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The Radxa Rock contains one sd-card slot. Add the supplying regulator
and enable its dw_mmc node.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

This enables the 2nd i2c bus and adds the act8846 pmic as device.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Use the handles for subsequent changes to nodes, similar to like the rk3288
submission does it.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Comments received from the rk3288 submission indicated that a generic subnode
to group soc components should not be used.

So to keep all rockchip devicetree files similar, remove it from rk3066 and rk3188.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Add the missing 'compatible' property to device tree root node of

 - rk3066a-bqcurie2.dts
 - rk3188-radxarock.dts

and document the new values.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Basic devicetree files for the rk3188 SoC. Also provided is a board
dts file for the upcoming Radxa Rock board using this SoC.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>