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authorJiri Kosina <jkosina@suse.cz>2012-04-08 15:48:52 -0400
committerJiri Kosina <jkosina@suse.cz>2012-04-08 15:48:52 -0400
commite75d660672ddd11704b7f0fdb8ff21968587b266 (patch)
treeccb9c107744c10b553c0373e450bee3971d16c00 /drivers/regulator/tps65910-regulator.c
parent61282f37927143e45b03153f3e7b48d6b702147a (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches that fix code that is newer than current HEAD of for-next. Conflicts: drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'drivers/regulator/tps65910-regulator.c')
-rw-r--r--drivers/regulator/tps65910-regulator.c400
1 files changed, 345 insertions, 55 deletions
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 1711dbf28ea5..5478bf10cbfc 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -26,6 +26,10 @@
26#include <linux/mfd/tps65910.h> 26#include <linux/mfd/tps65910.h>
27 27
28#define TPS65910_SUPPLY_STATE_ENABLED 0x1 28#define TPS65910_SUPPLY_STATE_ENABLED 0x1
29#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 | \
30 TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 | \
31 TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 | \
32 TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
29 33
30/* supported VIO voltages in millivolts */ 34/* supported VIO voltages in millivolts */
31static const u16 VIO_VSEL_table[] = { 35static const u16 VIO_VSEL_table[] = {
@@ -83,161 +87,235 @@ struct tps_info {
83 const char *name; 87 const char *name;
84 unsigned min_uV; 88 unsigned min_uV;
85 unsigned max_uV; 89 unsigned max_uV;
86 u8 table_len; 90 u8 n_voltages;
87 const u16 *table; 91 const u16 *voltage_table;
92 int enable_time_us;
88}; 93};
89 94
90static struct tps_info tps65910_regs[] = { 95static struct tps_info tps65910_regs[] = {
91 { 96 {
92 .name = "VRTC", 97 .name = "VRTC",
98 .enable_time_us = 2200,
93 }, 99 },
94 { 100 {
95 .name = "VIO", 101 .name = "VIO",
96 .min_uV = 1500000, 102 .min_uV = 1500000,
97 .max_uV = 3300000, 103 .max_uV = 3300000,
98 .table_len = ARRAY_SIZE(VIO_VSEL_table), 104 .n_voltages = ARRAY_SIZE(VIO_VSEL_table),
99 .table = VIO_VSEL_table, 105 .voltage_table = VIO_VSEL_table,
106 .enable_time_us = 350,
100 }, 107 },
101 { 108 {
102 .name = "VDD1", 109 .name = "VDD1",
103 .min_uV = 600000, 110 .min_uV = 600000,
104 .max_uV = 4500000, 111 .max_uV = 4500000,
112 .enable_time_us = 350,
105 }, 113 },
106 { 114 {
107 .name = "VDD2", 115 .name = "VDD2",
108 .min_uV = 600000, 116 .min_uV = 600000,
109 .max_uV = 4500000, 117 .max_uV = 4500000,
118 .enable_time_us = 350,
110 }, 119 },
111 { 120 {
112 .name = "VDD3", 121 .name = "VDD3",
113 .min_uV = 5000000, 122 .min_uV = 5000000,
114 .max_uV = 5000000, 123 .max_uV = 5000000,
115 .table_len = ARRAY_SIZE(VDD3_VSEL_table), 124 .n_voltages = ARRAY_SIZE(VDD3_VSEL_table),
116 .table = VDD3_VSEL_table, 125 .voltage_table = VDD3_VSEL_table,
126 .enable_time_us = 200,
117 }, 127 },
118 { 128 {
119 .name = "VDIG1", 129 .name = "VDIG1",
120 .min_uV = 1200000, 130 .min_uV = 1200000,
121 .max_uV = 2700000, 131 .max_uV = 2700000,
122 .table_len = ARRAY_SIZE(VDIG1_VSEL_table), 132 .n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
123 .table = VDIG1_VSEL_table, 133 .voltage_table = VDIG1_VSEL_table,
134 .enable_time_us = 100,
124 }, 135 },
125 { 136 {
126 .name = "VDIG2", 137 .name = "VDIG2",
127 .min_uV = 1000000, 138 .min_uV = 1000000,
128 .max_uV = 1800000, 139 .max_uV = 1800000,
129 .table_len = ARRAY_SIZE(VDIG2_VSEL_table), 140 .n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
130 .table = VDIG2_VSEL_table, 141 .voltage_table = VDIG2_VSEL_table,
142 .enable_time_us = 100,
131 }, 143 },
132 { 144 {
133 .name = "VPLL", 145 .name = "VPLL",
134 .min_uV = 1000000, 146 .min_uV = 1000000,
135 .max_uV = 2500000, 147 .max_uV = 2500000,
136 .table_len = ARRAY_SIZE(VPLL_VSEL_table), 148 .n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
137 .table = VPLL_VSEL_table, 149 .voltage_table = VPLL_VSEL_table,
150 .enable_time_us = 100,
138 }, 151 },
139 { 152 {
140 .name = "VDAC", 153 .name = "VDAC",
141 .min_uV = 1800000, 154 .min_uV = 1800000,
142 .max_uV = 2850000, 155 .max_uV = 2850000,
143 .table_len = ARRAY_SIZE(VDAC_VSEL_table), 156 .n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
144 .table = VDAC_VSEL_table, 157 .voltage_table = VDAC_VSEL_table,
158 .enable_time_us = 100,
145 }, 159 },
146 { 160 {
147 .name = "VAUX1", 161 .name = "VAUX1",
148 .min_uV = 1800000, 162 .min_uV = 1800000,
149 .max_uV = 2850000, 163 .max_uV = 2850000,
150 .table_len = ARRAY_SIZE(VAUX1_VSEL_table), 164 .n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
151 .table = VAUX1_VSEL_table, 165 .voltage_table = VAUX1_VSEL_table,
166 .enable_time_us = 100,
152 }, 167 },
153 { 168 {
154 .name = "VAUX2", 169 .name = "VAUX2",
155 .min_uV = 1800000, 170 .min_uV = 1800000,
156 .max_uV = 3300000, 171 .max_uV = 3300000,
157 .table_len = ARRAY_SIZE(VAUX2_VSEL_table), 172 .n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
158 .table = VAUX2_VSEL_table, 173 .voltage_table = VAUX2_VSEL_table,
174 .enable_time_us = 100,
159 }, 175 },
160 { 176 {
161 .name = "VAUX33", 177 .name = "VAUX33",
162 .min_uV = 1800000, 178 .min_uV = 1800000,
163 .max_uV = 3300000, 179 .max_uV = 3300000,
164 .table_len = ARRAY_SIZE(VAUX33_VSEL_table), 180 .n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
165 .table = VAUX33_VSEL_table, 181 .voltage_table = VAUX33_VSEL_table,
182 .enable_time_us = 100,
166 }, 183 },
167 { 184 {
168 .name = "VMMC", 185 .name = "VMMC",
169 .min_uV = 1800000, 186 .min_uV = 1800000,
170 .max_uV = 3300000, 187 .max_uV = 3300000,
171 .table_len = ARRAY_SIZE(VMMC_VSEL_table), 188 .n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
172 .table = VMMC_VSEL_table, 189 .voltage_table = VMMC_VSEL_table,
190 .enable_time_us = 100,
173 }, 191 },
174}; 192};
175 193
176static struct tps_info tps65911_regs[] = { 194static struct tps_info tps65911_regs[] = {
177 { 195 {
196 .name = "VRTC",
197 .enable_time_us = 2200,
198 },
199 {
178 .name = "VIO", 200 .name = "VIO",
179 .min_uV = 1500000, 201 .min_uV = 1500000,
180 .max_uV = 3300000, 202 .max_uV = 3300000,
181 .table_len = ARRAY_SIZE(VIO_VSEL_table), 203 .n_voltages = ARRAY_SIZE(VIO_VSEL_table),
182 .table = VIO_VSEL_table, 204 .voltage_table = VIO_VSEL_table,
205 .enable_time_us = 350,
183 }, 206 },
184 { 207 {
185 .name = "VDD1", 208 .name = "VDD1",
186 .min_uV = 600000, 209 .min_uV = 600000,
187 .max_uV = 4500000, 210 .max_uV = 4500000,
211 .n_voltages = 73,
212 .enable_time_us = 350,
188 }, 213 },
189 { 214 {
190 .name = "VDD2", 215 .name = "VDD2",
191 .min_uV = 600000, 216 .min_uV = 600000,
192 .max_uV = 4500000, 217 .max_uV = 4500000,
218 .n_voltages = 73,
219 .enable_time_us = 350,
193 }, 220 },
194 { 221 {
195 .name = "VDDCTRL", 222 .name = "VDDCTRL",
196 .min_uV = 600000, 223 .min_uV = 600000,
197 .max_uV = 1400000, 224 .max_uV = 1400000,
225 .n_voltages = 65,
226 .enable_time_us = 900,
198 }, 227 },
199 { 228 {
200 .name = "LDO1", 229 .name = "LDO1",
201 .min_uV = 1000000, 230 .min_uV = 1000000,
202 .max_uV = 3300000, 231 .max_uV = 3300000,
232 .n_voltages = 47,
233 .enable_time_us = 420,
203 }, 234 },
204 { 235 {
205 .name = "LDO2", 236 .name = "LDO2",
206 .min_uV = 1000000, 237 .min_uV = 1000000,
207 .max_uV = 3300000, 238 .max_uV = 3300000,
239 .n_voltages = 47,
240 .enable_time_us = 420,
208 }, 241 },
209 { 242 {
210 .name = "LDO3", 243 .name = "LDO3",
211 .min_uV = 1000000, 244 .min_uV = 1000000,
212 .max_uV = 3300000, 245 .max_uV = 3300000,
246 .n_voltages = 24,
247 .enable_time_us = 230,
213 }, 248 },
214 { 249 {
215 .name = "LDO4", 250 .name = "LDO4",
216 .min_uV = 1000000, 251 .min_uV = 1000000,
217 .max_uV = 3300000, 252 .max_uV = 3300000,
253 .n_voltages = 47,
254 .enable_time_us = 230,
218 }, 255 },
219 { 256 {
220 .name = "LDO5", 257 .name = "LDO5",
221 .min_uV = 1000000, 258 .min_uV = 1000000,
222 .max_uV = 3300000, 259 .max_uV = 3300000,
260 .n_voltages = 24,
261 .enable_time_us = 230,
223 }, 262 },
224 { 263 {
225 .name = "LDO6", 264 .name = "LDO6",
226 .min_uV = 1000000, 265 .min_uV = 1000000,
227 .max_uV = 3300000, 266 .max_uV = 3300000,
267 .n_voltages = 24,
268 .enable_time_us = 230,
228 }, 269 },
229 { 270 {
230 .name = "LDO7", 271 .name = "LDO7",
231 .min_uV = 1000000, 272 .min_uV = 1000000,
232 .max_uV = 3300000, 273 .max_uV = 3300000,
274 .n_voltages = 24,
275 .enable_time_us = 230,
233 }, 276 },
234 { 277 {
235 .name = "LDO8", 278 .name = "LDO8",
236 .min_uV = 1000000, 279 .min_uV = 1000000,
237 .max_uV = 3300000, 280 .max_uV = 3300000,
281 .n_voltages = 24,
282 .enable_time_us = 230,
238 }, 283 },
239}; 284};
240 285
286#define EXT_CONTROL_REG_BITS(id, regs_offs, bits) (((regs_offs) << 8) | (bits))
287static unsigned int tps65910_ext_sleep_control[] = {
288 0,
289 EXT_CONTROL_REG_BITS(VIO, 1, 0),
290 EXT_CONTROL_REG_BITS(VDD1, 1, 1),
291 EXT_CONTROL_REG_BITS(VDD2, 1, 2),
292 EXT_CONTROL_REG_BITS(VDD3, 1, 3),
293 EXT_CONTROL_REG_BITS(VDIG1, 0, 1),
294 EXT_CONTROL_REG_BITS(VDIG2, 0, 2),
295 EXT_CONTROL_REG_BITS(VPLL, 0, 6),
296 EXT_CONTROL_REG_BITS(VDAC, 0, 7),
297 EXT_CONTROL_REG_BITS(VAUX1, 0, 3),
298 EXT_CONTROL_REG_BITS(VAUX2, 0, 4),
299 EXT_CONTROL_REG_BITS(VAUX33, 0, 5),
300 EXT_CONTROL_REG_BITS(VMMC, 0, 0),
301};
302
303static unsigned int tps65911_ext_sleep_control[] = {
304 0,
305 EXT_CONTROL_REG_BITS(VIO, 1, 0),
306 EXT_CONTROL_REG_BITS(VDD1, 1, 1),
307 EXT_CONTROL_REG_BITS(VDD2, 1, 2),
308 EXT_CONTROL_REG_BITS(VDDCTRL, 1, 3),
309 EXT_CONTROL_REG_BITS(LDO1, 0, 1),
310 EXT_CONTROL_REG_BITS(LDO2, 0, 2),
311 EXT_CONTROL_REG_BITS(LDO3, 0, 7),
312 EXT_CONTROL_REG_BITS(LDO4, 0, 6),
313 EXT_CONTROL_REG_BITS(LDO5, 0, 3),
314 EXT_CONTROL_REG_BITS(LDO6, 0, 0),
315 EXT_CONTROL_REG_BITS(LDO7, 0, 5),
316 EXT_CONTROL_REG_BITS(LDO8, 0, 4),
317};
318
241struct tps65910_reg { 319struct tps65910_reg {
242 struct regulator_desc *desc; 320 struct regulator_desc *desc;
243 struct tps65910 *mfd; 321 struct tps65910 *mfd;
@@ -247,6 +325,8 @@ struct tps65910_reg {
247 int num_regulators; 325 int num_regulators;
248 int mode; 326 int mode;
249 int (*get_ctrl_reg)(int); 327 int (*get_ctrl_reg)(int);
328 unsigned int *ext_sleep_control;
329 unsigned int board_ext_control[TPS65910_NUM_REGS];
250}; 330};
251 331
252static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg) 332static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg)
@@ -429,6 +509,12 @@ static int tps65910_disable(struct regulator_dev *dev)
429 return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED); 509 return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
430} 510}
431 511
512static int tps65910_enable_time(struct regulator_dev *dev)
513{
514 struct tps65910_reg *pmic = rdev_get_drvdata(dev);
515 int id = rdev_get_id(dev);
516 return pmic->info[id]->enable_time_us;
517}
432 518
433static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode) 519static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode)
434{ 520{
@@ -467,7 +553,7 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev)
467 if (value < 0) 553 if (value < 0)
468 return value; 554 return value;
469 555
470 if (value & LDO_ST_ON_BIT) 556 if (!(value & LDO_ST_ON_BIT))
471 return REGULATOR_MODE_STANDBY; 557 return REGULATOR_MODE_STANDBY;
472 else if (value & LDO_ST_MODE_BIT) 558 else if (value & LDO_ST_MODE_BIT)
473 return REGULATOR_MODE_IDLE; 559 return REGULATOR_MODE_IDLE;
@@ -475,10 +561,10 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev)
475 return REGULATOR_MODE_NORMAL; 561 return REGULATOR_MODE_NORMAL;
476} 562}
477 563
478static int tps65910_get_voltage_dcdc(struct regulator_dev *dev) 564static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev)
479{ 565{
480 struct tps65910_reg *pmic = rdev_get_drvdata(dev); 566 struct tps65910_reg *pmic = rdev_get_drvdata(dev);
481 int id = rdev_get_id(dev), voltage = 0; 567 int id = rdev_get_id(dev);
482 int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0; 568 int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0;
483 569
484 switch (id) { 570 switch (id) {
@@ -522,9 +608,7 @@ static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
522 srvsel = 3; 608 srvsel = 3;
523 if (srvsel > vselmax) 609 if (srvsel > vselmax)
524 srvsel = vselmax; 610 srvsel = vselmax;
525 srvsel -= 3; 611 return srvsel - 3;
526
527 voltage = (srvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
528 } else { 612 } else {
529 613
530 /* normalise to valid range*/ 614 /* normalise to valid range*/
@@ -532,14 +616,9 @@ static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
532 opvsel = 3; 616 opvsel = 3;
533 if (opvsel > vselmax) 617 if (opvsel > vselmax)
534 opvsel = vselmax; 618 opvsel = vselmax;
535 opvsel -= 3; 619 return opvsel - 3;
536
537 voltage = (opvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
538 } 620 }
539 621 return -EINVAL;
540 voltage *= mult;
541
542 return voltage;
543} 622}
544 623
545static int tps65910_get_voltage(struct regulator_dev *dev) 624static int tps65910_get_voltage(struct regulator_dev *dev)
@@ -572,7 +651,7 @@ static int tps65910_get_voltage(struct regulator_dev *dev)
572 return -EINVAL; 651 return -EINVAL;
573 } 652 }
574 653
575 voltage = pmic->info[id]->table[value] * 1000; 654 voltage = pmic->info[id]->voltage_table[value] * 1000;
576 655
577 return voltage; 656 return voltage;
578} 657}
@@ -622,8 +701,9 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
622 step_mv = 100; 701 step_mv = 100;
623 break; 702 break;
624 case TPS65910_REG_VIO: 703 case TPS65910_REG_VIO:
625 return pmic->info[id]->table[value] * 1000; 704 value &= LDO_SEL_MASK;
626 break; 705 value >>= LDO_SEL_SHIFT;
706 return pmic->info[id]->voltage_table[value] * 1000;
627 default: 707 default:
628 return -EINVAL; 708 return -EINVAL;
629 } 709 }
@@ -631,8 +711,8 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
631 return (LDO_MIN_VOLT + value * step_mv) * 1000; 711 return (LDO_MIN_VOLT + value * step_mv) * 1000;
632} 712}
633 713
634static int tps65910_set_voltage_dcdc(struct regulator_dev *dev, 714static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev,
635 unsigned selector) 715 unsigned selector)
636{ 716{
637 struct tps65910_reg *pmic = rdev_get_drvdata(dev); 717 struct tps65910_reg *pmic = rdev_get_drvdata(dev);
638 int id = rdev_get_id(dev), vsel; 718 int id = rdev_get_id(dev), vsel;
@@ -662,14 +742,15 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
662 tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel); 742 tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel);
663 break; 743 break;
664 case TPS65911_REG_VDDCTRL: 744 case TPS65911_REG_VDDCTRL:
665 vsel = selector; 745 vsel = selector + 3;
666 tps65910_reg_write(pmic, TPS65911_VDDCTRL_OP, vsel); 746 tps65910_reg_write(pmic, TPS65911_VDDCTRL_OP, vsel);
667 } 747 }
668 748
669 return 0; 749 return 0;
670} 750}
671 751
672static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector) 752static int tps65910_set_voltage_sel(struct regulator_dev *dev,
753 unsigned selector)
673{ 754{
674 struct tps65910_reg *pmic = rdev_get_drvdata(dev); 755 struct tps65910_reg *pmic = rdev_get_drvdata(dev);
675 int reg, id = rdev_get_id(dev); 756 int reg, id = rdev_get_id(dev);
@@ -695,7 +776,8 @@ static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector)
695 return -EINVAL; 776 return -EINVAL;
696} 777}
697 778
698static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector) 779static int tps65911_set_voltage_sel(struct regulator_dev *dev,
780 unsigned selector)
699{ 781{
700 struct tps65910_reg *pmic = rdev_get_drvdata(dev); 782 struct tps65910_reg *pmic = rdev_get_drvdata(dev);
701 int reg, id = rdev_get_id(dev); 783 int reg, id = rdev_get_id(dev);
@@ -715,9 +797,11 @@ static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector)
715 case TPS65911_REG_LDO6: 797 case TPS65911_REG_LDO6:
716 case TPS65911_REG_LDO7: 798 case TPS65911_REG_LDO7:
717 case TPS65911_REG_LDO8: 799 case TPS65911_REG_LDO8:
718 case TPS65910_REG_VIO:
719 return tps65910_modify_bits(pmic, reg, 800 return tps65910_modify_bits(pmic, reg,
720 (selector << LDO_SEL_SHIFT), LDO3_SEL_MASK); 801 (selector << LDO_SEL_SHIFT), LDO3_SEL_MASK);
802 case TPS65910_REG_VIO:
803 return tps65910_modify_bits(pmic, reg,
804 (selector << LDO_SEL_SHIFT), LDO_SEL_MASK);
721 } 805 }
722 806
723 return -EINVAL; 807 return -EINVAL;
@@ -756,10 +840,10 @@ static int tps65910_list_voltage(struct regulator_dev *dev,
756 if (id < TPS65910_REG_VIO || id > TPS65910_REG_VMMC) 840 if (id < TPS65910_REG_VIO || id > TPS65910_REG_VMMC)
757 return -EINVAL; 841 return -EINVAL;
758 842
759 if (selector >= pmic->info[id]->table_len) 843 if (selector >= pmic->info[id]->n_voltages)
760 return -EINVAL; 844 return -EINVAL;
761 else 845 else
762 voltage = pmic->info[id]->table[selector] * 1000; 846 voltage = pmic->info[id]->voltage_table[selector] * 1000;
763 847
764 return voltage; 848 return voltage;
765} 849}
@@ -795,7 +879,7 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
795 step_mv = 100; 879 step_mv = 100;
796 break; 880 break;
797 case TPS65910_REG_VIO: 881 case TPS65910_REG_VIO:
798 return pmic->info[id]->table[selector] * 1000; 882 return pmic->info[id]->voltage_table[selector] * 1000;
799 default: 883 default:
800 return -EINVAL; 884 return -EINVAL;
801 } 885 }
@@ -803,15 +887,42 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
803 return (LDO_MIN_VOLT + selector * step_mv) * 1000; 887 return (LDO_MIN_VOLT + selector * step_mv) * 1000;
804} 888}
805 889
890static int tps65910_set_voltage_dcdc_time_sel(struct regulator_dev *dev,
891 unsigned int old_selector, unsigned int new_selector)
892{
893 int id = rdev_get_id(dev);
894 int old_volt, new_volt;
895
896 old_volt = tps65910_list_voltage_dcdc(dev, old_selector);
897 if (old_volt < 0)
898 return old_volt;
899
900 new_volt = tps65910_list_voltage_dcdc(dev, new_selector);
901 if (new_volt < 0)
902 return new_volt;
903
904 /* VDD1 and VDD2 are 12.5mV/us, VDDCTRL is 100mV/20us */
905 switch (id) {
906 case TPS65910_REG_VDD1:
907 case TPS65910_REG_VDD2:
908 return DIV_ROUND_UP(abs(old_volt - new_volt), 12500);
909 case TPS65911_REG_VDDCTRL:
910 return DIV_ROUND_UP(abs(old_volt - new_volt), 5000);
911 }
912 return -EINVAL;
913}
914
806/* Regulator ops (except VRTC) */ 915/* Regulator ops (except VRTC) */
807static struct regulator_ops tps65910_ops_dcdc = { 916static struct regulator_ops tps65910_ops_dcdc = {
808 .is_enabled = tps65910_is_enabled, 917 .is_enabled = tps65910_is_enabled,
809 .enable = tps65910_enable, 918 .enable = tps65910_enable,
810 .disable = tps65910_disable, 919 .disable = tps65910_disable,
920 .enable_time = tps65910_enable_time,
811 .set_mode = tps65910_set_mode, 921 .set_mode = tps65910_set_mode,
812 .get_mode = tps65910_get_mode, 922 .get_mode = tps65910_get_mode,
813 .get_voltage = tps65910_get_voltage_dcdc, 923 .get_voltage_sel = tps65910_get_voltage_dcdc_sel,
814 .set_voltage_sel = tps65910_set_voltage_dcdc, 924 .set_voltage_sel = tps65910_set_voltage_dcdc_sel,
925 .set_voltage_time_sel = tps65910_set_voltage_dcdc_time_sel,
815 .list_voltage = tps65910_list_voltage_dcdc, 926 .list_voltage = tps65910_list_voltage_dcdc,
816}; 927};
817 928
@@ -819,6 +930,7 @@ static struct regulator_ops tps65910_ops_vdd3 = {
819 .is_enabled = tps65910_is_enabled, 930 .is_enabled = tps65910_is_enabled,
820 .enable = tps65910_enable, 931 .enable = tps65910_enable,
821 .disable = tps65910_disable, 932 .disable = tps65910_disable,
933 .enable_time = tps65910_enable_time,
822 .set_mode = tps65910_set_mode, 934 .set_mode = tps65910_set_mode,
823 .get_mode = tps65910_get_mode, 935 .get_mode = tps65910_get_mode,
824 .get_voltage = tps65910_get_voltage_vdd3, 936 .get_voltage = tps65910_get_voltage_vdd3,
@@ -829,10 +941,11 @@ static struct regulator_ops tps65910_ops = {
829 .is_enabled = tps65910_is_enabled, 941 .is_enabled = tps65910_is_enabled,
830 .enable = tps65910_enable, 942 .enable = tps65910_enable,
831 .disable = tps65910_disable, 943 .disable = tps65910_disable,
944 .enable_time = tps65910_enable_time,
832 .set_mode = tps65910_set_mode, 945 .set_mode = tps65910_set_mode,
833 .get_mode = tps65910_get_mode, 946 .get_mode = tps65910_get_mode,
834 .get_voltage = tps65910_get_voltage, 947 .get_voltage = tps65910_get_voltage,
835 .set_voltage_sel = tps65910_set_voltage, 948 .set_voltage_sel = tps65910_set_voltage_sel,
836 .list_voltage = tps65910_list_voltage, 949 .list_voltage = tps65910_list_voltage,
837}; 950};
838 951
@@ -840,13 +953,147 @@ static struct regulator_ops tps65911_ops = {
840 .is_enabled = tps65910_is_enabled, 953 .is_enabled = tps65910_is_enabled,
841 .enable = tps65910_enable, 954 .enable = tps65910_enable,
842 .disable = tps65910_disable, 955 .disable = tps65910_disable,
956 .enable_time = tps65910_enable_time,
843 .set_mode = tps65910_set_mode, 957 .set_mode = tps65910_set_mode,
844 .get_mode = tps65910_get_mode, 958 .get_mode = tps65910_get_mode,
845 .get_voltage = tps65911_get_voltage, 959 .get_voltage = tps65911_get_voltage,
846 .set_voltage_sel = tps65911_set_voltage, 960 .set_voltage_sel = tps65911_set_voltage_sel,
847 .list_voltage = tps65911_list_voltage, 961 .list_voltage = tps65911_list_voltage,
848}; 962};
849 963
964static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
965 int id, int ext_sleep_config)
966{
967 struct tps65910 *mfd = pmic->mfd;
968 u8 regoffs = (pmic->ext_sleep_control[id] >> 8) & 0xFF;
969 u8 bit_pos = (1 << pmic->ext_sleep_control[id] & 0xFF);
970 int ret;
971
972 /*
973 * Regulator can not be control from multiple external input EN1, EN2
974 * and EN3 together.
975 */
976 if (ext_sleep_config & EXT_SLEEP_CONTROL) {
977 int en_count;
978 en_count = ((ext_sleep_config &
979 TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1) != 0);
980 en_count += ((ext_sleep_config &
981 TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2) != 0);
982 en_count += ((ext_sleep_config &
983 TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3) != 0);
984 en_count += ((ext_sleep_config &
985 TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP) != 0);
986 if (en_count > 1) {
987 dev_err(mfd->dev,
988 "External sleep control flag is not proper\n");
989 return -EINVAL;
990 }
991 }
992
993 pmic->board_ext_control[id] = ext_sleep_config;
994
995 /* External EN1 control */
996 if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1)
997 ret = tps65910_set_bits(mfd,
998 TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
999 else
1000 ret = tps65910_clear_bits(mfd,
1001 TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
1002 if (ret < 0) {
1003 dev_err(mfd->dev,
1004 "Error in configuring external control EN1\n");
1005 return ret;
1006 }
1007
1008 /* External EN2 control */
1009 if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2)
1010 ret = tps65910_set_bits(mfd,
1011 TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
1012 else
1013 ret = tps65910_clear_bits(mfd,
1014 TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
1015 if (ret < 0) {
1016 dev_err(mfd->dev,
1017 "Error in configuring external control EN2\n");
1018 return ret;
1019 }
1020
1021 /* External EN3 control for TPS65910 LDO only */
1022 if ((tps65910_chip_id(mfd) == TPS65910) &&
1023 (id >= TPS65910_REG_VDIG1)) {
1024 if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3)
1025 ret = tps65910_set_bits(mfd,
1026 TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
1027 else
1028 ret = tps65910_clear_bits(mfd,
1029 TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
1030 if (ret < 0) {
1031 dev_err(mfd->dev,
1032 "Error in configuring external control EN3\n");
1033 return ret;
1034 }
1035 }
1036
1037 /* Return if no external control is selected */
1038 if (!(ext_sleep_config & EXT_SLEEP_CONTROL)) {
1039 /* Clear all sleep controls */
1040 ret = tps65910_clear_bits(mfd,
1041 TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
1042 if (!ret)
1043 ret = tps65910_clear_bits(mfd,
1044 TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
1045 if (ret < 0)
1046 dev_err(mfd->dev,
1047 "Error in configuring SLEEP register\n");
1048 return ret;
1049 }
1050
1051 /*
1052 * For regulator that has separate operational and sleep register make
1053 * sure that operational is used and clear sleep register to turn
1054 * regulator off when external control is inactive
1055 */
1056 if ((id == TPS65910_REG_VDD1) ||
1057 (id == TPS65910_REG_VDD2) ||
1058 ((id == TPS65911_REG_VDDCTRL) &&
1059 (tps65910_chip_id(mfd) == TPS65911))) {
1060 int op_reg_add = pmic->get_ctrl_reg(id) + 1;
1061 int sr_reg_add = pmic->get_ctrl_reg(id) + 2;
1062 int opvsel = tps65910_reg_read(pmic, op_reg_add);
1063 int srvsel = tps65910_reg_read(pmic, sr_reg_add);
1064 if (opvsel & VDD1_OP_CMD_MASK) {
1065 u8 reg_val = srvsel & VDD1_OP_SEL_MASK;
1066 ret = tps65910_reg_write(pmic, op_reg_add, reg_val);
1067 if (ret < 0) {
1068 dev_err(mfd->dev,
1069 "Error in configuring op register\n");
1070 return ret;
1071 }
1072 }
1073 ret = tps65910_reg_write(pmic, sr_reg_add, 0);
1074 if (ret < 0) {
1075 dev_err(mfd->dev, "Error in settting sr register\n");
1076 return ret;
1077 }
1078 }
1079
1080 ret = tps65910_clear_bits(mfd,
1081 TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
1082 if (!ret) {
1083 if (ext_sleep_config & TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
1084 ret = tps65910_set_bits(mfd,
1085 TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
1086 else
1087 ret = tps65910_clear_bits(mfd,
1088 TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
1089 }
1090 if (ret < 0)
1091 dev_err(mfd->dev,
1092 "Error in configuring SLEEP register\n");
1093
1094 return ret;
1095}
1096
850static __devinit int tps65910_probe(struct platform_device *pdev) 1097static __devinit int tps65910_probe(struct platform_device *pdev)
851{ 1098{
852 struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent); 1099 struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
@@ -877,11 +1124,13 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
877 case TPS65910: 1124 case TPS65910:
878 pmic->get_ctrl_reg = &tps65910_get_ctrl_register; 1125 pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
879 pmic->num_regulators = ARRAY_SIZE(tps65910_regs); 1126 pmic->num_regulators = ARRAY_SIZE(tps65910_regs);
1127 pmic->ext_sleep_control = tps65910_ext_sleep_control;
880 info = tps65910_regs; 1128 info = tps65910_regs;
881 break; 1129 break;
882 case TPS65911: 1130 case TPS65911:
883 pmic->get_ctrl_reg = &tps65911_get_ctrl_register; 1131 pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
884 pmic->num_regulators = ARRAY_SIZE(tps65911_regs); 1132 pmic->num_regulators = ARRAY_SIZE(tps65911_regs);
1133 pmic->ext_sleep_control = tps65911_ext_sleep_control;
885 info = tps65911_regs; 1134 info = tps65911_regs;
886 break; 1135 break;
887 default: 1136 default:
@@ -926,7 +1175,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
926 1175
927 pmic->desc[i].name = info->name; 1176 pmic->desc[i].name = info->name;
928 pmic->desc[i].id = i; 1177 pmic->desc[i].id = i;
929 pmic->desc[i].n_voltages = info->table_len; 1178 pmic->desc[i].n_voltages = info->n_voltages;
930 1179
931 if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) { 1180 if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
932 pmic->desc[i].ops = &tps65910_ops_dcdc; 1181 pmic->desc[i].ops = &tps65910_ops_dcdc;
@@ -944,6 +1193,16 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
944 pmic->desc[i].ops = &tps65911_ops; 1193 pmic->desc[i].ops = &tps65911_ops;
945 } 1194 }
946 1195
1196 err = tps65910_set_ext_sleep_config(pmic, i,
1197 pmic_plat_data->regulator_ext_sleep_control[i]);
1198 /*
1199 * Failing on regulator for configuring externally control
1200 * is not a serious issue, just throw warning.
1201 */
1202 if (err < 0)
1203 dev_warn(tps65910->dev,
1204 "Failed to initialise ext control config\n");
1205
947 pmic->desc[i].type = REGULATOR_VOLTAGE; 1206 pmic->desc[i].type = REGULATOR_VOLTAGE;
948 pmic->desc[i].owner = THIS_MODULE; 1207 pmic->desc[i].owner = THIS_MODULE;
949 1208
@@ -990,6 +1249,36 @@ static int __devexit tps65910_remove(struct platform_device *pdev)
990 return 0; 1249 return 0;
991} 1250}
992 1251
1252static void tps65910_shutdown(struct platform_device *pdev)
1253{
1254 struct tps65910_reg *pmic = platform_get_drvdata(pdev);
1255 int i;
1256
1257 /*
1258 * Before bootloader jumps to kernel, it makes sure that required
1259 * external control signals are in desired state so that given rails
1260 * can be configure accordingly.
1261 * If rails are configured to be controlled from external control
1262 * then before shutting down/rebooting the system, the external
1263 * control configuration need to be remove from the rails so that
1264 * its output will be available as per register programming even
1265 * if external controls are removed. This is require when the POR
1266 * value of the control signals are not in active state and before
1267 * bootloader initializes it, the system requires the rail output
1268 * to be active for booting.
1269 */
1270 for (i = 0; i < pmic->num_regulators; i++) {
1271 int err;
1272 if (!pmic->rdev[i])
1273 continue;
1274
1275 err = tps65910_set_ext_sleep_config(pmic, i, 0);
1276 if (err < 0)
1277 dev_err(&pdev->dev,
1278 "Error in clearing external control\n");
1279 }
1280}
1281
993static struct platform_driver tps65910_driver = { 1282static struct platform_driver tps65910_driver = {
994 .driver = { 1283 .driver = {
995 .name = "tps65910-pmic", 1284 .name = "tps65910-pmic",
@@ -997,6 +1286,7 @@ static struct platform_driver tps65910_driver = {
997 }, 1286 },
998 .probe = tps65910_probe, 1287 .probe = tps65910_probe,
999 .remove = __devexit_p(tps65910_remove), 1288 .remove = __devexit_p(tps65910_remove),
1289 .shutdown = tps65910_shutdown,
1000}; 1290};
1001 1291
1002static int __init tps65910_init(void) 1292static int __init tps65910_init(void)
@@ -1012,6 +1302,6 @@ static void __exit tps65910_cleanup(void)
1012module_exit(tps65910_cleanup); 1302module_exit(tps65910_cleanup);
1013 1303
1014MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); 1304MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1015MODULE_DESCRIPTION("TPS6507x voltage regulator driver"); 1305MODULE_DESCRIPTION("TPS65910/TPS65911 voltage regulator driver");
1016MODULE_LICENSE("GPL v2"); 1306MODULE_LICENSE("GPL v2");
1017MODULE_ALIAS("platform:tps65910-pmic"); 1307MODULE_ALIAS("platform:tps65910-pmic");