spi: xilinx_spi: Added support to read JEDEC-id twice at the boot time

[u-boot] / drivers / led / led_gpio.c

diff --git a/drivers/led/led_gpio.c b/drivers/led/led_gpio.c
index 5e0c524aecf7b08d2151c81d2d6d7b05b67ff228..a36942b9348bdad938f8478cd91be17931dab499 100644 (file)
--- a/drivers/led/led_gpio.c
+++ b/drivers/led/led_gpio.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2015 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -11,6 +10,7 @@
 #include <led.h>
 #include <asm/gpio.h>
 #include <dm/lists.h>
+#include <dm/uclass-internal.h>
 
 struct led_gpio_priv {
        struct gpio_desc gpio;
@@ -58,11 +58,25 @@ static int led_gpio_probe(struct udevice *dev)
 {
        struct led_uc_plat *uc_plat = dev_get_uclass_platdata(dev);
        struct led_gpio_priv *priv = dev_get_priv(dev);
+       const char *default_state;
+       int ret;
 
        /* Ignore the top-level LED node */
        if (!uc_plat->label)
                return 0;
-       return gpio_request_by_name(dev, "gpios", 0, &priv->gpio, GPIOD_IS_OUT);
+
+       ret = gpio_request_by_name(dev, "gpios", 0, &priv->gpio, GPIOD_IS_OUT);
+       if (ret)
+               return ret;
+
+       default_state = dev_read_string(dev, "default-state");
+       if (default_state) {
+               if (!strncmp(default_state, "on", 2))
+                       gpio_led_set_state(dev, LEDST_ON);
+               else if (!strncmp(default_state, "off", 3))
+                       gpio_led_set_state(dev, LEDST_OFF);
+       }
+       return 0;
 }
 
 static int led_gpio_remove(struct udevice *dev)
@@ -104,6 +118,14 @@ static int led_gpio_bind(struct udevice *parent)
                        return ret;
                uc_plat = dev_get_uclass_platdata(dev);
                uc_plat->label = label;
+
+               if (ofnode_read_bool(node, "default-state")) {
+                       struct udevice *devp;
+
+                       ret = uclass_get_device_tail(dev, 0, &devp);
+                       if (ret)
+                               return ret;
+               }
        }
 
        return 0;