12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2cac28ae6SNicolae Rosia /*
3cac28ae6SNicolae Rosia * Split TWL6030 logic from twl-regulator.c:
4cac28ae6SNicolae Rosia * Copyright (C) 2008 David Brownell
5cac28ae6SNicolae Rosia *
6cac28ae6SNicolae Rosia * Copyright (C) 2016 Nicolae Rosia <nicolae.rosia@gmail.com>
7cac28ae6SNicolae Rosia */
8cac28ae6SNicolae Rosia
9cac28ae6SNicolae Rosia #include <linux/module.h>
10cac28ae6SNicolae Rosia #include <linux/string.h>
11cac28ae6SNicolae Rosia #include <linux/slab.h>
12cac28ae6SNicolae Rosia #include <linux/init.h>
13cac28ae6SNicolae Rosia #include <linux/err.h>
14cac28ae6SNicolae Rosia #include <linux/platform_device.h>
15cac28ae6SNicolae Rosia #include <linux/of.h>
16cac28ae6SNicolae Rosia #include <linux/regulator/driver.h>
17cac28ae6SNicolae Rosia #include <linux/regulator/machine.h>
18cac28ae6SNicolae Rosia #include <linux/regulator/of_regulator.h>
19a2054256SWolfram Sang #include <linux/mfd/twl.h>
20cac28ae6SNicolae Rosia #include <linux/delay.h>
21cac28ae6SNicolae Rosia
22cac28ae6SNicolae Rosia struct twlreg_info {
23cac28ae6SNicolae Rosia /* start of regulator's PM_RECEIVER control register bank */
24cac28ae6SNicolae Rosia u8 base;
25cac28ae6SNicolae Rosia
26cac28ae6SNicolae Rosia /* twl resource ID, for resource control state machine */
27cac28ae6SNicolae Rosia u8 id;
28cac28ae6SNicolae Rosia
29cac28ae6SNicolae Rosia u8 flags;
30cac28ae6SNicolae Rosia
31cac28ae6SNicolae Rosia /* used by regulator core */
32cac28ae6SNicolae Rosia struct regulator_desc desc;
33cac28ae6SNicolae Rosia
34cac28ae6SNicolae Rosia /* chip specific features */
35cac28ae6SNicolae Rosia unsigned long features;
36cac28ae6SNicolae Rosia
37cac28ae6SNicolae Rosia /* data passed from board for external get/set voltage */
38cac28ae6SNicolae Rosia void *data;
39cac28ae6SNicolae Rosia };
40cac28ae6SNicolae Rosia
41cac28ae6SNicolae Rosia
42cac28ae6SNicolae Rosia /* LDO control registers ... offset is from the base of its register bank.
43cac28ae6SNicolae Rosia * The first three registers of all power resource banks help hardware to
44cac28ae6SNicolae Rosia * manage the various resource groups.
45cac28ae6SNicolae Rosia */
46cac28ae6SNicolae Rosia /* Common offset in TWL4030/6030 */
47cac28ae6SNicolae Rosia #define VREG_GRP 0
48cac28ae6SNicolae Rosia /* TWL6030 register offsets */
49cac28ae6SNicolae Rosia #define VREG_TRANS 1
50cac28ae6SNicolae Rosia #define VREG_STATE 2
51cac28ae6SNicolae Rosia #define VREG_VOLTAGE 3
52cac28ae6SNicolae Rosia #define VREG_VOLTAGE_SMPS 4
53cac28ae6SNicolae Rosia /* TWL6030 Misc register offsets */
54cac28ae6SNicolae Rosia #define VREG_BC_ALL 1
55cac28ae6SNicolae Rosia #define VREG_BC_REF 2
56cac28ae6SNicolae Rosia #define VREG_BC_PROC 3
57cac28ae6SNicolae Rosia #define VREG_BC_CLK_RST 4
58cac28ae6SNicolae Rosia
59d9df0187SGregory CLEMENT /* TWL6030 LDO register values for VREG_VOLTAGE */
60d9df0187SGregory CLEMENT #define TWL6030_VREG_VOLTAGE_WR_S BIT(7)
61d9df0187SGregory CLEMENT
62cac28ae6SNicolae Rosia /* TWL6030 LDO register values for CFG_STATE */
63cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_OFF 0x00
64cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_ON 0x01
65cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_OFF2 0x02
66cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_SLEEP 0x03
67cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_GRP_SHIFT 5
68cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_APP_SHIFT 2
6931a6297bSAndreas Kemnade #define TWL6030_CFG_STATE_MASK 0x03
70cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
71cac28ae6SNicolae Rosia #define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
72cac28ae6SNicolae Rosia TWL6030_CFG_STATE_APP_SHIFT)
73cac28ae6SNicolae Rosia
74d9df0187SGregory CLEMENT /* Flags for SMPS Voltage reading and LDO reading*/
75cac28ae6SNicolae Rosia #define SMPS_OFFSET_EN BIT(0)
76cac28ae6SNicolae Rosia #define SMPS_EXTENDED_EN BIT(1)
77d9df0187SGregory CLEMENT #define TWL_6030_WARM_RESET BIT(3)
78cac28ae6SNicolae Rosia
79cac28ae6SNicolae Rosia /* twl6032 SMPS EPROM values */
80cac28ae6SNicolae Rosia #define TWL6030_SMPS_OFFSET 0xB0
81cac28ae6SNicolae Rosia #define TWL6030_SMPS_MULT 0xB3
82cac28ae6SNicolae Rosia #define SMPS_MULTOFFSET_SMPS4 BIT(0)
83cac28ae6SNicolae Rosia #define SMPS_MULTOFFSET_VIO BIT(1)
84cac28ae6SNicolae Rosia #define SMPS_MULTOFFSET_SMPS3 BIT(6)
85cac28ae6SNicolae Rosia
86cac28ae6SNicolae Rosia static inline int
twlreg_read(struct twlreg_info * info,unsigned slave_subgp,unsigned offset)87cac28ae6SNicolae Rosia twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
88cac28ae6SNicolae Rosia {
89cac28ae6SNicolae Rosia u8 value;
90cac28ae6SNicolae Rosia int status;
91cac28ae6SNicolae Rosia
92cac28ae6SNicolae Rosia status = twl_i2c_read_u8(slave_subgp,
93cac28ae6SNicolae Rosia &value, info->base + offset);
94cac28ae6SNicolae Rosia return (status < 0) ? status : value;
95cac28ae6SNicolae Rosia }
96cac28ae6SNicolae Rosia
97cac28ae6SNicolae Rosia static inline int
twlreg_write(struct twlreg_info * info,unsigned slave_subgp,unsigned offset,u8 value)98cac28ae6SNicolae Rosia twlreg_write(struct twlreg_info *info, unsigned slave_subgp, unsigned offset,
99cac28ae6SNicolae Rosia u8 value)
100cac28ae6SNicolae Rosia {
101cac28ae6SNicolae Rosia return twl_i2c_write_u8(slave_subgp,
102cac28ae6SNicolae Rosia value, info->base + offset);
103cac28ae6SNicolae Rosia }
104cac28ae6SNicolae Rosia
105cac28ae6SNicolae Rosia /* generic power resource operations, which work on all regulators */
twlreg_grp(struct regulator_dev * rdev)106cac28ae6SNicolae Rosia static int twlreg_grp(struct regulator_dev *rdev)
107cac28ae6SNicolae Rosia {
108cac28ae6SNicolae Rosia return twlreg_read(rdev_get_drvdata(rdev), TWL_MODULE_PM_RECEIVER,
109cac28ae6SNicolae Rosia VREG_GRP);
110cac28ae6SNicolae Rosia }
111cac28ae6SNicolae Rosia
112cac28ae6SNicolae Rosia /*
113cac28ae6SNicolae Rosia * Enable/disable regulators by joining/leaving the P1 (processor) group.
114cac28ae6SNicolae Rosia * We assume nobody else is updating the DEV_GRP registers.
115cac28ae6SNicolae Rosia */
116cac28ae6SNicolae Rosia /* definition for 6030 family */
117cac28ae6SNicolae Rosia #define P3_GRP_6030 BIT(2) /* secondary processor, modem, etc */
118cac28ae6SNicolae Rosia #define P2_GRP_6030 BIT(1) /* "peripherals" */
119cac28ae6SNicolae Rosia #define P1_GRP_6030 BIT(0) /* CPU/Linux */
120cac28ae6SNicolae Rosia
twl6030reg_is_enabled(struct regulator_dev * rdev)121cac28ae6SNicolae Rosia static int twl6030reg_is_enabled(struct regulator_dev *rdev)
122cac28ae6SNicolae Rosia {
123cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
124cac28ae6SNicolae Rosia int grp = 0, val;
125cac28ae6SNicolae Rosia
126cac28ae6SNicolae Rosia if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
127cac28ae6SNicolae Rosia grp = twlreg_grp(rdev);
128cac28ae6SNicolae Rosia if (grp < 0)
129cac28ae6SNicolae Rosia return grp;
130cac28ae6SNicolae Rosia grp &= P1_GRP_6030;
131cac28ae6SNicolae Rosia val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
132cac28ae6SNicolae Rosia val = TWL6030_CFG_STATE_APP(val);
13331a6297bSAndreas Kemnade } else {
13431a6297bSAndreas Kemnade val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
13531a6297bSAndreas Kemnade val &= TWL6030_CFG_STATE_MASK;
13631a6297bSAndreas Kemnade grp = 1;
13731a6297bSAndreas Kemnade }
138cac28ae6SNicolae Rosia
139cac28ae6SNicolae Rosia return grp && (val == TWL6030_CFG_STATE_ON);
140cac28ae6SNicolae Rosia }
141cac28ae6SNicolae Rosia
142cac28ae6SNicolae Rosia #define PB_I2C_BUSY BIT(0)
143cac28ae6SNicolae Rosia #define PB_I2C_BWEN BIT(1)
144cac28ae6SNicolae Rosia
145cac28ae6SNicolae Rosia
twl6030reg_enable(struct regulator_dev * rdev)146cac28ae6SNicolae Rosia static int twl6030reg_enable(struct regulator_dev *rdev)
147cac28ae6SNicolae Rosia {
148cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
149cac28ae6SNicolae Rosia int grp = 0;
150cac28ae6SNicolae Rosia int ret;
151cac28ae6SNicolae Rosia
152cac28ae6SNicolae Rosia if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
153cac28ae6SNicolae Rosia grp = twlreg_grp(rdev);
154cac28ae6SNicolae Rosia if (grp < 0)
155cac28ae6SNicolae Rosia return grp;
156cac28ae6SNicolae Rosia
157cac28ae6SNicolae Rosia ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
158cac28ae6SNicolae Rosia grp << TWL6030_CFG_STATE_GRP_SHIFT |
159cac28ae6SNicolae Rosia TWL6030_CFG_STATE_ON);
160cac28ae6SNicolae Rosia return ret;
161cac28ae6SNicolae Rosia }
162cac28ae6SNicolae Rosia
twl6030reg_disable(struct regulator_dev * rdev)163cac28ae6SNicolae Rosia static int twl6030reg_disable(struct regulator_dev *rdev)
164cac28ae6SNicolae Rosia {
165cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
166cac28ae6SNicolae Rosia int grp = 0;
167cac28ae6SNicolae Rosia int ret;
168cac28ae6SNicolae Rosia
169cac28ae6SNicolae Rosia if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
170cac28ae6SNicolae Rosia grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
171cac28ae6SNicolae Rosia
172cac28ae6SNicolae Rosia /* For 6030, set the off state for all grps enabled */
173cac28ae6SNicolae Rosia ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
174cac28ae6SNicolae Rosia (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
175cac28ae6SNicolae Rosia TWL6030_CFG_STATE_OFF);
176cac28ae6SNicolae Rosia
177cac28ae6SNicolae Rosia return ret;
178cac28ae6SNicolae Rosia }
179cac28ae6SNicolae Rosia
twl6030reg_get_status(struct regulator_dev * rdev)180cac28ae6SNicolae Rosia static int twl6030reg_get_status(struct regulator_dev *rdev)
181cac28ae6SNicolae Rosia {
182cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
183cac28ae6SNicolae Rosia int val;
184cac28ae6SNicolae Rosia
185cac28ae6SNicolae Rosia val = twlreg_grp(rdev);
186cac28ae6SNicolae Rosia if (val < 0)
187cac28ae6SNicolae Rosia return val;
188cac28ae6SNicolae Rosia
189cac28ae6SNicolae Rosia val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
190cac28ae6SNicolae Rosia
19131a6297bSAndreas Kemnade if (info->features & TWL6032_SUBCLASS)
19231a6297bSAndreas Kemnade val &= TWL6030_CFG_STATE_MASK;
19331a6297bSAndreas Kemnade else
19431a6297bSAndreas Kemnade val = TWL6030_CFG_STATE_APP(val);
19531a6297bSAndreas Kemnade
19631a6297bSAndreas Kemnade switch (val) {
197cac28ae6SNicolae Rosia case TWL6030_CFG_STATE_ON:
198cac28ae6SNicolae Rosia return REGULATOR_STATUS_NORMAL;
199cac28ae6SNicolae Rosia
200cac28ae6SNicolae Rosia case TWL6030_CFG_STATE_SLEEP:
201cac28ae6SNicolae Rosia return REGULATOR_STATUS_STANDBY;
202cac28ae6SNicolae Rosia
203cac28ae6SNicolae Rosia case TWL6030_CFG_STATE_OFF:
204cac28ae6SNicolae Rosia case TWL6030_CFG_STATE_OFF2:
205cac28ae6SNicolae Rosia default:
206cac28ae6SNicolae Rosia break;
207cac28ae6SNicolae Rosia }
208cac28ae6SNicolae Rosia
209cac28ae6SNicolae Rosia return REGULATOR_STATUS_OFF;
210cac28ae6SNicolae Rosia }
211cac28ae6SNicolae Rosia
twl6030reg_set_mode(struct regulator_dev * rdev,unsigned mode)212cac28ae6SNicolae Rosia static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
213cac28ae6SNicolae Rosia {
214cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
215cac28ae6SNicolae Rosia int grp = 0;
216cac28ae6SNicolae Rosia int val;
217cac28ae6SNicolae Rosia
218cac28ae6SNicolae Rosia if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
219cac28ae6SNicolae Rosia grp = twlreg_grp(rdev);
220cac28ae6SNicolae Rosia
221cac28ae6SNicolae Rosia if (grp < 0)
222cac28ae6SNicolae Rosia return grp;
223cac28ae6SNicolae Rosia
224cac28ae6SNicolae Rosia /* Compose the state register settings */
225cac28ae6SNicolae Rosia val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
226cac28ae6SNicolae Rosia /* We can only set the mode through state machine commands... */
227cac28ae6SNicolae Rosia switch (mode) {
228cac28ae6SNicolae Rosia case REGULATOR_MODE_NORMAL:
229cac28ae6SNicolae Rosia val |= TWL6030_CFG_STATE_ON;
230cac28ae6SNicolae Rosia break;
231cac28ae6SNicolae Rosia case REGULATOR_MODE_STANDBY:
232cac28ae6SNicolae Rosia val |= TWL6030_CFG_STATE_SLEEP;
233cac28ae6SNicolae Rosia break;
234cac28ae6SNicolae Rosia
235cac28ae6SNicolae Rosia default:
236cac28ae6SNicolae Rosia return -EINVAL;
237cac28ae6SNicolae Rosia }
238cac28ae6SNicolae Rosia
239cac28ae6SNicolae Rosia return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
240cac28ae6SNicolae Rosia }
241cac28ae6SNicolae Rosia
twl6030coresmps_set_voltage(struct regulator_dev * rdev,int min_uV,int max_uV,unsigned * selector)242cac28ae6SNicolae Rosia static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
243cac28ae6SNicolae Rosia int max_uV, unsigned *selector)
244cac28ae6SNicolae Rosia {
245cac28ae6SNicolae Rosia return -ENODEV;
246cac28ae6SNicolae Rosia }
247cac28ae6SNicolae Rosia
twl6030coresmps_get_voltage(struct regulator_dev * rdev)248cac28ae6SNicolae Rosia static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
249cac28ae6SNicolae Rosia {
250cac28ae6SNicolae Rosia return -ENODEV;
251cac28ae6SNicolae Rosia }
252cac28ae6SNicolae Rosia
253606640bbSAxel Lin static const struct regulator_ops twl6030coresmps_ops = {
254cac28ae6SNicolae Rosia .set_voltage = twl6030coresmps_set_voltage,
255cac28ae6SNicolae Rosia .get_voltage = twl6030coresmps_get_voltage,
256cac28ae6SNicolae Rosia };
257cac28ae6SNicolae Rosia
258cac28ae6SNicolae Rosia static int
twl6030ldo_set_voltage_sel(struct regulator_dev * rdev,unsigned selector)259cac28ae6SNicolae Rosia twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
260cac28ae6SNicolae Rosia {
261cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
262cac28ae6SNicolae Rosia
263d9df0187SGregory CLEMENT if (info->flags & TWL_6030_WARM_RESET)
264d9df0187SGregory CLEMENT selector |= TWL6030_VREG_VOLTAGE_WR_S;
265d9df0187SGregory CLEMENT
266cac28ae6SNicolae Rosia return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
267cac28ae6SNicolae Rosia selector);
268cac28ae6SNicolae Rosia }
269cac28ae6SNicolae Rosia
twl6030ldo_get_voltage_sel(struct regulator_dev * rdev)270cac28ae6SNicolae Rosia static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
271cac28ae6SNicolae Rosia {
272cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
273cac28ae6SNicolae Rosia int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
274cac28ae6SNicolae Rosia
275d9df0187SGregory CLEMENT if (info->flags & TWL_6030_WARM_RESET)
276d9df0187SGregory CLEMENT vsel &= ~TWL6030_VREG_VOLTAGE_WR_S;
277d9df0187SGregory CLEMENT
278cac28ae6SNicolae Rosia return vsel;
279cac28ae6SNicolae Rosia }
280cac28ae6SNicolae Rosia
281606640bbSAxel Lin static const struct regulator_ops twl6030ldo_ops = {
2824a43870aSAxel Lin .list_voltage = regulator_list_voltage_linear_range,
283cac28ae6SNicolae Rosia
284cac28ae6SNicolae Rosia .set_voltage_sel = twl6030ldo_set_voltage_sel,
285cac28ae6SNicolae Rosia .get_voltage_sel = twl6030ldo_get_voltage_sel,
286cac28ae6SNicolae Rosia
287cac28ae6SNicolae Rosia .enable = twl6030reg_enable,
288cac28ae6SNicolae Rosia .disable = twl6030reg_disable,
289cac28ae6SNicolae Rosia .is_enabled = twl6030reg_is_enabled,
290cac28ae6SNicolae Rosia
291cac28ae6SNicolae Rosia .set_mode = twl6030reg_set_mode,
292cac28ae6SNicolae Rosia
293cac28ae6SNicolae Rosia .get_status = twl6030reg_get_status,
294cac28ae6SNicolae Rosia };
295cac28ae6SNicolae Rosia
296606640bbSAxel Lin static const struct regulator_ops twl6030fixed_ops = {
297cac28ae6SNicolae Rosia .list_voltage = regulator_list_voltage_linear,
298cac28ae6SNicolae Rosia
299cac28ae6SNicolae Rosia .enable = twl6030reg_enable,
300cac28ae6SNicolae Rosia .disable = twl6030reg_disable,
301cac28ae6SNicolae Rosia .is_enabled = twl6030reg_is_enabled,
302cac28ae6SNicolae Rosia
303cac28ae6SNicolae Rosia .set_mode = twl6030reg_set_mode,
304cac28ae6SNicolae Rosia
305cac28ae6SNicolae Rosia .get_status = twl6030reg_get_status,
306cac28ae6SNicolae Rosia };
307cac28ae6SNicolae Rosia
308cac28ae6SNicolae Rosia /*
309cac28ae6SNicolae Rosia * SMPS status and control
310cac28ae6SNicolae Rosia */
311cac28ae6SNicolae Rosia
twl6030smps_list_voltage(struct regulator_dev * rdev,unsigned index)312cac28ae6SNicolae Rosia static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
313cac28ae6SNicolae Rosia {
314cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
315cac28ae6SNicolae Rosia
316cac28ae6SNicolae Rosia int voltage = 0;
317cac28ae6SNicolae Rosia
318cac28ae6SNicolae Rosia switch (info->flags) {
319cac28ae6SNicolae Rosia case SMPS_OFFSET_EN:
320cac28ae6SNicolae Rosia voltage = 100000;
321df561f66SGustavo A. R. Silva fallthrough;
322cac28ae6SNicolae Rosia case 0:
323cac28ae6SNicolae Rosia switch (index) {
324cac28ae6SNicolae Rosia case 0:
325cac28ae6SNicolae Rosia voltage = 0;
326cac28ae6SNicolae Rosia break;
327cac28ae6SNicolae Rosia case 58:
328cac28ae6SNicolae Rosia voltage = 1350 * 1000;
329cac28ae6SNicolae Rosia break;
330cac28ae6SNicolae Rosia case 59:
331cac28ae6SNicolae Rosia voltage = 1500 * 1000;
332cac28ae6SNicolae Rosia break;
333cac28ae6SNicolae Rosia case 60:
334cac28ae6SNicolae Rosia voltage = 1800 * 1000;
335cac28ae6SNicolae Rosia break;
336cac28ae6SNicolae Rosia case 61:
337cac28ae6SNicolae Rosia voltage = 1900 * 1000;
338cac28ae6SNicolae Rosia break;
339cac28ae6SNicolae Rosia case 62:
340cac28ae6SNicolae Rosia voltage = 2100 * 1000;
341cac28ae6SNicolae Rosia break;
342cac28ae6SNicolae Rosia default:
343cac28ae6SNicolae Rosia voltage += (600000 + (12500 * (index - 1)));
344cac28ae6SNicolae Rosia }
345cac28ae6SNicolae Rosia break;
346cac28ae6SNicolae Rosia case SMPS_EXTENDED_EN:
347cac28ae6SNicolae Rosia switch (index) {
348cac28ae6SNicolae Rosia case 0:
349cac28ae6SNicolae Rosia voltage = 0;
350cac28ae6SNicolae Rosia break;
351cac28ae6SNicolae Rosia case 58:
352cac28ae6SNicolae Rosia voltage = 2084 * 1000;
353cac28ae6SNicolae Rosia break;
354cac28ae6SNicolae Rosia case 59:
355cac28ae6SNicolae Rosia voltage = 2315 * 1000;
356cac28ae6SNicolae Rosia break;
357cac28ae6SNicolae Rosia case 60:
358cac28ae6SNicolae Rosia voltage = 2778 * 1000;
359cac28ae6SNicolae Rosia break;
360cac28ae6SNicolae Rosia case 61:
361cac28ae6SNicolae Rosia voltage = 2932 * 1000;
362cac28ae6SNicolae Rosia break;
363cac28ae6SNicolae Rosia case 62:
364cac28ae6SNicolae Rosia voltage = 3241 * 1000;
365cac28ae6SNicolae Rosia break;
366cac28ae6SNicolae Rosia default:
367cac28ae6SNicolae Rosia voltage = (1852000 + (38600 * (index - 1)));
368cac28ae6SNicolae Rosia }
369cac28ae6SNicolae Rosia break;
370cac28ae6SNicolae Rosia case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
371cac28ae6SNicolae Rosia switch (index) {
372cac28ae6SNicolae Rosia case 0:
373cac28ae6SNicolae Rosia voltage = 0;
374cac28ae6SNicolae Rosia break;
375cac28ae6SNicolae Rosia case 58:
376cac28ae6SNicolae Rosia voltage = 4167 * 1000;
377cac28ae6SNicolae Rosia break;
378cac28ae6SNicolae Rosia case 59:
379cac28ae6SNicolae Rosia voltage = 2315 * 1000;
380cac28ae6SNicolae Rosia break;
381cac28ae6SNicolae Rosia case 60:
382cac28ae6SNicolae Rosia voltage = 2778 * 1000;
383cac28ae6SNicolae Rosia break;
384cac28ae6SNicolae Rosia case 61:
385cac28ae6SNicolae Rosia voltage = 2932 * 1000;
386cac28ae6SNicolae Rosia break;
387cac28ae6SNicolae Rosia case 62:
388cac28ae6SNicolae Rosia voltage = 3241 * 1000;
389cac28ae6SNicolae Rosia break;
390cac28ae6SNicolae Rosia default:
391cac28ae6SNicolae Rosia voltage = (2161000 + (38600 * (index - 1)));
392cac28ae6SNicolae Rosia }
393cac28ae6SNicolae Rosia break;
394cac28ae6SNicolae Rosia }
395cac28ae6SNicolae Rosia
396cac28ae6SNicolae Rosia return voltage;
397cac28ae6SNicolae Rosia }
398cac28ae6SNicolae Rosia
twl6030smps_map_voltage(struct regulator_dev * rdev,int min_uV,int max_uV)399cac28ae6SNicolae Rosia static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
400cac28ae6SNicolae Rosia int max_uV)
401cac28ae6SNicolae Rosia {
402cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
403cac28ae6SNicolae Rosia int vsel = 0;
404cac28ae6SNicolae Rosia
405cac28ae6SNicolae Rosia switch (info->flags) {
406cac28ae6SNicolae Rosia case 0:
407cac28ae6SNicolae Rosia if (min_uV == 0)
408cac28ae6SNicolae Rosia vsel = 0;
409cac28ae6SNicolae Rosia else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
410cac28ae6SNicolae Rosia vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
411cac28ae6SNicolae Rosia vsel++;
412cac28ae6SNicolae Rosia }
413cac28ae6SNicolae Rosia /* Values 1..57 for vsel are linear and can be calculated
414cac28ae6SNicolae Rosia * values 58..62 are non linear.
415cac28ae6SNicolae Rosia */
416cac28ae6SNicolae Rosia else if ((min_uV > 1900000) && (min_uV <= 2100000))
417cac28ae6SNicolae Rosia vsel = 62;
418cac28ae6SNicolae Rosia else if ((min_uV > 1800000) && (min_uV <= 1900000))
419cac28ae6SNicolae Rosia vsel = 61;
420cac28ae6SNicolae Rosia else if ((min_uV > 1500000) && (min_uV <= 1800000))
421cac28ae6SNicolae Rosia vsel = 60;
422cac28ae6SNicolae Rosia else if ((min_uV > 1350000) && (min_uV <= 1500000))
423cac28ae6SNicolae Rosia vsel = 59;
424cac28ae6SNicolae Rosia else if ((min_uV > 1300000) && (min_uV <= 1350000))
425cac28ae6SNicolae Rosia vsel = 58;
426cac28ae6SNicolae Rosia else
427cac28ae6SNicolae Rosia return -EINVAL;
428cac28ae6SNicolae Rosia break;
429cac28ae6SNicolae Rosia case SMPS_OFFSET_EN:
430cac28ae6SNicolae Rosia if (min_uV == 0)
431cac28ae6SNicolae Rosia vsel = 0;
432cac28ae6SNicolae Rosia else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
433cac28ae6SNicolae Rosia vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
434cac28ae6SNicolae Rosia vsel++;
435cac28ae6SNicolae Rosia }
436cac28ae6SNicolae Rosia /* Values 1..57 for vsel are linear and can be calculated
437cac28ae6SNicolae Rosia * values 58..62 are non linear.
438cac28ae6SNicolae Rosia */
439cac28ae6SNicolae Rosia else if ((min_uV > 1900000) && (min_uV <= 2100000))
440cac28ae6SNicolae Rosia vsel = 62;
441cac28ae6SNicolae Rosia else if ((min_uV > 1800000) && (min_uV <= 1900000))
442cac28ae6SNicolae Rosia vsel = 61;
443b98acbffSColin Ian King else if ((min_uV > 1500000) && (min_uV <= 1800000))
444cac28ae6SNicolae Rosia vsel = 60;
445cac28ae6SNicolae Rosia else if ((min_uV > 1350000) && (min_uV <= 1500000))
446cac28ae6SNicolae Rosia vsel = 59;
447cac28ae6SNicolae Rosia else
448cac28ae6SNicolae Rosia return -EINVAL;
449cac28ae6SNicolae Rosia break;
450cac28ae6SNicolae Rosia case SMPS_EXTENDED_EN:
451cac28ae6SNicolae Rosia if (min_uV == 0) {
452cac28ae6SNicolae Rosia vsel = 0;
453cac28ae6SNicolae Rosia } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
454cac28ae6SNicolae Rosia vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
455cac28ae6SNicolae Rosia vsel++;
456cac28ae6SNicolae Rosia }
457cac28ae6SNicolae Rosia break;
458cac28ae6SNicolae Rosia case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
459cac28ae6SNicolae Rosia if (min_uV == 0) {
460cac28ae6SNicolae Rosia vsel = 0;
461cac28ae6SNicolae Rosia } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
462cac28ae6SNicolae Rosia vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
463cac28ae6SNicolae Rosia vsel++;
464cac28ae6SNicolae Rosia }
465cac28ae6SNicolae Rosia break;
466cac28ae6SNicolae Rosia }
467cac28ae6SNicolae Rosia
468cac28ae6SNicolae Rosia return vsel;
469cac28ae6SNicolae Rosia }
470cac28ae6SNicolae Rosia
twl6030smps_set_voltage_sel(struct regulator_dev * rdev,unsigned int selector)471cac28ae6SNicolae Rosia static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
472cac28ae6SNicolae Rosia unsigned int selector)
473cac28ae6SNicolae Rosia {
474cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
475cac28ae6SNicolae Rosia
476cac28ae6SNicolae Rosia return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
477cac28ae6SNicolae Rosia selector);
478cac28ae6SNicolae Rosia }
479cac28ae6SNicolae Rosia
twl6030smps_get_voltage_sel(struct regulator_dev * rdev)480cac28ae6SNicolae Rosia static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
481cac28ae6SNicolae Rosia {
482cac28ae6SNicolae Rosia struct twlreg_info *info = rdev_get_drvdata(rdev);
483cac28ae6SNicolae Rosia
484cac28ae6SNicolae Rosia return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
485cac28ae6SNicolae Rosia }
486cac28ae6SNicolae Rosia
487606640bbSAxel Lin static const struct regulator_ops twlsmps_ops = {
488cac28ae6SNicolae Rosia .list_voltage = twl6030smps_list_voltage,
489cac28ae6SNicolae Rosia .map_voltage = twl6030smps_map_voltage,
490cac28ae6SNicolae Rosia
491cac28ae6SNicolae Rosia .set_voltage_sel = twl6030smps_set_voltage_sel,
492cac28ae6SNicolae Rosia .get_voltage_sel = twl6030smps_get_voltage_sel,
493cac28ae6SNicolae Rosia
494cac28ae6SNicolae Rosia .enable = twl6030reg_enable,
495cac28ae6SNicolae Rosia .disable = twl6030reg_disable,
496cac28ae6SNicolae Rosia .is_enabled = twl6030reg_is_enabled,
497cac28ae6SNicolae Rosia
498cac28ae6SNicolae Rosia .set_mode = twl6030reg_set_mode,
499cac28ae6SNicolae Rosia
500cac28ae6SNicolae Rosia .get_status = twl6030reg_get_status,
501cac28ae6SNicolae Rosia };
502cac28ae6SNicolae Rosia
503cac28ae6SNicolae Rosia /*----------------------------------------------------------------------*/
50460ab7f41SMatti Vaittinen static const struct linear_range twl6030ldo_linear_range[] = {
5054a43870aSAxel Lin REGULATOR_LINEAR_RANGE(0, 0, 0, 0),
5064a43870aSAxel Lin REGULATOR_LINEAR_RANGE(1000000, 1, 24, 100000),
5074a43870aSAxel Lin REGULATOR_LINEAR_RANGE(2750000, 31, 31, 0),
5084a43870aSAxel Lin };
509cac28ae6SNicolae Rosia
510cac28ae6SNicolae Rosia #define TWL6030_ADJUSTABLE_SMPS(label) \
511cac28ae6SNicolae Rosia static const struct twlreg_info TWL6030_INFO_##label = { \
512cac28ae6SNicolae Rosia .desc = { \
513cac28ae6SNicolae Rosia .name = #label, \
514cac28ae6SNicolae Rosia .id = TWL6030_REG_##label, \
515cac28ae6SNicolae Rosia .ops = &twl6030coresmps_ops, \
516cac28ae6SNicolae Rosia .type = REGULATOR_VOLTAGE, \
517cac28ae6SNicolae Rosia .owner = THIS_MODULE, \
518cac28ae6SNicolae Rosia }, \
519cac28ae6SNicolae Rosia }
520cac28ae6SNicolae Rosia
5214a43870aSAxel Lin #define TWL6030_ADJUSTABLE_LDO(label, offset) \
522cac28ae6SNicolae Rosia static const struct twlreg_info TWL6030_INFO_##label = { \
523cac28ae6SNicolae Rosia .base = offset, \
524cac28ae6SNicolae Rosia .desc = { \
525cac28ae6SNicolae Rosia .name = #label, \
526cac28ae6SNicolae Rosia .id = TWL6030_REG_##label, \
527cac28ae6SNicolae Rosia .n_voltages = 32, \
5284a43870aSAxel Lin .linear_ranges = twl6030ldo_linear_range, \
5294a43870aSAxel Lin .n_linear_ranges = ARRAY_SIZE(twl6030ldo_linear_range), \
530cac28ae6SNicolae Rosia .ops = &twl6030ldo_ops, \
531cac28ae6SNicolae Rosia .type = REGULATOR_VOLTAGE, \
532cac28ae6SNicolae Rosia .owner = THIS_MODULE, \
533cac28ae6SNicolae Rosia }, \
534cac28ae6SNicolae Rosia }
535cac28ae6SNicolae Rosia
5364a43870aSAxel Lin #define TWL6032_ADJUSTABLE_LDO(label, offset) \
537cac28ae6SNicolae Rosia static const struct twlreg_info TWL6032_INFO_##label = { \
538cac28ae6SNicolae Rosia .base = offset, \
5393d6c982bSAndreas Kemnade .features = TWL6032_SUBCLASS, \
540cac28ae6SNicolae Rosia .desc = { \
541cac28ae6SNicolae Rosia .name = #label, \
542cac28ae6SNicolae Rosia .id = TWL6032_REG_##label, \
543cac28ae6SNicolae Rosia .n_voltages = 32, \
5444a43870aSAxel Lin .linear_ranges = twl6030ldo_linear_range, \
5454a43870aSAxel Lin .n_linear_ranges = ARRAY_SIZE(twl6030ldo_linear_range), \
546cac28ae6SNicolae Rosia .ops = &twl6030ldo_ops, \
547cac28ae6SNicolae Rosia .type = REGULATOR_VOLTAGE, \
548cac28ae6SNicolae Rosia .owner = THIS_MODULE, \
549cac28ae6SNicolae Rosia }, \
550cac28ae6SNicolae Rosia }
551cac28ae6SNicolae Rosia
552cac28ae6SNicolae Rosia #define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
553cac28ae6SNicolae Rosia static const struct twlreg_info TWLFIXED_INFO_##label = { \
554cac28ae6SNicolae Rosia .base = offset, \
555cac28ae6SNicolae Rosia .id = 0, \
556cac28ae6SNicolae Rosia .desc = { \
557cac28ae6SNicolae Rosia .name = #label, \
558cac28ae6SNicolae Rosia .id = TWL6030##_REG_##label, \
559cac28ae6SNicolae Rosia .n_voltages = 1, \
560cac28ae6SNicolae Rosia .ops = &twl6030fixed_ops, \
561cac28ae6SNicolae Rosia .type = REGULATOR_VOLTAGE, \
562cac28ae6SNicolae Rosia .owner = THIS_MODULE, \
563cac28ae6SNicolae Rosia .min_uV = mVolts * 1000, \
564cac28ae6SNicolae Rosia .enable_time = turnon_delay, \
565cac28ae6SNicolae Rosia .of_map_mode = NULL, \
566cac28ae6SNicolae Rosia }, \
567cac28ae6SNicolae Rosia }
568cac28ae6SNicolae Rosia
569cac28ae6SNicolae Rosia #define TWL6032_ADJUSTABLE_SMPS(label, offset) \
570cac28ae6SNicolae Rosia static const struct twlreg_info TWLSMPS_INFO_##label = { \
571cac28ae6SNicolae Rosia .base = offset, \
5723d6c982bSAndreas Kemnade .features = TWL6032_SUBCLASS, \
573cac28ae6SNicolae Rosia .desc = { \
574cac28ae6SNicolae Rosia .name = #label, \
575cac28ae6SNicolae Rosia .id = TWL6032_REG_##label, \
576cac28ae6SNicolae Rosia .n_voltages = 63, \
577cac28ae6SNicolae Rosia .ops = &twlsmps_ops, \
578cac28ae6SNicolae Rosia .type = REGULATOR_VOLTAGE, \
579cac28ae6SNicolae Rosia .owner = THIS_MODULE, \
580cac28ae6SNicolae Rosia }, \
581cac28ae6SNicolae Rosia }
582cac28ae6SNicolae Rosia
583cac28ae6SNicolae Rosia /* VUSBCP is managed *only* by the USB subchip */
584cac28ae6SNicolae Rosia /* 6030 REG with base as PMC Slave Misc : 0x0030 */
585cac28ae6SNicolae Rosia /* Turnon-delay and remap configuration values for 6030 are not
586cac28ae6SNicolae Rosia verified since the specification is not public */
587cac28ae6SNicolae Rosia TWL6030_ADJUSTABLE_SMPS(VDD1);
588cac28ae6SNicolae Rosia TWL6030_ADJUSTABLE_SMPS(VDD2);
589cac28ae6SNicolae Rosia TWL6030_ADJUSTABLE_SMPS(VDD3);
5904a43870aSAxel Lin TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54);
5914a43870aSAxel Lin TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58);
5924a43870aSAxel Lin TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c);
5934a43870aSAxel Lin TWL6030_ADJUSTABLE_LDO(VMMC, 0x68);
5944a43870aSAxel Lin TWL6030_ADJUSTABLE_LDO(VPP, 0x6c);
5954a43870aSAxel Lin TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74);
596cac28ae6SNicolae Rosia /* 6025 are renamed compared to 6030 versions */
5974a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO2, 0x54);
5984a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO4, 0x58);
5994a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c);
6004a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO5, 0x68);
6014a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c);
6024a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO7, 0x74);
6034a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDO6, 0x60);
6044a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64);
6054a43870aSAxel Lin TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70);
606cac28ae6SNicolae Rosia TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
607cac28ae6SNicolae Rosia TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
608cac28ae6SNicolae Rosia TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
609cac28ae6SNicolae Rosia TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
610cac28ae6SNicolae Rosia TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
611cac28ae6SNicolae Rosia TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
612cac28ae6SNicolae Rosia TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
613cac28ae6SNicolae Rosia TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
614cac28ae6SNicolae Rosia TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
615cac28ae6SNicolae Rosia
twl_get_smps_offset(void)616cac28ae6SNicolae Rosia static u8 twl_get_smps_offset(void)
617cac28ae6SNicolae Rosia {
618cac28ae6SNicolae Rosia u8 value;
619cac28ae6SNicolae Rosia
620cac28ae6SNicolae Rosia twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
621cac28ae6SNicolae Rosia TWL6030_SMPS_OFFSET);
622cac28ae6SNicolae Rosia return value;
623cac28ae6SNicolae Rosia }
624cac28ae6SNicolae Rosia
twl_get_smps_mult(void)625cac28ae6SNicolae Rosia static u8 twl_get_smps_mult(void)
626cac28ae6SNicolae Rosia {
627cac28ae6SNicolae Rosia u8 value;
628cac28ae6SNicolae Rosia
629cac28ae6SNicolae Rosia twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
630cac28ae6SNicolae Rosia TWL6030_SMPS_MULT);
631cac28ae6SNicolae Rosia return value;
632cac28ae6SNicolae Rosia }
633cac28ae6SNicolae Rosia
634cac28ae6SNicolae Rosia #define TWL_OF_MATCH(comp, family, label) \
635cac28ae6SNicolae Rosia { \
636cac28ae6SNicolae Rosia .compatible = comp, \
637cac28ae6SNicolae Rosia .data = &family##_INFO_##label, \
638cac28ae6SNicolae Rosia }
639cac28ae6SNicolae Rosia
640cac28ae6SNicolae Rosia #define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
641cac28ae6SNicolae Rosia #define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label)
642cac28ae6SNicolae Rosia #define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
643cac28ae6SNicolae Rosia #define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
644cac28ae6SNicolae Rosia
645cac28ae6SNicolae Rosia static const struct of_device_id twl_of_match[] = {
646cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
647cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
648cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
649cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
650cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
651cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
652cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
653cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
654cac28ae6SNicolae Rosia TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
655cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
656cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
657cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
658cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
659cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
660cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
661cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
662cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
663cac28ae6SNicolae Rosia TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
664cac28ae6SNicolae Rosia TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
665cac28ae6SNicolae Rosia TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
666cac28ae6SNicolae Rosia TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
667cac28ae6SNicolae Rosia TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
668cac28ae6SNicolae Rosia TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
669cac28ae6SNicolae Rosia TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
670cac28ae6SNicolae Rosia TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
671cac28ae6SNicolae Rosia TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
672cac28ae6SNicolae Rosia TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
673cac28ae6SNicolae Rosia {},
674cac28ae6SNicolae Rosia };
675cac28ae6SNicolae Rosia MODULE_DEVICE_TABLE(of, twl_of_match);
676cac28ae6SNicolae Rosia
twlreg_probe(struct platform_device * pdev)677cac28ae6SNicolae Rosia static int twlreg_probe(struct platform_device *pdev)
678cac28ae6SNicolae Rosia {
679cac28ae6SNicolae Rosia int id;
680cac28ae6SNicolae Rosia struct twlreg_info *info;
681cac28ae6SNicolae Rosia const struct twlreg_info *template;
682cac28ae6SNicolae Rosia struct regulator_init_data *initdata;
683cac28ae6SNicolae Rosia struct regulation_constraints *c;
684cac28ae6SNicolae Rosia struct regulator_dev *rdev;
685cac28ae6SNicolae Rosia struct regulator_config config = { };
686621d3ce8SGregory CLEMENT struct device_node *np = pdev->dev.of_node;
687cac28ae6SNicolae Rosia
6887085180dSAxel Lin template = of_device_get_match_data(&pdev->dev);
689cac28ae6SNicolae Rosia if (!template)
690cac28ae6SNicolae Rosia return -ENODEV;
691cac28ae6SNicolae Rosia
692cac28ae6SNicolae Rosia id = template->desc.id;
693621d3ce8SGregory CLEMENT initdata = of_get_regulator_init_data(&pdev->dev, np, &template->desc);
694cac28ae6SNicolae Rosia if (!initdata)
695cac28ae6SNicolae Rosia return -EINVAL;
696cac28ae6SNicolae Rosia
697cac28ae6SNicolae Rosia info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL);
698cac28ae6SNicolae Rosia if (!info)
699cac28ae6SNicolae Rosia return -ENOMEM;
700cac28ae6SNicolae Rosia
701cac28ae6SNicolae Rosia /* Constrain board-specific capabilities according to what
702cac28ae6SNicolae Rosia * this driver and the chip itself can actually do.
703cac28ae6SNicolae Rosia */
704cac28ae6SNicolae Rosia c = &initdata->constraints;
705cac28ae6SNicolae Rosia c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY;
706cac28ae6SNicolae Rosia c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
707cac28ae6SNicolae Rosia | REGULATOR_CHANGE_MODE
708cac28ae6SNicolae Rosia | REGULATOR_CHANGE_STATUS;
709cac28ae6SNicolae Rosia
710cac28ae6SNicolae Rosia switch (id) {
711cac28ae6SNicolae Rosia case TWL6032_REG_SMPS3:
712cac28ae6SNicolae Rosia if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
713cac28ae6SNicolae Rosia info->flags |= SMPS_EXTENDED_EN;
714cac28ae6SNicolae Rosia if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
715cac28ae6SNicolae Rosia info->flags |= SMPS_OFFSET_EN;
716cac28ae6SNicolae Rosia break;
717cac28ae6SNicolae Rosia case TWL6032_REG_SMPS4:
718cac28ae6SNicolae Rosia if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
719cac28ae6SNicolae Rosia info->flags |= SMPS_EXTENDED_EN;
720cac28ae6SNicolae Rosia if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
721cac28ae6SNicolae Rosia info->flags |= SMPS_OFFSET_EN;
722cac28ae6SNicolae Rosia break;
723cac28ae6SNicolae Rosia case TWL6032_REG_VIO:
724cac28ae6SNicolae Rosia if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
725cac28ae6SNicolae Rosia info->flags |= SMPS_EXTENDED_EN;
726cac28ae6SNicolae Rosia if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
727cac28ae6SNicolae Rosia info->flags |= SMPS_OFFSET_EN;
728cac28ae6SNicolae Rosia break;
729cac28ae6SNicolae Rosia }
730cac28ae6SNicolae Rosia
7315bd73a16SRob Herring if (of_property_read_bool(np, "ti,retain-on-reset"))
732d9df0187SGregory CLEMENT info->flags |= TWL_6030_WARM_RESET;
733d9df0187SGregory CLEMENT
734cac28ae6SNicolae Rosia config.dev = &pdev->dev;
735cac28ae6SNicolae Rosia config.init_data = initdata;
736cac28ae6SNicolae Rosia config.driver_data = info;
737621d3ce8SGregory CLEMENT config.of_node = np;
738cac28ae6SNicolae Rosia
739cac28ae6SNicolae Rosia rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
740cac28ae6SNicolae Rosia if (IS_ERR(rdev)) {
741cac28ae6SNicolae Rosia dev_err(&pdev->dev, "can't register %s, %ld\n",
742cac28ae6SNicolae Rosia info->desc.name, PTR_ERR(rdev));
743cac28ae6SNicolae Rosia return PTR_ERR(rdev);
744cac28ae6SNicolae Rosia }
745cac28ae6SNicolae Rosia platform_set_drvdata(pdev, rdev);
746cac28ae6SNicolae Rosia
747cac28ae6SNicolae Rosia /* NOTE: many regulators support short-circuit IRQs (presentable
748cac28ae6SNicolae Rosia * as REGULATOR_OVER_CURRENT notifications?) configured via:
749cac28ae6SNicolae Rosia * - SC_CONFIG
750cac28ae6SNicolae Rosia * - SC_DETECT1 (vintana2, vmmc1/2, vaux1/2/3/4)
751cac28ae6SNicolae Rosia * - SC_DETECT2 (vusb, vdac, vio, vdd1/2, vpll2)
752cac28ae6SNicolae Rosia * - IT_CONFIG
753cac28ae6SNicolae Rosia */
754cac28ae6SNicolae Rosia
755cac28ae6SNicolae Rosia return 0;
756cac28ae6SNicolae Rosia }
757cac28ae6SNicolae Rosia
758cac28ae6SNicolae Rosia MODULE_ALIAS("platform:twl6030_reg");
759cac28ae6SNicolae Rosia
760cac28ae6SNicolae Rosia static struct platform_driver twlreg_driver = {
761cac28ae6SNicolae Rosia .probe = twlreg_probe,
762cac28ae6SNicolae Rosia /* NOTE: short name, to work around driver model truncation of
763cac28ae6SNicolae Rosia * "twl_regulator.12" (and friends) to "twl_regulator.1".
764cac28ae6SNicolae Rosia */
765cac28ae6SNicolae Rosia .driver = {
766cac28ae6SNicolae Rosia .name = "twl6030_reg",
767*259b93b2SDouglas Anderson .probe_type = PROBE_PREFER_ASYNCHRONOUS,
768cac28ae6SNicolae Rosia .of_match_table = of_match_ptr(twl_of_match),
769cac28ae6SNicolae Rosia },
770cac28ae6SNicolae Rosia };
771cac28ae6SNicolae Rosia
twlreg_init(void)772cac28ae6SNicolae Rosia static int __init twlreg_init(void)
773cac28ae6SNicolae Rosia {
774cac28ae6SNicolae Rosia return platform_driver_register(&twlreg_driver);
775cac28ae6SNicolae Rosia }
776cac28ae6SNicolae Rosia subsys_initcall(twlreg_init);
777cac28ae6SNicolae Rosia
twlreg_exit(void)778cac28ae6SNicolae Rosia static void __exit twlreg_exit(void)
779cac28ae6SNicolae Rosia {
780cac28ae6SNicolae Rosia platform_driver_unregister(&twlreg_driver);
781cac28ae6SNicolae Rosia }
782cac28ae6SNicolae Rosia module_exit(twlreg_exit)
783cac28ae6SNicolae Rosia
784cac28ae6SNicolae Rosia MODULE_DESCRIPTION("TWL6030 regulator driver");
785cac28ae6SNicolae Rosia MODULE_LICENSE("GPL");
786