diff options
Diffstat (limited to 'drivers/leds')
-rw-r--r-- | drivers/leds/Kconfig | 21 | ||||
-rw-r--r-- | drivers/leds/Makefile | 3 | ||||
-rw-r--r-- | drivers/leds/leds-da9052.c | 307 | ||||
-rw-r--r-- | drivers/leds/leds-mc13892.c | 153 | ||||
-rw-r--r-- | drivers/leds/leds-mxs-pwm.c | 217 |
5 files changed, 701 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 81bf25e67ce1..196270d08960 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -33,6 +33,17 @@ config LEDS_ATMEL_PWM This option enables support for LEDs driven using outputs of the dedicated PWM controller found on newer Atmel SOCs. +config LEDS_MXS + tristate "Support for PWM LEDs on MXS" + depends on LEDS_CLASS && ARCH_MXS + help + This option enables support for the LEDs connected to PWM + outputs on the Freescale MXS SOC. + +config LEDS_MC13892 + tristate "LED Support for mc13892 pmic" + depends on LEDS_CLASS && MXC_MC13892_LIGHT + config LEDS_LOCOMO tristate "LED Support for Locomo device" depends on SHARP_LOCOMO @@ -235,6 +246,16 @@ config LEDS_DA903X This option enables support for on-chip LED drivers found on Dialog Semiconductor DA9030/DA9034 PMICs. +config LEDS_DA9052 + tristate "Dialog DA9052 LEDS" + depends on PMIC_DA9052 + help + This option enables support for on-chip LED drivers found + on Dialog Semiconductor DA9052 PMICs. + + To compile this driver as a module, choose M here: the + module will be called leds-da9052. + config LEDS_DAC124S085 tristate "LED Support for DAC124S085 SPI DAC" depends on SPI diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 2493de499374..8285efc54a03 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_LEDS_TRIGGERS) += led-triggers.o obj-$(CONFIG_LEDS_88PM860X) += leds-88pm860x.o obj-$(CONFIG_LEDS_ATMEL_PWM) += leds-atmel-pwm.o obj-$(CONFIG_LEDS_BD2802) += leds-bd2802.o +obj-$(CONFIG_LEDS_MC13892) += leds-mc13892.o obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o obj-$(CONFIG_LEDS_MIKROTIK_RB532) += leds-rb532.o obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o @@ -28,6 +29,7 @@ obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o obj-$(CONFIG_LEDS_FSG) += leds-fsg.o obj-$(CONFIG_LEDS_PCA955X) += leds-pca955x.o obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o +obj-$(CONFIG_LEDS_DA9052) += leds-da9052.o obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o obj-$(CONFIG_LEDS_PWM) += leds-pwm.o @@ -37,6 +39,7 @@ obj-$(CONFIG_LEDS_LT3593) += leds-lt3593.o obj-$(CONFIG_LEDS_ADP5520) += leds-adp5520.o obj-$(CONFIG_LEDS_DELL_NETBOOKS) += dell-led.o obj-$(CONFIG_LEDS_MC13783) += leds-mc13783.o +obj-$(CONFIG_LEDS_MXS) += leds-mxs-pwm.o # LED SPI Drivers obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o diff --git a/drivers/leds/leds-da9052.c b/drivers/leds/leds-da9052.c new file mode 100644 index 000000000000..187d4d2372e0 --- /dev/null +++ b/drivers/leds/leds-da9052.c @@ -0,0 +1,307 @@ +/* + * leds-da9052.c -- LED Driver for Dialog DA9052 + * + * Copyright(c) 2009 Dialog Semiconductor Ltd. + * + * Author: Dialog Semiconductor Ltd <dchen@diasemi.com> + * + * 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. + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/workqueue.h> +#include <linux/slab.h> + +#include <linux/mfd/da9052/reg.h> +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/led.h> + +#define DRIVER_NAME "da9052-leds" + +#define DA9052_LED4_PRESENT 1 +#define DA9052_LED5_PRESENT 1 + + +struct da9052_led_data { + struct led_classdev cdev; + struct work_struct work; + struct da9052 *da9052; + int id; + int new_brightness; + int is_led4_present; + int is_led5_present; +}; + +#define GPIO14_PIN 2 /* GPO Open Drain */ +#define GPIO14_TYPE 0 /* VDD_IO1 */ +#define GPIO14_MODE 1 /* Output High */ + +#define GPIO15_PIN 2 /* GPO Open Drain */ +#define GPIO15_TYPE 0 /* VDD_IO1 */ +#define GPIO15_MODE 1 /* Output High */ + +#define MAXIMUM_PWM 95 +#define MASK_GPIO14 0x0F +#define MASK_GPIO15 0xF0 +#define GPIO15_PIN_BIT_POSITION 4 + +static void da9052_led_work(struct work_struct *work) +{ + struct da9052_led_data *led = container_of(work, + struct da9052_led_data, work); + int reg = 0; + int led_dim_bit = 0; + struct da9052_ssc_msg msg; + int ret = 0; + + switch (led->id) { + case DA9052_LED_4: + reg = DA9052_LED4CONT_REG; + led_dim_bit = DA9052_LED4CONT_LED4DIM; + break; + case DA9052_LED_5: + reg = DA9052_LED5CONT_REG; + led_dim_bit = DA9052_LED5CONT_LED5DIM; + break; + } + + if (led->new_brightness > MAXIMUM_PWM) + led->new_brightness = MAXIMUM_PWM; + + /* Always enable DIM feature + * This feature can be disabled if required + */ + msg.addr = reg; + msg.data = led->new_brightness | led_dim_bit; + da9052_lock(led->da9052); + ret = led->da9052->write(led->da9052, &msg); + if (ret) { + da9052_unlock(led->da9052); + return; + } + da9052_unlock(led->da9052); +} + +static void da9052_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct da9052_led_data *led; + + led = container_of(led_cdev, struct da9052_led_data, cdev); + led->new_brightness = value; + schedule_work(&led->work); +} + +static int __devinit da9052_led_setup(struct da9052_led_data *led) +{ + int reg = 0; + int ret = 0; + + struct da9052_ssc_msg msg; + + switch (led->id) { + case DA9052_LED_4: + reg = DA9052_LED4CONT_REG; + break; + case DA9052_LED_5: + reg = DA9052_LED5CONT_REG; + break; + } + + msg.addr = reg; + msg.data = 0; + + da9052_lock(led->da9052); + ret = led->da9052->write(led->da9052, &msg); + if (ret) { + da9052_unlock(led->da9052); + return ret; + } + da9052_unlock(led->da9052); + return ret; +} + +static int da9052_leds_prepare(struct da9052_led_data *led) +{ + int ret = 0; + struct da9052_ssc_msg msg; + + da9052_lock(led->da9052); + + if (1 == led->is_led4_present) { + msg.addr = DA9052_GPIO1415_REG; + msg.data = 0; + + ret = led->da9052->read(led->da9052, &msg); + if (ret) + goto out; + msg.data = msg.data & ~(MASK_GPIO14); + msg.data = msg.data | ( + GPIO14_PIN | + (GPIO14_TYPE ? DA9052_GPIO1415_GPIO14TYPE : 0) | + (GPIO14_MODE ? DA9052_GPIO1415_GPIO14MODE : 0)); + + ret = led->da9052->write(led->da9052, &msg); + if (ret) + goto out; + } + + if (1 == led->is_led5_present) { + msg.addr = DA9052_GPIO1415_REG; + msg.data = 0; + + ret = led->da9052->read(led->da9052, &msg); + if (ret) + goto out; + msg.data = msg.data & ~(MASK_GPIO15); + msg.data = msg.data | + (((GPIO15_PIN << GPIO15_PIN_BIT_POSITION) | + (GPIO15_TYPE ? DA9052_GPIO1415_GPIO15TYPE : 0) | + (GPIO15_MODE ? DA9052_GPIO1415_GPIO15MODE : 0)) + ); + ret = led->da9052->write(led->da9052, &msg); + if (ret) + goto out; + } + + da9052_unlock(led->da9052); + return ret; +out: + da9052_unlock(led->da9052); + return ret; +} + +static int __devinit da9052_led_probe(struct platform_device *pdev) +{ + struct da9052_leds_platform_data *pdata = (pdev->dev.platform_data); + struct da9052_led_platform_data *led_cur; + struct da9052_led_data *led, *led_dat; + int ret, i; + int init_led = 0; + + if (pdata->num_leds < 1 || pdata->num_leds > DA9052_LED_MAX) { + dev_err(&pdev->dev, "Invalid led count %d\n", pdata->num_leds); + return -EINVAL; + } + + led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL); + if (led == NULL) { + dev_err(&pdev->dev, "failed to alloc memory\n"); + return -ENOMEM; + } + + led->is_led4_present = DA9052_LED4_PRESENT; + led->is_led5_present = DA9052_LED5_PRESENT; + + for (i = 0; i < pdata->num_leds; i++) { + led_dat = &led[i]; + led_cur = &pdata->led[i]; + if (led_cur->id < 0) { + dev_err(&pdev->dev, "invalid id %d\n", led_cur->id); + ret = -EINVAL; + goto err_register; + } + + if (init_led & (1 << led_cur->id)) { + dev_err(&pdev->dev, "led %d already initialized\n", + led_cur->id); + ret = -EINVAL; + goto err_register; + } + + init_led |= 1 << led_cur->id; + + led_dat->cdev.name = led_cur->name; + // led_dat->cdev.default_trigger = led_cur[i]->default_trigger; + led_dat->cdev.brightness_set = da9052_led_set; + led_dat->cdev.brightness = LED_OFF; + led_dat->id = led_cur->id; + led_dat->da9052 = dev_get_drvdata(pdev->dev.parent); + + INIT_WORK(&led_dat->work, da9052_led_work); + + ret = led_classdev_register(pdev->dev.parent, &led_dat->cdev); + if (ret) { + dev_err(&pdev->dev, "failed to register led %d\n", + led_dat->id); + goto err_register; + + } + ret = da9052_led_setup(led_dat); + if (ret) { + dev_err(&pdev->dev, "unable to init led %d\n", + led_dat->id); + i++; + goto err_register; + } + } + ret = da9052_leds_prepare(led); + if (ret) { + dev_err(&pdev->dev, "unable to init led driver\n"); + goto err_free; + } + + platform_set_drvdata(pdev, led); + return 0; + +err_register: + for (i = i - 1; i >= 0; i--) { + led_classdev_unregister(&led[i].cdev); + cancel_work_sync(&led[i].work); + } + +err_free: + kfree(led); + return ret; +} + +static int __devexit da9052_led_remove(struct platform_device *pdev) +{ + struct da9052_leds_platform_data *pdata = + (struct da9052_leds_platform_data *)pdev->dev.platform_data; + struct da9052_led_data *led = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < pdata->num_leds; i++) { + da9052_led_setup(&led[i]); + led_classdev_unregister(&led[i].cdev); + cancel_work_sync(&led[i].work); + } + + kfree(led); + return 0; +} + +static struct platform_driver da9052_led_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, + .probe = da9052_led_probe, + .remove = __devexit_p(da9052_led_remove), +}; + +static int __init da9052_led_init(void) +{ + return platform_driver_register(&da9052_led_driver); +} +module_init(da9052_led_init); + +static void __exit da9052_led_exit(void) +{ + platform_driver_unregister(&da9052_led_driver); +} +module_exit(da9052_led_exit); + +MODULE_AUTHOR("Dialog Semiconductor Ltd <dchen@diasemi.com> "); +MODULE_DESCRIPTION("LED driver for Dialog DA9052 PMIC"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/leds/leds-mc13892.c b/drivers/leds/leds-mc13892.c new file mode 100644 index 000000000000..ec7ae4316b4d --- /dev/null +++ b/drivers/leds/leds-mc13892.c @@ -0,0 +1,153 @@ +/* + * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/slab.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/pmic_light.h> + +static void mc13892_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct platform_device *dev = to_platform_device(led_cdev->dev->parent); + int led_ch; + + switch (dev->id) { + case 'r': + led_ch = LIT_RED; + break; + case 'g': + led_ch = LIT_GREEN; + break; + case 'b': + led_ch = LIT_BLUE; + break; + default: + return; + } + + /* set current with medium value, in case current is too large */ + mc13892_bklit_set_current(led_ch, LIT_CURR_12); + /* max duty cycle is 63, brightness needs to be divided by 4 */ + mc13892_bklit_set_dutycycle(led_ch, value / 4); + +} + +static int mc13892_led_remove(struct platform_device *dev) +{ + struct led_classdev *led_cdev = platform_get_drvdata(dev); + + led_classdev_unregister(led_cdev); + kfree(led_cdev->name); + kfree(led_cdev); + + return 0; +} + +#define LED_NAME_LEN 16 + +static int mc13892_led_probe(struct platform_device *dev) +{ + int ret; + struct led_classdev *led_cdev; + char *name; + + led_cdev = kzalloc(sizeof(struct led_classdev), GFP_KERNEL); + if (led_cdev == NULL) { + dev_err(&dev->dev, "No memory for device\n"); + return -ENOMEM; + } + name = kzalloc(LED_NAME_LEN, GFP_KERNEL); + if (name == NULL) { + dev_err(&dev->dev, "No memory for device\n"); + ret = -ENOMEM; + goto exit_err; + } + + strcpy(name, dev->name); + ret = strlen(dev->name); + if (ret > LED_NAME_LEN - 2) { + dev_err(&dev->dev, "led name is too long\n"); + goto exit_err1; + } + name[ret] = dev->id; + name[ret + 1] = '\0'; + led_cdev->name = name; + led_cdev->brightness_set = mc13892_led_set; + + ret = led_classdev_register(&dev->dev, led_cdev); + if (ret < 0) { + dev_err(&dev->dev, "led_classdev_register failed\n"); + goto exit_err1; + } + + platform_set_drvdata(dev, led_cdev); + + return 0; + exit_err1: + kfree(led_cdev->name); + exit_err: + kfree(led_cdev); + return ret; +} + +#ifdef CONFIG_PM +static int mc13892_led_suspend(struct platform_device *dev, pm_message_t state) +{ + struct led_classdev *led_cdev = platform_get_drvdata(dev); + + led_classdev_suspend(led_cdev); + return 0; +} + +static int mc13892_led_resume(struct platform_device *dev) +{ + struct led_classdev *led_cdev = platform_get_drvdata(dev); + + led_classdev_resume(led_cdev); + return 0; +} +#else +#define mc13892_led_suspend NULL +#define mc13892_led_resume NULL +#endif + +static struct platform_driver mc13892_led_driver = { + .probe = mc13892_led_probe, + .remove = mc13892_led_remove, + .suspend = mc13892_led_suspend, + .resume = mc13892_led_resume, + .driver = { + .name = "pmic_leds", + .owner = THIS_MODULE, + }, +}; + +static int __init mc13892_led_init(void) +{ + return platform_driver_register(&mc13892_led_driver); +} + +static void __exit mc13892_led_exit(void) +{ + platform_driver_unregister(&mc13892_led_driver); +} + +module_init(mc13892_led_init); +module_exit(mc13892_led_exit); + +MODULE_DESCRIPTION("Led driver for PMIC mc13892"); +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_LICENSE("GPL"); diff --git a/drivers/leds/leds-mxs-pwm.c b/drivers/leds/leds-mxs-pwm.c new file mode 100644 index 000000000000..a546900a44d0 --- /dev/null +++ b/drivers/leds/leds-mxs-pwm.c @@ -0,0 +1,217 @@ +/* + * Freescale MXS PWM LED driver + * + * Author: Drew Benedetti <drewb@embeddedalley.com> + * + * Copyright 2008-2010 Freescale Semiconductor, Inc. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/clk.h> + +#include <mach/hardware.h> +#include <mach/system.h> +#include <mach/device.h> +#include <mach/regs-pwm.h> + + +/* + * PWM enables are the lowest bits of HW_PWM_CTRL register + */ +#define BM_PWM_CTRL_PWM_ENABLE ((1<<(CONFIG_MXS_PWM_CHANNELS)) - 1) +#define BF_PWM_CTRL_PWM_ENABLE(n) ((1<<(n)) & BM_PWM_CTRL_PWM_ENABLE) + +#define BF_PWM_PERIODn_SETTINGS \ + (BF_PWM_PERIODn_CDIV(5) | /* divide by 64 */ \ + BF_PWM_PERIODn_INACTIVE_STATE(3) | /* low */ \ + BF_PWM_PERIODn_ACTIVE_STATE(2) | /* high */ \ + BF_PWM_PERIODn_PERIOD(LED_FULL)) /* 255 cycles */ + +struct mxs_pwm_leds { + struct clk *pwm_clk; + unsigned int base; + unsigned int led_num; + struct mxs_pwm_led *leds; +}; + +static struct mxs_pwm_leds leds; + +static void mxs_pwm_led_brightness_set(struct led_classdev *pled, + enum led_brightness value) +{ + struct mxs_pwm_led *pwm_led; + + pwm_led = container_of(pled, struct mxs_pwm_led, dev); + + if (pwm_led->pwm < CONFIG_MXS_PWM_CHANNELS) { + __raw_writel(BF_PWM_CTRL_PWM_ENABLE(pwm_led->pwm), + leds.base + HW_PWM_CTRL_CLR); + __raw_writel(BF_PWM_ACTIVEn_INACTIVE(LED_FULL) | + BF_PWM_ACTIVEn_ACTIVE(value), + leds.base + HW_PWM_ACTIVEn(pwm_led->pwm)); + __raw_writel(BF_PWM_PERIODn_SETTINGS, + leds.base + HW_PWM_PERIODn(pwm_led->pwm)); + __raw_writel(BF_PWM_CTRL_PWM_ENABLE(pwm_led->pwm), + leds.base + HW_PWM_CTRL_SET); + } +} + +static int __devinit mxs_pwm_led_probe(struct platform_device *pdev) +{ + struct mxs_pwm_leds_plat_data *plat_data; + struct resource *res; + struct led_classdev *led; + unsigned int pwmn; + int leds_in_use = 0, rc = 0; + int i; + + plat_data = (struct mxs_pwm_leds_plat_data *)pdev->dev.platform_data; + if (plat_data == NULL) + return -ENODEV; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) + return -ENODEV; + leds.base = (unsigned int)IO_ADDRESS(res->start); + + mxs_reset_block((void __iomem *)leds.base, 1); + + leds.led_num = plat_data->num; + if (leds.led_num <= 0 || leds.led_num > CONFIG_MXS_PWM_CHANNELS) + return -EFAULT; + leds.leds = plat_data->leds; + if (leds.leds == NULL) + return -EFAULT; + + leds.pwm_clk = clk_get(&pdev->dev, "pwm"); + if (IS_ERR(leds.pwm_clk)) { + rc = PTR_ERR(leds.pwm_clk); + return rc; + } + + clk_enable(leds.pwm_clk); + + for (i = 0; i < leds.led_num; i++) { + pwmn = leds.leds[i].pwm; + if (pwmn >= CONFIG_MXS_PWM_CHANNELS) { + dev_err(&pdev->dev, + "[led-pwm%d]:PWM %d doesn't exist\n", + i, pwmn); + continue; + } + led = &(leds.leds[i].dev); + led->name = leds.leds[i].name; + led->brightness = LED_HALF; + led->flags = 0; + led->brightness_set = mxs_pwm_led_brightness_set; + led->default_trigger = 0; + + rc = led_classdev_register(&pdev->dev, led); + if (rc < 0) { + dev_err(&pdev->dev, + "Unable to register LED device %d (err=%d)\n", + i, rc); + continue; + } + + leds_in_use++; + + /* Set default brightness */ + mxs_pwm_led_brightness_set(led, LED_HALF); + } + + if (leds_in_use == 0) { + dev_info(&pdev->dev, "No PWM LEDs available\n"); + clk_disable(leds.pwm_clk); + clk_put(leds.pwm_clk); + return -ENODEV; + } + return 0; +} + +static int __devexit mxs_pwm_led_remove(struct platform_device *pdev) +{ + int i; + unsigned int pwm; + for (i = 0; i < leds.led_num; i++) { + pwm = leds.leds[i].pwm; + __raw_writel(BF_PWM_CTRL_PWM_ENABLE(pwm), + leds.base + HW_PWM_CTRL_CLR); + __raw_writel(BF_PWM_ACTIVEn_INACTIVE(0) | + BF_PWM_ACTIVEn_ACTIVE(0), + leds.base + HW_PWM_ACTIVEn(pwm)); + __raw_writel(BF_PWM_PERIODn_SETTINGS, + leds.base + HW_PWM_PERIODn(pwm)); + led_classdev_unregister(&leds.leds[i].dev); + } + + clk_disable(leds.pwm_clk); + clk_put(leds.pwm_clk); + + return 0; +} + +#ifdef CONFIG_PM +static int mxs_led_suspend(struct platform_device *dev, pm_message_t state) +{ + int i; + + for (i = 0; i < leds.led_num; i++) + led_classdev_suspend(&leds.leds[i].dev); + return 0; +} + +static int mxs_led_resume(struct platform_device *dev) +{ + int i; + + for (i = 0; i < leds.led_num; i++) + led_classdev_resume(&leds.leds[i].dev); + return 0; +} +#else +#define mxs_led_suspend NULL +#define mxs_led_resume NULL +#endif + + +static struct platform_driver mxs_pwm_led_driver = { + .probe = mxs_pwm_led_probe, + .remove = __devexit_p(mxs_pwm_led_remove), + .suspend = mxs_led_suspend, + .resume = mxs_led_resume, + .driver = { + .name = "mxs-leds", + }, +}; + +static int __init mxs_pwm_led_init(void) +{ + return platform_driver_register(&mxs_pwm_led_driver); +} + +static void __exit mxs_pwm_led_exit(void) +{ + platform_driver_unregister(&mxs_pwm_led_driver); +} + +module_init(mxs_pwm_led_init); +module_exit(mxs_pwm_led_exit); + +MODULE_AUTHOR("Drew Benedetti <drewb@embeddedalley.com>"); +MODULE_DESCRIPTION("mxs PWM LED driver"); +MODULE_LICENSE("GPL"); |