17 files changed, 312 insertions, 48 deletions

diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
index a61727f9a6d1..c55b8c016a9e 100644
--- a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
@@ -10,6 +10,7 @@ Each child has own specific current settings
 - max-cur: Maximun current at each led channel.
 
 Optional properties:
+- enable-gpio: GPIO attached to the chip's enable pin
 - label: Used for naming LEDs
 - pwr-sel: LP8501 specific property. Power selection for output channels.
          0: D1~9 are connected to VDD
@@ -17,12 +18,15 @@ Optional properties:
          2: D1~6 with VOUT, D7~9 with VDD
          3: D1~9 are connected to VOUT
 
-Alternatively, each child can have specific channel name
-- chan-name: Name of each channel name
+Alternatively, each child can have a specific channel name and trigger:
+- chan-name (optional): name of channel
+- linux,default-trigger (optional): see
+  Documentation/devicetree/bindings/leds/common.txt
 
 example 1) LP5521
 3 LED channels, external clock used. Channel names are 'lp5521_pri:channel0',
-'lp5521_pri:channel1' and 'lp5521_pri:channel2'
+'lp5521_pri:channel1' and 'lp5521_pri:channel2', with a heartbeat trigger
+on channel 0.
 
 lp5521@32 {
         compatible = "national,lp5521";
@@ -33,6 +37,7 @@ lp5521@32 {
         chan0 {
                 led-cur = /bits/ 8 <0x2f>;
                 max-cur = /bits/ 8 <0x5f>;
+                linux,default-trigger = "heartbeat";
         };
 
         chan1 {
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 5c0d0e120420..f093af17f5e6 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -213,29 +213,11 @@ static struct lp55xx_led_config rx51_lp5523_led_config[] = {
         }
 };
 
-static int rx51_lp5523_setup(void)
-{
-        return gpio_request_one(RX51_LP5523_CHIP_EN_GPIO, GPIOF_DIR_OUT,
-                        "lp5523_enable");
-}
-
-static void rx51_lp5523_release(void)
-{
-        gpio_free(RX51_LP5523_CHIP_EN_GPIO);
-}
-
-static void rx51_lp5523_enable(bool state)
-{
-        gpio_set_value(RX51_LP5523_CHIP_EN_GPIO, !!state);
-}
-
 static struct lp55xx_platform_data rx51_lp5523_platform_data = {
         .led_config             = rx51_lp5523_led_config,
         .num_channels           = ARRAY_SIZE(rx51_lp5523_led_config),
         .clock_mode             = LP55XX_CLOCK_AUTO,
-        .setup_resources        = rx51_lp5523_setup,
-        .release_resources      = rx51_lp5523_release,
-        .enable                 = rx51_lp5523_enable,
+        .enable_gpio            = RX51_LP5523_CHIP_EN_GPIO,
 };
 #endif
 
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 875bbe4c962e..72156c123033 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -300,6 +300,16 @@ config LEDS_PCA963X
           LED driver chip accessed via the I2C bus. Supported
           devices include PCA9633 and PCA9634
 
+config LEDS_PCA9685
+        tristate "LED support for PCA9685 I2C chip"
+        depends on LEDS_CLASS
+        depends on I2C
+        help
+          This option enables support for LEDs connected to the PCA9685
+          LED driver chip accessed via the I2C bus.
+          The PCA9685 offers 12-bit PWM (4095 levels of brightness) on
+          16 individual channels.
+
 config LEDS_WM831X_STATUS
         tristate "LED support for status LEDs on WM831x PMICs"
         depends on LEDS_CLASS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 8979b0b2c85e..3cd76dbd9be2 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_LEDS_OT200)		+= leds-ot200.o
 obj-$(CONFIG_LEDS_FSG)                  += leds-fsg.o
 obj-$(CONFIG_LEDS_PCA955X)              += leds-pca955x.o
 obj-$(CONFIG_LEDS_PCA963X)              += leds-pca963x.o
+obj-$(CONFIG_LEDS_PCA9685)              += leds-pca9685.o
 obj-$(CONFIG_LEDS_DA903X)               += leds-da903x.o
 obj-$(CONFIG_LEDS_DA9052)               += leds-da9052.o
 obj-$(CONFIG_LEDS_WM831X_STATUS)        += leds-wm831x-status.o
diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
index a502678cc7f5..66d0a57db221 100644
--- a/drivers/leds/leds-blinkm.c
+++ b/drivers/leds/leds-blinkm.c
@@ -161,13 +161,10 @@ static ssize_t show_color_common(struct device *dev, char *buf, int color)
         switch (color) {
         case RED:
                 return scnprintf(buf, PAGE_SIZE, "%02X\n", data->red);
-                break;
         case GREEN:
                 return scnprintf(buf, PAGE_SIZE, "%02X\n", data->green);
-                break;
         case BLUE:
                 return scnprintf(buf, PAGE_SIZE, "%02X\n", data->blue);
-                break;
         default:
                 return -EINVAL;
         }
diff --git a/drivers/leds/leds-dac124s085.c b/drivers/leds/leds-dac124s085.c
index 1f9d8e62d37e..db3ba8b42517 100644
--- a/drivers/leds/leds-dac124s085.c
+++ b/drivers/leds/leds-dac124s085.c
@@ -101,7 +101,6 @@ eledcr:
         while (i--)
                 led_classdev_unregister(&dac->leds[i].ldev);
 
-        spi_set_drvdata(spi, NULL);
         return ret;
 }
 
@@ -115,8 +114,6 @@ static int dac124s085_remove(struct spi_device *spi)
                 cancel_work_sync(&dac->leds[i].work);
         }
 
-        spi_set_drvdata(spi, NULL);
-
         return 0;
 }
 
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index e8b01e57348d..78b0e273a903 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/leds.h>
+#include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
 #include <linux/slab.h>
@@ -170,11 +171,11 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
         int count, ret;
 
         /* count LEDs in this device, so we know how much to allocate */
-        count = of_get_child_count(np);
+        count = of_get_available_child_count(np);
         if (!count)
                 return ERR_PTR(-ENODEV);
 
-        for_each_child_of_node(np, child)
+        for_each_available_child_of_node(np, child)
                 if (of_get_gpio(child, 0) == -EPROBE_DEFER)
                         return ERR_PTR(-EPROBE_DEFER);
 
@@ -183,7 +184,7 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
         if (!priv)
                 return ERR_PTR(-ENOMEM);
 
-        for_each_child_of_node(np, child) {
+        for_each_available_child_of_node(np, child) {
                 struct gpio_led led = {};
                 enum of_gpio_flags flags;
                 const char *state;
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index fe3bcbb5747f..6b553d9f4266 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -29,6 +29,7 @@
 #include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
 
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c
index 2585cfd57711..bf006f4e44a0 100644
--- a/drivers/leds/leds-lp5562.c
+++ b/drivers/leds/leds-lp5562.c
@@ -17,6 +17,7 @@
 #include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
 
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 351825b96f16..9acc6bb7deef 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -20,6 +20,8 @@
 #include <linux/module.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
 
 #include "leds-lp55xx-common.h"
 
@@ -165,6 +167,7 @@ static int lp55xx_init_led(struct lp55xx_led *led,
         led->led_current = pdata->led_config[chan].led_current;
         led->max_current = pdata->led_config[chan].max_current;
         led->chan_nr = pdata->led_config[chan].chan_nr;
+        led->cdev.default_trigger = pdata->led_config[chan].default_trigger;
 
         if (led->chan_nr >= max_channel) {
                 dev_err(dev, "Use channel numbers between 0 and %d\n",
@@ -406,18 +409,18 @@ int lp55xx_init_device(struct lp55xx_chip *chip)
         if (!pdata || !cfg)
                 return -EINVAL;
 
-        if (pdata->setup_resources) {
-                ret = pdata->setup_resources();
+        if (gpio_is_valid(pdata->enable_gpio)) {
+                ret = devm_gpio_request_one(dev, pdata->enable_gpio,
+                                            GPIOF_DIR_OUT, "lp5523_enable");
                 if (ret < 0) {
-                        dev_err(dev, "setup resoure err: %d\n", ret);
+                        dev_err(dev, "could not acquire enable gpio (err=%d)\n",
+                                ret);
                         goto err;
                 }
-        }
 
-        if (pdata->enable) {
-                pdata->enable(0);
+                gpio_set_value(pdata->enable_gpio, 0);
                 usleep_range(1000, 2000); /* Keep enable down at least 1ms */
-                pdata->enable(1);
+                gpio_set_value(pdata->enable_gpio, 1);
                 usleep_range(1000, 2000); /* 500us abs min. */
         }
 
@@ -458,11 +461,8 @@ void lp55xx_deinit_device(struct lp55xx_chip *chip)
         if (chip->clk)
                 clk_disable_unprepare(chip->clk);
 
-        if (pdata->enable)
-                pdata->enable(0);
-
-        if (pdata->release_resources)
-                pdata->release_resources();
+        if (gpio_is_valid(pdata->enable_gpio))
+                gpio_set_value(pdata->enable_gpio, 0);
 }
 EXPORT_SYMBOL_GPL(lp55xx_deinit_device);
 
@@ -586,6 +586,8 @@ int lp55xx_of_populate_pdata(struct device *dev, struct device_node *np)
                 of_property_read_string(child, "chan-name", &cfg[i].name);
                 of_property_read_u8(child, "led-cur", &cfg[i].led_current);
                 of_property_read_u8(child, "max-cur", &cfg[i].max_current);
+                cfg[i].default_trigger =
+                        of_get_property(child, "linux,default-trigger", NULL);
 
                 i++;
         }
@@ -593,6 +595,8 @@ int lp55xx_of_populate_pdata(struct device *dev, struct device_node *np)
         of_property_read_string(np, "label", &pdata->label);
         of_property_read_u8(np, "clock-mode", &pdata->clock_mode);
 
+        pdata->enable_gpio = of_get_named_gpio(np, "enable-gpio", 0);
+
         /* LP8501 specific */
         of_property_read_u8(np, "pwr-sel", (u8 *)&pdata->pwr_sel);
 
diff --git a/drivers/leds/leds-lp8501.c b/drivers/leds/leds-lp8501.c
index 8d55a780ca46..f1c704f2243a 100644
--- a/drivers/leds/leds-lp8501.c
+++ b/drivers/leds/leds-lp8501.c
@@ -18,6 +18,7 @@
 #include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
 
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 141f13438e80..c7a4230233ea 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -30,6 +30,7 @@
 #include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/platform_data/leds-kirkwood-ns2.h>
+#include <linux/of.h>
 #include <linux/of_gpio.h>
 
 /*
diff --git a/drivers/leds/leds-pca9685.c b/drivers/leds/leds-pca9685.c
new file mode 100644
index 000000000000..6e1ef3a9d6ef
--- /dev/null
+++ b/drivers/leds/leds-pca9685.c
@@ -0,0 +1,213 @@
+/*
+ * Copyright 2013 Maximilian Güntner <maximilian.guentner@gmail.com>
+ *
+ * This file is subject to the terms and conditions of version 2 of
+ * the GNU General Public License.  See the file COPYING in the main
+ * directory of this archive for more details.
+ *
+ * Based on leds-pca963x.c driver by
+ * Peter Meerwald <p.meerwald@bct-electronic.com>
+ *
+ * Driver for the NXP PCA9685 12-Bit PWM LED driver chip.
+ *
+ */
+
+#include <linux/ctype.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/workqueue.h>
+
+#include <linux/platform_data/leds-pca9685.h>
+
+/* Register Addresses */
+#define PCA9685_MODE1 0x00
+#define PCA9685_MODE2 0x01
+#define PCA9685_LED0_ON_L 0x06
+#define PCA9685_ALL_LED_ON_L 0xFA
+
+/* MODE1 Register */
+#define PCA9685_ALLCALL 0x00
+#define PCA9685_SLEEP   0x04
+#define PCA9685_AI      0x05
+
+/* MODE2 Register */
+#define PCA9685_INVRT   0x04
+#define PCA9685_OUTDRV  0x02
+
+static const struct i2c_device_id pca9685_id[] = {
+        { "pca9685", 0 },
+        { }
+};
+MODULE_DEVICE_TABLE(i2c, pca9685_id);
+
+struct pca9685_led {
+        struct i2c_client *client;
+        struct work_struct work;
+        u16 brightness;
+        struct led_classdev led_cdev;
+        int led_num; /* 0-15 */
+        char name[32];
+};
+
+static void pca9685_write_msg(struct i2c_client *client, u8 *buf, u8 len)
+{
+        struct i2c_msg msg = {
+                .addr = client->addr,
+                .flags = 0x00,
+                .len = len,
+                .buf = buf
+        };
+        i2c_transfer(client->adapter, &msg, 1);
+}
+
+static void pca9685_all_off(struct i2c_client *client)
+{
+        u8 i2c_buffer[5] = {PCA9685_ALL_LED_ON_L, 0x00, 0x00, 0x00, 0x10};
+        pca9685_write_msg(client, i2c_buffer, 5);
+}
+
+static void pca9685_led_work(struct work_struct *work)
+{
+        struct pca9685_led *pca9685;
+        u8 i2c_buffer[5];
+
+        pca9685 = container_of(work, struct pca9685_led, work);
+        i2c_buffer[0] = PCA9685_LED0_ON_L + 4 * pca9685->led_num;
+        /*
+         * 4095 is the maximum brightness, so we set the ON time to 0x1000
+         * which disables the PWM generator for that LED
+         */
+        if (pca9685->brightness == 4095)
+                *((__le16 *)(i2c_buffer+1)) = cpu_to_le16(0x1000);
+        else
+                *((__le16 *)(i2c_buffer+1)) = 0x0000;
+
+        if (pca9685->brightness == 0)
+                *((__le16 *)(i2c_buffer+3)) = cpu_to_le16(0x1000);
+        else if (pca9685->brightness == 4095)
+                *((__le16 *)(i2c_buffer+3)) = 0x0000;
+        else
+                *((__le16 *)(i2c_buffer+3)) = cpu_to_le16(pca9685->brightness);
+
+        pca9685_write_msg(pca9685->client, i2c_buffer, 5);
+}
+
+static void pca9685_led_set(struct led_classdev *led_cdev,
+                enum led_brightness value)
+{
+        struct pca9685_led *pca9685;
+        pca9685 = container_of(led_cdev, struct pca9685_led, led_cdev);
+        pca9685->brightness = value;
+
+        schedule_work(&pca9685->work);
+}
+
+static int pca9685_probe(struct i2c_client *client,
+                const struct i2c_device_id *id)
+{
+        struct pca9685_led *pca9685;
+        struct pca9685_platform_data *pdata;
+        int err;
+        u8 i;
+
+        pdata = dev_get_platdata(&client->dev);
+        if (pdata) {
+                if (pdata->leds.num_leds < 1 || pdata->leds.num_leds > 15) {
+                        dev_err(&client->dev, "board info must claim 1-16 LEDs");
+                        return -EINVAL;
+                }
+        }
+
+        pca9685 = devm_kzalloc(&client->dev, 16 * sizeof(*pca9685), GFP_KERNEL);
+        if (!pca9685)
+                return -ENOMEM;
+
+        i2c_set_clientdata(client, pca9685);
+        pca9685_all_off(client);
+
+        for (i = 0; i < 16; i++) {
+                pca9685[i].client = client;
+                pca9685[i].led_num = i;
+                pca9685[i].name[0] = '\0';
+                if (pdata && i < pdata->leds.num_leds) {
+                        if (pdata->leds.leds[i].name)
+                                strncpy(pca9685[i].name,
+                                        pdata->leds.leds[i].name,
+                                        sizeof(pca9685[i].name)-1);
+                        if (pdata->leds.leds[i].default_trigger)
+                                pca9685[i].led_cdev.default_trigger =
+                                        pdata->leds.leds[i].default_trigger;
+                }
+                if (strlen(pca9685[i].name) == 0) {
+                        /*
+                         * Write adapter and address to the name as well.
+                         * Otherwise multiple chips attached to one host would
+                         * not work.
+                         */
+                        snprintf(pca9685[i].name, sizeof(pca9685[i].name),
+                                        "pca9685:%d:x%.2x:%d",
+                                        client->adapter->nr, client->addr, i);
+                }
+                pca9685[i].led_cdev.name = pca9685[i].name;
+                pca9685[i].led_cdev.max_brightness = 0xfff;
+                pca9685[i].led_cdev.brightness_set = pca9685_led_set;
+
+                INIT_WORK(&pca9685[i].work, pca9685_led_work);
+                err = led_classdev_register(&client->dev, &pca9685[i].led_cdev);
+                if (err < 0)
+                        goto exit;
+        }
+
+        if (pdata)
+                i2c_smbus_write_byte_data(client, PCA9685_MODE2,
+                        pdata->outdrv << PCA9685_OUTDRV |
+                        pdata->inverted << PCA9685_INVRT);
+        else
+                i2c_smbus_write_byte_data(client, PCA9685_MODE2,
+                        PCA9685_TOTEM_POLE << PCA9685_OUTDRV);
+        /* Enable Auto-Increment, enable oscillator, ALLCALL/SUBADDR disabled */
+        i2c_smbus_write_byte_data(client, PCA9685_MODE1, BIT(PCA9685_AI));
+
+        return 0;
+
+exit:
+        while (i--) {
+                led_classdev_unregister(&pca9685[i].led_cdev);
+                cancel_work_sync(&pca9685[i].work);
+        }
+        return err;
+}
+
+static int pca9685_remove(struct i2c_client *client)
+{
+        struct pca9685_led *pca9685 = i2c_get_clientdata(client);
+        u8 i;
+
+        for (i = 0; i < 16; i++) {
+                led_classdev_unregister(&pca9685[i].led_cdev);
+                cancel_work_sync(&pca9685[i].work);
+        }
+        pca9685_all_off(client);
+        return 0;
+}
+
+static struct i2c_driver pca9685_driver = {
+        .driver = {
+                .name = "leds-pca9685",
+                .owner = THIS_MODULE,
+        },
+        .probe = pca9685_probe,
+        .remove = pca9685_remove,
+        .id_table = pca9685_id,
+};
+
+module_i2c_driver(pca9685_driver);
+
+MODULE_AUTHOR("Maximilian Güntner <maximilian.guentner@gmail.com>");
+MODULE_DESCRIPTION("PCA9685 LED Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index bb6f94898541..2848171b8576 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -232,7 +232,7 @@ static struct platform_driver led_pwm_driver = {
         .driver         = {
                 .name   = "leds_pwm",
                 .owner  = THIS_MODULE,
-                .of_match_table = of_match_ptr(of_pwm_leds_match),
+                .of_match_table = of_pwm_leds_match,
         },
 };
 
diff --git a/include/linux/of.h b/include/linux/of.h
index c08c07e249b3..ebf75f760bd3 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -226,6 +226,17 @@ static inline int of_get_child_count(const struct device_node *np)
         return num;
 }
 
+static inline int of_get_available_child_count(const struct device_node *np)
+{
+        struct device_node *child;
+        int num = 0;
+
+        for_each_available_child_of_node(np, child)
+                num++;
+
+        return num;
+}
+
 /* cache lookup */
 extern struct device_node *of_find_next_cache_node(const struct device_node *);
 extern struct device_node *of_find_node_with_property(
@@ -378,6 +389,11 @@ static inline int of_get_child_count(const struct device_node *np)
         return 0;
 }
 
+static inline int of_get_available_child_count(const struct device_node *np)
+{
+        return 0;
+}
+
 static inline int of_device_is_compatible(const struct device_node *device,
                                           const char *name)
 {
diff --git a/include/linux/platform_data/leds-lp55xx.h b/include/linux/platform_data/leds-lp55xx.h
index 51a2ff579d60..624ff9edad6f 100644
--- a/include/linux/platform_data/leds-lp55xx.h
+++ b/include/linux/platform_data/leds-lp55xx.h
@@ -22,6 +22,7 @@
 
 struct lp55xx_led_config {
         const char *name;
+        const char *default_trigger;
         u8 chan_nr;
         u8 led_current; /* mA x10, 0 if led is not connected */
         u8 max_current;
@@ -66,10 +67,8 @@ struct lp55xx_platform_data {
         /* Clock configuration */
         u8 clock_mode;
 
-        /* Platform specific functions */
-        int (*setup_resources)(void);
-        void (*release_resources)(void);
-        void (*enable)(bool state);
+        /* optional enable GPIO */
+        int enable_gpio;
 
         /* Predefined pattern data */
         struct lp55xx_predef_pattern *patterns;
diff --git a/include/linux/platform_data/leds-pca9685.h b/include/linux/platform_data/leds-pca9685.h
new file mode 100644
index 000000000000..778e9e4249cc
--- /dev/null
+++ b/include/linux/platform_data/leds-pca9685.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2013 Maximilian Güntner <maximilian.guentner@gmail.com>
+ *
+ * This file is subject to the terms and conditions of version 2 of
+ * the GNU General Public License.  See the file COPYING in the main
+ * directory of this archive for more details.
+ *
+ * Based on leds-pca963x.h by Peter Meerwald <p.meerwald@bct-electronic.com>
+ *
+ * LED driver for the NXP PCA9685 PWM chip
+ *
+ */
+
+#ifndef __LINUX_PCA9685_H
+#define __LINUX_PCA9685_H
+
+#include <linux/leds.h>
+
+enum pca9685_outdrv {
+        PCA9685_OPEN_DRAIN,
+        PCA9685_TOTEM_POLE,
+};
+
+enum pca9685_inverted {
+        PCA9685_NOT_INVERTED,
+        PCA9685_INVERTED,
+};
+
+struct pca9685_platform_data {
+        struct led_platform_data leds;
+        enum pca9685_outdrv outdrv;
+        enum pca9685_inverted inverted;
+};
+
+#endif /* __LINUX_PCA9685_H */