Merge tag 'linux-watchdog-5.3-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - add Allwinner H6 watchdog

 - drop warning after registering device patches

 - hpwdt improvements

 - gpio: add support for nowayout option

 - introduce CONFIG_WATCHDOG_OPEN_TIMEOUT

 - convert remaining drivers to use SPDX license identifier

 - Fixes and improvements on several watchdog device drivers

* tag 'linux-watchdog-5.3-rc1' of git://www.linux-watchdog.org/linux-watchdog: (74 commits)
  watchdog: digicolor_wdt: Remove unused variable in dc_wdt_probe
  watchdog: ie6xx_wdt: Use spinlock_t instead of struct spinlock
  watchdog: atmel: atmel-sama5d4-wdt: Disable watchdog on system suspend
  watchdog: convert remaining drivers to use SPDX license identifier
  dt-bindings: watchdog: Rename bindings documentation file
  watchdog: mei_wdt: no need to check return value of debugfs_create functions
  watchdog: bcm_kona_wdt: no need to check return value of debugfs_create functions
  docs: watchdog: Fix build error.
  docs: watchdog: convert docs to ReST and rename to *.rst
  watchdog: make the device time out at open_deadline when open_timeout is used
  watchdog: introduce CONFIG_WATCHDOG_OPEN_TIMEOUT
  watchdog: introduce watchdog.open_timeout commandline parameter
  dt-bindings: watchdog: move i.MX system controller watchdog binding to SCU
  watchdog: imx_sc: Add pretimeout support
  watchdog: renesas_wdt: Add a few cycles delay
  watchdog: gpio: add support for nowayout option
  watchdog: renesas_wdt: Use 'dev' instead of dereferencing it repeatedly
  dt-bindings: watchdog: add Allwinner H6 watchdog
  watchdog: jz4740: Avoid starting watchdog in set_timeout
  watchdog: jz4740: Use register names from <linux/mfd/ingenic-tcu.h>
  ...

1 files changed, 15 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index f378922906f6..a575e42f7fec 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -145,6 +145,16 @@ Optional Child nodes:
 - Data cells of ocotp:
   Detailed bindings are described in bindings/nvmem/nvmem.txt
 
+Watchdog bindings based on SCU Message Protocol
+------------------------------------------------------------
+
+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.
+
 Example (imx8qxp):
 -------------
 aliases {
@@ -207,6 +217,11 @@ firmware {
 		rtc: rtc {
 			compatible = "fsl,imx8qxp-sc-rtc";
 		};
+
+		watchdog {
+			compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
+			timeout-sec = <60>;
+		};
 	};
 };