regulator: fixed: dt: support for input supply
Add support for input supply in DT parsing of node.
The input supply will be provided by the property
"vin-supply" in the regulator node.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 1a0b17e..185468c 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -102,6 +102,9 @@
if (of_find_property(np, "gpio-open-drain", NULL))
config->gpio_is_open_drain = true;
+ if (of_find_property(np, "vin-supply", NULL))
+ config->input_supply = "vin";
+
return config;
}
@@ -169,6 +172,17 @@
drvdata->desc.enable_time = config->startup_delay;
+ if (config->input_supply) {
+ drvdata->desc.supply_name = kstrdup(config->input_supply,
+ GFP_KERNEL);
+ if (!drvdata->desc.supply_name) {
+ dev_err(&pdev->dev,
+ "Failed to allocate input supply\n");
+ ret = -ENOMEM;
+ goto err_name;
+ }
+ }
+
if (config->microvolts)
drvdata->desc.n_voltages = 1;
@@ -202,7 +216,7 @@
if (IS_ERR(drvdata->dev)) {
ret = PTR_ERR(drvdata->dev);
dev_err(&pdev->dev, "Failed to register regulator: %d\n", ret);
- goto err_name;
+ goto err_input;
}
platform_set_drvdata(pdev, drvdata);
@@ -212,6 +226,8 @@
return 0;
+err_input:
+ kfree(drvdata->desc.supply_name);
err_name:
kfree(drvdata->desc.name);
err:
@@ -223,6 +239,7 @@
struct fixed_voltage_data *drvdata = platform_get_drvdata(pdev);
regulator_unregister(drvdata->dev);
+ kfree(drvdata->desc.supply_name);
kfree(drvdata->desc.name);
return 0;