obj-$(CONFIG_INTEGRATOR_AP_TIMER) += timer-integrator-ap.o
obj-$(CONFIG_CLKSRC_VERSATILE) += timer-versatile.o
obj-$(CONFIG_CLKSRC_MIPS_GIC) += mips-gic-timer.o
-obj-$(CONFIG_CLKSRC_TANGO_XTAL) += timer-tango-xtal.o
obj-$(CONFIG_CLKSRC_IMX_GPT) += timer-imx-gpt.o
obj-$(CONFIG_CLKSRC_IMX_TPM) += timer-imx-tpm.o
obj-$(CONFIG_TIMER_IMX_SYS_CTR) += timer-imx-sysctr.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/clocksource.h>
-#include <linux/sched_clock.h>
-#include <linux/of_address.h>
-#include <linux/printk.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-
-static void __iomem *xtal_in_cnt;
-static struct delay_timer delay_timer;
-
-static unsigned long notrace read_xtal_counter(void)
-{
- return readl_relaxed(xtal_in_cnt);
-}
-
-static u64 notrace read_sched_clock(void)
-{
- return read_xtal_counter();
-}
-
-static int __init tango_clocksource_init(struct device_node *np)
-{
- struct clk *clk;
- int xtal_freq, ret;
-
- xtal_in_cnt = of_iomap(np, 0);
- if (xtal_in_cnt == NULL) {
- pr_err("%pOF: invalid address\n", np);
- return -ENXIO;
- }
-
- clk = of_clk_get(np, 0);
- if (IS_ERR(clk)) {
- pr_err("%pOF: invalid clock\n", np);
- return PTR_ERR(clk);
- }
-
- xtal_freq = clk_get_rate(clk);
- delay_timer.freq = xtal_freq;
- delay_timer.read_current_timer = read_xtal_counter;
-
- ret = clocksource_mmio_init(xtal_in_cnt, "tango-xtal", xtal_freq, 350,
- 32, clocksource_mmio_readl_up);
- if (ret) {
- pr_err("%pOF: registration failed\n", np);
- return ret;
- }
-
- sched_clock_register(read_sched_clock, 32, xtal_freq);
- register_current_timer_delay(&delay_timer);
-
- return 0;
-}
-
-TIMER_OF_DECLARE(tango, "sigma,tick-counter", tango_clocksource_init);