linux-kernel - [PATCH V5 1/4] dt-bindings: watchdog: Add i.MX7ULP bindings

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Message-Id: <1566999303-18795-1-git-send-email-Anson.Huang@nxp.com>
Date:   Wed, 28 Aug 2019 09:35:00 -0400
From:   Anson Huang <Anson.Huang@....com>
To:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        mark.rutland@....com, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux@...linux.org.uk,
        otavio@...ystems.com.br, leonard.crestez@....com,
        u.kleine-koenig@...gutronix.de, schnitzeltony@...il.com,
        jan.tuerk@...rion.com, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH V5 1/4] dt-bindings: watchdog: Add i.MX7ULP bindings

Add the watchdog bindings for Freescale i.MX7ULP.

Signed-off-by: Anson Huang <Anson.Huang@....com>
Reviewed-by: Rob Herring <rohb@...nel.org>
---
Changes since V4:
	- improve watchdog node name.
---
 .../bindings/watchdog/fsl-imx7ulp-wdt.txt          | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt
new file mode 100644
index 0000000..f902508
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt
@@ -0,0 +1,22 @@
+* Freescale i.MX7ULP Watchdog Timer (WDT) Controller
+
+Required properties:
+- compatible : Should be "fsl,imx7ulp-wdt"
+- reg : Should contain WDT registers location and length
+- interrupts : Should contain WDT interrupt
+- clocks: Should contain a phandle pointing to the gated peripheral clock.
+
+Optional properties:
+- timeout-sec : Contains the watchdog timeout in seconds
+
+Examples:
+
+wdog1: watchdog@...d0000 {
+	compatible = "fsl,imx7ulp-wdt";
+	reg = <0x403d0000 0x10000>;
+	interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
+	clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
+	assigned-clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
+	assigned-clocks-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
+	timeout-sec = <40>;
+};
-- 
2.7.4