linux/Documentation/devicetree/bindings/timer/arm,sp804.txt
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   1ARM sp804 Dual Timers
   2---------------------------------------
   3
   4Required properties:
   5- compatible: Should be "arm,sp804" & "arm,primecell"
   6- interrupts: Should contain the list of Dual Timer interrupts. This is the
   7        interrupt for timer 1 and timer 2. In the case of a single entry, it is
   8        the combined interrupt or if "arm,sp804-has-irq" is present that
   9        specifies which timer interrupt is connected.
  10- reg: Should contain location and length for dual timer register.
  11- clocks: clocks driving the dual timer hardware. This list should be 1 or 3
  12        clocks. With 3 clocks, the order is timer0 clock, timer1 clock,
  13        apb_pclk. A single clock can also be specified if the same clock is
  14        used for all clock inputs.
  15
  16Optional properties:
  17- arm,sp804-has-irq = <#>: In the case of only 1 timer irq line connected, this
  18        specifies if the irq connection is for timer 1 or timer 2. A value of 1
  19        or 2 should be used.
  20
  21Example:
  22
  23        timer0: timer@fc800000 {
  24                compatible = "arm,sp804", "arm,primecell";
  25                reg = <0xfc800000 0x1000>;
  26                interrupts = <0 0 4>, <0 1 4>;
  27                clocks = <&timclk1 &timclk2 &pclk>;
  28                clock-names = "timer1", "timer2", "apb_pclk";
  29        };
  30