regulator: qcom_smd: Add PMR735a regulators

PMR735a is already supported in the RPMH regulator driver, but
there are cases where it's bundled with SMD RPM SoCs. Port it over
to qcom_smd-regulator to enable usage in such cases.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20221109110846.45789-2-konrad.dybcio@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/qcom_smd-regulator.c

@@ -677,6 +677,15 @@ static const struct regulator_desc pm6125_ftsmps = {
 	.ops = &rpm_smps_ldo_ops,
 };
 
+static const struct regulator_desc pmic5_ftsmps520 = {
+	.linear_ranges = (struct linear_range[]) {
+		REGULATOR_LINEAR_RANGE(300000, 0, 263, 4000),
+	},
+	.n_linear_ranges = 1,
+	.n_voltages = 264,
+	.ops = &rpm_smps_ldo_ops,
+};
+
 static const struct regulator_desc pms405_hfsmps3 = {
 	.linear_ranges = (struct linear_range[]) {
 		REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
@@ -1265,6 +1274,20 @@ static const struct rpm_regulator_data rpm_pmi8998_regulators[] = {
 	{}
 };
 
+static const struct rpm_regulator_data rpm_pmr735a_regulators[] = {
+	{ "s1", QCOM_SMD_RPM_SMPE, 1, &pmic5_ftsmps520, "vdd_s1"},
+	{ "s2", QCOM_SMD_RPM_SMPE, 2, &pmic5_ftsmps520, "vdd_s2"},
+	{ "s3", QCOM_SMD_RPM_SMPE, 3, &pms405_hfsmps3, "vdd_s3"},
+	{ "l1", QCOM_SMD_RPM_LDOE, 1, &pm660_nldo660, "vdd_l1_l2"},
+	{ "l2", QCOM_SMD_RPM_LDOE, 2, &pm660_nldo660, "vdd_l1_l2"},
+	{ "l3", QCOM_SMD_RPM_LDOE, 3, &pm660_nldo660, "vdd_l3"},
+	{ "l4", QCOM_SMD_RPM_LDOE, 4, &pm660_ht_lvpldo, "vdd_l4"},
+	{ "l5", QCOM_SMD_RPM_LDOE, 5, &pm660_nldo660, "vdd_l5_l6"},
+	{ "l6", QCOM_SMD_RPM_LDOE, 6, &pm660_nldo660, "vdd_l5_l6"},
+	{ "l7", QCOM_SMD_RPM_LDOE, 7, &pm660_pldo660, "vdd_l7_bob"},
+	{}
+};
+
 static const struct rpm_regulator_data rpm_pms405_regulators[] = {
 	{ "s1", QCOM_SMD_RPM_SMPA, 1, &pms405_hfsmps3, "vdd_s1" },
 	{ "s2", QCOM_SMD_RPM_SMPA, 2, &pms405_hfsmps3, "vdd_s2" },
@@ -1305,6 +1328,7 @@ static const struct of_device_id rpm_of_match[] = {
 	{ .compatible = "qcom,rpm-pma8084-regulators", .data = &rpm_pma8084_regulators },
 	{ .compatible = "qcom,rpm-pmi8994-regulators", .data = &rpm_pmi8994_regulators },
 	{ .compatible = "qcom,rpm-pmi8998-regulators", .data = &rpm_pmi8998_regulators },
+	{ .compatible = "qcom,rpm-pmr735a-regulators", .data = &rpm_pmr735a_regulators },
 	{ .compatible = "qcom,rpm-pms405-regulators", .data = &rpm_pms405_regulators },
 	{}
 };

include/linux/soc/qcom/smd-rpm.h

@@ -19,6 +19,7 @@ struct qcom_smd_rpm;
 #define QCOM_SMD_RPM_CLK_BUF_A	0x616B6C63
 #define QCOM_SMD_RPM_LDOA	0x616f646c
 #define QCOM_SMD_RPM_LDOB	0x626F646C
+#define QCOM_SMD_RPM_LDOE	0x656f646c
 #define QCOM_SMD_RPM_RWCX	0x78637772
 #define QCOM_SMD_RPM_RWMX	0x786d7772
 #define QCOM_SMD_RPM_RWLC	0x636c7772
@@ -32,6 +33,7 @@ struct qcom_smd_rpm;
 #define QCOM_SMD_RPM_QUP_CLK	0x707571
 #define QCOM_SMD_RPM_SMPA	0x61706d73
 #define QCOM_SMD_RPM_SMPB	0x62706d73
+#define QCOM_SMD_RPM_SMPE	0x65706d73
 #define QCOM_SMD_RPM_SPDM	0x63707362
 #define QCOM_SMD_RPM_VSA	0x00617376
 #define QCOM_SMD_RPM_MMAXI_CLK	0x69786d6d