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| author | Maxime Coquelin <mcoquelin.stm32@gmail.com> | 2015-05-09 09:53:45 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2015-06-02 12:10:13 +0200 |
| commit | 571fc8e836a1537b87804358c7baa9882d25b754 (patch) | |
| tree | 443cc9a79f1e2cd9c00baca39fef39650818e7a7 /Documentation | |
| parent | 5fc9b49deadc16d088e8fc6ca4fee85644380497 (diff) | |
| download | linux-stable-571fc8e836a1537b87804358c7baa9882d25b754.tar.gz linux-stable-571fc8e836a1537b87804358c7baa9882d25b754.tar.bz2 linux-stable-571fc8e836a1537b87804358c7baa9882d25b754.zip | |
dt-bindings: Document the ARM System timer bindings
This adds documentation of device tree bindings for the
ARM System timer.
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/armv7m_systick.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/armv7m_systick.txt b/Documentation/devicetree/bindings/arm/armv7m_systick.txt new file mode 100644 index 000000000000..7cf4a24601eb --- /dev/null +++ b/Documentation/devicetree/bindings/arm/armv7m_systick.txt @@ -0,0 +1,26 @@ +* ARMv7M System Timer + +ARMv7-M includes a system timer, known as SysTick. Current driver only +implements the clocksource feature. + +Required properties: +- compatible : Should be "arm,armv7m-systick" +- reg : The address range of the timer + +Required clocking property, have to be one of: +- clocks : The input clock of the timer +- clock-frequency : The rate in HZ in input of the ARM SysTick + +Examples: + +systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clocks = <&clk_systick>; +}; + +systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clock-frequency = <90000000>; +}; |