From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoyou Xie Subject: [PATCH v5 1/3] dt: bindings: add documentation for zx2967 family watchdog controller Date: Tue, 24 Jan 2017 16:58:40 +0800 Message-ID: <1485248322-24299-1-git-send-email-baoyou.xie@linaro.org> Return-path: Sender: linux-watchdog-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: jun.nie-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org, linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, baoyou.xie-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, xie.baoyou-Th6q7B73Y6EnDS1+zs4M5A@public.gmane.org, chen.chaokai-Th6q7B73Y6EnDS1+zs4M5A@public.gmane.org, wang.qiang01-Th6q7B73Y6EnDS1+zs4M5A@public.gmane.org List-Id: devicetree@vger.kernel.org This patch adds dt-binding documentation for zx2967 family watchdog controller. Signed-off-by: Baoyou Xie Acked-by: Rob Herring --- .../bindings/watchdog/zte,zx2967-wdt.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt new file mode 100644 index 0000000..772403a --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt @@ -0,0 +1,31 @@ +ZTE zx2967 Watchdog timer + +Required properties: + +- compatible : should be one of the following. + * zte,zx296718-wdt +- reg : Specifies base physical address and size of the registers. +- clocks : Pairs of phandle and specifier referencing the controller's clocks. +- resets : Reference to the reset controller controlling the watchdog + controller. + +Optional properties: + +- zte,wdt-reset-sysctrl : Directs how to reset system by the watchdog. + if we don't want to restart system when watchdog been triggered, + it's not required, vice versa. + It should include following fields. + * phandle of aon-sysctrl. + * offset of register that be written, should be 0xb0. + * configure value that be written to aon-sysctrl. + * bit mask, corresponding bits will be affected. + +Example: + +wdt: watchdog@1465000 { + compatible = "zte,zx296718-wdt"; + reg = <0x1465000 0x1000>; + clocks = <&topcrm WDT_WCLK>; + resets = <&toprst 35>; + zte,wdt-reset-sysctrl = <&aon_sysctrl 0xb0 1 0x115>; +}; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html