On Wed, Feb 08, 2017 at 09:28:11AM +1300, Chris Packham wrote:
> Rather than having a separate node for the dfx server add a reg property
> to the parent node. This give somes compatibility with the Marvell
> supplied SDK.

But breaks upstream compatibility. Need to explain why that's okay.

> 
> Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
> ---
> 
> Notes:
>     Changes in v2:
>     - none
> 
>  Documentation/devicetree/bindings/net/marvell,prestera.txt | 13 +++++--------
>  arch/arm/boot/dts/armada-xp-98dx3236.dtsi                  |  8 ++------
>  2 files changed, 7 insertions(+), 14 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/marvell,prestera.txt 
> b/Documentation/devicetree/bindings/net/marvell,prestera.txt
> index 5fbab29718e8..c329608fa887 100644
> --- a/Documentation/devicetree/bindings/net/marvell,prestera.txt
> +++ b/Documentation/devicetree/bindings/net/marvell,prestera.txt
> @@ -32,19 +32,16 @@ DFX Server bindings
>  -------------------
>  
>  Required properties:
> -- compatible: must be "marvell,dfx-server"
> +- compatible: must be "marvell,dfx-server", "simple-bus"
> +- ranges: describes the address mapping of a memory-mapped bus.
>  - reg: address and length of the register set for the device.
>  
>  Example:
>  
> -dfx-registers {
> -     compatible = "simple-bus";
> +dfx-server {
> +     compatible = "marvell,dfx-server", "simple-bus";
>       #address-cells = <1>;
>       #size-cells = <1>;
>       ranges = <0 MBUS_ID(0x08, 0x00) 0 0x100000>;
> -
> -     dfx: dfx@0 {
> -             compatible = "marvell,dfx-server";
> -             reg = <0 0x100000>;
> -     };
> +     reg = <MBUS_ID(0x08, 0x00) 0 0x100000>;
>  };
> diff --git a/arch/arm/boot/dts/armada-xp-98dx3236.dtsi 
> b/arch/arm/boot/dts/armada-xp-98dx3236.dtsi
> index f6a03dcee5ef..bd8261fdec81 100644
> --- a/arch/arm/boot/dts/armada-xp-98dx3236.dtsi
> +++ b/arch/arm/boot/dts/armada-xp-98dx3236.dtsi
> @@ -195,11 +195,12 @@
>                       };
>               };
>  
> -             dfxr: dfx-registers@ac000000 {
> +             dfx: dfx-server@ac000000 {
>                       compatible = "simple-bus";

Missing marvell,dfx-server?

>                       #address-cells = <1>;
>                       #size-cells = <1>;
>                       ranges = <0 MBUS_ID(0x08, 0x00) 0 0x100000>;
> +                     reg = <MBUS_ID(0x08, 0x00) 0 0x100000>;
>  
>                       dfx_coredivclk: corediv-clock@f8268 {
>                               compatible = "marvell,mv98dx3236-corediv-clock";
> @@ -208,11 +209,6 @@
>                               clocks = <&mainpll>;
>                               clock-output-names = "nand";
>                       };
> -
> -                     dfx: dfx@0 {
> -                             compatible = "marvell,dfx-server";
> -                             reg = <0 0x100000>;
> -                     };
>               };
>  
>               switch: switch@a8000000 {
> -- 
> 2.11.0.24.ge6920cf
> 

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