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ARM: i.MX: Add GPT devicetree Documentation
The GPT binding is already used on i.MX6 and i.MX25, but not yet documented. Add a binding document for it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
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Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
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Freescale i.MX General Purpose Timer (GPT)
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Required properties:
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- compatible : should be "fsl,<soc>-gpt"
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- reg : Specifies base physical address and size of the registers.
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- interrupts : A list of 4 interrupts; one per timer channel.
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- clocks : The clocks provided by the SoC to drive the timer.
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Example:
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gpt1: timer@10003000 {
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compatible = "fsl,imx27-gpt", "fsl,imx1-gpt";
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reg = <0x10003000 0x1000>;
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interrupts = <26>;
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clocks = <&clks 46>, <&clks 61>;
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clock-names = "ipg", "per";
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};
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