Re: [PATCH v2 06/29] mtd: Add support for reading MTD devices via the nvmem API

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On Mon, 20 Aug 2018 20:20:38 +0200
Boris Brezillon <boris.brezillon@xxxxxxxxxxx> wrote:

> On Mon, 20 Aug 2018 11:43:34 +0100
> Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> wrote:
> 
> > 
> > Overall am still not able to clear visualize on how MTD bindings with 
> > nvmem cells would look in both partition and un-partition usecases?
> > An example DT would be nice here!!  
> 
> Something along those lines:

We must also have a compatible string on the nvmem-cells node to make
sure we don't clash with the old style MTD partitions, or some other
device specific binding.

> 
> 	mtdnode {
> 		nvmem-cells {
                        compatible = "nvmem-cells";
> 			#address-cells = <1>;
> 			#size-cells = <1>;
> 
> 			cell@0 {
> 				reg = <0x0 0x14>;
> 			};
> 		};
> 
> 		partitions {
> 			compatible = "fixed-partitions";
> 			#address-cells = <1>;
> 			#size-cells = <1>;
> 
> 			partition@0 {
> 				reg = <0x0 0x20000>;
> 
> 				nvmem-cells {
                                        compatible = "nvmem-cells";
> 					#address-cells = <1>;
> 					#size-cells = <1>;
> 
> 					cell@0 {
> 						reg = <0x0 0x10>;
> 					};
> 				};
> 			};
> 		};
> 	};


Alban

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