X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_led.c;h=b0f1a61b1bb02cb813452b8ba696619645691f61;hb=6e474eab446432e7480394ca3833c89a01dba078;hp=7f5ab43c7f5d92f4af1e799ae42e2ffcbe9f3786;hpb=96764df1b47ddebfb50fadf5af72530b07b5fc89;p=u-boot

diff --git a/common/cmd_led.c b/common/cmd_led.c
index 7f5ab43c7f..b0f1a61b1b 100644
--- a/common/cmd_led.c
+++ b/common/cmd_led.c
@@ -7,23 +7,7 @@
  * (C) Copyright 2008
  * Ulf Samuelsson <ulf.samuelsson@atmel.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -55,6 +39,12 @@ static const led_tbl_t led_commands[] = {
 #ifdef STATUS_LED_BIT3
 	{ "3", STATUS_LED_BIT3, NULL, NULL, NULL },
 #endif
+#ifdef STATUS_LED_BIT4
+	{ "4", STATUS_LED_BIT4, NULL, NULL, NULL },
+#endif
+#ifdef STATUS_LED_BIT5
+	{ "5", STATUS_LED_BIT5, NULL, NULL, NULL },
+#endif
 #endif
 #ifdef STATUS_LED_GREEN
 	{ "green", STATUS_LED_GREEN, green_led_off, green_led_on, NULL },
@@ -71,30 +61,39 @@ static const led_tbl_t led_commands[] = {
 	{ NULL, 0, NULL, NULL, NULL }
 };
 
-enum led_cmd { LED_ON, LED_OFF, LED_TOGGLE };
+enum led_cmd { LED_ON, LED_OFF, LED_TOGGLE, LED_BLINK };
 
 enum led_cmd get_led_cmd(char *var)
 {
-	if (strcmp(var, "off") == 0) {
+	if (strcmp(var, "off") == 0)
 		return LED_OFF;
-	}
-	if (strcmp(var, "on") == 0) {
+	if (strcmp(var, "on") == 0)
 		return LED_ON;
-	}
 	if (strcmp(var, "toggle") == 0)
 		return LED_TOGGLE;
+	if (strcmp(var, "blink") == 0)
+		return LED_BLINK;
+
 	return -1;
 }
 
+/*
+ * LED drivers providing a blinking LED functionality, like the
+ * PCA9551, can override this empty weak function
+ */
+void __weak __led_blink(led_id_t mask, int freq)
+{
+}
+
 int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	int i, match = 0;
 	enum led_cmd cmd;
+	int freq;
 
 	/* Validate arguments */
-	if ((argc != 3)) {
+	if ((argc < 3) || (argc > 4))
 		return CMD_RET_USAGE;
-	}
 
 	cmd = get_led_cmd(argv[2]);
 	if (cmd < 0) {
@@ -110,19 +109,28 @@ int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 				if (led_commands[i].on)
 					led_commands[i].on();
 				else
-					__led_set(led_commands[i].mask, 1);
+					__led_set(led_commands[i].mask,
+							  STATUS_LED_ON);
 				break;
 			case LED_OFF:
 				if (led_commands[i].off)
 					led_commands[i].off();
 				else
-					__led_set(led_commands[i].mask, 0);
+					__led_set(led_commands[i].mask,
+							  STATUS_LED_OFF);
 				break;
 			case LED_TOGGLE:
 				if (led_commands[i].toggle)
 					led_commands[i].toggle();
 				else
 					__led_toggle(led_commands[i].mask);
+				break;
+			case LED_BLINK:
+				if (argc != 4)
+					return CMD_RET_USAGE;
+
+				freq = simple_strtoul(argv[3], NULL, 10);
+				__led_blink(led_commands[i].mask, freq);
 			}
 			/* Need to set only 1 led if led_name wasn't 'all' */
 			if (strcmp("all", argv[1]) != 0)
@@ -139,7 +147,7 @@ int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 }
 
 U_BOOT_CMD(
-	led, 3, 1, do_led,
+	led, 4, 1, do_led,
 	"["
 #ifdef CONFIG_BOARD_SPECIFIC_LED
 #ifdef STATUS_LED_BIT
@@ -154,6 +162,12 @@ U_BOOT_CMD(
 #ifdef STATUS_LED_BIT3
 	"3|"
 #endif
+#ifdef STATUS_LED_BIT4
+	"4|"
+#endif
+#ifdef STATUS_LED_BIT5
+	"5|"
+#endif
 #endif
 #ifdef STATUS_LED_GREEN
 	"green|"
@@ -167,6 +181,6 @@ U_BOOT_CMD(
 #ifdef STATUS_LED_BLUE
 	"blue|"
 #endif
-	"all] [on|off|toggle]",
-	"[led_name] [on|off|toggle] sets or clears led(s)"
+	"all] [on|off|toggle|blink] [blink-freq in ms]",
+	"[led_name] [on|off|toggle|blink] sets or clears led(s)"
 );