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Signed-off-by: Bai Ping --- change v1->v2 - remove the blank line at EOF --- .../devicetree/bindings/timer/nxp,sysctr_timer.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/nxp,sysctr_timer.txt diff --git a/Documentation/devicetree/bindings/timer/nxp,sysctr_timer.txt b/Documentation/devicetree/bindings/timer/nxp,sysctr_timer.txt new file mode 100644 index 0000000..21f1527 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,sysctr_timer.txt @@ -0,0 +1,26 @@ +NXP System Counter Module(sys_ctr) + +The system counter(sys_ctr) is a programmable system counter which provides +a shared time base to Cortex A15, A7, A53, A73, etc. it is intended for use in +applications where the counter is always powered and support multiple, +unrelated clocks. + +Required properties: + +- compatible : should be "nxp,sysctr-timer" +- reg : Specifies the base physical address and size of the comapre + frame and the counter control, read & compare. +- interrupts : should be the compare frames' interrupt +- clock-frequency : Specifies the counter clock frequency. + +Example: + + system_counter: timer@306a0000 { + compatible = "nxp,sysctr-timer"; + reg = <0x0 0x306a0000 0x0 0x10000>, /* system-counter-rd base */ + <0x0 0x306b0000 0x0 0x10000>, /* system-counter-cmp base */ + <0x0 0x306c0000 0x0 0x10000>; /* system-counter-ctrl base */ + clock-frequency = <8000000>; + interrupts = , + ; + };