The binding targets the Meson-A/C series compatible SoCs, in which the watchdog registers are in secure world. Signed-off-by: Xingyu Chen <xingyu.chen@xxxxxxxxxxx> --- .../bindings/watchdog/amlogic,meson-sec-wdt.yaml | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml diff --git a/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml new file mode 100644 index 00000000..8e9d62a --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) +# Copyright (c) 2019 Amlogic, Inc +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/amlogic,meson-sec-wdt.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Amlogic Meson Secure Watchdog Timer + +maintainers: + - Xingyu Chen <xingyu.chen@xxxxxxxxxxx> + +description: |+ + Secure Watchdog Timer used in Meson-A/C series Compatible SoCs, + and its device node must be the child node of secure-monitor. + +properties: + compatible: + enum: + - amlogic,meson-sec-wdt + + timeout-sec: + minimum: 1 + maximum: 65 + description: + Watchdog timeout values (in seconds) + +required: + - compatible + +examples: + - | + secure-monitor { + compatible = "amlogic,meson-gxbb-sm"; + + watchdog { + compatible = "amlogic,meson-sec-wdt"; + timeout-sec = <60>; + }; + }; -- 2.7.4
