Hi Patrice,

> From: Patrice CHOTARD <patrice.chot...@st.com>
> Sent: vendredi 21 juin 2019 15:39
> 
> Update .bind callback in order to bind all pinctrl subnodes with 
> "gpio-controller"
> property to gpio_stm32 driver.
> 
> Signed-off-by: Patrice Chotard <patrice.chot...@st.com>

Reviewed-by: Patrick Delaunay <patrick.delau...@st.com>

> ---
> 
>  drivers/pinctrl/pinctrl_stm32.c | 32 +++++++++++++++++++++++++++++++-
>  1 file changed, 31 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/pinctrl_stm32.c 
> b/drivers/pinctrl/pinctrl_stm32.c index
> 43dbdd9d6a..e2e7be01ed 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),
>  };
> --
> 2.17.1

Regards
Patrick
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