* of_parse_own_gpio() - Get a GPIO hog descriptor, names and flags for GPIO API
* @np: device node to get GPIO from
* @chip: GPIO chip whose hog is parsed
+ * @idx: Index of the GPIO to parse
* @name: GPIO line name
* @lflags: gpio_lookup_flags - returned from of_find_gpio() or
* of_parse_own_gpio()
*/
static struct gpio_desc *of_parse_own_gpio(struct device_node *np,
struct gpio_chip *chip,
- const char **name,
+ unsigned int idx, const char **name,
enum gpio_lookup_flags *lflags,
enum gpiod_flags *dflags)
{
enum of_gpio_flags xlate_flags;
struct of_phandle_args gpiospec;
struct gpio_desc *desc;
+ unsigned int i;
u32 tmp;
int ret;
gpiospec.np = chip_np;
gpiospec.args_count = tmp;
- ret = of_property_read_u32_array(np, "gpios", gpiospec.args, tmp);
- if (ret)
- return ERR_PTR(ret);
+ for (i = 0; i < tmp; i++) {
+ ret = of_property_read_u32_index(np, "gpios", idx * tmp + i,
+ &gpiospec.args[i]);
+ if (ret)
+ return ERR_PTR(ret);
+ }
desc = of_xlate_and_get_gpiod_flags(chip, &gpiospec, &xlate_flags);
if (IS_ERR(desc))
const char *name;
enum gpio_lookup_flags lflags;
enum gpiod_flags dflags;
+ unsigned int i;
int ret;
for_each_available_child_of_node(chip->of_node, np) {
if (!of_property_read_bool(np, "gpio-hog"))
continue;
- desc = of_parse_own_gpio(np, chip, &name, &lflags, &dflags);
- if (IS_ERR(desc))
- continue;
+ for (i = 0;; i++) {
+ desc = of_parse_own_gpio(np, chip, i, &name, &lflags,
+ &dflags);
+ if (IS_ERR(desc))
+ break;
- ret = gpiod_hog(desc, name, lflags, dflags);
- if (ret < 0) {
- of_node_put(np);
- return ret;
+ ret = gpiod_hog(desc, name, lflags, dflags);
+ if (ret < 0) {
+ of_node_put(np);
+ return ret;
+ }
}
}