Signed-off-by: rick <rickchen36@xxxxxxxxx>
Signed-off-by: rick <rick@xxxxxxxxxxxxx>
Signed-off-by: Greentime Hu <green.hu@xxxxxxxxx>
---
.../bindings/timer/andestech,atcpit100-timer.txt | 31 ++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/andestech,atcpit100-timer.txt
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 0000000..a87278a
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/andestech,atcpit100-timer.txt
@@ -0,0 +1,31 @@
+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
+- clock-frequency : The rate in HZ in input of the Andestech ATCPIT100 timer
+
+Examples:
+
+timer0: timer@f0400000 {
+ compatible = "andestech,atcpit100";
+ reg = <0xf0400000 0x1000>;
+ interrupts = <2 4>;
+ clock-frequency = <30000000>;
+};
--
1.7.9.5
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