Skip to content

Commit

Permalink
regulator: qcom-smd: Add PM8916 support
Browse files Browse the repository at this point in the history 
This patch adds support and documentation for the PM8916 regulators
found on MSM8916 platforms.

Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
  • Loading branch information
Andy Gross authored and Mark Brown committed Dec 16, 2015
1 parent 7a40058 commit 57d6567
Show file tree
Hide file tree
Showing 2 changed files with 82 additions and 0 deletions.
18 changes: 18 additions & 0 deletions Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ Regulator nodes are identified by their compatible:
Value type: <string>
Definition: must be one of:
"qcom,rpm-pm8841-regulators"
"qcom,rpm-pm8916-regulators"
"qcom,rpm-pm8941-regulators"

- vdd_s1-supply:
Expand All @@ -35,6 +36,19 @@ 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_l1_l2_l3-supply:
- vdd_l4_l5_l6-supply:
- vdd_l7-supply:
- vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18-supply:
Usage: optional (pm8916 only)
Value type: <phandle>
Definition: reference to regulator supplying the input pin, as
described in the data sheet

- vdd_s1-supply:
- vdd_s2-supply:
- vdd_s3-supply:
Expand All @@ -60,6 +74,10 @@ of the pmics below.
pm8841:
s1, s2, s3, s4, s5, s6, s7, s8

pm8916:
s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13,
l14, l15, l16, l17, l18

pm8941:
s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13,
l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2,
Expand Down
64 changes: 64 additions & 0 deletions drivers/regulator/qcom_smd-regulator.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -211,6 +211,43 @@ 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;
Expand All @@ -231,6 +268,32 @@ static const struct rpm_regulator_data rpm_pm8841_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 rpm_regulator_data rpm_pm8941_regulators[] = {
{ "s1", QCOM_SMD_RPM_SMPA, 1, &pm8x41_hfsmps, "vdd_s1" },
{ "s2", QCOM_SMD_RPM_SMPA, 2, &pm8x41_hfsmps, "vdd_s2" },
Expand Down Expand Up @@ -274,6 +337,7 @@ static const struct rpm_regulator_data rpm_pm8941_regulators[] = {

static const struct of_device_id rpm_of_match[] = {
{ .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 },
{}
};
Expand Down

0 comments on commit 57d6567

Please sign in to comment.