diff options
| author | Lee Jones <lee.jones@linaro.org> | 2012-03-16 09:53:24 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-16 19:48:48 +0000 |
| commit | 71de5c46e0600b72df58269e80da343e354ddbd7 (patch) | |
| tree | 5ce4eaefd41211d4c8916eb1c13119db039196c4 | |
| parent | 15daf691e8e0119e6c21d3ddf6b4754e66e37365 (diff) | |
ARM: ux500: Provide local timer support for Device Tree
This enables local timer (AKA: private timer) support for
all u8500 based hardware using DT.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | arch/arm/boot/dts/db8500.dtsi | 6 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/timer.c | 11 |
2 files changed, 14 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/db8500.dtsi b/arch/arm/boot/dts/db8500.dtsi index a81cce0f755..d73dce64566 100644 --- a/arch/arm/boot/dts/db8500.dtsi +++ b/arch/arm/boot/dts/db8500.dtsi @@ -42,6 +42,12 @@ interrupts = <0 7 0x4>; }; + timer@a0410600 { + compatible = "arm,cortex-a9-twd-timer"; + reg = <0xa0410600 0x20>; + interrupts = <1 13 0x304>; + }; + rtc@80154000 { compatible = "stericsson,db8500-rtc"; reg = <0x80154000 0x1000>; diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c index e9d580702fb..d37df98b5c3 100644 --- a/arch/arm/mach-ux500/timer.c +++ b/arch/arm/mach-ux500/timer.c @@ -7,6 +7,7 @@ #include <linux/io.h> #include <linux/errno.h> #include <linux/clksrc-dbx500-prcmu.h> +#include <linux/of.h> #include <asm/smp_twd.h> @@ -30,9 +31,13 @@ static void __init ux500_twd_init(void) twd_local_timer = cpu_is_u5500() ? &u5500_twd_local_timer : &u8500_twd_local_timer; - err = twd_local_timer_register(twd_local_timer); - if (err) - pr_err("twd_local_timer_register failed %d\n", err); + if (of_have_populated_dt()) + twd_local_timer_of_register(); + else { + err = twd_local_timer_register(twd_local_timer); + if (err) + pr_err("twd_local_timer_register failed %d\n", err); + } } #else #define ux500_twd_init() do { } while(0) |