linux/Documentation/devicetree/bindings/timer/renesas,tpu.txt

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* Renesas H8/300 Timer Pluse Unit
The TPU is a 16bit timer/counter with configurable clock inputs and
programmable compare match.
This implementation support only cascade mode.
Required Properties:
- compatible: must contain "renesas,tpu"
- reg: base address and length of the registers block in 2 channel.
- clocks: a list of phandle, one for each entry in clock-names.
- clock-names: must contain "peripheral_clk" for the functional clock.
Example:
tpu: tpu@ffffe0 {
compatible = "renesas,tpu";
reg = <0xffffe0 16>, <0xfffff0 12>;
clocks = <&pclk>;
clock-names = "peripheral_clk";
};