diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl_stm32.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl_stm32.c b/drivers/pinctrl/pinctrl_stm32.c index a59b8ca57a..cdbe463cff 100644 --- a/drivers/pinctrl/pinctrl_stm32.c +++ b/drivers/pinctrl/pinctrl_stm32.c @@ -1,5 +1,6 @@ #include <common.h> #include <dm.h> +#include <dm/lists.h> #include <dm/pinctrl.h> #include <hwspinlock.h> #include <asm/arch/gpio.h> @@ -364,6 +365,35 @@ static int stm32_pinctrl_config(int offset) return 0; } +static int stm32_pinctrl_bind(struct udevice *dev) +{ + ofnode node; + const char *name; + int ret; + + dev_for_each_subnode(node, dev) { + debug("%s: bind %s\n", __func__, ofnode_get_name(node)); + + ofnode_get_property(node, "gpio-controller", &ret); + if (ret < 0) + continue; + /* Get the name of each gpio node */ + name = ofnode_get_name(node); + if (!name) + return -EINVAL; + + /* Bind each gpio node */ + ret = device_bind_driver_to_node(dev, "gpio_stm32", + name, node, NULL); + if (ret) + return ret; + + debug("%s: bind %s\n", __func__, name); + } + + return 0; +} + #if CONFIG_IS_ENABLED(PINCTRL_FULL) static int stm32_pinctrl_set_state(struct udevice *dev, struct udevice *config) { @@ -433,7 +463,7 @@ U_BOOT_DRIVER(pinctrl_stm32) = { .id = UCLASS_PINCTRL, .of_match = stm32_pinctrl_ids, .ops = &stm32_pinctrl_ops, - .bind = dm_scan_fdt_dev, + .bind = stm32_pinctrl_bind, .probe = stm32_pinctrl_probe, .priv_auto_alloc_size = sizeof(struct stm32_pinctrl_priv), }; |