diff options
author | Rick Chen <rickchen36@gmail.com> | 2017-12-11 10:51:31 +0300 |
---|---|---|
committer | Greentime Hu <greentime@andestech.com> | 2018-02-22 05:44:36 +0300 |
commit | d0d7a6fe427c95178e37bbec40fe6da9753dad8d (patch) | |
tree | 242797ad2a46b301dee074731b193d420379f48d /Documentation/devicetree/bindings/timer | |
parent | ea4625c3860ba002c83b1dffc528e1a4f0a89cf5 (diff) | |
download | linux-d0d7a6fe427c95178e37bbec40fe6da9753dad8d.tar.xz |
dt-bindings: timer: Add andestech atcpit100 timer binding doc
Add a document to describe Andestech atcpit100 timer and
binding information.
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation/devicetree/bindings/timer')
-rw-r--r-- | Documentation/devicetree/bindings/timer/andestech,atcpit100-timer.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/andestech,atcpit100-timer.txt b/Documentation/devicetree/bindings/timer/andestech,atcpit100-timer.txt new file mode 100644 index 000000000000..4c9ea5989e35 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/andestech,atcpit100-timer.txt @@ -0,0 +1,33 @@ +Andestech ATCPIT100 timer +------------------------------------------------------------------ +ATCPIT100 is a generic IP block from Andes Technology, embedded in +Andestech AE3XX platforms and other designs. + +This timer is a set of compact multi-function timers, which can be +used as pulse width modulators (PWM) as well as simple timers. + +It supports up to 4 PIT channels. Each PIT channel is a +multi-function timer and provide the following usage scenarios: +One 32-bit timer +Two 16-bit timers +Four 8-bit timers +One 16-bit PWM +One 16-bit timer and one 8-bit PWM +Two 8-bit timer and one 8-bit PWM + +Required properties: +- compatible : Should be "andestech,atcpit100" +- reg : Address and length of the register set +- interrupts : Reference to the timer interrupt +- clocks : a clock to provide the tick rate for "andestech,atcpit100" +- clock-names : should be "PCLK" for the peripheral clock source. + +Examples: + +timer0: timer@f0400000 { + compatible = "andestech,atcpit100"; + reg = <0xf0400000 0x1000>; + interrupts = <2>; + clocks = <&apb>; + clock-names = "PCLK"; +}; |