diff options
Diffstat (limited to 'drivers/regulator/gpio-regulator.c')
| -rw-r--r-- | drivers/regulator/gpio-regulator.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 5927d4f3eabd..95e61a2f43f5 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -220,6 +220,9 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np, regtype); } + if (of_find_property(np, "vin-supply", NULL)) + config->input_supply = "vin"; + return config; } @@ -259,6 +262,18 @@ static int gpio_regulator_probe(struct platform_device *pdev) drvdata->gpiods = devm_kzalloc(dev, sizeof(struct gpio_desc *), GFP_KERNEL); + + if (config->input_supply) { + drvdata->desc.supply_name = devm_kstrdup(&pdev->dev, + config->input_supply, + GFP_KERNEL); + if (!drvdata->desc.supply_name) { + dev_err(&pdev->dev, + "Failed to allocate input supply\n"); + return -ENOMEM; + } + } + if (!drvdata->gpiods) return -ENOMEM; for (i = 0; i < config->ngpios; i++) { |