GPIOs can be given names with the gpio-line-names device tree property. This patch adds support for it. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- drivers/gpio/gpiolib.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 057cea43cc..9764ddf0f0 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -428,11 +428,25 @@ static int of_hog_gpio(struct device_node *np, struct gpio_chip *chip, static int of_gpiochip_scan_hogs(struct gpio_chip *chip) { struct device_node *np; - int ret, i; + int ret, i, count; if (!IS_ENABLED(CONFIG_OFDEVICE) || !chip->dev->device_node) return 0; + count = of_property_count_strings(chip->dev->device_node, "gpio-line-names"); + + if (count > 0) { + const char **arr = xzalloc(count * sizeof(char *)); + + of_property_read_string_array(chip->dev->device_node, + "gpio-line-names", arr, count); + + for (i = 0; i < chip->ngpio && i < count; i++) + gpio_desc[chip->base + i].name = xstrdup(arr[i]); + + free(arr); + } + for_each_available_child_of_node(chip->dev->device_node, np) { if (!of_property_read_bool(np, "gpio-hog")) continue; -- 2.24.0 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox