return vreg->is_enabled;
}
+static int rpm_reg_set_load(struct regulator_dev *rdev, int load_uA)
+{
+ struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
+ const struct rpm_reg_parts *parts = vreg->parts;
+ const struct request_member *req = &parts->ia;
+ int load_mA = load_uA / 1000;
+ int max_mA = req->mask >> req->shift;
+ int ret;
+
+ if (req->mask == 0)
+ return -EINVAL;
+
+ if (load_mA > max_mA)
+ load_mA = max_mA;
+
+ mutex_lock(&vreg->lock);
+ ret = rpm_reg_write(vreg, req, load_mA);
+ mutex_unlock(&vreg->lock);
+
+ return ret;
+}
+
static struct regulator_ops uV_ops = {
.list_voltage = regulator_list_voltage_linear_range,
.enable = rpm_reg_uV_enable,
.disable = rpm_reg_uV_disable,
.is_enabled = rpm_reg_is_enabled,
+
+ .set_load = rpm_reg_set_load,
};
static struct regulator_ops mV_ops = {
.enable = rpm_reg_mV_enable,
.disable = rpm_reg_mV_disable,
.is_enabled = rpm_reg_is_enabled,
+
+ .set_load = rpm_reg_set_load,
};
static struct regulator_ops switch_ops = {
.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 },
- { .compatible = "qcom,rpm-pm8058-smps", .data = &pm8058_smps },
- { .compatible = "qcom,rpm-pm8058-ncp", .data = &pm8058_ncp },
- { .compatible = "qcom,rpm-pm8058-switch", .data = &pm8058_switch },
-
- { .compatible = "qcom,rpm-pm8901-pldo", .data = &pm8901_pldo },
- { .compatible = "qcom,rpm-pm8901-nldo", .data = &pm8901_nldo },
- { .compatible = "qcom,rpm-pm8901-ftsmps", .data = &pm8901_ftsmps },
- { .compatible = "qcom,rpm-pm8901-switch", .data = &pm8901_switch },
-
- { .compatible = "qcom,rpm-pm8921-pldo", .data = &pm8921_pldo },
- { .compatible = "qcom,rpm-pm8921-nldo", .data = &pm8921_nldo },
- { .compatible = "qcom,rpm-pm8921-nldo1200", .data = &pm8921_nldo1200 },
- { .compatible = "qcom,rpm-pm8921-smps", .data = &pm8921_smps },
- { .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);
-
static int rpm_reg_set(struct qcom_rpm_reg *vreg,
const struct request_member *req,
const int value)
return 0;
}
-static int rpm_reg_of_parse_freq(struct device *dev, struct qcom_rpm_reg *vreg)
+static int rpm_reg_of_parse_freq(struct device *dev,
+ struct device_node *node,
+ struct qcom_rpm_reg *vreg)
{
static const int freq_table[] = {
19200000, 9600000, 6400000, 4800000, 3840000, 3200000, 2740000,
int i;
key = "qcom,switch-mode-frequency";
- ret = of_property_read_u32(dev->of_node, key, &freq);
+ ret = of_property_read_u32(node, key, &freq);
if (ret) {
dev_err(dev, "regulator requires %s property\n", key);
return -EINVAL;
return -EINVAL;
}
-static int rpm_reg_probe(struct platform_device *pdev)
+static int rpm_reg_of_parse(struct device_node *node,
+ const struct regulator_desc *desc,
+ struct regulator_config *config)
{
- struct regulator_init_data *initdata;
- const struct qcom_rpm_reg *template;
- const struct of_device_id *match;
- struct regulator_config config = { };
- struct regulator_dev *rdev;
- struct qcom_rpm_reg *vreg;
+ struct qcom_rpm_reg *vreg = config->driver_data;
+ struct device *dev = config->dev;
const char *key;
u32 force_mode;
bool pwm;
u32 val;
int ret;
- match = of_match_device(rpm_of_match, &pdev->dev);
- template = match->data;
-
- vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
- if (!vreg) {
- dev_err(&pdev->dev, "failed to allocate vreg\n");
- return -ENOMEM;
- }
- memcpy(vreg, template, sizeof(*vreg));
- mutex_init(&vreg->lock);
- vreg->dev = &pdev->dev;
- vreg->desc.id = -1;
- vreg->desc.owner = THIS_MODULE;
- vreg->desc.type = REGULATOR_VOLTAGE;
- vreg->desc.name = pdev->dev.of_node->name;
- vreg->desc.supply_name = "vin";
-
- vreg->rpm = dev_get_drvdata(pdev->dev.parent);
- if (!vreg->rpm) {
- dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");
- return -ENODEV;
- }
-
- initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
- &vreg->desc);
- if (!initdata)
- return -EINVAL;
-
- key = "reg";
- ret = of_property_read_u32(pdev->dev.of_node, key, &val);
- if (ret) {
- dev_err(&pdev->dev, "failed to read %s\n", key);
- return ret;
- }
- vreg->resource = val;
-
- if ((vreg->parts->uV.mask || vreg->parts->mV.mask) &&
- (!initdata->constraints.min_uV || !initdata->constraints.max_uV)) {
- dev_err(&pdev->dev, "no voltage specified for regulator\n");
- return -EINVAL;
- }
-
key = "bias-pull-down";
- if (of_property_read_bool(pdev->dev.of_node, key)) {
+ if (of_property_read_bool(node, key)) {
ret = rpm_reg_set(vreg, &vreg->parts->pd, 1);
if (ret) {
- dev_err(&pdev->dev, "%s is invalid", key);
+ dev_err(dev, "%s is invalid", key);
return ret;
}
}
if (vreg->parts->freq.mask) {
- ret = rpm_reg_of_parse_freq(&pdev->dev, vreg);
+ ret = rpm_reg_of_parse_freq(dev, node, vreg);
if (ret < 0)
return ret;
}
if (vreg->parts->pm.mask) {
key = "qcom,power-mode-hysteretic";
- pwm = !of_property_read_bool(pdev->dev.of_node, key);
+ pwm = !of_property_read_bool(node, key);
ret = rpm_reg_set(vreg, &vreg->parts->pm, pwm);
if (ret) {
- dev_err(&pdev->dev, "failed to set power mode\n");
+ dev_err(dev, "failed to set power mode\n");
return ret;
}
}
force_mode = -1;
key = "qcom,force-mode";
- ret = of_property_read_u32(pdev->dev.of_node, key, &val);
+ ret = of_property_read_u32(node, key, &val);
if (ret == -EINVAL) {
val = QCOM_RPM_FORCE_MODE_NONE;
} else if (ret < 0) {
- dev_err(&pdev->dev, "failed to read %s\n", key);
+ dev_err(dev, "failed to read %s\n", key);
return ret;
}
}
if (force_mode == -1) {
- dev_err(&pdev->dev, "invalid force mode\n");
+ dev_err(dev, "invalid force mode\n");
return -EINVAL;
}
ret = rpm_reg_set(vreg, &vreg->parts->fm, force_mode);
if (ret) {
- dev_err(&pdev->dev, "failed to set force mode\n");
+ dev_err(dev, "failed to set force mode\n");
return ret;
}
}
- config.dev = &pdev->dev;
- config.init_data = initdata;
- config.driver_data = vreg;
- config.of_node = pdev->dev.of_node;
- rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);
- if (IS_ERR(rdev)) {
- dev_err(&pdev->dev, "can't register regulator\n");
- return PTR_ERR(rdev);
+ return 0;
+}
+
+struct rpm_regulator_data {
+ const char *name;
+ int resource;
+ const struct qcom_rpm_reg *template;
+ const char *supply;
+};
+
+static const struct rpm_regulator_data rpm_pm8058_regulators[] = {
+ { "l0", QCOM_RPM_PM8058_LDO0, &pm8058_nldo, "vdd_l0_l1_lvs" },
+ { "l1", QCOM_RPM_PM8058_LDO1, &pm8058_nldo, "vdd_l0_l1_lvs" },
+ { "l2", QCOM_RPM_PM8058_LDO2, &pm8058_pldo, "vdd_l2_l11_l12" },
+ { "l3", QCOM_RPM_PM8058_LDO3, &pm8058_pldo, "vdd_l3_l4_l5" },
+ { "l4", QCOM_RPM_PM8058_LDO4, &pm8058_pldo, "vdd_l3_l4_l5" },
+ { "l5", QCOM_RPM_PM8058_LDO5, &pm8058_pldo, "vdd_l3_l4_l5" },
+ { "l6", QCOM_RPM_PM8058_LDO6, &pm8058_pldo, "vdd_l6_l7" },
+ { "l7", QCOM_RPM_PM8058_LDO7, &pm8058_pldo, "vdd_l6_l7" },
+ { "l8", QCOM_RPM_PM8058_LDO8, &pm8058_pldo, "vdd_l8" },
+ { "l9", QCOM_RPM_PM8058_LDO9, &pm8058_pldo, "vdd_l9" },
+ { "l10", QCOM_RPM_PM8058_LDO10, &pm8058_pldo, "vdd_l10" },
+ { "l11", QCOM_RPM_PM8058_LDO11, &pm8058_pldo, "vdd_l2_l11_l12" },
+ { "l12", QCOM_RPM_PM8058_LDO12, &pm8058_pldo, "vdd_l2_l11_l12" },
+ { "l13", QCOM_RPM_PM8058_LDO13, &pm8058_pldo, "vdd_l13_l16" },
+ { "l14", QCOM_RPM_PM8058_LDO14, &pm8058_pldo, "vdd_l14_l15" },
+ { "l15", QCOM_RPM_PM8058_LDO15, &pm8058_pldo, "vdd_l14_l15" },
+ { "l16", QCOM_RPM_PM8058_LDO16, &pm8058_pldo, "vdd_l13_l16" },
+ { "l17", QCOM_RPM_PM8058_LDO17, &pm8058_pldo, "vdd_l17_l18" },
+ { "l18", QCOM_RPM_PM8058_LDO18, &pm8058_pldo, "vdd_l17_l18" },
+ { "l19", QCOM_RPM_PM8058_LDO19, &pm8058_pldo, "vdd_l19_l20" },
+ { "l20", QCOM_RPM_PM8058_LDO20, &pm8058_pldo, "vdd_l19_l20" },
+ { "l21", QCOM_RPM_PM8058_LDO21, &pm8058_nldo, "vdd_l21" },
+ { "l22", QCOM_RPM_PM8058_LDO22, &pm8058_nldo, "vdd_l22" },
+ { "l23", QCOM_RPM_PM8058_LDO23, &pm8058_nldo, "vdd_l23_l24_l25" },
+ { "l24", QCOM_RPM_PM8058_LDO24, &pm8058_nldo, "vdd_l23_l24_l25" },
+ { "l25", QCOM_RPM_PM8058_LDO25, &pm8058_nldo, "vdd_l23_l24_l25" },
+
+ { "s0", QCOM_RPM_PM8058_SMPS0, &pm8058_smps, "vdd_s0" },
+ { "s1", QCOM_RPM_PM8058_SMPS1, &pm8058_smps, "vdd_s1" },
+ { "s2", QCOM_RPM_PM8058_SMPS2, &pm8058_smps, "vdd_s2" },
+ { "s3", QCOM_RPM_PM8058_SMPS3, &pm8058_smps, "vdd_s3" },
+ { "s4", QCOM_RPM_PM8058_SMPS4, &pm8058_smps, "vdd_s4" },
+
+ { "lvs0", QCOM_RPM_PM8058_LVS0, &pm8058_switch, "vdd_l0_l1_lvs" },
+ { "lvs1", QCOM_RPM_PM8058_LVS1, &pm8058_switch, "vdd_l0_l1_lvs" },
+
+ { "ncp", QCOM_RPM_PM8058_NCP, &pm8058_ncp, "vdd_ncp" },
+ { }
+};
+
+static const struct rpm_regulator_data rpm_pm8901_regulators[] = {
+ { "l0", QCOM_RPM_PM8901_LDO0, &pm8901_nldo, "vdd_l0" },
+ { "l1", QCOM_RPM_PM8901_LDO1, &pm8901_pldo, "vdd_l1" },
+ { "l2", QCOM_RPM_PM8901_LDO2, &pm8901_pldo, "vdd_l2" },
+ { "l3", QCOM_RPM_PM8901_LDO3, &pm8901_pldo, "vdd_l3" },
+ { "l4", QCOM_RPM_PM8901_LDO4, &pm8901_pldo, "vdd_l4" },
+ { "l5", QCOM_RPM_PM8901_LDO5, &pm8901_pldo, "vdd_l5" },
+ { "l6", QCOM_RPM_PM8901_LDO6, &pm8901_pldo, "vdd_l6" },
+
+ { "s0", QCOM_RPM_PM8901_SMPS0, &pm8901_ftsmps, "vdd_s0" },
+ { "s1", QCOM_RPM_PM8901_SMPS1, &pm8901_ftsmps, "vdd_s1" },
+ { "s2", QCOM_RPM_PM8901_SMPS2, &pm8901_ftsmps, "vdd_s2" },
+ { "s3", QCOM_RPM_PM8901_SMPS3, &pm8901_ftsmps, "vdd_s3" },
+ { "s4", QCOM_RPM_PM8901_SMPS4, &pm8901_ftsmps, "vdd_s4" },
+
+ { "lvs0", QCOM_RPM_PM8901_LVS0, &pm8901_switch, "lvs0_in" },
+ { "lvs1", QCOM_RPM_PM8901_LVS1, &pm8901_switch, "lvs1_in" },
+ { "lvs2", QCOM_RPM_PM8901_LVS2, &pm8901_switch, "lvs2_in" },
+ { "lvs3", QCOM_RPM_PM8901_LVS3, &pm8901_switch, "lvs3_in" },
+
+ { "mvs", QCOM_RPM_PM8901_MVS, &pm8901_switch, "mvs_in" },
+ { }
+};
+
+static const struct rpm_regulator_data rpm_pm8921_regulators[] = {
+ { "s1", QCOM_RPM_PM8921_SMPS1, &pm8921_smps, "vdd_s1" },
+ { "s2", QCOM_RPM_PM8921_SMPS2, &pm8921_smps, "vdd_s2" },
+ { "s3", QCOM_RPM_PM8921_SMPS3, &pm8921_smps },
+ { "s4", QCOM_RPM_PM8921_SMPS4, &pm8921_smps, "vdd_s4" },
+ { "s7", QCOM_RPM_PM8921_SMPS7, &pm8921_smps, "vdd_s7" },
+ { "s8", QCOM_RPM_PM8921_SMPS8, &pm8921_smps, "vdd_s8" },
+
+ { "l1", QCOM_RPM_PM8921_LDO1, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l2", QCOM_RPM_PM8921_LDO2, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l3", QCOM_RPM_PM8921_LDO3, &pm8921_pldo, "vdd_l3_l15_l17" },
+ { "l4", QCOM_RPM_PM8921_LDO4, &pm8921_pldo, "vdd_l4_l14" },
+ { "l5", QCOM_RPM_PM8921_LDO5, &pm8921_pldo, "vdd_l5_l8_l16" },
+ { "l6", QCOM_RPM_PM8921_LDO6, &pm8921_pldo, "vdd_l6_l7" },
+ { "l7", QCOM_RPM_PM8921_LDO7, &pm8921_pldo, "vdd_l6_l7" },
+ { "l8", QCOM_RPM_PM8921_LDO8, &pm8921_pldo, "vdd_l5_l8_l16" },
+ { "l9", QCOM_RPM_PM8921_LDO9, &pm8921_pldo, "vdd_l9_l11" },
+ { "l10", QCOM_RPM_PM8921_LDO10, &pm8921_pldo, "vdd_l10_l22" },
+ { "l11", QCOM_RPM_PM8921_LDO11, &pm8921_pldo, "vdd_l9_l11" },
+ { "l12", QCOM_RPM_PM8921_LDO12, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l14", QCOM_RPM_PM8921_LDO14, &pm8921_pldo, "vdd_l4_l14" },
+ { "l15", QCOM_RPM_PM8921_LDO15, &pm8921_pldo, "vdd_l3_l15_l17" },
+ { "l16", QCOM_RPM_PM8921_LDO16, &pm8921_pldo, "vdd_l5_l8_l16" },
+ { "l17", QCOM_RPM_PM8921_LDO17, &pm8921_pldo, "vdd_l3_l15_l17" },
+ { "l18", QCOM_RPM_PM8921_LDO18, &pm8921_nldo, "vdd_l1_l2_l12_l18" },
+ { "l21", QCOM_RPM_PM8921_LDO21, &pm8921_pldo, "vdd_l21_l23_l29" },
+ { "l22", QCOM_RPM_PM8921_LDO22, &pm8921_pldo, "vdd_l10_l22" },
+ { "l23", QCOM_RPM_PM8921_LDO23, &pm8921_pldo, "vdd_l21_l23_l29" },
+ { "l24", QCOM_RPM_PM8921_LDO24, &pm8921_nldo1200, "vdd_l24" },
+ { "l25", QCOM_RPM_PM8921_LDO25, &pm8921_nldo1200, "vdd_l25" },
+ { "l26", QCOM_RPM_PM8921_LDO26, &pm8921_nldo1200, "vdd_l26" },
+ { "l27", QCOM_RPM_PM8921_LDO27, &pm8921_nldo1200, "vdd_l27" },
+ { "l28", QCOM_RPM_PM8921_LDO28, &pm8921_nldo1200, "vdd_l28" },
+ { "l29", QCOM_RPM_PM8921_LDO29, &pm8921_pldo, "vdd_l21_l23_l29" },
+
+ { "lvs1", QCOM_RPM_PM8921_LVS1, &pm8921_switch, "vin_lvs1_3_6" },
+ { "lvs2", QCOM_RPM_PM8921_LVS2, &pm8921_switch, "vin_lvs2" },
+ { "lvs3", QCOM_RPM_PM8921_LVS3, &pm8921_switch, "vin_lvs1_3_6" },
+ { "lvs4", QCOM_RPM_PM8921_LVS4, &pm8921_switch, "vin_lvs4_5_7" },
+ { "lvs5", QCOM_RPM_PM8921_LVS5, &pm8921_switch, "vin_lvs4_5_7" },
+ { "lvs6", QCOM_RPM_PM8921_LVS6, &pm8921_switch, "vin_lvs1_3_6" },
+ { "lvs7", QCOM_RPM_PM8921_LVS7, &pm8921_switch, "vin_lvs4_5_7" },
+
+ { "usb-switch", QCOM_RPM_USB_OTG_SWITCH, &pm8921_switch, "vin_5vs" },
+ { "hdmi-switch", QCOM_RPM_HDMI_SWITCH, &pm8921_switch, "vin_5vs" },
+ { "ncp", QCOM_RPM_PM8921_NCP, &pm8921_ncp, "vdd_ncp" },
+ { }
+};
+
+static const struct of_device_id rpm_of_match[] = {
+ { .compatible = "qcom,rpm-pm8058-regulators", .data = &rpm_pm8058_regulators },
+ { .compatible = "qcom,rpm-pm8901-regulators", .data = &rpm_pm8901_regulators },
+ { .compatible = "qcom,rpm-pm8921-regulators", .data = &rpm_pm8921_regulators },
+ { }
+};
+MODULE_DEVICE_TABLE(of, rpm_of_match);
+
+static int rpm_reg_probe(struct platform_device *pdev)
+{
+ const struct rpm_regulator_data *reg;
+ const struct of_device_id *match;
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+ struct qcom_rpm_reg *vreg;
+ struct qcom_rpm *rpm;
+
+ rpm = dev_get_drvdata(pdev->dev.parent);
+ if (!rpm) {
+ dev_err(&pdev->dev, "unable to retrieve handle to rpm\n");
+ return -ENODEV;
+ }
+
+ match = of_match_device(rpm_of_match, &pdev->dev);
+ for (reg = match->data; reg->name; reg++) {
+ vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
+ if (!vreg)
+ return -ENOMEM;
+
+ memcpy(vreg, reg->template, sizeof(*vreg));
+ mutex_init(&vreg->lock);
+
+ vreg->dev = &pdev->dev;
+ vreg->resource = reg->resource;
+ vreg->rpm = rpm;
+
+ vreg->desc.id = -1;
+ vreg->desc.owner = THIS_MODULE;
+ vreg->desc.type = REGULATOR_VOLTAGE;
+ vreg->desc.name = reg->name;
+ vreg->desc.supply_name = reg->supply;
+ vreg->desc.of_match = reg->name;
+ vreg->desc.of_parse_cb = rpm_reg_of_parse;
+
+ config.dev = &pdev->dev;
+ config.driver_data = vreg;
+ rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register %s\n", reg->name);
+ return PTR_ERR(rdev);
+ }
}
return 0;
projects / cascardo / linux.git / blobdiff