summaryrefslogtreecommitdiff
path: root/drivers/leds
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2015-08-03 17:04:01 +0200
committerJacek Anaszewski <j.anaszewski@samsung.com>2015-11-03 08:59:20 +0100
commit22a16873d38829570677871a22cf77f00445206f (patch)
tree3bbcb3d791c66283e2624b0913e02e2952f1f519 /drivers/leds
parent95281b5b598e9805b77dbbaaea400ebc2289bac8 (diff)
LED/MIPS: Move SEAD3 LED driver to where it belongs.
Fixes the following randconfig problem leds-sead3.c:(.text+0x7dc): undefined reference to `led_classdev_unregister' leds-sead3.c:(.text+0x7e8): undefined reference to `led_classdev_unregister' Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Cc: Bryan Wu <cooloney@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-leds@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/Kconfig10
-rw-r--r--drivers/leds/Makefile1
-rw-r--r--drivers/leds/leds-sead3.c78
3 files changed, 89 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 42990f2d0317..b1ab8bdf8251 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -556,6 +556,16 @@ config LEDS_KTD2692
Say Y to enable this driver.
+config LEDS_SEAD3
+ tristate "LED support for the MIPS SEAD 3 board"
+ depends on LEDS_CLASS && MIPS_SEAD3
+ help
+ Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
+ boards.
+
+ This driver can also be built as a module. If so the module
+ will be called leds-sead3.
+
comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
config LEDS_BLINKM
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index b503f92dc2c4..e9d53092765d 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -65,6 +65,7 @@ obj-$(CONFIG_LEDS_VERSATILE) += leds-versatile.o
obj-$(CONFIG_LEDS_MENF21BMC) += leds-menf21bmc.o
obj-$(CONFIG_LEDS_KTD2692) += leds-ktd2692.o
obj-$(CONFIG_LEDS_POWERNV) += leds-powernv.o
+obj-$(CONFIG_LEDS_SEAD3) += leds-sead3.o
# LED SPI Drivers
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
diff --git a/drivers/leds/leds-sead3.c b/drivers/leds/leds-sead3.c
new file mode 100644
index 000000000000..eb97a3271bb3
--- /dev/null
+++ b/drivers/leds/leds-sead3.c
@@ -0,0 +1,78 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2015 Imagination Technologies, Inc.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/mips-boards/sead3-addr.h>
+
+static void sead3_pled_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ writel(value, (void __iomem *)SEAD3_CPLD_P_LED);
+}
+
+static void sead3_fled_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ writel(value, (void __iomem *)SEAD3_CPLD_F_LED);
+}
+
+static struct led_classdev sead3_pled = {
+ .name = "sead3::pled",
+ .brightness_set = sead3_pled_set,
+ .flags = LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev sead3_fled = {
+ .name = "sead3::fled",
+ .brightness_set = sead3_fled_set,
+ .flags = LED_CORE_SUSPENDRESUME,
+};
+
+static int sead3_led_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &sead3_pled);
+ if (ret < 0)
+ return ret;
+
+ ret = led_classdev_register(&pdev->dev, &sead3_fled);
+ if (ret < 0)
+ led_classdev_unregister(&sead3_pled);
+
+ return ret;
+}
+
+static int sead3_led_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&sead3_pled);
+ led_classdev_unregister(&sead3_fled);
+
+ return 0;
+}
+
+static struct platform_driver sead3_led_driver = {
+ .probe = sead3_led_probe,
+ .remove = sead3_led_remove,
+ .driver = {
+ .name = "sead3-led",
+ },
+};
+
+module_platform_driver(sead3_led_driver);
+
+MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
+MODULE_DESCRIPTION("SEAD3 LED driver");
+MODULE_LICENSE("GPL");