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dt-bindings: watchdog: Add ARM SP805 DT bindings

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The ARM SP805 DT node is already present in various DTS files.
This patch adds missing DT bindings documentation for ARM SP805.

Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Vikram Prakash <vikramp@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Anup Patel 2016-02-10 11:40:49 +05:30 committed by Florian Fainelli
parent e99df8fd2b
commit f2e876969c
1 changed files with 17 additions and 0 deletions
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17
Documentation/devicetree/bindings/watchdog/arm,sp805.txt Normal file
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ARM AMBA Primecell SP805 Watchdog
Required properties:
- compatible: Should be "arm,sp805" & "arm,primecell"
- reg: Should contain location and length for watchdog timer register.
- interrupts: Should contain the list of watchdog timer interrupts.
- clocks: clocks driving the watchdog timer hardware. This list should be 2
clocks. With 2 clocks, the order is wdogclk clock, apb_pclk.
Example:
watchdog@66090000 {
compatible = "arm,sp805", "arm,primecell";
reg = <0x66090000 0x1000>;
interrupts = <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&apb_pclk>,<&apb_pclk>;
clock-names = "wdogclk", "apb_pclk";
};