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syscon: dt-bindings: Add binding document for iProc MHB block

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Add binding document for Broadcom iProc's Multi-Host Bridge (MHB)
block

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 17:27:42 -07:00 committed by Lee Jones
parent 58ab243ef5
commit 88decb026d
1 changed files with 18 additions and 0 deletions
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Documentation/devicetree/bindings/mfd/brcm,iproc-mhb.txt Normal file
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Broadcom iProc Multi Host Bridge (MHB)
Certain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls
the connection and configuration of 1) internal PCIe serdes; 2) PCIe endpoint
interface; 3) access to the Nitro (network processing) engine
This node allows access to these MHB registers via syscon.
Required properties:
- compatible: should contain:
"brcm,sr-mhb", "syscon" for Stingray
- reg: base address and range of the MHB registers
Example:
mhb: syscon@60401000 {
compatible = "brcm,sr-mhb", "syscon";
reg = <0 0x60401000 0 0x38c>;
};