linux-kernel - Re: [PATCH v11 3/3] MIPS: dts: jz4780/ci20: Add NEMC, BCH and NAND device tree nodes

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Date:	Thu, 7 Jan 2016 09:40:13 +0000
From:	Harvey Hunt <harvey.hunt@...tec.com>
To:	Brian Norris <computersforpeace@...il.com>
CC:	<linux-mtd@...ts.infradead.org>,
	<boris.brezillon@...e-electrons.com>, <alex@...x-smith.me.uk>,
	Alex Smith <alex.smith@...tec.com>,
	"Zubair Lutfullah Kakakhel" <Zubair.Kakakhel@...tec.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Paul Burton <paul.burton@...tec.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-mips@...ux-mips.org>, <robh@...nel.org>
Subject: Re: [PATCH v11 3/3] MIPS: dts: jz4780/ci20: Add NEMC, BCH and NAND
 device tree nodes

Hi Brian,

On 07/01/16 01:29, Brian Norris wrote:
> On Mon, Jan 04, 2016 at 12:34:44PM +0000, Harvey Hunt wrote:
>> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
>> index 9fcb9e7..782258c 100644
>> --- a/arch/mips/boot/dts/ingenic/ci20.dts
>> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
>
> As I noted on patch 1, you need to send this to linux-mips + Ralf.

I forgot to CC Ralf on this version, but he took v9 (no change between 
v9 and v11) through linux-mips as can be seen here: 
http://patchwork.linux-mips.org/patch/11695/

>
>> @@ -42,3 +42,66 @@
>>   &uart4 {
>>   	status = "okay";
>>   };
>> +
>> +&nemc {
>> +	status = "okay";
>> +
>> +	nandc: nand-controller@1 {
>> +		compatible = "ingenic,jz4780-nand";
>> +		reg = <1 0 0x1000000>;
>> +
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>> +
>> +		ingenic,bch-controller = <&bch>;
>> +
>> +		ingenic,nemc-tAS = <10>;
>> +		ingenic,nemc-tAH = <5>;
>> +		ingenic,nemc-tBP = <10>;
>> +		ingenic,nemc-tAW = <15>;
>> +		ingenic,nemc-tSTRV = <100>;
>> +
>> +		nand@1 {
>> +			reg = <1>;
>> +
>> +			nand-ecc-step-size = <1024>;
>> +			nand-ecc-strength = <24>;
>> +			nand-ecc-mode = "hw";
>> +			nand-on-flash-bbt;
>> +
>> +			partitions {
>> +				#address-cells = <2>;
>> +				#size-cells = <2>;
>
> This binding was updated, so you need:
>
> 				compatible = "fixed-partitions";

This has been fixed in mips-linux here: 
http://patchwork.linux-mips.org/patch/11914/

Thanks,

Harvey

>
> Brian
>
>> +
>> +				partition@0 {
>> +					label = "u-boot-spl";
>> +					reg = <0x0 0x0 0x0 0x800000>;
>> +				};
>> +
>> +				partition@...00000 {
>> +					label = "u-boot";
>> +					reg = <0x0 0x800000 0x0 0x200000>;
>> +				};
>> +
>> +				partition@...00000 {
>> +					label = "u-boot-env";
>> +					reg = <0x0 0xa00000 0x0 0x200000>;
>> +				};
>> +
>> +				partition@...00000 {
>> +					label = "boot";
>> +					reg = <0x0 0xc00000 0x0 0x4000000>;
>> +				};
>> +
>> +				partition@...c00000 {
>> +					label = "system";
>> +					reg = <0x0 0x4c00000 0x1 0xfb400000>;
>> +				};
>> +			};
>> +		};
>> +	};
>> +};
>> +
>> +&bch {
>> +	status = "okay";
>> +};
>
> Brian
>
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