aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/board/ti/beagle/led.c
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/ti/beagle/led.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/ti/beagle/led.c')
-rw-r--r--roms/u-boot/board/ti/beagle/led.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/u-boot/board/ti/beagle/led.c b/roms/u-boot/board/ti/beagle/led.c
new file mode 100644
index 000000000..e21c0169d
--- /dev/null
+++ b/roms/u-boot/board/ti/beagle/led.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2010 Texas Instruments, Inc.
+ * Jason Kridner <jkridner@beagleboard.org>
+ */
+#include <common.h>
+#include <status_led.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+
+/* GPIO pins for the LEDs */
+#define BEAGLE_LED_USR0 150
+#define BEAGLE_LED_USR1 149
+
+#ifdef CONFIG_LED_STATUS_GREEN
+void green_led_off(void)
+{
+ __led_set(CONFIG_LED_STATUS_GREEN, 0);
+}
+
+void green_led_on(void)
+{
+ __led_set(CONFIG_LED_STATUS_GREEN, 1);
+}
+#endif
+
+static int get_led_gpio(led_id_t mask)
+{
+#ifdef CONFIG_LED_STATUS0
+ if (CONFIG_LED_STATUS_BIT & mask)
+ return BEAGLE_LED_USR0;
+#endif
+#ifdef CONFIG_LED_STATUS1
+ if (CONFIG_LED_STATUS_BIT1 & mask)
+ return BEAGLE_LED_USR1;
+#endif
+
+ return 0;
+}
+
+void __led_init (led_id_t mask, int state)
+{
+ int toggle_gpio;
+
+ toggle_gpio = get_led_gpio(mask);
+
+ if (toggle_gpio && !gpio_request(toggle_gpio, "led"))
+ __led_set(mask, state);
+}
+
+void __led_toggle (led_id_t mask)
+{
+ int state, toggle_gpio;
+
+ toggle_gpio = get_led_gpio(mask);
+ if (toggle_gpio) {
+ state = gpio_get_value(toggle_gpio);
+ gpio_direction_output(toggle_gpio, !state);
+ }
+}
+
+void __led_set (led_id_t mask, int state)
+{
+ int toggle_gpio;
+
+ toggle_gpio = get_led_gpio(mask);
+ if (toggle_gpio)
+ gpio_direction_output(toggle_gpio, state);
+}