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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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* Copyright (C) 2015 Imagination Technologies, Inc.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <asm/mips-boards/sead3-addr.h>
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static void sead3_pled_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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writel(value, (void __iomem *)SEAD3_CPLD_P_LED);
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}
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static void sead3_fled_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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writel(value, (void __iomem *)SEAD3_CPLD_F_LED);
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}
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static struct led_classdev sead3_pled = {
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.name = "sead3::pled",
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.brightness_set = sead3_pled_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static struct led_classdev sead3_fled = {
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.name = "sead3::fled",
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.brightness_set = sead3_fled_set,
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.flags = LED_CORE_SUSPENDRESUME,
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};
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static int sead3_led_probe(struct platform_device *pdev)
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{
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int ret;
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ret = led_classdev_register(&pdev->dev, &sead3_pled);
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if (ret < 0)
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return ret;
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ret = led_classdev_register(&pdev->dev, &sead3_fled);
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if (ret < 0)
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led_classdev_unregister(&sead3_pled);
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return ret;
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}
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static int sead3_led_remove(struct platform_device *pdev)
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{
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led_classdev_unregister(&sead3_pled);
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led_classdev_unregister(&sead3_fled);
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return 0;
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}
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static struct platform_driver sead3_led_driver = {
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.probe = sead3_led_probe,
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.remove = sead3_led_remove,
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.driver = {
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.name = "sead3-led",
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},
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};
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module_platform_driver(sead3_led_driver);
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MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
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MODULE_DESCRIPTION("SEAD3 LED driver");
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MODULE_LICENSE("GPL");
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