Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  Registration of Cobalt RTC platform device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mc146818rtc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static struct resource cobalt_rtc_resource[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		.start	= 0x70,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		.end	= 0x77,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		.flags	= IORESOURCE_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		.start	= RTC_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		.end	= RTC_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		.flags	= IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static __init int cobalt_rtc_add(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	pdev = platform_device_alloc("rtc_cmos", -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	retval = platform_device_add_resources(pdev, cobalt_rtc_resource,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 					       ARRAY_SIZE(cobalt_rtc_resource));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		goto err_free_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	retval = platform_device_add(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		goto err_free_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) err_free_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	platform_device_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) device_initcall(cobalt_rtc_add);