#include <linux/mfd/tps6594.h>
-#define BUCK_NB 5
-#define LDO_NB 4
-#define MULTI_PHASE_NB 4
-#define REGS_INT_NB 4
+#define BUCK_NB 5
+#define LDO_NB 4
+#define MULTI_PHASE_NB 4
+/* TPS6593 and LP8764 supports OV, UV, SC, ILIM */
+#define REGS_INT_NB 4
+/* TPS65224 supports OV or UV */
+#define TPS65224_REGS_INT_NB 1
enum tps6594_regulator_id {
/* DCDC's */
REGULATOR_EVENT_OVER_VOLTAGE_WARN },
};
+static struct tps6594_regulator_irq_type tps65224_ext_regulator_irq_types[] = {
+ { TPS65224_IRQ_NAME_VCCA_UVOV, "VCCA", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+ { TPS65224_IRQ_NAME_VMON1_UVOV, "VMON1", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+ { TPS65224_IRQ_NAME_VMON2_UVOV, "VMON2", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
struct tps6594_regulator_irq_data {
struct device *dev;
struct tps6594_regulator_irq_type *type;
REGULATOR_LINEAR_RANGE(1200000, 0x20, 0x74, 25000),
};
+/* Voltage range for TPS65224 Bucks and LDOs */
+static const struct linear_range tps65224_bucks_1_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0x0a, 0x0e, 20000),
+ REGULATOR_LINEAR_RANGE(600000, 0x0f, 0x72, 5000),
+ REGULATOR_LINEAR_RANGE(1100000, 0x73, 0xaa, 10000),
+ REGULATOR_LINEAR_RANGE(1660000, 0xab, 0xfd, 20000),
+};
+
+static const struct linear_range tps65224_bucks_2_3_4_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0x0, 0x1a, 25000),
+ REGULATOR_LINEAR_RANGE(1200000, 0x1b, 0x45, 50000),
+};
+
+static const struct linear_range tps65224_ldos_1_ranges[] = {
+ REGULATOR_LINEAR_RANGE(1200000, 0xC, 0x36, 50000),
+};
+
+static const struct linear_range tps65224_ldos_2_3_ranges[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0x0, 0x38, 50000),
+};
+
/* Operations permitted on BUCK1/2/3/4/5 */
static const struct regulator_ops tps6594_bucks_ops = {
.is_enabled = regulator_is_enabled_regmap,
4, 0, 0, NULL, 0, 0),
};
+/* Buck configuration for TPS65224 */
+static const struct regulator_desc tps65224_buck_regs[] = {
+ TPS6594_REGULATOR("BUCK1", "buck1", TPS6594_BUCK_1,
+ REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCK1_VSET,
+ TPS6594_REG_BUCKX_VOUT_1(0),
+ TPS65224_MASK_BUCK1_VSET,
+ TPS6594_REG_BUCKX_CTRL(0),
+ TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_1_ranges,
+ 4, 0, 0, NULL, 0, 0),
+ TPS6594_REGULATOR("BUCK2", "buck2", TPS6594_BUCK_2,
+ REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCKS_VSET,
+ TPS6594_REG_BUCKX_VOUT_1(1),
+ TPS65224_MASK_BUCKS_VSET,
+ TPS6594_REG_BUCKX_CTRL(1),
+ TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_2_3_4_ranges,
+ 4, 0, 0, NULL, 0, 0),
+ TPS6594_REGULATOR("BUCK3", "buck3", TPS6594_BUCK_3,
+ REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCKS_VSET,
+ TPS6594_REG_BUCKX_VOUT_1(2),
+ TPS65224_MASK_BUCKS_VSET,
+ TPS6594_REG_BUCKX_CTRL(2),
+ TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_2_3_4_ranges,
+ 4, 0, 0, NULL, 0, 0),
+ TPS6594_REGULATOR("BUCK4", "buck4", TPS6594_BUCK_4,
+ REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCKS_VSET,
+ TPS6594_REG_BUCKX_VOUT_1(3),
+ TPS65224_MASK_BUCKS_VSET,
+ TPS6594_REG_BUCKX_CTRL(3),
+ TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_2_3_4_ranges,
+ 4, 0, 0, NULL, 0, 0),
+};
+
static struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = {
{ TPS6594_IRQ_NAME_BUCK1_OV, "BUCK1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
{ TPS6594_IRQ_NAME_BUCK1_UV, "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
REGULATOR_EVENT_OVER_CURRENT },
};
+static struct tps6594_regulator_irq_type tps65224_buck1_irq_types[] = {
+ { TPS65224_IRQ_NAME_BUCK1_UVOV, "BUCK1", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
+static struct tps6594_regulator_irq_type tps65224_buck2_irq_types[] = {
+ { TPS65224_IRQ_NAME_BUCK2_UVOV, "BUCK2", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
+static struct tps6594_regulator_irq_type tps65224_buck3_irq_types[] = {
+ { TPS65224_IRQ_NAME_BUCK3_UVOV, "BUCK3", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
+static struct tps6594_regulator_irq_type tps65224_buck4_irq_types[] = {
+ { TPS65224_IRQ_NAME_BUCK4_UVOV, "BUCK4", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
+static struct tps6594_regulator_irq_type tps65224_ldo1_irq_types[] = {
+ { TPS65224_IRQ_NAME_LDO1_UVOV, "LDO1", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
+static struct tps6594_regulator_irq_type tps65224_ldo2_irq_types[] = {
+ { TPS65224_IRQ_NAME_LDO2_UVOV, "LDO2", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
+static struct tps6594_regulator_irq_type tps65224_ldo3_irq_types[] = {
+ { TPS65224_IRQ_NAME_LDO3_UVOV, "LDO3", "voltage out of range",
+ REGULATOR_EVENT_REGULATION_OUT },
+};
+
static struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = {
tps6594_buck1_irq_types,
tps6594_buck2_irq_types,
tps6594_ldo4_irq_types,
};
-static const struct regulator_desc multi_regs[] = {
+static struct tps6594_regulator_irq_type *tps65224_bucks_irq_types[] = {
+ tps65224_buck1_irq_types,
+ tps65224_buck2_irq_types,
+ tps65224_buck3_irq_types,
+ tps65224_buck4_irq_types,
+};
+
+static struct tps6594_regulator_irq_type *tps65224_ldos_irq_types[] = {
+ tps65224_ldo1_irq_types,
+ tps65224_ldo2_irq_types,
+ tps65224_ldo3_irq_types,
+};
+
+static const struct regulator_desc tps6594_multi_regs[] = {
TPS6594_REGULATOR("BUCK12", "buck12", TPS6594_BUCK_1,
REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET,
TPS6594_REG_BUCKX_VOUT_1(1),
4, 4000, 0, NULL, 0, 0),
};
-static const struct regulator_desc ldo_regs[] = {
+static const struct regulator_desc tps65224_multi_regs[] = {
+ TPS6594_REGULATOR("BUCK12", "buck12", TPS6594_BUCK_1,
+ REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS65224_MASK_BUCK1_VSET,
+ TPS6594_REG_BUCKX_VOUT_1(0),
+ TPS65224_MASK_BUCK1_VSET,
+ TPS6594_REG_BUCKX_CTRL(0),
+ TPS6594_BIT_BUCK_EN, 0, 0, tps65224_bucks_1_ranges,
+ 4, 4000, 0, NULL, 0, 0),
+};
+
+static const struct regulator_desc tps6594_ldo_regs[] = {
TPS6594_REGULATOR("LDO1", "ldo1", TPS6594_LDO_1,
REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET,
TPS6594_REG_LDOX_VOUT(0),
1, 0, 0, NULL, 0, 0),
};
+static const struct regulator_desc tps65224_ldo_regs[] = {
+ TPS6594_REGULATOR("LDO1", "ldo1", TPS6594_LDO_1,
+ REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET,
+ TPS6594_REG_LDOX_VOUT(0),
+ TPS6594_MASK_LDO123_VSET,
+ TPS6594_REG_LDOX_CTRL(0),
+ TPS6594_BIT_LDO_EN, 0, 0, tps65224_ldos_1_ranges,
+ 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS),
+ TPS6594_REGULATOR("LDO2", "ldo2", TPS6594_LDO_2,
+ REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET,
+ TPS6594_REG_LDOX_VOUT(1),
+ TPS6594_MASK_LDO123_VSET,
+ TPS6594_REG_LDOX_CTRL(1),
+ TPS6594_BIT_LDO_EN, 0, 0, tps65224_ldos_2_3_ranges,
+ 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS),
+ TPS6594_REGULATOR("LDO3", "ldo3", TPS6594_LDO_3,
+ REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET,
+ TPS6594_REG_LDOX_VOUT(2),
+ TPS6594_MASK_LDO123_VSET,
+ TPS6594_REG_LDOX_CTRL(2),
+ TPS6594_BIT_LDO_EN, 0, 0, tps65224_ldos_2_3_ranges,
+ 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS),
+};
+
static irqreturn_t tps6594_regulator_irq_handler(int irq, void *data)
{
struct tps6594_regulator_irq_data *irq_data = data;
static int tps6594_request_reg_irqs(struct platform_device *pdev,
struct regulator_dev *rdev,
struct tps6594_regulator_irq_data *irq_data,
- struct tps6594_regulator_irq_type *tps6594_regs_irq_types,
+ struct tps6594_regulator_irq_type *regs_irq_types,
+ size_t interrupt_cnt,
int *irq_idx)
{
struct tps6594_regulator_irq_type *irq_type;
struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent);
- int j;
+ size_t j;
int irq;
int error;
- for (j = 0; j < REGS_INT_NB; j++) {
- irq_type = &tps6594_regs_irq_types[j];
+ for (j = 0; j < interrupt_cnt; j++) {
+ irq_type = ®s_irq_types[j];
irq = platform_get_irq_byname(pdev, irq_type->irq_name);
if (irq < 0)
return -EINVAL;
struct tps6594_regulator_irq_data *irq_data;
struct tps6594_ext_regulator_irq_data *irq_ext_reg_data;
struct tps6594_regulator_irq_type *irq_type;
- u8 buck_configured[BUCK_NB] = { 0 };
- u8 buck_multi[MULTI_PHASE_NB] = { 0 };
- static const char * const multiphases[] = {"buck12", "buck123", "buck1234", "buck34"};
+ struct tps6594_regulator_irq_type *irq_types;
+ bool buck_configured[BUCK_NB] = { false };
+ bool buck_multi[MULTI_PHASE_NB] = { false };
+
static const char *npname;
- int error, i, irq, multi, delta;
+ int error, i, irq, multi;
int irq_idx = 0;
int buck_idx = 0;
- size_t ext_reg_irq_nb = 2;
+ int nr_ldo;
+ int nr_buck;
+ int nr_types;
+ unsigned int irq_count;
+ unsigned int multi_phase_cnt;
size_t reg_irq_nb;
+ struct tps6594_regulator_irq_type **bucks_irq_types;
+ const struct regulator_desc *multi_regs;
+ struct tps6594_regulator_irq_type **ldos_irq_types;
+ const struct regulator_desc *ldo_regs;
+ size_t interrupt_count;
+
+ if (tps->chip_id == TPS65224) {
+ bucks_irq_types = tps65224_bucks_irq_types;
+ interrupt_count = ARRAY_SIZE(tps65224_buck1_irq_types);
+ multi_regs = tps65224_multi_regs;
+ ldos_irq_types = tps65224_ldos_irq_types;
+ ldo_regs = tps65224_ldo_regs;
+ multi_phase_cnt = ARRAY_SIZE(tps65224_multi_regs);
+ } else {
+ bucks_irq_types = tps6594_bucks_irq_types;
+ interrupt_count = ARRAY_SIZE(tps6594_buck1_irq_types);
+ multi_regs = tps6594_multi_regs;
+ ldos_irq_types = tps6594_ldos_irq_types;
+ ldo_regs = tps6594_ldo_regs;
+ multi_phase_cnt = ARRAY_SIZE(tps6594_multi_regs);
+ }
+
enum {
MULTI_BUCK12,
+ MULTI_BUCK12_34,
MULTI_BUCK123,
MULTI_BUCK1234,
- MULTI_BUCK12_34,
- MULTI_FIRST = MULTI_BUCK12,
- MULTI_LAST = MULTI_BUCK12_34,
- MULTI_NUM = MULTI_LAST - MULTI_FIRST + 1
};
config.dev = tps->dev;
* In case of Multiphase configuration, value should be defined for
* buck_configured to avoid creating bucks for every buck in multiphase
*/
- for (multi = MULTI_FIRST; multi < MULTI_NUM; multi++) {
- np = of_find_node_by_name(tps->dev->of_node, multiphases[multi]);
+ for (multi = 0; multi < multi_phase_cnt; multi++) {
+ np = of_find_node_by_name(tps->dev->of_node, multi_regs[multi].supply_name);
npname = of_node_full_name(np);
np_pmic_parent = of_get_parent(of_get_parent(np));
if (of_node_cmp(of_node_full_name(np_pmic_parent), tps->dev->of_node->full_name))
continue;
- delta = strcmp(npname, multiphases[multi]);
- if (!delta) {
+ if (strcmp(npname, multi_regs[multi].supply_name) == 0) {
switch (multi) {
case MULTI_BUCK12:
- buck_multi[0] = 1;
- buck_configured[0] = 1;
- buck_configured[1] = 1;
+ buck_multi[0] = true;
+ buck_configured[0] = true;
+ buck_configured[1] = true;
break;
/* multiphase buck34 is supported only with buck12 */
case MULTI_BUCK12_34:
- buck_multi[0] = 1;
- buck_multi[1] = 1;
- buck_configured[0] = 1;
- buck_configured[1] = 1;
- buck_configured[2] = 1;
- buck_configured[3] = 1;
+ buck_multi[0] = true;
+ buck_multi[1] = true;
+ buck_configured[0] = true;
+ buck_configured[1] = true;
+ buck_configured[2] = true;
+ buck_configured[3] = true;
break;
case MULTI_BUCK123:
- buck_multi[2] = 1;
- buck_configured[0] = 1;
- buck_configured[1] = 1;
- buck_configured[2] = 1;
+ buck_multi[2] = true;
+ buck_configured[0] = true;
+ buck_configured[1] = true;
+ buck_configured[2] = true;
break;
case MULTI_BUCK1234:
- buck_multi[3] = 1;
- buck_configured[0] = 1;
- buck_configured[1] = 1;
- buck_configured[2] = 1;
- buck_configured[3] = 1;
+ buck_multi[3] = true;
+ buck_configured[0] = true;
+ buck_configured[1] = true;
+ buck_configured[2] = true;
+ buck_configured[3] = true;
break;
}
}
}
if (tps->chip_id == LP8764) {
- /* There is only 4 buck on LP8764 */
- buck_configured[4] = 1;
- reg_irq_nb = size_mul(REGS_INT_NB, (BUCK_NB - 1));
+ nr_buck = ARRAY_SIZE(buck_regs);
+ nr_ldo = 0;
+ nr_types = REGS_INT_NB;
+ } else if (tps->chip_id == TPS65224) {
+ nr_buck = ARRAY_SIZE(tps65224_buck_regs);
+ nr_ldo = ARRAY_SIZE(tps65224_ldo_regs);
+ nr_types = REGS_INT_NB;
} else {
- reg_irq_nb = size_mul(REGS_INT_NB, (size_add(BUCK_NB, LDO_NB)));
+ nr_buck = ARRAY_SIZE(buck_regs);
+ nr_ldo = ARRAY_SIZE(tps6594_ldo_regs);
+ nr_types = TPS65224_REGS_INT_NB;
}
+ reg_irq_nb = nr_types * (nr_buck + nr_ldo);
+
irq_data = devm_kmalloc_array(tps->dev, reg_irq_nb,
sizeof(struct tps6594_regulator_irq_data), GFP_KERNEL);
if (!irq_data)
return -ENOMEM;
- for (i = 0; i < MULTI_PHASE_NB; i++) {
- if (buck_multi[i] == 0)
+ for (i = 0; i < multi_phase_cnt; i++) {
+ if (!buck_multi[i])
continue;
rdev = devm_regulator_register(&pdev->dev, &multi_regs[i], &config);
pdev->name);
/* config multiphase buck12+buck34 */
- if (i == 1)
+ if (i == MULTI_BUCK12_34)
buck_idx = 2;
+
error = tps6594_request_reg_irqs(pdev, rdev, irq_data,
- tps6594_bucks_irq_types[buck_idx], &irq_idx);
+ bucks_irq_types[buck_idx],
+ interrupt_count, &irq_idx);
if (error)
return error;
+
error = tps6594_request_reg_irqs(pdev, rdev, irq_data,
- tps6594_bucks_irq_types[buck_idx + 1], &irq_idx);
+ bucks_irq_types[buck_idx + 1],
+ interrupt_count, &irq_idx);
if (error)
return error;
- if (i == 2 || i == 3) {
+ if (i == MULTI_BUCK123 || i == MULTI_BUCK1234) {
error = tps6594_request_reg_irqs(pdev, rdev, irq_data,
tps6594_bucks_irq_types[buck_idx + 2],
+ interrupt_count,
&irq_idx);
if (error)
return error;
}
- if (i == 3) {
+ if (i == MULTI_BUCK1234) {
error = tps6594_request_reg_irqs(pdev, rdev, irq_data,
tps6594_bucks_irq_types[buck_idx + 3],
+ interrupt_count,
&irq_idx);
if (error)
return error;
}
}
- for (i = 0; i < BUCK_NB; i++) {
- if (buck_configured[i] == 1)
+ for (i = 0; i < nr_buck; i++) {
+ if (buck_configured[i])
continue;
- rdev = devm_regulator_register(&pdev->dev, &buck_regs[i], &config);
+ const struct regulator_desc *buck_cfg = (tps->chip_id == TPS65224) ?
+ tps65224_buck_regs : buck_regs;
+
+ rdev = devm_regulator_register(&pdev->dev, &buck_cfg[i], &config);
if (IS_ERR(rdev))
return dev_err_probe(tps->dev, PTR_ERR(rdev),
- "failed to register %s regulator\n",
- pdev->name);
+ "failed to register %s regulator\n", pdev->name);
error = tps6594_request_reg_irqs(pdev, rdev, irq_data,
- tps6594_bucks_irq_types[i], &irq_idx);
+ bucks_irq_types[i], interrupt_count, &irq_idx);
if (error)
return error;
}
- /* LP8764 dosen't have LDO */
+ /* LP8764 doesn't have LDO */
if (tps->chip_id != LP8764) {
- for (i = 0; i < ARRAY_SIZE(ldo_regs); i++) {
+ for (i = 0; i < nr_ldo; i++) {
rdev = devm_regulator_register(&pdev->dev, &ldo_regs[i], &config);
if (IS_ERR(rdev))
return dev_err_probe(tps->dev, PTR_ERR(rdev),
pdev->name);
error = tps6594_request_reg_irqs(pdev, rdev, irq_data,
- tps6594_ldos_irq_types[i],
+ ldos_irq_types[i], interrupt_count,
&irq_idx);
if (error)
return error;
}
}
- if (tps->chip_id == LP8764)
- ext_reg_irq_nb = ARRAY_SIZE(tps6594_ext_regulator_irq_types);
+ if (tps->chip_id == TPS65224) {
+ irq_types = tps65224_ext_regulator_irq_types;
+ irq_count = ARRAY_SIZE(tps65224_ext_regulator_irq_types);
+ } else {
+ irq_types = tps6594_ext_regulator_irq_types;
+ if (tps->chip_id == LP8764)
+ irq_count = ARRAY_SIZE(tps6594_ext_regulator_irq_types);
+ else
+ /* TPS6593 supports only VCCA OV and UV */
+ irq_count = 2;
+ }
irq_ext_reg_data = devm_kmalloc_array(tps->dev,
- ext_reg_irq_nb,
- sizeof(struct tps6594_ext_regulator_irq_data),
- GFP_KERNEL);
+ irq_count,
+ sizeof(struct tps6594_ext_regulator_irq_data),
+ GFP_KERNEL);
if (!irq_ext_reg_data)
return -ENOMEM;
- for (i = 0; i < ext_reg_irq_nb; ++i) {
- irq_type = &tps6594_ext_regulator_irq_types[i];
-
+ for (i = 0; i < irq_count; ++i) {
+ irq_type = &irq_types[i];
irq = platform_get_irq_byname(pdev, irq_type->irq_name);
if (irq < 0)
return -EINVAL;
MODULE_ALIAS("platform:tps6594-regulator");
MODULE_AUTHOR("Jerome Neanne <jneanne@baylibre.com>");
+MODULE_AUTHOR("Nirmala Devi Mal Nadar <m.nirmaladevi@ltts.com>");
MODULE_DESCRIPTION("TPS6594 voltage regulator driver");
MODULE_LICENSE("GPL");
projects / linux.git / commitdiff