This patch adds support and documentation for the PMA8084 regulators
found on APQ8084 platforms.

Signed-off-by: Andy Gross <agr...@codeaurora.org>
---
 .../bindings/soc/qcom/qcom,smd-rpm-regulator.txt   |   35 ++++++++
 drivers/regulator/qcom_smd-regulator.c             |   95 ++++++++++++++++++++
 2 files changed, 130 insertions(+)

diff --git 
a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm-regulator.txt 
b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm-regulator.txt
index 05dfc1a..482f520 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm-regulator.txt
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm-regulator.txt
@@ -19,6 +19,7 @@ Regulator nodes are identified by their compatible:
                    "qcom,rpm-pm8841-regulators"
                    "qcom,rpm-pm8941-regulators"
                    "qcom,rpm-pm8916-regulators"
+                   "qcom,rpm-pma8084-regulators"
 
 - vdd_s1-supply:
 - vdd_s2-supply:
@@ -64,6 +65,35 @@ Regulator nodes are identified by their compatible:
        Definition: reference to regulator supplying the input pin, as
                    described in the data sheet
 
+- vdd_s1-supply:
+- vdd_s2-supply:
+- vdd_s3-supply:
+- vdd_s4-supply:
+- vdd_s5-supply:
+- vdd_s6-supply:
+- vdd_s7-supply:
+- vdd_s8-supply:
+- vdd_s9-supply:
+- vdd_s10-supply:
+- vdd_s11-supply:
+- vdd_s12-supply:
+- vdd_l1_l11-supply:
+- vdd_l2_l3_l4_l27-supply:
+- vdd_l5_l7-supply:
+- vdd_l6_l12_l14_l15_l26-supply:
+- vdd_l8-supply:
+- vdd_l9_l10_l13_l20_l23_l24-supply:
+- vdd_l16_l25-supply:
+- vdd_l17-supply:
+- vdd_l18-supply:
+- vdd_l19-supply:
+- vdd_l21-supply:
+- vdd_l22-supply:
+       Usage: optional (pma8084 only)
+       Value type: <phandle>
+       Definition: reference to regulator supplying the input pin, as
+                   described in the data sheet
+
 The regulator node houses sub-nodes for each regulator within the device. Each
 sub-node is identified using the node's name, with valid values listed for each
 of the pmics below.
@@ -80,6 +110,11 @@ pm8916:
        s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13,
        l14, l15, l16, l17, l18
 
+pma8084:
+       s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5,
+       l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20,
+       l21, l22, l23, l24, l25, l26, l27, lvs1, lvs2, lvs3, lvs4, 5vs1
+
 The content of each sub-node is defined by the standard binding for regulators 
-
 see regulator.txt.
 
diff --git a/drivers/regulator/qcom_smd-regulator.c 
b/drivers/regulator/qcom_smd-regulator.c
index 0ba6712..0217561 100644
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -153,6 +153,49 @@ static const struct regulator_ops rpm_switch_ops = {
        .is_enabled = rpm_reg_is_enabled,
 };
 
+static const struct regulator_desc pma8084_hfsmps = {
+       .linear_ranges = (struct regulator_linear_range[]) {
+               REGULATOR_LINEAR_RANGE(375000,  0,  95, 12500),
+               REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000),
+       },
+       .n_linear_ranges = 2,
+       .n_voltages = 159,
+       .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pma8084_ftsmps = {
+       .linear_ranges = (struct regulator_linear_range[]) {
+               REGULATOR_LINEAR_RANGE(350000,  0, 184, 5000),
+               REGULATOR_LINEAR_RANGE(700000, 185, 339, 10000),
+       },
+       .n_linear_ranges = 2,
+       .n_voltages = 340,
+       .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pma8084_pldo = {
+       .linear_ranges = (struct regulator_linear_range[]) {
+               REGULATOR_LINEAR_RANGE(750000,  0,  30, 25000),
+               REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000),
+       },
+       .n_linear_ranges = 2,
+       .n_voltages = 100,
+       .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pma8084_nldo = {
+       .linear_ranges = (struct regulator_linear_range[]) {
+               REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
+       },
+       .n_linear_ranges = 1,
+       .n_voltages = 64,
+       .ops = &rpm_smps_ldo_ops,
+};
+
+static const struct regulator_desc pma8084_switch = {
+       .ops = &rpm_switch_ops,
+};
+
 static const struct regulator_desc pm8x41_hfsmps = {
        .linear_ranges = (struct regulator_linear_range[]) {
                REGULATOR_LINEAR_RANGE( 375000,  0,  95, 12500),
@@ -335,10 +378,62 @@ static const struct rpm_regulator_data 
rpm_pm8941_regulators[] = {
        {}
 };
 
+static const struct rpm_regulator_data rpm_pma8084_regulators[] = {
+       { "s1", QCOM_SMD_RPM_SMPA, 1, &pma8084_ftsmps, "vdd_s1" },
+       { "s2", QCOM_SMD_RPM_SMPA, 2, &pma8084_ftsmps, "vdd_s2" },
+       { "s3", QCOM_SMD_RPM_SMPA, 3, &pma8084_hfsmps, "vdd_s3" },
+       { "s4", QCOM_SMD_RPM_SMPA, 4, &pma8084_hfsmps, "vdd_s4" },
+       { "s5", QCOM_SMD_RPM_SMPA, 5, &pma8084_hfsmps, "vdd_s5" },
+       { "s6", QCOM_SMD_RPM_SMPA, 6, &pma8084_ftsmps, "vdd_s6" },
+       { "s7", QCOM_SMD_RPM_SMPA, 7, &pma8084_ftsmps, "vdd_s7" },
+       { "s8", QCOM_SMD_RPM_SMPA, 8, &pma8084_ftsmps, "vdd_s8" },
+       { "s9", QCOM_SMD_RPM_SMPA, 9, &pma8084_ftsmps, "vdd_s9" },
+       { "s10", QCOM_SMD_RPM_SMPA, 10, &pma8084_ftsmps, "vdd_s10" },
+       { "s11", QCOM_SMD_RPM_SMPA, 11, &pma8084_ftsmps, "vdd_s11" },
+       { "s12", QCOM_SMD_RPM_SMPA, 12, &pma8084_ftsmps, "vdd_s12" },
+
+       { "l1", QCOM_SMD_RPM_LDOA, 1, &pma8084_nldo, "vdd_l1_l11" },
+       { "l2", QCOM_SMD_RPM_LDOA, 2, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
+       { "l3", QCOM_SMD_RPM_LDOA, 3, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
+       { "l4", QCOM_SMD_RPM_LDOA, 4, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
+       { "l5", QCOM_SMD_RPM_LDOA, 5, &pma8084_pldo, "vdd_l5_l7" },
+       { "l6", QCOM_SMD_RPM_LDOA, 6, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" },
+       { "l7", QCOM_SMD_RPM_LDOA, 7, &pma8084_pldo, "vdd_l5_l7" },
+       { "l8", QCOM_SMD_RPM_LDOA, 8, &pma8084_pldo, "vdd_l8" },
+       { "l9", QCOM_SMD_RPM_LDOA, 9, &pma8084_pldo, 
"vdd_l9_l10_l13_l20_l23_l24" },
+       { "l10", QCOM_SMD_RPM_LDOA, 10, &pma8084_pldo, 
"vdd_l9_l10_l13_l20_l23_l24" },
+       { "l11", QCOM_SMD_RPM_LDOA, 11, &pma8084_nldo, "vdd_l1_l11" },
+       { "l12", QCOM_SMD_RPM_LDOA, 12, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" 
},
+       { "l13", QCOM_SMD_RPM_LDOA, 13, &pma8084_pldo, 
"vdd_l9_l10_l13_l20_l23_l24" },
+       { "l14", QCOM_SMD_RPM_LDOA, 14, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" 
},
+       { "l15", QCOM_SMD_RPM_LDOA, 15, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" 
},
+       { "l16", QCOM_SMD_RPM_LDOA, 16, &pma8084_pldo, "vdd_l16_l25" },
+       { "l17", QCOM_SMD_RPM_LDOA, 17, &pma8084_pldo, "vdd_l17" },
+       { "l18", QCOM_SMD_RPM_LDOA, 18, &pma8084_pldo, "vdd_l18" },
+       { "l19", QCOM_SMD_RPM_LDOA, 19, &pma8084_pldo, "vdd_l19" },
+       { "l20", QCOM_SMD_RPM_LDOA, 20, &pma8084_pldo, 
"vdd_l9_l10_l13_l20_l23_l24" },
+       { "l21", QCOM_SMD_RPM_LDOA, 21, &pma8084_pldo, "vdd_l21" },
+       { "l22", QCOM_SMD_RPM_LDOA, 22, &pma8084_pldo, "vdd_l22" },
+       { "l23", QCOM_SMD_RPM_LDOA, 23, &pma8084_pldo, 
"vdd_l9_l10_l13_l20_l23_l24" },
+       { "l24", QCOM_SMD_RPM_LDOA, 24, &pma8084_pldo, 
"vdd_l9_l10_l13_l20_l23_l24" },
+       { "l25", QCOM_SMD_RPM_LDOA, 25, &pma8084_pldo, "vdd_l16_l25" },
+       { "l26", QCOM_SMD_RPM_LDOA, 26, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" 
},
+       { "l27", QCOM_SMD_RPM_LDOA, 27, &pma8084_nldo, "vdd_l2_l3_l4_l27" },
+
+       { "lvs1", QCOM_SMD_RPM_VSA, 1, &pma8084_switch },
+       { "lvs2", QCOM_SMD_RPM_VSA, 2, &pma8084_switch },
+       { "lvs3", QCOM_SMD_RPM_VSA, 3, &pma8084_switch },
+       { "lvs4", QCOM_SMD_RPM_VSA, 4, &pma8084_switch },
+       { "5vs1", QCOM_SMD_RPM_VSA, 5, &pma8084_switch },
+
+       {}
+};
+
 static const struct of_device_id rpm_of_match[] = {
        { .compatible = "qcom,rpm-pm8916-regulators", .data = 
&rpm_pm8916_regulators },
        { .compatible = "qcom,rpm-pm8841-regulators", .data = 
&rpm_pm8841_regulators },
        { .compatible = "qcom,rpm-pm8941-regulators", .data = 
&rpm_pm8941_regulators },
+       { .compatible = "qcom,rpm-pma8084-regulators", .data = 
&rpm_pma8084_regulators },
        {}
 };
 MODULE_DEVICE_TABLE(of, rpm_of_match);
-- 
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