From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoyou Xie Subject: [PATCH v2 1/3] dt: bindings: add documentation for zx2967 family watchdog controller Date: Thu, 19 Jan 2017 09:59:50 +0800 Message-ID: <1484791192-31674-1-git-send-email-baoyou.xie@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: jun.nie@linaro.org, wim@iguana.be, linux@roeck-us.net, robh+dt@kernel.org, mark.rutland@arm.com Cc: devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org, xie.baoyou@zte.com.cn, linux-kernel@vger.kernel.org, chen.chaokai@zte.com.cn, wang.qiang01@zte.com.cn, baoyou.xie@linaro.org, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org This patch adds dt-binding documentation for zx2967 family watchdog controller. Signed-off-by: Baoyou Xie --- .../bindings/watchdog/zte,zx2967-wdt.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 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..6e35ce7 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt @@ -0,0 +1,32 @@ +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. +- clock-names: "wdtclk" for the watchdog clock. +- resets : Reference to the reset controller controlling the watchdog + controller. +- reset-names : Must include the following entries: + * wdtrst + +Optional properties: + +- wdt-reset-sysctrl : should include following fields. + * phandle of aon-sysctrl. + * configuare value that be wrote to aon-sysctrl. + * bit mask, corresponding bits will be affected. + +Example: + +wdt_ares: watchdog@1465000 { + compatible = "zte,zx296718-wdt"; + reg = <0x1465000 0x1000>; + clocks = <&topcrm WDT_WCLK>; + clock-names = "wdtclk"; + resets = <&toprst 35>; + reset-names = "wdtrst"; + wdt-reset-sysctrl = <&aon_sysctrl 1 0x115>; +}; -- 2.7.4