d70d178726
Add Device Tree binding document for Watchdog IP in the Intel Keem Bay SoC. Acked-by: Mark Gross <mgross@linux.intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/8c4dad4fb8ba644607aa9379d5ec70d8707d7e75.1608141131.git.vijayakannan.ayyathurai@intel.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
58 lines
1.2 KiB
YAML
58 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/watchdog/intel,keembay-wdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Intel Keem Bay SoC non-secure Watchdog Timer
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maintainers:
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- Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
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properties:
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compatible:
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enum:
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- intel,keembay-wdt
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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interrupts:
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items:
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- description: interrupt specifier for threshold interrupt line
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- description: interrupt specifier for timeout interrupt line
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interrupt-names:
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items:
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- const: threshold
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- const: timeout
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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- clocks
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#define KEEM_BAY_A53_TIM
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watchdog: watchdog@2033009c {
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compatible = "intel,keembay-wdt";
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reg = <0x2033009c 0x10>;
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interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "threshold", "timeout";
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clocks = <&scmi_clk KEEM_BAY_A53_TIM>;
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};
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...
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