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syscon: dt-bindings: Add binding doc for Broadcom iProc CDRU 

Add binding document for Broadcom iProc's Chip Device Resource Unit
(CDRU). Multiple iProc based chips have this CDRU block that contains
miscellaneous registers for chip or device configurations. Start with
Stingray specific compatible string for the initial binding

Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Ray Jui 2017-09-06 17:27:41 -07:00 committed by Lee Jones
parent 4589515af3
commit 58ab243ef5
1 changed files with 16 additions and 0 deletions
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Documentation/devicetree/bindings/mfd/brcm,iproc-cdru.txt Normal file
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Broadcom iProc Chip Device Resource Unit (CDRU)
Various Broadcom iProc SoCs have a set of registers that provide various
chip specific device and resource configurations. This node allows access to
these CDRU registers via syscon.
Required properties:
- compatible: should contain:
"brcm,sr-cdru", "syscon" for Stingray
- reg: base address and range of the CDRU registers
Example:
cdru: syscon@6641d000 {
compatible = "brcm,sr-cdru", "syscon";
reg = <0 0x6641d000 0 0x400>;
};