25 lines
826 B
Plaintext
25 lines
826 B
Plaintext
* Freescale i.MX System Controller Watchdog
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i.MX system controller watchdog is for i.MX SoCs with system controller inside,
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the watchdog is managed by system controller, users can ONLY communicate with
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system controller from secure mode for watchdog operations, so Linux i.MX system
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controller watchdog driver will call ARM SMC API and trap into ARM-Trusted-Firmware
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for watchdog operations, ARM-Trusted-Firmware is running at secure EL3 mode and
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it will request system controller to execute the watchdog operation passed from
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Linux kernel.
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Required properties:
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- compatible: Should be :
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"fsl,imx8qxp-sc-wdt"
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followed by "fsl,imx-sc-wdt";
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Optional properties:
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- timeout-sec : Contains the watchdog timeout in seconds.
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Examples:
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watchdog {
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compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
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timeout-sec = <60>;
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};
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