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path: root/drivers/regulator/tps6586x-regulator.c
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Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
-rw-r--r--drivers/regulator/tps6586x-regulator.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 51237fbb1bbb..6d20b0454a1d 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -231,8 +231,7 @@ static int tps6586x_dvm_voltages[] = {
231}; 231};
232 232
233#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \ 233#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \
234 ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ 234 ereg0, ebit0, ereg1, ebit1) \
235{ \
236 .desc = { \ 235 .desc = { \
237 .name = "REG-" #_id, \ 236 .name = "REG-" #_id, \
238 .ops = &tps6586x_regulator_##_ops, \ 237 .ops = &tps6586x_regulator_##_ops, \
@@ -248,18 +247,26 @@ static int tps6586x_dvm_voltages[] = {
248 .enable_bit[0] = (ebit0), \ 247 .enable_bit[0] = (ebit0), \
249 .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \ 248 .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
250 .enable_bit[1] = (ebit1), \ 249 .enable_bit[1] = (ebit1), \
251 .voltages = tps6586x_##vdata##_voltages, \ 250 .voltages = tps6586x_##vdata##_voltages,
252} 251
252#define TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
253 .go_reg = TPS6586X_##goreg, \
254 .go_bit = (gobit),
253 255
254#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \ 256#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \
255 ereg0, ebit0, ereg1, ebit1) \ 257 ereg0, ebit0, ereg1, ebit1) \
258{ \
256 TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \ 259 TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \
257 ereg0, ebit0, ereg1, ebit1, 0, 0) 260 ereg0, ebit0, ereg1, ebit1) \
261}
258 262
259#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \ 263#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \
260 ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ 264 ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
265{ \
261 TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \ 266 TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \
262 ereg0, ebit0, ereg1, ebit1, goreg, gobit) 267 ereg0, ebit0, ereg1, ebit1) \
268 TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
269}
263 270
264static struct tps6586x_regulator tps6586x_regulator[] = { 271static struct tps6586x_regulator tps6586x_regulator[] = {
265 TPS6586X_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0), 272 TPS6586X_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0),
@@ -267,11 +274,11 @@ static struct tps6586x_regulator tps6586x_regulator[] = {
267 TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6), 274 TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
268 TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4), 275 TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
269 TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5), 276 TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
270 TPS6586X_LDO(LDO_8, ldo, SUPPLYV1, 5, 3, ENC, 6, END, 6), 277 TPS6586X_LDO(LDO_8, ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6),
271 TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7), 278 TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
272 TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, ENE, 7, ENE, 7), 279 TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7),
273 TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1), 280 TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
274 TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 1, END, 1), 281 TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7),
275 282
276 TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6), 283 TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6),
277 TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6), 284 TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6),
@@ -290,6 +297,10 @@ static inline int tps6586x_regulator_preinit(struct device *parent,
290 uint8_t val1, val2; 297 uint8_t val1, val2;
291 int ret; 298 int ret;
292 299
300 if (ri->enable_reg[0] == ri->enable_reg[1] &&
301 ri->enable_bit[0] == ri->enable_bit[1])
302 return 0;
303
293 ret = tps6586x_read(parent, ri->enable_reg[0], &val1); 304 ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
294 if (ret) 305 if (ret)
295 return ret; 306 return ret;
@@ -298,14 +309,14 @@ static inline int tps6586x_regulator_preinit(struct device *parent,
298 if (ret) 309 if (ret)
299 return ret; 310 return ret;
300 311
301 if (!(val2 & ri->enable_bit[1])) 312 if (!(val2 & (1 << ri->enable_bit[1])))
302 return 0; 313 return 0;
303 314
304 /* 315 /*
305 * The regulator is on, but it's enabled with the bit we don't 316 * The regulator is on, but it's enabled with the bit we don't
306 * want to use, so we switch the enable bits 317 * want to use, so we switch the enable bits
307 */ 318 */
308 if (!(val1 & ri->enable_bit[0])) { 319 if (!(val1 & (1 << ri->enable_bit[0]))) {
309 ret = tps6586x_set_bits(parent, ri->enable_reg[0], 320 ret = tps6586x_set_bits(parent, ri->enable_reg[0],
310 1 << ri->enable_bit[0]); 321 1 << ri->enable_bit[0]);
311 if (ret) 322 if (ret)