提交 0385d446 编写于 作者: P Peter Crosthwaite 提交者: Michal Simek

devicetree: cadence_ttc: Document binding for timer width

Modern TTC implementations can extend the timer width to 32 bit. This
feature is not self identifying so the driver needs to be made aware
via device tree.
Signed-off-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>
上级 2221043b
......@@ -6,6 +6,9 @@ Required properties:
- interrupts : A list of 3 interrupts; one per timer channel.
- clocks: phandle to the source clock
Optional properties:
- timer-width: Bit width of the timer, necessary if not 16.
Example:
ttc0: ttc0@f8001000 {
......@@ -14,4 +17,5 @@ ttc0: ttc0@f8001000 {
compatible = "cdns,ttc";
reg = <0xF8001000 0x1000>;
clocks = <&cpu_clk 3>;
timer-width = <32>;
};
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