Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt

   1 * Pistachio general-purpose timer based clocksource
   2
   3 Required properties:
   4  - compatible: "img,pistachio-gptimer".
   5  - reg: Address range of the timer registers.
   6  - interrupts: An interrupt for each of the four timers
   7  - clocks: Should contain a clock specifier for each entry in clock-names
   8  - clock-names: Should contain the following entries:
   9                 "sys", interface clock
  10                 "slow", slow counter clock
  11                 "fast", fast counter clock
  12  - img,cr-periph: Must contain a phandle to the peripheral control
  13                   syscon node.
  14
  15 Example:
  16         timer: timer@18102000 {
  17                 compatible = "img,pistachio-gptimer";
  18                 reg = <0x18102000 0x100>;
  19                 interrupts = <GIC_SHARED 60 IRQ_TYPE_LEVEL_HIGH>,
  20                              <GIC_SHARED 61 IRQ_TYPE_LEVEL_HIGH>,
  21                              <GIC_SHARED 62 IRQ_TYPE_LEVEL_HIGH>,
  22                              <GIC_SHARED 63 IRQ_TYPE_LEVEL_HIGH>;
  23                 clocks = <&clk_periph PERIPH_CLK_COUNTER_FAST>,
  24                          <&clk_periph PERIPH_CLK_COUNTER_SLOW>,
  25                          <&cr_periph SYS_CLK_TIMER>;
  26                 clock-names = "fast", "slow", "sys";
  27                 img,cr-periph = <&cr_periph>;
  28         };