[PATCH v7 1/2] mtd: nand: add tango NFC dt bindings doc
Marc Gonzalez
marc_gonzalez at sigmadesigns.com
Mon Nov 7 01:26:48 PST 2016
On 07/11/2016 10:18, Arnd Bergmann wrote:
> On Tuesday, October 25, 2016 3:15:50 PM CET Marc Gonzalez wrote:
>> Add the tango NAND Flash Controller dt bindings documentation.
>>
>> Signed-off-by: Marc Gonzalez <marc_gonzalez at sigmadesigns.com>
>> ---
>> Documentation/devicetree/bindings/mtd/tango-nand.txt | 38 ++++++++++++++++++++++++++++++
>> 1 file changed, 38 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mtd/tango-nand.txt b/Documentation/devicetree/bindings/mtd/tango-nand.txt
>> new file mode 100644
>> index 000000000000..3cbf95d6595a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mtd/tango-nand.txt
>> @@ -0,0 +1,38 @@
>> +Sigma Designs Tango4 NAND Flash Controller (NFC)
>> +
>> +Required properties:
>> +
>> +- compatible: "sigma,smp8758-nand"
>> +- reg: address/size of nfc_reg, nfc_mem, and pbus_reg
>> +- dmas: reference to the DMA channel used by the controller
>> +- dma-names: "nfc_sbox"
>
> Drop the "nfc_" prefix here, it seems redundant.
I don't think it's redundant; there are switch boxes for several
different HW blocks; nfc_sbox is the first one to be exposed.
>> +- clocks: reference to the system clock
>> +- #address-cells: <1>
>> +- #size-cells: <0>
>> +
>> +Children nodes represent the available NAND chips.
>> +See Documentation/devicetree/bindings/mtd/nand.txt for generic bindings.
>> +
>> +Example:
>> +
>> + nand: nand at 2c000 {
>> + compatible = "sigma,smp8758-nand";
>> + reg = <0x2c000 0x30 0x2d000 0x800 0x20000 0x1000>;
>
> It would be nicer to write this as
>
> reg = <0x2c000 0x30>, <0x2d000 0x800>, <0x20000 0x1000>;
>
> which is identical in binary format.
I didn't know that, thanks for pointing it out.
Unfortunately, Boris already accepted the patch yesterday :-(
Boris, do you fixup patches in your tree?
Regards.
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