1 // SPDX-License-Identifier: GPL-2.0-only
4  * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
12 #include <linux/soc/qcom/smd-rpm.h>
17 	struct qcom_smd_rpm *rpm;  member
49 	if (vreg->enabled_updated) {  in rpm_reg_write_active()
52 		req[reqlen].value = cpu_to_le32(vreg->is_enabled);  in rpm_reg_write_active()
56 	if (vreg->uv_updated && vreg->is_enabled) {  in rpm_reg_write_active()
59 		req[reqlen].value = cpu_to_le32(vreg->uV);  in rpm_reg_write_active()
63 	if (vreg->load_updated && vreg->is_enabled) {  in rpm_reg_write_active()
66 		req[reqlen].value = cpu_to_le32(vreg->load / 1000);  in rpm_reg_write_active()
73 	ret = qcom_rpm_smd_write(vreg->rpm, QCOM_SMD_RPM_ACTIVE_STATE,  in rpm_reg_write_active()
74 				 vreg->type, vreg->id,  in rpm_reg_write_active()
77 		vreg->enabled_updated = 0;  in rpm_reg_write_active()
78 		vreg->uv_updated = 0;  in rpm_reg_write_active()
79 		vreg->load_updated = 0;  in rpm_reg_write_active()
90 	vreg->is_enabled = 1;  in rpm_reg_enable()
91 	vreg->enabled_updated = 1;  in rpm_reg_enable()
95 		vreg->is_enabled = 0;  in rpm_reg_enable()
104 	return vreg->is_enabled;  in rpm_reg_is_enabled()
112 	vreg->is_enabled = 0;  in rpm_reg_disable()
113 	vreg->enabled_updated = 1;  in rpm_reg_disable()
117 		vreg->is_enabled = 1;  in rpm_reg_disable()
126 	return vreg->uV;  in rpm_reg_get_voltage()
136 	int old_uV = vreg->uV;  in rpm_reg_set_voltage()
138 	vreg->uV = min_uV;  in rpm_reg_set_voltage()
139 	vreg->uv_updated = 1;  in rpm_reg_set_voltage()
143 		vreg->uV = old_uV;  in rpm_reg_set_voltage()
151 	u32 old_load = vreg->load;  in rpm_reg_set_load()
154 	vreg->load = load_uA;  in rpm_reg_set_load()
155 	vreg->load_updated = 1;  in rpm_reg_set_load()
158 		vreg->load = old_load;  in rpm_reg_set_load()
965 	{ "boost-bypass", QCOM_SMD_RPM_BBYB, 1, &pmi8994_bby, "vdd_bst_byp" },
1092 	{ .compatible = "qcom,rpm-mp5496-regulators", .data = &rpm_mp5496_regulators },
1093 	{ .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators },
1094 	{ .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators },
1095 	{ .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators },
1096 	{ .compatible = "qcom,rpm-pm8950-regulators", .data = &rpm_pm8950_regulators },
1097 	{ .compatible = "qcom,rpm-pm8953-regulators", .data = &rpm_pm8953_regulators },
1098 	{ .compatible = "qcom,rpm-pm8994-regulators", .data = &rpm_pm8994_regulators },
1099 	{ .compatible = "qcom,rpm-pm8998-regulators", .data = &rpm_pm8998_regulators },
1100 	{ .compatible = "qcom,rpm-pm660-regulators", .data = &rpm_pm660_regulators },
1101 	{ .compatible = "qcom,rpm-pm660l-regulators", .data = &rpm_pm660l_regulators },
1102 	{ .compatible = "qcom,rpm-pma8084-regulators", .data = &rpm_pma8084_regulators },
1103 	{ .compatible = "qcom,rpm-pmi8994-regulators", .data = &rpm_pmi8994_regulators },
1104 	{ .compatible = "qcom,rpm-pmi8998-regulators", .data = &rpm_pmi8998_regulators },
1105 	{ .compatible = "qcom,rpm-pms405-regulators", .data = &rpm_pms405_regulators },
1117 	struct qcom_smd_rpm *rpm;  in rpm_reg_probe()  local
1119 	rpm = dev_get_drvdata(pdev->dev.parent);  in rpm_reg_probe()
1120 	if (!rpm) {  in rpm_reg_probe()
1121 		dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");  in rpm_reg_probe()
1122 		return -ENODEV;  in rpm_reg_probe()
1125 	match = of_match_device(rpm_of_match, &pdev->dev);  in rpm_reg_probe()
1127 		dev_err(&pdev->dev, "failed to match device\n");  in rpm_reg_probe()
1128 		return -ENODEV;  in rpm_reg_probe()
1131 	for (reg = match->data; reg->name; reg++) {  in rpm_reg_probe()
1132 		vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);  in rpm_reg_probe()
1134 			return -ENOMEM;  in rpm_reg_probe()
1136 		vreg->dev = &pdev->dev;  in rpm_reg_probe()
1137 		vreg->type = reg->type;  in rpm_reg_probe()
1138 		vreg->id = reg->id;  in rpm_reg_probe()
1139 		vreg->rpm = rpm;  in rpm_reg_probe()
1141 		memcpy(&vreg->desc, reg->desc, sizeof(vreg->desc));  in rpm_reg_probe()
1143 		vreg->desc.id = -1;  in rpm_reg_probe()
1144 		vreg->desc.owner = THIS_MODULE;  in rpm_reg_probe()
1145 		vreg->desc.type = REGULATOR_VOLTAGE;  in rpm_reg_probe()
1146 		vreg->desc.name = reg->name;  in rpm_reg_probe()
1147 		vreg->desc.supply_name = reg->supply;  in rpm_reg_probe()
1148 		vreg->desc.of_match = reg->name;  in rpm_reg_probe()
1150 		config.dev = &pdev->dev;  in rpm_reg_probe()
1152 		rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);  in rpm_reg_probe()
1154 			dev_err(&pdev->dev, "failed to register %s\n", reg->name);  in rpm_reg_probe()
1182 MODULE_DESCRIPTION("Qualcomm RPM regulator driver");