mtd: spinand: toshiba: Support for new Kioxia Serial NAND
[oweals/u-boot.git] / drivers / pinctrl / pinctrl_stm32.c
index 24affe0414cef93be6f35d881c72d74e0ca762e1..fc241fdcdef9d89cc4bbb37b3f867eb7f8a2e868 100644 (file)
@@ -1,10 +1,17 @@
 #include <common.h>
 #include <dm.h>
-#include <dm/pinctrl.h>
 #include <hwspinlock.h>
+#include <log.h>
+#include <malloc.h>
 #include <asm/arch/gpio.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
+#include <dm/pinctrl.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/libfdt.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -136,7 +143,7 @@ static struct udevice *stm32_pinctrl_get_gpio_dev(struct udevice *dev,
                         */
                        *idx = stm32_offset_to_index(gpio_bank->gpio_dev,
                                                     selector - pin_count);
-                       if (*idx < 0)
+                       if (IS_ERR_VALUE(*idx))
                                return NULL;
 
                        return gpio_bank->gpio_dev;
@@ -215,7 +222,7 @@ static int stm32_pinctrl_get_pin_muxing(struct udevice *dev,
 
 #endif
 
-int stm32_pinctrl_probe(struct udevice *dev)
+static int stm32_pinctrl_probe(struct udevice *dev)
 {
        struct stm32_pinctrl_priv *priv = dev_get_priv(dev);
        int ret;
@@ -364,6 +371,35 @@ 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)
 {
@@ -421,6 +457,7 @@ static const struct udevice_id stm32_pinctrl_ids[] = {
        { .compatible = "st,stm32f429-pinctrl" },
        { .compatible = "st,stm32f469-pinctrl" },
        { .compatible = "st,stm32f746-pinctrl" },
+       { .compatible = "st,stm32f769-pinctrl" },
        { .compatible = "st,stm32h743-pinctrl" },
        { .compatible = "st,stm32mp157-pinctrl" },
        { .compatible = "st,stm32mp157-z-pinctrl" },
@@ -432,7 +469,7 @@ 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),
 };