| // SPDX-License-Identifier: GPL-2.0-only |
| * Copyright (C) 2014 ARM Limited |
| #include <linux/clocksource.h> |
| #include <linux/of_address.h> |
| #include <linux/sched_clock.h> |
| static void __iomem *versatile_sys_24mhz; |
| static u64 notrace versatile_sys_24mhz_read(void) |
| return readl(versatile_sys_24mhz); |
| static int __init versatile_sched_clock_init(struct device_node *node) |
| void __iomem *base = of_iomap(node, 0); |
| of_node_clear_flag(node, OF_POPULATED); |
| versatile_sys_24mhz = base + SYS_24MHZ; |
| sched_clock_register(versatile_sys_24mhz_read, 32, 24000000); |
| TIMER_OF_DECLARE(vexpress, "arm,vexpress-sysreg", |
| versatile_sched_clock_init); |
| TIMER_OF_DECLARE(versatile, "arm,versatile-sysreg", |
| versatile_sched_clock_init); |