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Subject[PATCH 3/3] regulator: rpm: add support for RPM-controller SMB208
Date
The IPQ8064 reference boards make use of SMB208 regulators which are
controlled by RPM. Implement support for these regulators in the RPM
regulator driver.

Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
---
drivers/regulator/qcom_rpm-regulator.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c
index b869254..36c39e9 100644
--- a/drivers/regulator/qcom_rpm-regulator.c
+++ b/drivers/regulator/qcom_rpm-regulator.c
@@ -183,6 +183,13 @@ static const struct regulator_linear_range ftsmps_ranges[] = {
REGULATOR_LINEAR_RANGE(1500000, 64, 100, 50000),
};

+static const struct regulator_linear_range smb208_ranges[] = {
+ REGULATOR_LINEAR_RANGE( 375000, 0, 29, 12500),
+ REGULATOR_LINEAR_RANGE( 750000, 30, 89, 12500),
+ REGULATOR_LINEAR_RANGE(1500000, 90, 153, 25000),
+ REGULATOR_LINEAR_RANGE(3100000, 154, 234, 25000),
+};
+
static const struct regulator_linear_range ncp_ranges[] = {
REGULATOR_LINEAR_RANGE(1500000, 0, 31, 50000),
};
@@ -559,6 +566,16 @@ static const struct qcom_rpm_reg pm8921_switch = {
.parts = &rpm8960_switch_parts,
};

+static const struct qcom_rpm_reg smb208_smps = {
+ .desc.linear_ranges = smb208_ranges,
+ .desc.n_linear_ranges = ARRAY_SIZE(smb208_ranges),
+ .desc.n_voltages = 235,
+ .desc.ops = &uV_ops,
+ .parts = &rpm8960_smps_parts,
+ .supports_force_mode_auto = false,
+ .supports_force_mode_bypass = false,
+};
+
static const struct of_device_id rpm_of_match[] = {
{ .compatible = "qcom,rpm-pm8058-pldo", .data = &pm8058_pldo },
{ .compatible = "qcom,rpm-pm8058-nldo", .data = &pm8058_nldo },
@@ -578,6 +595,8 @@ static const struct of_device_id rpm_of_match[] = {
{ .compatible = "qcom,rpm-pm8921-ftsmps", .data = &pm8921_ftsmps },
{ .compatible = "qcom,rpm-pm8921-ncp", .data = &pm8921_ncp },
{ .compatible = "qcom,rpm-pm8921-switch", .data = &pm8921_switch },
+
+ { .compatible = "qcom,rpm-smb208", .data = &smb208_smps },
{ }
};
MODULE_DEVICE_TABLE(of, rpm_of_match);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


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