diff options
Diffstat (limited to 'drivers/gpio/gpio-uclass.c')
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index 125ae53d612..be00a1f7d87 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -1187,6 +1187,32 @@ int gpio_request_by_name(struct udevice *dev, const char *list_name, int index, index, desc, flags, index > 0, NULL); } +int gpio_request_by_line_name(struct udevice *dev, const char *line_name, + struct gpio_desc *desc, int flags) +{ + int ret; + + ret = dev_read_stringlist_search(dev, "gpio-line-names", line_name); + if (ret < 0) + return ret; + + desc->dev = dev; + desc->offset = ret; + desc->flags = 0; + + ret = dm_gpio_request(desc, line_name); + if (ret) { + debug("%s: dm_gpio_requestf failed\n", __func__); + return ret; + } + + ret = dm_gpio_set_dir_flags(desc, flags | desc->flags); + if (ret) + debug("%s: dm_gpio_set_dir failed\n", __func__); + + return ret; +} + int gpio_request_list_by_name_nodev(ofnode node, const char *list_name, struct gpio_desc *desc, int max_count, int flags) |