[PATCH 4/6] ARM: mvebu: Add support for NAND controller in Armada 38x SoC

[Ezequiel Garcia]

On Mar 13, Sergei Shtylyov wrote:
> On 03/12/2014 06:16 PM, Ezequiel Garcia wrote:
> 
> >The Armada 38x SoC family has a NAND controller, compatible
> >with the controller in Armada 370/375/XP SoCs. Add support for
> >it in the devicetree file.
> 
> >Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
> >---
> >  arch/arm/boot/dts/armada-38x.dtsi | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> 
> >diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
> >index 76cc27e..18d8f80 100644
> >--- a/arch/arm/boot/dts/armada-38x.dtsi
> >+++ b/arch/arm/boot/dts/armada-38x.dtsi
> >@@ -345,6 +345,16 @@
> >  				clocks = <&mainpll>;
> >  				clock-output-names = "nand";
> >  			};
> >+
> >+			nand at d0000 {
> 
>    ePAPR standard [1] tells us:
> 
> The name of a node should be somewhat generic, reflecting the function of
> the device and not its precise programming model. If appropriate, the name
> should be one of the following choices:
> 
> [...]
> • flash
> 

I think 'nand' is generic enough, isn't it?

In any case, it seems sane to distinguish a NAND flash from a NOR flash,
from a SPI flash.

FWIW, quite a few other SoCs have chosen 'nand' for the node name, including
the other Armada variants. Was this a wrong choice?
-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com