linux-kernel - Re: [PATCH v7,3/3] MIPS: dts: jz4780/ci20: Add NEMC, BCH and NAND device tree nodes

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Date:	Fri, 16 Oct 2015 11:11:29 +0100
From:	Alex Smith <alex@...x-smith.me.uk>
To:	James Hogan <james.hogan@...tec.com>
Cc:	Harvey Hunt <harvey.hunt@...tec.com>,
	linux-mtd@...ts.infradead.org, Alex Smith <alex.smith@...tec.com>,
	Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Paul Burton <paul.burton@...tec.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips <linux-mips@...ux-mips.org>
Subject: Re: [PATCH v7,3/3] MIPS: dts: jz4780/ci20: Add NEMC, BCH and NAND
 device tree nodes

Hi James,

On 15 October 2015 at 09:47, James Hogan <james.hogan@...tec.com> wrote:
>> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
>> index 9fcb9e7..453f1d3 100644
>> --- a/arch/mips/boot/dts/ingenic/ci20.dts
>> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
>> @@ -42,3 +42,57 @@
>>  &uart4 {
>>       status = "okay";
>>  };
>> +
>> +&nemc {
>> +     status = "okay";
>> +
>> +     nand: nand@1 {
>> +             compatible = "ingenic,jz4780-nand";
>
> Isn't the NAND a micron part? This doesn't seem right. Is the device
> driver and binding already accepted upstream with that compatible
> string?

This is the compatible string for the JZ4780 NAND driver, this patch
is part of the series adding that. Detection of the NAND part is
handled by the MTD subsystem.

Thanks,
Alex
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