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author | Purna Chandra Mandal <purna.mandal@microchip.com> | 2016-02-26 18:20:21 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 14:02:12 +0200 |
commit | bfa43267bc1c6484fe63570774c381ddc7b32f40 (patch) | |
tree | de9bc298e41a57e94af79eeab1d5b22af8f02938 | |
parent | watchdog: pic32-wdt: Add PIC32 watchdog driver (diff) | |
download | linux-bfa43267bc1c6484fe63570774c381ddc7b32f40.tar.xz linux-bfa43267bc1c6484fe63570774c381ddc7b32f40.zip |
dt/bindings: Add bindings for PIC32 deadman timer peripheral
Document the devicetree bindings for the deadman timer peripheral found on
Microchip PIC32 SoC class devices.
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12702/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/microchip,pic32-dmt.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/microchip,pic32-dmt.txt b/Documentation/devicetree/bindings/watchdog/microchip,pic32-dmt.txt new file mode 100644 index 000000000000..852f694f3177 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/microchip,pic32-dmt.txt @@ -0,0 +1,19 @@ +* Microchip PIC32 Deadman Timer + +The deadman timer is used to reset the processor in the event of a software +malfunction. It is a free-running instruction fetch timer, which is clocked +whenever an instruction fetch occurs until a count match occurs. + +Required properties: +- compatible: must be "microchip,pic32mzda-dmt". +- reg: physical base address of the controller and length of memory mapped + region. +- clocks: phandle of parent clock (should be &PBCLK7). + +Example: + + watchdog@1f800a00 { + compatible = "microchip,pic32mzda-dmt"; + reg = <0x1f800a00 0x80>; + clocks = <&PBCLK7>; + }; |