linux-kernel - [PATCH 6/6] regulator: qcom

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Message-Id: <1592550307-11040-7-git-send-email-kathirav@codeaurora.org>
Date:   Fri, 19 Jun 2020 12:35:07 +0530
From:   Kathiravan T <kathirav@...eaurora.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, robh+dt@...nel.org, kathirav@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     sivaprak@...eaurora.org
Subject: [PATCH 6/6] 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@...eaurora.org>
---
 drivers/regulator/qcom_smd-regulator.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
index 53a64d8..e6d137a 100644
--- 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),
@@ -595,6 +604,24 @@ 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;
@@ -603,6 +630,12 @@ 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" },
@@ -901,6 +934,7 @@ 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 },
-- 
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