diff options
Diffstat (limited to 'drivers/regulator/qcom_smd-regulator.c')
| -rw-r--r-- | drivers/regulator/qcom_smd-regulator.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c index 9c6167dd2c8b..86b3cfcd0106 100644 --- a/drivers/regulator/qcom_smd-regulator.c +++ b/drivers/regulator/qcom_smd-regulator.c @@ -20,6 +20,9 @@ #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/soc/qcom/smd-rpm.h> +#include <linux/regulator/qcom_smd-regulator.h> + +#include "internal.h" struct qcom_rpm_reg { struct device *dev; @@ -44,6 +47,11 @@ struct rpm_regulator_req { #define RPM_KEY_SWEN 0x6e657773 /* "swen" */ #define RPM_KEY_UV 0x00007675 /* "uv" */ #define RPM_KEY_MA 0x0000616d /* "ma" */ +#define RPM_KEY_FLOOR 0x00636676 /* "vfc" */ +#define RPM_KEY_CORNER 0x6e726f63 /* "corn" */ + +#define RPM_MIN_FLOOR_CORNER 0 +#define RPM_MAX_FLOOR_CORNER 6 static int rpm_reg_write_active(struct qcom_rpm_reg *vreg, struct rpm_regulator_req *req, @@ -56,6 +64,50 @@ static int rpm_reg_write_active(struct qcom_rpm_reg *vreg, req, size); } +int qcom_rpm_set_floor(struct regulator *regulator, int floor) +{ + struct regulator_dev *rdev = regulator->rdev; + struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); + struct rpm_regulator_req req; + int ret; + + req.key = RPM_KEY_FLOOR; + req.nbytes = sizeof(u32); + req.value = floor; + + if (floor < RPM_MIN_FLOOR_CORNER || floor > RPM_MAX_FLOOR_CORNER) + return -EINVAL; + + ret = rpm_reg_write_active(vreg, &req, sizeof(req)); + if (ret) + dev_err(rdev_get_dev(rdev), "Failed to set floor %d\n", floor); + + return ret; +} +EXPORT_SYMBOL(qcom_rpm_set_floor); + +int qcom_rpm_set_corner(struct regulator *regulator, int corner) +{ + struct regulator_dev *rdev = regulator->rdev; + struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); + struct rpm_regulator_req req; + int ret; + + req.key = RPM_KEY_CORNER; + req.nbytes = sizeof(u32); + req.value = corner; + + if (corner < RPM_MIN_FLOOR_CORNER || corner > RPM_MAX_FLOOR_CORNER) + return -EINVAL; + + ret = rpm_reg_write_active(vreg, &req, sizeof(req)); + if (ret) + dev_err(rdev_get_dev(rdev), "Failed to set corner %d\n", corner); + + return ret; +} +EXPORT_SYMBOL(qcom_rpm_set_corner); + static int rpm_reg_enable(struct regulator_dev *rdev) { struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); @@ -211,6 +263,43 @@ static const struct regulator_desc pm8941_switch = { .ops = &rpm_switch_ops, }; +static const struct regulator_desc pm8916_pldo = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(750000, 0, 208, 12500), + }, + .n_linear_ranges = 1, + .n_voltages = 209, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pm8916_nldo = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(375000, 0, 93, 12500), + }, + .n_linear_ranges = 1, + .n_voltages = 94, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pm8916_buck_lvo_smps = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500), + REGULATOR_LINEAR_RANGE(750000, 96, 127, 25000), + }, + .n_linear_ranges = 2, + .n_voltages = 128, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pm8916_buck_hvo_smps = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(1550000, 0, 31, 25000), + }, + .n_linear_ranges = 1, + .n_voltages = 32, + .ops = &rpm_smps_ldo_ops, +}; + struct rpm_regulator_data { const char *name; u32 type; @@ -272,9 +361,36 @@ static const struct rpm_regulator_data rpm_pm8941_regulators[] = { {} }; +static const struct rpm_regulator_data rpm_pm8916_regulators[] = { + { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8916_buck_lvo_smps, "vdd_s1" }, + { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8916_buck_lvo_smps, "vdd_s2" }, + { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8916_buck_lvo_smps, "vdd_s3" }, + { "s4", QCOM_SMD_RPM_SMPA, 4, &pm8916_buck_hvo_smps, "vdd_s4" }, + { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8916_nldo, "vdd_l1_l2_l3" }, + { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8916_nldo, "vdd_l1_l2_l3" }, + { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8916_nldo, "vdd_l1_l2_l3" }, + { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8916_pldo, "vdd_l4_l5_l6" }, + { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8916_pldo, "vdd_l4_l5_l6" }, + { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8916_pldo, "vdd_l4_l5_l6" }, + { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8916_pldo, "vdd_l7" }, + { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18" }, + { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18" }, + { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, + {} +}; + static const struct of_device_id rpm_of_match[] = { { .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators }, { .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators }, + { .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators }, {} }; MODULE_DEVICE_TABLE(of, rpm_of_match); |