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Diffstat (limited to 'arch/arm/mach-imx/time.c')
-rw-r--r--arch/arm/mach-imx/time.c55
1 files changed, 37 insertions, 18 deletions
diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c
index bed081e58262..bf92e5a351c0 100644
--- a/arch/arm/mach-imx/time.c
+++ b/arch/arm/mach-imx/time.c
@@ -290,25 +290,20 @@ static int __init mxc_clockevent_init(struct clk *timer_clk)
return 0;
}
-void __init mxc_timer_init(void __iomem *base, int irq)
+static void __init _mxc_timer_init(int irq,
+ struct clk *clk_per, struct clk *clk_ipg)
{
uint32_t tctl_val;
- struct clk *timer_clk;
- struct clk *timer_ipg_clk;
- timer_clk = clk_get_sys("imx-gpt.0", "per");
- if (IS_ERR(timer_clk)) {
+ if (IS_ERR(clk_per)) {
pr_err("i.MX timer: unable to get clk\n");
return;
}
- timer_ipg_clk = clk_get_sys("imx-gpt.0", "ipg");
- if (!IS_ERR(timer_ipg_clk))
- clk_prepare_enable(timer_ipg_clk);
-
- clk_prepare_enable(timer_clk);
+ if (!IS_ERR(clk_ipg))
+ clk_prepare_enable(clk_ipg);
- timer_base = base;
+ clk_prepare_enable(clk_per);
/*
* Initialise to a known state (all timers off, and timing reset)
@@ -325,21 +320,45 @@ void __init mxc_timer_init(void __iomem *base, int irq)
__raw_writel(tctl_val, timer_base + MXC_TCTL);
/* init and register the timer to the framework */
- mxc_clocksource_init(timer_clk);
- mxc_clockevent_init(timer_clk);
+ mxc_clocksource_init(clk_per);
+ mxc_clockevent_init(clk_per);
/* Make irqs happen */
setup_irq(irq, &mxc_timer_irq);
}
-void __init mxc_timer_init_dt(struct device_node *np)
+void __init mxc_timer_init(void __iomem *base, int irq)
{
- void __iomem *base;
+ struct clk *clk_per = clk_get_sys("imx-gpt.0", "per");
+ struct clk *clk_ipg = clk_get_sys("imx-gpt.0", "ipg");
+
+ timer_base = base;
+
+ _mxc_timer_init(irq, clk_per, clk_ipg);
+}
+
+static void __init mxc_timer_init_dt(struct device_node *np)
+{
+ struct clk *clk_per, *clk_ipg;
int irq;
- base = of_iomap(np, 0);
- WARN_ON(!base);
+ if (timer_base)
+ return;
+
+ timer_base = of_iomap(np, 0);
+ WARN_ON(!timer_base);
irq = irq_of_parse_and_map(np, 0);
- mxc_timer_init(base, irq);
+ clk_per = of_clk_get_by_name(np, "per");
+ clk_ipg = of_clk_get_by_name(np, "ipg");
+
+ _mxc_timer_init(irq, clk_per, clk_ipg);
}
+CLOCKSOURCE_OF_DECLARE(mx1_timer, "fsl,imx1-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx25_timer, "fsl,imx25-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx50_timer, "fsl,imx50-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx51_timer, "fsl,imx51-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx53_timer, "fsl,imx53-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx6q_timer, "fsl,imx6q-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx6sl_timer, "fsl,imx6sl-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx6sx_timer, "fsl,imx6sx-gpt", mxc_timer_init_dt);