diff options
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
4 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-sc-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx-sc-wdt.txt new file mode 100644 index 000000000000..02b87e92ae68 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-sc-wdt.txt @@ -0,0 +1,24 @@ +* Freescale i.MX System Controller Watchdog + +i.MX system controller watchdog is for i.MX SoCs with system controller inside, +the watchdog is managed by system controller, users can ONLY communicate with +system controller from secure mode for watchdog operations, so Linux i.MX system +controller watchdog driver will call ARM SMC API and trap into ARM-Trusted-Firmware +for watchdog operations, ARM-Trusted-Firmware is running at secure EL3 mode and +it will request system controller to execute the watchdog operation passed from +Linux kernel. + +Required properties: +- compatible: Should be : + "fsl,imx8qxp-sc-wdt" + followed by "fsl,imx-sc-wdt"; + +Optional properties: +- timeout-sec : Contains the watchdog timeout in seconds. + +Examples: + +watchdog { + compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; + timeout-sec = <60>; +}; diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index 8682d6a93e5b..fd380eb28df5 100644 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -9,6 +9,7 @@ Required properties: "mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622 "mediatek,mt7623-wdt", "mediatek,mt6589-wdt": for MT7623 "mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629 + "mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516 - reg : Specifies base physical address and size of the registers. diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt index ef2b97b72e08..9f365c1a3399 100644 --- a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt @@ -8,6 +8,7 @@ Required properties: - "renesas,r8a7743-wdt" (RZ/G1M) - "renesas,r8a7744-wdt" (RZ/G1N) - "renesas,r8a7745-wdt" (RZ/G1E) + - "renesas,r8a77470-wdt" (RZ/G1C) - "renesas,r8a774a1-wdt" (RZ/G2M) - "renesas,r8a774c0-wdt" (RZ/G2E) - "renesas,r8a7790-wdt" (R-Car H2) diff --git a/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt b/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt new file mode 100644 index 000000000000..7cc1407f15cb --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt @@ -0,0 +1,11 @@ +STMicroelectronics STPMIC1 Watchdog + +Required properties: + +- compatible : should be "st,stpmic1-wdt" + +Example: + +watchdog { + compatible = "st,stpmic1-wdt"; +}; |