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Merge git://www.linux-watchdog.org/linux-watchdog

Browse source 
Pull watchdog updates from Wim Van Sebroeck:

 - new drivers for: NI 903x/913x watchdog driver, WinSystems EBC-C384
   watchdog timer and ARM SBSA watchdog driver

 - Support for NCT6102D devices

 - Improvements of the generic watchdog framework (improve restart
   handler, make set_timeout optional, introduce infrastructure
   triggered keepalives, ...

 - improvements on the pnx4008 watchdog driver

 - several smaller fixes and improvements

* git://www.linux-watchdog.org/linux-watchdog: (28 commits)
  watchdog: Ensure that wdd is not dereferenced if NULL
  watchdog: imx2: Convert to use infrastructure triggered keepalives
  watchdog: dw_wdt: Convert to use watchdog infrastructure
  watchdog: Add support for minimum time between heartbeats
  watchdog: Make stop function optional
  watchdog: Introduce WDOG_HW_RUNNING flag
  watchdog: Introduce hardware maximum heartbeat in watchdog core
  watchdog: Make set_timeout function optional
  arm: lpc32xx: remove restart handler
  arm: lpc32xx: phy3250 remove restart hook
  watchdog: pnx4008: restart: support "cmd" from userspace
  watchdog: pnx4008: add support for soft reset
  watchdog: pnx4008: add restart handler
  watchdog: pnx4008: update logging during power-on
  watchdog: tangox_wdt: test clock rate to avoid division by 0
  watchdog: atlas7_wdt: test clock rate to avoid division by 0
  watchdog: s3c2410_wdt: Add max and min timeout values
  Watchdog: introduce ARM SBSA watchdog driver
  Documentation: add sbsa-gwdt driver documentation
  watchdog: Add watchdog timer support for the WinSystems EBC-C384
  ...
This commit is contained in:
Linus Torvalds 2016-03-19 19:35:51 -07:00
commit 1e75a9f34a
34 changed files with 1482 additions and 354 deletions
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31
Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt Normal file
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* SBSA (Server Base System Architecture) Generic Watchdog
The SBSA Generic Watchdog Timer is used to force a reset of the system
after two stages of timeout have elapsed. A detailed definition of the
watchdog timer can be found in the ARM document: ARM-DEN-0029 - Server
Base System Architecture (SBSA)
Required properties:
- compatible: Should at least contain "arm,sbsa-gwdt".
- reg: Each entry specifies the base physical address of a register frame
and the length of that frame; currently, two frames must be defined,
in this order:
1: Watchdog control frame;
2: Refresh frame.
- interrupts: Should contain the Watchdog Signal 0 (WS0) SPI (Shared
Peripheral Interrupt) number of SBSA Generic Watchdog.
Optional properties
- timeout-sec: Watchdog timeout values (in seconds).
Example for FVP Foundation Model v8:
watchdog@2a440000 {
compatible = "arm,sbsa-gwdt";
reg = <0x0 0x2a440000 0 0x1000>,
<0x0 0x2a450000 0 0x1000>;
interrupts = <0 27 4>;
timeout-sec = <30>;
};