diff options
| author | Srinivas Neeli <srinivas.neeli@amd.com> | 2023-06-01 10:52:37 +0530 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2023-06-30 10:57:16 -0600 |
| commit | 6592d29393e3201053d659248055f7f6e51a9f3c (patch) | |
| tree | afdabe5fb16fe9866b5172f6ea79dfe68fe646d1 /Documentation | |
| parent | ecdb004843ed91222be38ed838e7ce7167018222 (diff) | |
dt-bindings: watchdog: cdns,wdt-r1p2: Convert cadence watchdog to yaml
Convert cadence watchdog bindings to DT schema format using json-schema.
Signed-off-by: Srinivas Neeli <srinivas.neeli@amd.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230601052237.2604997-1-srinivas.neeli@amd.com
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/cadence-wdt.txt | 23 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/cdns,wdt-r1p2.yaml | 62 |
2 files changed, 62 insertions, 23 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt deleted file mode 100644 index 750a87657448..000000000000 --- a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt +++ /dev/null @@ -1,23 +0,0 @@ -Zynq Watchdog Device Tree Bindings -------------------------------------------- - -Required properties: -- compatible : Should be "cdns,wdt-r1p2". -- clocks : This is pclk (APB clock). -- interrupts : This is wd_irq - watchdog timeout interrupt. - -Optional properties -- reset-on-timeout : If this property exists, then a reset is done - when watchdog times out. -- timeout-sec : Watchdog timeout value (in seconds). - -Example: - watchdog@f8005000 { - compatible = "cdns,wdt-r1p2"; - clocks = <&clkc 45>; - interrupt-parent = <&intc>; - interrupts = <0 9 1>; - reg = <0xf8005000 0x1000>; - reset-on-timeout; - timeout-sec = <10>; - }; diff --git a/Documentation/devicetree/bindings/watchdog/cdns,wdt-r1p2.yaml b/Documentation/devicetree/bindings/watchdog/cdns,wdt-r1p2.yaml new file mode 100644 index 000000000000..3c17c5883bce --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/cdns,wdt-r1p2.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/cdns,wdt-r1p2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence watchdog timer controller + +maintainers: + - Neeli Srinivas <srinivas.neeli@amd.com> + +description: + The cadence watchdog timer is used to detect and recover from + system malfunctions. This watchdog contains 24 bit counter and + a programmable reset period. The timeout period varies from 1 ms + to 30 seconds while using a 100Mhz clock. + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + enum: + - cdns,wdt-r1p2 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-on-timeout: + type: boolean + description: | + If this property exists, then a reset is done when watchdog + times out. + +required: + - compatible + - reg + - clocks + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + watchdog@f8005000 { + compatible = "cdns,wdt-r1p2"; + reg = <0xf8005000 0x1000>; + clocks = <&clkc 45>; + interrupt-parent = <&intc>; + interrupts = <GIC_SPI 9 IRQ_TYPE_EDGE_RISING>; + reset-on-timeout; + timeout-sec = <10>; + }; +... |