+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
+#define LOG_CATEGORY UCLASS_LED
+
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <led.h>
+#include <dm/device-internal.h>
#include <dm/root.h>
#include <dm/uclass-internal.h>
if (ret)
return ret;
uclass_foreach_dev(dev, uc) {
- struct led_uc_plat *uc_plat = dev_get_uclass_platdata(dev);
+ struct led_uc_plat *uc_plat = dev_get_uclass_plat(dev);
/* Ignore the top-level LED node */
if (uc_plat->label && !strcmp(label, uc_plat->label))
}
#endif
+static int led_post_bind(struct udevice *dev)
+{
+ struct led_uc_plat *uc_plat = dev_get_uclass_plat(dev);
+ const char *default_state;
+
+ uc_plat->label = dev_read_string(dev, "label");
+ if (!uc_plat->label)
+ uc_plat->label = ofnode_get_name(dev_ofnode(dev));
+
+ uc_plat->default_state = LEDST_COUNT;
+
+ default_state = dev_read_string(dev, "default-state");
+ if (!default_state)
+ return 0;
+
+ if (!strncmp(default_state, "on", 2))
+ uc_plat->default_state = LEDST_ON;
+ else if (!strncmp(default_state, "off", 3))
+ uc_plat->default_state = LEDST_OFF;
+ else
+ return 0;
+
+ /*
+ * In case the LED has default-state DT property, trigger
+ * probe() to configure its default state during startup.
+ */
+ dev_or_flags(dev, DM_FLAG_PROBE_AFTER_BIND);
+
+ return 0;
+}
+
+static int led_post_probe(struct udevice *dev)
+{
+ struct led_uc_plat *uc_plat = dev_get_uclass_plat(dev);
+
+ if (uc_plat->default_state == LEDST_ON ||
+ uc_plat->default_state == LEDST_OFF)
+ led_set_state(dev, uc_plat->default_state);
+
+ return 0;
+}
+
UCLASS_DRIVER(led) = {
.id = UCLASS_LED,
.name = "led",
- .per_device_platdata_auto_alloc_size = sizeof(struct led_uc_plat),
+ .per_device_plat_auto = sizeof(struct led_uc_plat),
+ .post_bind = led_post_bind,
+ .post_probe = led_post_probe,
};