On Tue, Sep 14, 2021 at 08:34:53PM +0800, Fengquan Chen wrote:
> This patch add a description and example of disable_wdt_extrst
> element for watchdog on MTK Socs
>
> Signed-off-by: Fengquan Chen <fengquan.chen@xxxxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
> index a4e31ce96e0e..0114871f887a 100644
> --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
> +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
> @@ -22,6 +22,7 @@ Required properties:
> - reg : Specifies base physical address and size of the registers.
>
> Optional properties:
> +- mediatek,disable-extrst: disable send output reset signal
> - interrupts: Watchdog pre-timeout (bark) interrupt.
> - timeout-sec: contains the watchdog timeout in seconds.
> - #reset-cells: Should be 1.
> @@ -31,6 +32,7 @@ Example:
> watchdog: watchdog@10007000 {
> compatible = "mediatek,mt8183-wdt",
> "mediatek,mt6589-wdt";
> + mediatek,disable-extrst;
> reg = <0 0x10007000 0 0x100>;
> interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>;
> timeout-sec = <10>;
