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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