SMark Brown 	{
1236d2bedfe7SMark Brown 		.name = "wm831x-on",
1237d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_on_resources),
1238d2bedfe7SMark Brown 		.resources = wm831x_on_resources,
1239d2bedfe7SMark Brown 	},
1240d2bedfe7SMark Brown 	{
1241d2bedfe7SMark Brown 		.name = "wm831x-power",
1242d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_power_resources),
1243d2bedfe7SMark Brown 		.resources = wm831x_power_resources,
1244d2bedfe7SMark Brown 	},
1245d2bedfe7SMark Brown 	{
1246d2bedfe7SMark Brown 		.name = "wm831x-rtc",
1247d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_rtc_resources),
1248d2bedfe7SMark Brown 		.resources = wm831x_rtc_resources,
1249d2bedfe7SMark Brown 	},
1250d2bedfe7SMark Brown 	{
1251d2bedfe7SMark Brown 		.name = "wm831x-status",
1252d2bedfe7SMark Brown 		.id = 1,
1253d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status1_resources),
1254d2bedfe7SMark Brown 		.resources = wm831x_status1_resources,
1255d2bedfe7SMark Brown 	},
1256d2bedfe7SMark Brown 	{
1257d2bedfe7SMark Brown 		.name = "wm831x-status",
1258d2bedfe7SMark Brown 		.id = 2,
1259d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status2_resources),
1260d2bedfe7SMark Brown 		.resources = wm831x_status2_resources,
1261d2bedfe7SMark Brown 	},
1262d2bedfe7SMark Brown 	{
1263d2bedfe7SMark Brown 		.name = "wm831x-touch",
1264d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_touch_resources),
1265d2bedfe7SMark Brown 		.resources = wm831x_touch_resources,
1266d2bedfe7SMark Brown 	},
1267d2bedfe7SMark Brown 	{
1268d2bedfe7SMark Brown 		.name = "wm831x-watchdog",
1269d2bedfe7SMark Brown 		.num_resources = ARRAY_SIZE(wm831x_wdt_resources),
1270d2bedfe7SMark Brown 		.resources = wm831x_wdt_resources,
1271d2bedfe7SMark Brown 	},
1272d2bedfe7SMark Brown };
1273d2bedfe7SMark Brown 
1274d4e0a89eSMark Brown static struct mfd_cell wm8320_devs[] = {
1275d4e0a89eSMark Brown 	{
1276d4e0a89eSMark Brown 		.name = "wm831x-backup",
1277d4e0a89eSMark Brown 	},
1278d4e0a89eSMark Brown 	{
1279d4e0a89eSMark Brown 		.name = "wm831x-buckv",
1280d4e0a89eSMark Brown 		.id = 1,
1281d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
1282d4e0a89eSMark Brown 		.resources = wm831x_dcdc1_resources,
1283d4e0a89eSMark Brown 	},
1284d4e0a89eSMark Brown 	{
1285d4e0a89eSMark Brown 		.name = "wm831x-buckv",
1286d4e0a89eSMark Brown 		.id = 2,
1287d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
1288d4e0a89eSMark Brown 		.resources = wm831x_dcdc2_resources,
1289d4e0a89eSMark Brown 	},
1290d4e0a89eSMark Brown 	{
1291d4e0a89eSMark Brown 		.name = "wm831x-buckp",
1292d4e0a89eSMark Brown 		.id = 3,
1293d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
1294d4e0a89eSMark Brown 		.resources = wm831x_dcdc3_resources,
1295d4e0a89eSMark Brown 	},
1296d4e0a89eSMark Brown 	{
1297d4e0a89eSMark Brown 		.name = "wm831x-buckp",
1298d4e0a89eSMark Brown 		.id = 4,
1299d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm8320_dcdc4_buck_resources),
1300d4e0a89eSMark Brown 		.resources = wm8320_dcdc4_buck_resources,
1301d4e0a89eSMark Brown 	},
1302d4e0a89eSMark Brown 	{
1303d4e0a89eSMark Brown 		.name = "wm831x-gpio",
1304d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_gpio_resources),
1305d4e0a89eSMark Brown 		.resources = wm831x_gpio_resources,
1306d4e0a89eSMark Brown 	},
1307d4e0a89eSMark Brown 	{
1308d4e0a89eSMark Brown 		.name = "wm831x-hwmon",
1309d4e0a89eSMark Brown 	},
1310d4e0a89eSMark Brown 	{
1311d4e0a89eSMark Brown 		.name = "wm831x-ldo",
1312d4e0a89eSMark Brown 		.id = 1,
1313d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
1314d4e0a89eSMark Brown 		.resources = wm831x_ldo1_resources,
1315d4e0a89eSMark Brown 	},
1316d4e0a89eSMark Brown 	{
1317d4e0a89eSMark Brown 		.name = "wm831x-ldo",
1318d4e0a89eSMark Brown 		.id = 2,
1319d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
1320d4e0a89eSMark Brown 		.resources = wm831x_ldo2_resources,
1321d4e0a89eSMark Brown 	},
1322d4e0a89eSMark Brown 	{
1323d4e0a89eSMark Brown 		.name = "wm831x-ldo",
1324d4e0a89eSMark Brown 		.id = 3,
1325d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
1326d4e0a89eSMark Brown 		.resources = wm831x_ldo3_resources,
1327d4e0a89eSMark Brown 	},
1328d4e0a89eSMark Brown 	{
1329d4e0a89eSMark Brown 		.name = "wm831x-ldo",
1330d4e0a89eSMark Brown 		.id = 4,
1331d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
1332d4e0a89eSMark Brown 		.resources = wm831x_ldo4_resources,
1333d4e0a89eSMark Brown 	},
1334d4e0a89eSMark Brown 	{
1335d4e0a89eSMark Brown 		.name = "wm831x-ldo",
1336d4e0a89eSMark Brown 		.id = 5,
1337d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
1338d4e0a89eSMark Brown 		.resources = wm831x_ldo5_resources,
1339d4e0a89eSMark Brown 	},
1340d4e0a89eSMark Brown 	{
1341d4e0a89eSMark Brown 		.name = "wm831x-ldo",
1342d4e0a89eSMark Brown 		.id = 6,
1343d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo6_resources),
1344d4e0a89eSMark Brown 		.resources = wm831x_ldo6_resources,
1345d4e0a89eSMark Brown 	},
1346d4e0a89eSMark Brown 	{
1347d4e0a89eSMark Brown 		.name = "wm831x-aldo",
1348d4e0a89eSMark Brown 		.id = 7,
1349d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
1350d4e0a89eSMark Brown 		.resources = wm831x_ldo7_resources,
1351d4e0a89eSMark Brown 	},
1352d4e0a89eSMark Brown 	{
1353d4e0a89eSMark Brown 		.name = "wm831x-aldo",
1354d4e0a89eSMark Brown 		.id = 8,
1355d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo8_resources),
1356d4e0a89eSMark Brown 		.resources = wm831x_ldo8_resources,
1357d4e0a89eSMark Brown 	},
1358d4e0a89eSMark Brown 	{
1359d4e0a89eSMark Brown 		.name = "wm831x-aldo",
1360d4e0a89eSMark Brown 		.id = 9,
1361d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo9_resources),
1362d4e0a89eSMark Brown 		.resources = wm831x_ldo9_resources,
1363d4e0a89eSMark Brown 	},
1364d4e0a89eSMark Brown 	{
1365d4e0a89eSMark Brown 		.name = "wm831x-aldo",
1366d4e0a89eSMark Brown 		.id = 10,
1367d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo10_resources),
1368d4e0a89eSMark Brown 		.resources = wm831x_ldo10_resources,
1369d4e0a89eSMark Brown 	},
1370d4e0a89eSMark Brown 	{
1371d4e0a89eSMark Brown 		.name = "wm831x-alive-ldo",
1372d4e0a89eSMark Brown 		.id = 11,
1373d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
1374d4e0a89eSMark Brown 		.resources = wm831x_ldo11_resources,
1375d4e0a89eSMark Brown 	},
1376d4e0a89eSMark Brown 	{
1377d4e0a89eSMark Brown 		.name = "wm831x-on",
1378d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_on_resources),
1379d4e0a89eSMark Brown 		.resources = wm831x_on_resources,
1380d4e0a89eSMark Brown 	},
1381d4e0a89eSMark Brown 	{
1382d4e0a89eSMark Brown 		.name = "wm831x-rtc",
1383d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_rtc_resources),
1384d4e0a89eSMark Brown 		.resources = wm831x_rtc_resources,
1385d4e0a89eSMark Brown 	},
1386d4e0a89eSMark Brown 	{
1387d4e0a89eSMark Brown 		.name = "wm831x-status",
1388d4e0a89eSMark Brown 		.id = 1,
1389d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status1_resources),
1390d4e0a89eSMark Brown 		.resources = wm831x_status1_resources,
1391d4e0a89eSMark Brown 	},
1392d4e0a89eSMark Brown 	{
1393d4e0a89eSMark Brown 		.name = "wm831x-status",
1394d4e0a89eSMark Brown 		.id = 2,
1395d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_status2_resources),
1396d4e0a89eSMark Brown 		.resources = wm831x_status2_resources,
1397d4e0a89eSMark Brown 	},
1398d4e0a89eSMark Brown 	{
1399d4e0a89eSMark Brown 		.name = "wm831x-watchdog",
1400d4e0a89eSMark Brown 		.num_resources = ARRAY_SIZE(wm831x_wdt_resources),
1401d4e0a89eSMark Brown 		.resources = wm831x_wdt_resources,
1402d4e0a89eSMark Brown 	},
1403d4e0a89eSMark Brown };
1404d4e0a89eSMark Brown 
140563aed85eSMark Brown static struct mfd_cell backlight_devs[] = {
140663aed85eSMark Brown 	{
140763aed85eSMark Brown 		.name = "wm831x-backlight",
140863aed85eSMark Brown 	},
140963aed85eSMark Brown };
141063aed85eSMark Brown 
1411d2bedfe7SMark Brown /*
1412d2bedfe7SMark Brown  * Instantiate the generic non-control parts of the device.
1413d2bedfe7SMark Brown  */
1414d2bedfe7SMark Brown static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
1415d2bedfe7SMark Brown {
1416d2bedfe7SMark Brown 	struct wm831x_pdata *pdata = wm831x->dev->platform_data;
1417d2bedfe7SMark Brown 	int rev;
1418d2bedfe7SMark Brown 	enum wm831x_parent parent;
1419d2bedfe7SMark Brown 	int ret;
1420d2bedfe7SMark Brown 
1421d2bedfe7SMark Brown 	mutex_init(&wm831x->io_lock);
1422d2bedfe7SMark Brown 	mutex_init(&wm831x->key_lock);
14237e9f9fd4SMark Brown 	mutex_init(&wm831x->auxadc_lock);
1424473fe736SMark Brown 	init_completion(&wm831x->auxadc_done);
1425d2bedfe7SMark Brown 	dev_set_drvdata(wm831x->dev, wm831x);
1426d2bedfe7SMark Brown 
1427d2bedfe7SMark Brown 	ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID);
1428d2bedfe7SMark Brown 	if (ret < 0) {
1429d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret);
1430d2bedfe7SMark Brown 		goto err;
1431d2bedfe7SMark Brown 	}
1432d2bedfe7SMark Brown 	if (ret != 0x6204) {
1433d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret);
1434d2bedfe7SMark Brown 		ret = -EINVAL;
1435d2bedfe7SMark Brown 		goto err;
1436d2bedfe7SMark Brown 	}
1437d2bedfe7SMark Brown 
1438d2bedfe7SMark Brown 	ret = wm831x_reg_read(wm831x, WM831X_REVISION);
1439d2bedfe7SMark Brown 	if (ret < 0) {
1440d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Failed to read revision: %d\n", ret);
1441d2bedfe7SMark Brown 		goto err;
1442d2bedfe7SMark Brown 	}
1443d2bedfe7SMark Brown 	rev = (ret & WM831X_PARENT_REV_MASK) >> WM831X_PARENT_REV_SHIFT;
1444d2bedfe7SMark Brown 
1445d2bedfe7SMark Brown 	ret = wm831x_reg_read(wm831x, WM831X_RESET_ID);
1446d2bedfe7SMark Brown 	if (ret < 0) {
1447d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Failed to read device ID: %d\n", ret);
1448d2bedfe7SMark Brown 		goto err;
1449d2bedfe7SMark Brown 	}
1450d2bedfe7SMark Brown 
1451894362f5SMark Brown 	/* Some engineering samples do not have the ID set, rely on
1452894362f5SMark Brown 	 * the device being registered correctly.
1453d2bedfe7SMark Brown 	 */
1454894362f5SMark Brown 	if (ret == 0) {
1455894362f5SMark Brown 		dev_info(wm831x->dev, "Device is an engineering sample\n");
1456894362f5SMark Brown 		ret = id;
1457d2bedfe7SMark Brown 	}
1458894362f5SMark Brown 
1459894362f5SMark Brown 	switch (ret) {
1460894362f5SMark Brown 	case WM8310:
1461894362f5SMark Brown 		parent = WM8310;
14626f2ecaaeSMark Brown 		wm831x->num_gpio = 16;
1463f92e8f81SMark Brown 		if (rev > 0) {
1464f92e8f81SMark Brown 			wm831x->has_gpio_ena = 1;
1465f92e8f81SMark Brown 			wm831x->has_cs_sts = 1;
1466f92e8f81SMark Brown 		}
1467f92e8f81SMark Brown 
1468894362f5SMark Brown 		dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev);
1469894362f5SMark Brown 		break;
1470894362f5SMark Brown 
1471894362f5SMark Brown 	case WM8311:
1472894362f5SMark Brown 		parent = WM8311;
14736f2ecaaeSMark Brown 		wm831x->num_gpio = 16;
1474f92e8f81SMark Brown 		if (rev > 0) {
1475f92e8f81SMark Brown 			wm831x->has_gpio_ena = 1;
1476f92e8f81SMark Brown 			wm831x->has_cs_sts = 1;
1477f92e8f81SMark Brown 		}
1478f92e8f81SMark Brown 
1479894362f5SMark Brown 		dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev);
1480894362f5SMark Brown 		break;
1481894362f5SMark Brown 
1482894362f5SMark Brown 	case WM8312:
1483894362f5SMark Brown 		parent = WM8312;
14846f2ecaaeSMark Brown 		wm831x->num_gpio = 16;
1485f92e8f81SMark Brown 		if (rev > 0) {
1486f92e8f81SMark Brown 			wm831x->has_gpio_ena = 1;
1487f92e8f81SMark Brown 			wm831x->has_cs_sts = 1;
1488f92e8f81SMark Brown 		}
1489f92e8f81SMark Brown 
1490894362f5SMark Brown 		dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev);
1491d2bedfe7SMark Brown 		break;
1492d2bedfe7SMark Brown 
1493d4e0a89eSMark Brown 	case WM8320:
1494d4e0a89eSMark Brown 		parent = WM8320;
1495d4e0a89eSMark Brown 		wm831x->num_gpio = 12;
1496d4e0a89eSMark Brown 		dev_info(wm831x->dev, "WM8320 revision %c\n", 'A' + rev);
1497d4e0a89eSMark Brown 		break;
1498d4e0a89eSMark Brown 
1499d2bedfe7SMark Brown 	default:
1500d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret);
1501d2bedfe7SMark Brown 		ret = -EINVAL;
1502d2bedfe7SMark Brown 		goto err;
1503d2bedfe7SMark Brown 	}
1504d2bedfe7SMark Brown 
1505d2bedfe7SMark Brown 	/* This will need revisiting in future but is OK for all
1506d2bedfe7SMark Brown 	 * current parts.
1507d2bedfe7SMark Brown 	 */
1508d2bedfe7SMark Brown 	if (parent != id)
1509894362f5SMark Brown 		dev_warn(wm831x->dev, "Device was registered as a WM%lx\n",
1510d2bedfe7SMark Brown 			 id);
1511d2bedfe7SMark Brown 
1512d2bedfe7SMark Brown 	/* Bootstrap the user key */
1513d2bedfe7SMark Brown 	ret = wm831x_reg_read(wm831x, WM831X_SECURITY_KEY);
1514d2bedfe7SMark Brown 	if (ret < 0) {
1515d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Failed to read security key: %d\n", ret);
1516d2bedfe7SMark Brown 		goto err;
1517d2bedfe7SMark Brown 	}
1518d2bedfe7SMark Brown 	if (ret != 0) {
1519d2bedfe7SMark Brown 		dev_warn(wm831x->dev, "Security key had non-zero value %x\n",
1520d2bedfe7SMark Brown 			 ret);
1521d2bedfe7SMark Brown 		wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0);
1522d2bedfe7SMark Brown 	}
1523d2bedfe7SMark Brown 	wm831x->locked = 1;
1524d2bedfe7SMark Brown 
1525d2bedfe7SMark Brown 	if (pdata && pdata->pre_init) {
1526d2bedfe7SMark Brown 		ret = pdata->pre_init(wm831x);
1527d2bedfe7SMark Brown 		if (ret != 0) {
1528d2bedfe7SMark Brown 			dev_err(wm831x->dev, "pre_init() failed: %d\n", ret);
1529d2bedfe7SMark Brown 			goto err;
1530d2bedfe7SMark Brown 		}
1531d2bedfe7SMark Brown 	}
1532d2bedfe7SMark Brown 
15337d4d0a3eSMark Brown 	ret = wm831x_irq_init(wm831x, irq);
15347d4d0a3eSMark Brown 	if (ret != 0)
15357d4d0a3eSMark Brown 		goto err;
15367d4d0a3eSMark Brown 
1537473fe736SMark Brown 	if (wm831x->irq_base) {
1538473fe736SMark Brown 		ret = request_threaded_irq(wm831x->irq_base +
1539473fe736SMark Brown 					   WM831X_IRQ_AUXADC_DATA,
1540473fe736SMark Brown 					   NULL, wm831x_auxadc_irq, 0,
1541473fe736SMark Brown 					   "auxadc", wm831x);
1542473fe736SMark Brown 		if (ret < 0)
1543473fe736SMark Brown 			dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n",
1544473fe736SMark Brown 				ret);
1545473fe736SMark Brown 	}
1546473fe736SMark Brown 
1547d2bedfe7SMark Brown 	/* The core device is up, instantiate the subdevices. */
1548d2bedfe7SMark Brown 	switch (parent) {
1549d2bedfe7SMark Brown 	case WM8310:
1550d2bedfe7SMark Brown 		ret = mfd_add_devices(wm831x->dev, -1,
1551d2bedfe7SMark Brown 				      wm8310_devs, ARRAY_SIZE(wm8310_devs),
15525fb4d38bSMark Brown 				      NULL, wm831x->irq_base);
1553d2bedfe7SMark Brown 		break;
1554d2bedfe7SMark Brown 
1555d2bedfe7SMark Brown 	case WM8311:
1556d2bedfe7SMark Brown 		ret = mfd_add_devices(wm831x->dev, -1,
1557d2bedfe7SMark Brown 				      wm8311_devs, ARRAY_SIZE(wm8311_devs),
15585fb4d38bSMark Brown 				      NULL, wm831x->irq_base);
1559d2bedfe7SMark Brown 		break;
1560d2bedfe7SMark Brown 
1561d2bedfe7SMark Brown 	case WM8312:
1562d2bedfe7SMark Brown 		ret = mfd_add_devices(wm831x->dev, -1,
1563d2bedfe7SMark Brown 				      wm8312_devs, ARRAY_SIZE(wm8312_devs),
15645fb4d38bSMark Brown 				      NULL, wm831x->irq_base);
1565d2bedfe7SMark Brown 		break;
1566d2bedfe7SMark Brown 
1567d4e0a89eSMark Brown 	case WM8320:
1568d4e0a89eSMark Brown 		ret = mfd_add_devices(wm831x->dev, -1,
1569d4e0a89eSMark Brown 				      wm8320_devs, ARRAY_SIZE(wm8320_devs),
1570d4e0a89eSMark Brown 				      NULL, 0);
1571d4e0a89eSMark Brown 		break;
1572d4e0a89eSMark Brown 
1573d2bedfe7SMark Brown 	default:
1574d2bedfe7SMark Brown 		/* If this happens the bus probe function is buggy */
1575d2bedfe7SMark Brown 		BUG();
1576d2bedfe7SMark Brown 	}
1577d2bedfe7SMark Brown 
1578d2bedfe7SMark Brown 	if (ret != 0) {
1579d2bedfe7SMark Brown 		dev_err(wm831x->dev, "Failed to add children\n");
15807d4d0a3eSMark Brown 		goto err_irq;
1581d2bedfe7SMark Brown 	}
1582d2bedfe7SMark Brown 
158363aed85eSMark Brown 	if (pdata && pdata->backlight) {
158463aed85eSMark Brown 		/* Treat errors as non-critical */
158563aed85eSMark Brown 		ret = mfd_add_devices(wm831x->dev, -1, backlight_devs,
15865fb4d38bSMark Brown 				      ARRAY_SIZE(backlight_devs), NULL,
15875fb4d38bSMark Brown 				      wm831x->irq_base);
158863aed85eSMark Brown 		if (ret < 0)
158963aed85eSMark Brown 			dev_err(wm831x->dev, "Failed to add backlight: %d\n",
159063aed85eSMark Brown 				ret);
159163aed85eSMark Brown 	}
159263aed85eSMark Brown 
15936704e517SMark Brown 	wm831x_otp_init(wm831x);
15946704e517SMark Brown 
1595d2bedfe7SMark Brown 	if (pdata && pdata->post_init) {
1596d2bedfe7SMark Brown 		ret = pdata->post_init(wm831x);
1597d2bedfe7SMark Brown 		if (ret != 0) {
1598d2bedfe7SMark Brown 			dev_err(wm831x->dev, "post_init() failed: %d\n", ret);
15997d4d0a3eSMark Brown 			goto err_irq;
1600d2bedfe7SMark Brown 		}
1601d2bedfe7SMark Brown 	}
1602d2bedfe7SMark Brown 
1603d2bedfe7SMark Brown 	return 0;
1604d2bedfe7SMark Brown 
16057d4d0a3eSMark Brown err_irq:
16067d4d0a3eSMark Brown 	wm831x_irq_exit(wm831x);
1607d2bedfe7SMark Brown err:
1608d2bedfe7SMark Brown 	mfd_remove_devices(wm831x->dev);
1609d2bedfe7SMark Brown 	kfree(wm831x);
1610d2bedfe7SMark Brown 	return ret;
1611d2bedfe7SMark Brown }
1612d2bedfe7SMark Brown 
1613d2bedfe7SMark Brown static void wm831x_device_exit(struct wm831x *wm831x)
1614d2bedfe7SMark Brown {
16156704e517SMark Brown 	wm831x_otp_exit(wm831x);
1616d2bedfe7SMark Brown 	mfd_remove_devices(wm831x->dev);
1617473fe736SMark Brown 	if (wm831x->irq_base)
1618473fe736SMark Brown 		free_irq(wm831x->irq_base + WM831X_IRQ_AUXADC_DATA, wm831x);
16197d4d0a3eSMark Brown 	wm831x_irq_exit(wm831x);
1620d2bedfe7SMark Brown 	kfree(wm831x);
1621d2bedfe7SMark Brown }
1622d2bedfe7SMark Brown 
1623d2bedfe7SMark Brown static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg,
1624d2bedfe7SMark Brown 				  int bytes, void *dest)
1625d2bedfe7SMark Brown {
1626d2bedfe7SMark Brown 	struct i2c_client *i2c = wm831x->control_data;
1627d2bedfe7SMark Brown 	int ret;
1628d2bedfe7SMark Brown 	u16 r = cpu_to_be16(reg);
1629d2bedfe7SMark Brown 
1630d2bedfe7SMark Brown 	ret = i2c_master_send(i2c, (unsigned char *)&r, 2);
1631d2bedfe7SMark Brown 	if (ret < 0)
1632d2bedfe7SMark Brown 		return ret;
1633d2bedfe7SMark Brown 	if (ret != 2)
1634d2bedfe7SMark Brown 		return -EIO;
1635d2bedfe7SMark Brown 
1636d2bedfe7SMark Brown 	ret = i2c_master_recv(i2c, dest, bytes);
1637d2bedfe7SMark Brown 	if (ret < 0)
1638d2bedfe7SMark Brown 		return ret;
1639d2bedfe7SMark Brown 	if (ret != bytes)
1640d2bedfe7SMark Brown 		return -EIO;
1641d2bedfe7SMark Brown 	return 0;
1642d2bedfe7SMark Brown }
1643d2bedfe7SMark Brown 
1644d2bedfe7SMark Brown /* Currently we allocate the write buffer on the stack; this is OK for
1645d2bedfe7SMark Brown  * small writes - if we need to do large writes this will need to be
1646d2bedfe7SMark Brown  * revised.
1647d2bedfe7SMark Brown  */
1648d2bedfe7SMark Brown static int wm831x_i2c_write_device(struct wm831x *wm831x, unsigned short reg,
1649d2bedfe7SMark Brown 				   int bytes, void *src)
1650d2bedfe7SMark Brown {
1651d2bedfe7SMark Brown 	struct i2c_client *i2c = wm831x->control_data;
1652d2bedfe7SMark Brown 	unsigned char msg[bytes + 2];
1653d2bedfe7SMark Brown 	int ret;
1654d2bedfe7SMark Brown 
1655d2bedfe7SMark Brown 	reg = cpu_to_be16(reg);
1656d2bedfe7SMark Brown 	memcpy(&msg[0], &reg, 2);
1657d2bedfe7SMark Brown 	memcpy(&msg[2], src, bytes);
1658d2bedfe7SMark Brown 
1659d2bedfe7SMark Brown 	ret = i2c_master_send(i2c, msg, bytes + 2);
1660d2bedfe7SMark Brown 	if (ret < 0)
1661d2bedfe7SMark Brown 		return ret;
1662d2bedfe7SMark Brown 	if (ret < bytes + 2)
1663d2bedfe7SMark Brown 		return -EIO;
1664d2bedfe7SMark Brown 
1665d2bedfe7SMark Brown 	return 0;
1666d2bedfe7SMark Brown }
1667d2bedfe7SMark Brown 
1668d2bedfe7SMark Brown static int wm831x_i2c_probe(struct i2c_client *i2c,
1669d2bedfe7SMark Brown 			    const struct i2c_device_id *id)
1670d2bedfe7SMark Brown {
1671d2bedfe7SMark Brown 	struct wm831x *wm831x;
1672d2bedfe7SMark Brown 
1673d2bedfe7SMark Brown 	wm831x = kzalloc(sizeof(struct wm831x), GFP_KERNEL);
1674d2bedfe7SMark Brown 	if (wm831x == NULL) {
1675d2bedfe7SMark Brown 		kfree(i2c);
1676d2bedfe7SMark Brown 		return -ENOMEM;
1677d2bedfe7SMark Brown 	}
1678d2bedfe7SMark Brown 
1679d2bedfe7SMark Brown 	i2c_set_clientdata(i2c, wm831x);
1680d2bedfe7SMark Brown 	wm831x->dev = &i2c->dev;
1681d2bedfe7SMark Brown 	wm831x->control_data = i2c;
1682d2bedfe7SMark Brown 	wm831x->read_dev = wm831x_i2c_read_device;
1683d2bedfe7SMark Brown 	wm831x->write_dev = wm831x_i2c_write_device;
1684d2bedfe7SMark Brown 
1685d2bedfe7SMark Brown 	return wm831x_device_init(wm831x, id->driver_data, i2c->irq);
1686d2bedfe7SMark Brown }
1687d2bedfe7SMark Brown 
1688d2bedfe7SMark Brown static int wm831x_i2c_remove(struct i2c_client *i2c)
1689d2bedfe7SMark Brown {
1690d2bedfe7SMark Brown 	struct wm831x *wm831x = i2c_get_clientdata(i2c);
1691d2bedfe7SMark Brown 
1692d2bedfe7SMark Brown 	wm831x_device_exit(wm831x);
1693d2bedfe7SMark Brown 
1694d2bedfe7SMark Brown 	return 0;
1695d2bedfe7SMark Brown }
1696d2bedfe7SMark Brown 
1697d2bedfe7SMark Brown static const struct i2c_device_id wm831x_i2c_id[] = {
1698d2bedfe7SMark Brown 	{ "wm8310", WM8310 },
1699d2bedfe7SMark Brown 	{ "wm8311", WM8311 },
1700d2bedfe7SMark Brown 	{ "wm8312", WM8312 },
1701d4e0a89eSMark Brown 	{ "wm8320", WM8320 },
1702d2bedfe7SMark Brown 	{ }
1703d2bedfe7SMark Brown };
1704d2bedfe7SMark Brown MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id);
1705d2bedfe7SMark Brown 
1706d2bedfe7SMark Brown 
1707d2bedfe7SMark Brown static struct i2c_driver wm831x_i2c_driver = {
1708d2bedfe7SMark Brown 	.driver = {
1709d2bedfe7SMark Brown 		   .name = "wm831x",
1710d2bedfe7SMark Brown 		   .owner = THIS_MODULE,
1711d2bedfe7SMark Brown 	},
1712d2bedfe7SMark Brown 	.probe = wm831x_i2c_probe,
1713d2bedfe7SMark Brown 	.remove = wm831x_i2c_remove,
1714d2bedfe7SMark Brown 	.id_table = wm831x_i2c_id,
1715d2bedfe7SMark Brown };
1716d2bedfe7SMark Brown 
1717d2bedfe7SMark Brown static int __init wm831x_i2c_init(void)
1718d2bedfe7SMark Brown {
1719d2bedfe7SMark Brown 	int ret;
1720d2bedfe7SMark Brown 
1721d2bedfe7SMark Brown 	ret = i2c_add_driver(&wm831x_i2c_driver);
1722d2bedfe7SMark Brown 	if (ret != 0)
1723d2bedfe7SMark Brown 		pr_err("Failed to register wm831x I2C driver: %d\n", ret);
1724d2bedfe7SMark Brown 
1725d2bedfe7SMark Brown 	return ret;
1726d2bedfe7SMark Brown }
1727d2bedfe7SMark Brown subsys_initcall(wm831x_i2c_init);
1728d2bedfe7SMark Brown 
1729d2bedfe7SMark Brown static void __exit wm831x_i2c_exit(void)
1730d2bedfe7SMark Brown {
1731d2bedfe7SMark Brown 	i2c_del_driver(&wm831x_i2c_driver);
1732d2bedfe7SMark Brown }
1733d2bedfe7SMark Brown module_exit(wm831x_i2c_exit);
1734d2bedfe7SMark Brown 
1735d2bedfe7SMark Brown MODULE_DESCRIPTION("I2C support for the WM831X AudioPlus PMIC");
1736d2bedfe7SMark Brown MODULE_LICENSE("GPL");
1737d2bedfe7SMark Brown MODULE_AUTHOR("Mark Brown");
1738