mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 12:07:12 +07:00
5acb972fed
Add acpu driver for hisilicon SoC, acpu is application processor subsystem. Currently the acpu has the coupled clock domain for two clusters, so this driver will directly use cpufreq-dt driver as backend. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
|
|
* Hisilicon Platforms Using ACPU CPUFreq Support
|
|
*
|
|
* Copyright (c) 2015 Hisilicon Limited.
|
|
* Copyright (c) 2015 Linaro Limited.
|
|
*
|
|
* Leo Yan <leo.yan@linaro.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
|
|
* kind, whether express or implied; without even the implied warranty
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/of.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
static int __init hisi_acpu_cpufreq_driver_init(void)
|
|
{
|
|
struct platform_device *pdev;
|
|
|
|
if (!of_machine_is_compatible("hisilicon,hi6220"))
|
|
return -ENODEV;
|
|
|
|
pdev = platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
|
|
return PTR_ERR_OR_ZERO(pdev);
|
|
}
|
|
module_init(hisi_acpu_cpufreq_driver_init);
|
|
|
|
MODULE_AUTHOR("Leo Yan <leo.yan@linaro.org>");
|
|
MODULE_DESCRIPTION("Hisilicon acpu cpufreq driver");
|
|
MODULE_LICENSE("GPL v2");
|