Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  NEC VR4100 series RTC platform device.
 *
 *  Copyright (C) 2007	Yoichi Yuasa <yuasa@linux-mips.org>
 */
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
 
#include <asm/cpu.h>
#include <asm/vr41xx/irq.h>
 
static struct resource rtc_type1_resource[] __initdata = {
<------>{
<------><------>.start	= 0x0b0000c0,
<------><------>.end	= 0x0b0000df,
<------><------>.flags	= IORESOURCE_MEM,
<------>},
<------>{
<------><------>.start	= 0x0b0001c0,
<------><------>.end	= 0x0b0001df,
<------><------>.flags	= IORESOURCE_MEM,
<------>},
<------>{
<------><------>.start	= ELAPSEDTIME_IRQ,
<------><------>.end	= ELAPSEDTIME_IRQ,
<------><------>.flags	= IORESOURCE_IRQ,
<------>},
<------>{
<------><------>.start	= RTCLONG1_IRQ,
<------><------>.end	= RTCLONG1_IRQ,
<------><------>.flags	= IORESOURCE_IRQ,
<------>},
};
 
static struct resource rtc_type2_resource[] __initdata = {
<------>{
<------><------>.start	= 0x0f000100,
<------><------>.end	= 0x0f00011f,
<------><------>.flags	= IORESOURCE_MEM,
<------>},
<------>{
<------><------>.start	= 0x0f000120,
<------><------>.end	= 0x0f00013f,
<------><------>.flags	= IORESOURCE_MEM,
<------>},
<------>{
<------><------>.start	= ELAPSEDTIME_IRQ,
<------><------>.end	= ELAPSEDTIME_IRQ,
<------><------>.flags	= IORESOURCE_IRQ,
<------>},
<------>{
<------><------>.start	= RTCLONG1_IRQ,
<------><------>.end	= RTCLONG1_IRQ,
<------><------>.flags	= IORESOURCE_IRQ,
<------>},
};
 
static int __init vr41xx_rtc_add(void)
{
<------>struct platform_device *pdev;
<------>struct resource *res;
<------>unsigned int num;
<------>int retval;
 
<------>pdev = platform_device_alloc("RTC", -1);
<------>if (!pdev)
<------><------>return -ENOMEM;
 
<------>switch (current_cpu_type()) {
<------>case CPU_VR4111:
<------>case CPU_VR4121:
<------><------>res = rtc_type1_resource;
<------><------>num = ARRAY_SIZE(rtc_type1_resource);
<------><------>break;
<------>case CPU_VR4122:
<------>case CPU_VR4131:
<------>case CPU_VR4133:
<------><------>res = rtc_type2_resource;
<------><------>num = ARRAY_SIZE(rtc_type2_resource);
<------><------>break;
<------>default:
<------><------>retval = -ENODEV;
<------><------>goto err_free_device;
<------>}
 
<------>retval = platform_device_add_resources(pdev, res, num);
<------>if (retval)
<------><------>goto err_free_device;
 
<------>retval = platform_device_add(pdev);
<------>if (retval)
<------><------>goto err_free_device;
 
<------>return 0;
 
err_free_device:
<------>platform_device_put(pdev);
 
<------>return retval;
}
device_initcall(vr41xx_rtc_add);