regulator: qcom_smd: Add MP5496 regulators

IPQ6018 SoC uses the PMIC MP5496. SMPA2 and LDOA2 regulator controls the
APSS and SDCC voltage scaling respectively. Add support for the same.

Signed-off-by: Kathiravan T <kathirav@codeaurora.org>
Link: https://lore.kernel.org/r/1592889472-6843-5-git-send-email-kathirav@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
index 4c0a469..a64b4e4 100644 (file)
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -198,6 +198,15 @@ static const struct regulator_ops rpm_bob_ops = {
        .set_voltage = rpm_reg_set_voltage,
 };
 
+static const struct regulator_ops rpm_mp5496_ops = {
+       .enable = rpm_reg_enable,
+       .disable = rpm_reg_disable,
+       .is_enabled = rpm_reg_is_enabled,
+       .list_voltage = regulator_list_voltage_linear_range,
+
+       .set_voltage = rpm_reg_set_voltage,
+};
+
 static const struct regulator_desc pma8084_hfsmps = {
        .linear_ranges = (struct linear_range[]) {
                REGULATOR_LINEAR_RANGE(375000,  0,  95, 12500),
@@ -586,6 +595,24 @@ static const struct regulator_desc pms405_pldo600 = {
        .ops = &rpm_smps_ldo_ops,
 };
 
+static const struct regulator_desc mp5496_smpa2 = {
+       .linear_ranges = (struct linear_range[]) {
+               REGULATOR_LINEAR_RANGE(725000, 0, 27, 12500),
+       },
+       .n_linear_ranges = 1,
+       .n_voltages = 28,
+       .ops = &rpm_mp5496_ops,
+};
+
+static const struct regulator_desc mp5496_ldoa2 = {
+       .linear_ranges = (struct linear_range[]) {
+               REGULATOR_LINEAR_RANGE(1800000, 0, 60, 25000),
+       },
+       .n_linear_ranges = 1,
+       .n_voltages = 61,
+       .ops = &rpm_mp5496_ops,
+};
+
 struct rpm_regulator_data {
        const char *name;
        u32 type;
@@ -594,6 +621,12 @@ struct rpm_regulator_data {
        const char *supply;
 };
 
+static const struct rpm_regulator_data rpm_mp5496_regulators[] = {
+       { "s2", QCOM_SMD_RPM_SMPA, 2, &mp5496_smpa2, "s2" },
+       { "l2", QCOM_SMD_RPM_LDOA, 2, &mp5496_ldoa2, "l2" },
+       {}
+};
+
 static const struct rpm_regulator_data rpm_pm8841_regulators[] = {
        { "s1", QCOM_SMD_RPM_SMPB, 1, &pm8x41_hfsmps, "vdd_s1" },
        { "s2", QCOM_SMD_RPM_SMPB, 2, &pm8841_ftsmps, "vdd_s2" },
@@ -892,6 +925,7 @@ static const struct rpm_regulator_data rpm_pms405_regulators[] = {
 };
 
 static const struct of_device_id rpm_of_match[] = {
+       { .compatible = "qcom,rpm-mp5496-regulators", .data = &rpm_mp5496_regulators },
        { .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators },
        { .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators },
        { .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators },