1 * Device tree bindings for Texas instruments Keystone timer
2
3 This document provides bindings for the 64-bit timer in the KeyStone
4 architecture devices. The timer can be configured as a general-purpose 64-bit
5 timer, dual general-purpose 32-bit timers. When configured as dual 32-bit
6 timers, each half can operate in conjunction (chain mode) or independently
7 (unchained mode) of each other.
8
9 It is global timer is a free running up-counter and can generate interrupt
10 when the counter reaches preset counter values.
11
12 Documentation:
13 https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
14
15 Required properties:
16
17 - compatible : should be "ti,keystone-timer".
18 - reg : specifies base physical address and count of the registers.
19 - interrupts : interrupt generated by the timer.
20 - clocks : the clock feeding the timer clock.
21
22 Example:
23
24 timer@22f0000 {
25 compatible = "ti,keystone-timer";
26 reg = <0x022f0000 0x80>;
27 interrupts = <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>;
28 clocks = <&clktimer15>;
29 };
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