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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-01 11:00:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-01 11:00:07 -0700
commit1ead65812486cda65093683a99b8907a7242fa93 (patch)
tree094684870815537aae4aedb69c10d669ba29f0af /Documentation
parentb6d739e9581272f0bbbd6edd15340fb8e108df96 (diff)
parentb97f0291a2504291aef850077f98cab68a5a2f33 (diff)
downloadlinux-sh-1ead65812486cda65093683a99b8907a7242fa93.tar.gz
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer changes from Thomas Gleixner: "This assorted collection provides: - A new timer based timer broadcast feature for systems which do not provide a global accessible timer device. That allows those systems to put CPUs into deep idle states where the per cpu timer device stops. - A few NOHZ_FULL related improvements to the timer wheel - The usual updates to timer devices found in ARM SoCs - Small improvements and updates all over the place" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits) tick: Remove code duplication in tick_handle_periodic() tick: Fix spelling mistake in tick_handle_periodic() x86: hpet: Use proper destructor for delayed work workqueue: Provide destroy_delayed_work_on_stack() clocksource: CMT, MTU2, TMU and STI should depend on GENERIC_CLOCKEVENTS timer: Remove code redundancy while calling get_nohz_timer_target() hrtimer: Rearrange comments in the order struct members are declared timer: Use variable head instead of &work_list in __run_timers() clocksource: exynos_mct: silence a static checker warning arm: zynq: Add support for cpufreq arm: zynq: Don't use arm_global_timer with cpufreq clocksource/cadence_ttc: Overhaul clocksource frequency adjustment clocksource/cadence_ttc: Call clockevents_update_freq() with IRQs enabled clocksource: Add Kconfig entries for CMT, MTU2, TMU and STI sh: Remove Kconfig entries for TMU, CMT and MTU2 ARM: shmobile: Remove CMT, TMU and STI Kconfig entries clocksource: armada-370-xp: Use atomic access for shared registers clocksource: orion: Use atomic access for shared registers clocksource: timer-keystone: Delete unnecessary variable clocksource: timer-keystone: introduce clocksource driver for Keystone ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt4
-rw-r--r--Documentation/devicetree/bindings/timer/ti,keystone-timer.txt29
2 files changed, 31 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt b/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt
index 48aeb7884ed3..5c2e23574ca0 100644
--- a/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt
+++ b/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt
@@ -2,7 +2,7 @@ Allwinner A1X SoCs Timer Controller
Required properties:
-- compatible : should be "allwinner,sun4i-timer"
+- compatible : should be "allwinner,sun4i-a10-timer"
- reg : Specifies base physical address and size of the registers.
- interrupts : The interrupt of the first timer
- clocks: phandle to the source clock (usually a 24 MHz fixed clock)
@@ -10,7 +10,7 @@ Required properties:
Example:
timer {
- compatible = "allwinner,sun4i-timer";
+ compatible = "allwinner,sun4i-a10-timer";
reg = <0x01c20c00 0x400>;
interrupts = <22>;
clocks = <&osc>;
diff --git a/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt
new file mode 100644
index 000000000000..5fbe361252b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt
@@ -0,0 +1,29 @@
+* Device tree bindings for Texas instruments Keystone timer
+
+This document provides bindings for the 64-bit timer in the KeyStone
+architecture devices. The timer can be configured as a general-purpose 64-bit
+timer, dual general-purpose 32-bit timers. When configured as dual 32-bit
+timers, each half can operate in conjunction (chain mode) or independently
+(unchained mode) of each other.
+
+It is global timer is a free running up-counter and can generate interrupt
+when the counter reaches preset counter values.
+
+Documentation:
+http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
+
+Required properties:
+
+- compatible : should be "ti,keystone-timer".
+- reg : specifies base physical address and count of the registers.
+- interrupts : interrupt generated by the timer.
+- clocks : the clock feeding the timer clock.
+
+Example:
+
+timer@22f0000 {
+ compatible = "ti,keystone-timer";
+ reg = <0x022f0000 0x80>;
+ interrupts = <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&clktimer15>;
+};