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pinctrl: stm32: update .bind callback

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Update .bind callback in order to bind all pinctrl subnodes
with "gpio-controller" property to gpio_stm32 driver.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrice Chotard
2019-06-21 15:39:23 +02:00
committed by Patrick Delaunay
parent 95fbdd1ad8
commit 158abbf57b
1 changed files with 31 additions and 1 deletions
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32
drivers/pinctrl/pinctrl_stm32.c
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@@ -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),
};