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>
48 	if (vreg->enabled_updated) {  in rpm_reg_write_active()
51 		req[reqlen].value = cpu_to_le32(vreg->is_enabled);  in rpm_reg_write_active()
55 	if (vreg->uv_updated && vreg->is_enabled) {  in rpm_reg_write_active()
58 		req[reqlen].value = cpu_to_le32(vreg->uV);  in rpm_reg_write_active()
62 	if (vreg->load_updated && vreg->is_enabled) {  in rpm_reg_write_active()
65 		req[reqlen].value = cpu_to_le32(vreg->load / 1000);  in rpm_reg_write_active()
73 				 vreg->type, vreg->id,  in rpm_reg_write_active()
76 		vreg->enabled_updated = 0;  in rpm_reg_write_active()
77 		vreg->uv_updated = 0;  in rpm_reg_write_active()
78 		vreg->load_updated = 0;  in rpm_reg_write_active()
89 	vreg->is_enabled = 1;  in rpm_reg_enable()
90 	vreg->enabled_updated = 1;  in rpm_reg_enable()
94 		vreg->is_enabled = 0;  in rpm_reg_enable()
103 	return vreg->is_enabled;  in rpm_reg_is_enabled()
111 	vreg->is_enabled = 0;  in rpm_reg_disable()
112 	vreg->enabled_updated = 1;  in rpm_reg_disable()
116 		vreg->is_enabled = 1;  in rpm_reg_disable()
125 	return vreg->uV;  in rpm_reg_get_voltage()
135 	int old_uV = vreg->uV;  in rpm_reg_set_voltage()
137 	vreg->uV = min_uV;  in rpm_reg_set_voltage()
138 	vreg->uv_updated = 1;  in rpm_reg_set_voltage()
142 		vreg->uV = old_uV;  in rpm_reg_set_voltage()
150 	u32 old_load = vreg->load;  in rpm_reg_set_load()
153 	vreg->load = load_uA;  in rpm_reg_set_load()
154 	vreg->load_updated = 1;  in rpm_reg_set_load()
157 		vreg->load = old_load;  in rpm_reg_set_load()
1020 	/* S5 - S6 are managed by SPMI */
1310 	{ "boost-bypass", QCOM_SMD_RPM_BBYB, 1, &pmi8994_bby, "vdd_bst_byp" },
1356 	{ .compatible = "qcom,rpm-mp5496-regulators", .data = &rpm_mp5496_regulators },
1357 	{ .compatible = "qcom,rpm-pm2250-regulators", .data = &rpm_pm2250_regulators },
1358 	{ .compatible = "qcom,rpm-pm6125-regulators", .data = &rpm_pm6125_regulators },
1359 	{ .compatible = "qcom,rpm-pm660-regulators", .data = &rpm_pm660_regulators },
1360 	{ .compatible = "qcom,rpm-pm660l-regulators", .data = &rpm_pm660l_regulators },
1361 	{ .compatible = "qcom,rpm-pm8226-regulators", .data = &rpm_pm8226_regulators },
1362 	{ .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators },
1363 	{ .compatible = "qcom,rpm-pm8909-regulators", .data = &rpm_pm8909_regulators },
1364 	{ .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators },
1365 	{ .compatible = "qcom,rpm-pm8937-regulators", .data = &rpm_pm8937_regulators },
1366 	{ .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators },
1367 	{ .compatible = "qcom,rpm-pm8950-regulators", .data = &rpm_pm8950_regulators },
1368 	{ .compatible = "qcom,rpm-pm8953-regulators", .data = &rpm_pm8953_regulators },
1369 	{ .compatible = "qcom,rpm-pm8994-regulators", .data = &rpm_pm8994_regulators },
1370 	{ .compatible = "qcom,rpm-pm8998-regulators", .data = &rpm_pm8998_regulators },
1371 	{ .compatible = "qcom,rpm-pma8084-regulators", .data = &rpm_pma8084_regulators },
1372 	{ .compatible = "qcom,rpm-pmi8994-regulators", .data = &rpm_pmi8994_regulators },
1373 	{ .compatible = "qcom,rpm-pmi8998-regulators", .data = &rpm_pmi8998_regulators },
1374 	{ .compatible = "qcom,rpm-pmr735a-regulators", .data = &rpm_pmr735a_regulators },
1375 	{ .compatible = "qcom,rpm-pms405-regulators", .data = &rpm_pms405_regulators },
1381  * rpm_regulator_init_vreg() - initialize all attributes of a qcom_smd-regulator
1382  * @vreg:		Pointer to the individual qcom_smd-regulator resource
1383  * @dev:		Pointer to the top level qcom_smd-regulator PMIC device
1384  * @node:		Pointer to the individual qcom_smd-regulator resource
1386  * @pmic_rpm_data:	Pointer to a null-terminated array of qcom_smd-regulator
1400 	for (rpm_data = pmic_rpm_data; rpm_data->name; rpm_data++)  in rpm_regulator_init_vreg()
1401 		if (of_node_name_eq(node, rpm_data->name))  in rpm_regulator_init_vreg()
1404 	if (!rpm_data->name) {  in rpm_regulator_init_vreg()
1406 		return -EINVAL;  in rpm_regulator_init_vreg()
1409 	vreg->dev	= dev;  in rpm_regulator_init_vreg()
1410 	vreg->type	= rpm_data->type;  in rpm_regulator_init_vreg()
1411 	vreg->id	= rpm_data->id;  in rpm_regulator_init_vreg()
1413 	memcpy(&vreg->desc, rpm_data->desc, sizeof(vreg->desc));  in rpm_regulator_init_vreg()
1414 	vreg->desc.name = rpm_data->name;  in rpm_regulator_init_vreg()
1415 	vreg->desc.supply_name = rpm_data->supply;  in rpm_regulator_init_vreg()
1416 	vreg->desc.owner = THIS_MODULE;  in rpm_regulator_init_vreg()
1417 	vreg->desc.type = REGULATOR_VOLTAGE;  in rpm_regulator_init_vreg()
1418 	vreg->desc.of_match = rpm_data->name;  in rpm_regulator_init_vreg()
1424 	rdev = devm_regulator_register(dev, &vreg->desc, &config);  in rpm_regulator_init_vreg()
1436 	struct device *dev = &pdev->dev;  in rpm_reg_probe()
1439 	struct qcom_smd_rpm *rpm;  in rpm_reg_probe()  local
1442 	rpm = dev_get_drvdata(pdev->dev.parent);  in rpm_reg_probe()
1443 	if (!rpm) {  in rpm_reg_probe()
1444 		dev_err(&pdev->dev, "Unable to retrieve handle to rpm\n");  in rpm_reg_probe()
1445 		return -ENODEV;  in rpm_reg_probe()
1448 	if (smd_vreg_rpm && rpm != smd_vreg_rpm)  in rpm_reg_probe()
1449 		return dev_err_probe(dev, -EINVAL, "RPM mismatch\n");  in rpm_reg_probe()
1451 	smd_vreg_rpm = rpm;  in rpm_reg_probe()
1455 		return -ENODEV;  in rpm_reg_probe()
1457 	for_each_available_child_of_node_scoped(dev->of_node, node) {  in rpm_reg_probe()
1458 		vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);  in rpm_reg_probe()
1460 			return -ENOMEM;  in rpm_reg_probe()
1491 MODULE_DESCRIPTION("Qualcomm RPM regulator driver");