Broadcom Northstar Plus device tree bindings
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Broadcom Northstar Plus family of SoCs are used for switching control
and management applications as well as residential router/gateway
applications. The SoC features dual core Cortex A9 ARM CPUs, integrating
several peripheral interfaces including multiple Gigabit Ethernet PHYs,
DDR3 memory, PCIE Gen-2, USB 2.0 and USB 3.0, serial and NAND flash,
SATA and several other IO controllers.

Boards with Northstar Plus SoCs shall have the following properties:

Required root node property:

BCM58522
compatible = "brcm,bcm58522", "brcm,nsp";

BCM58525
compatible = "brcm,bcm58525", "brcm,nsp";

BCM58535
compatible = "brcm,bcm58535", "brcm,nsp";

BCM58622
compatible = "brcm,bcm58622", "brcm,nsp";

BCM58623
compatible = "brcm,bcm58623", "brcm,nsp";

BCM58625
compatible = "brcm,bcm58625", "brcm,nsp";

BCM88312
compatible = "brcm,bcm88312", "brcm,nsp";

Create Documentation for NSP DT bindings
dt-bindings: Create Documentation for NSP DT bindings

Add the documentation for the Broadcom Northstar Plus device tree
bindings.

Signed-off-by: Jon Mason <efd69781f76d374bccd20b870da36df0a704e648@broadcom.com>
Acked-by: Scott Branden <48d073636e1f493abad20c1186acd226fa8d5b1d@broadcom.com>
Signed-off-by: Florian Fainelli <59190c1867e3222b932a0de3c668eb2d980d69a2@gmail.com>
