[RFC PATCH 4/4] ARM: at91/dt: sama5d2: add nand0 and nfc0 nodes

[Yang, Wenyou]

> -----Original Message-----
> From: linux-mtd [mailto:linux-mtd-bounces at lists.infradead.org] On Behalf Of
> Romain Izard
> Sent: 2016年1月12日 22:34
> To: linux-mtd at lists.infradead.org; devicetree at vger.kernel.org
> Cc: Wu, Josh <Josh.wu at atmel.com>; Romain Izard
> <romain.izard.pro at gmail.com>; Ferre, Nicolas <Nicolas.FERRE at atmel.com>
> Subject: [RFC PATCH 4/4] ARM: at91/dt: sama5d2: add nand0 and nfc0 nodes
> 
> Both nodes are required to access NAND Flash memory. Additional settings will
> be necessary at the board level to use it.
> 
> Signed-off-by: Romain Izard <romain.izard.pro at gmail.com>
> ---
>  arch/arm/boot/dts/sama5d2.dtsi | 38
> ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index
> aee571448342..80420177ec1a 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -265,6 +265,44 @@
>  			cache-level = <2>;
>  		};
> 
> +		nand0: nand at 80000000 {
> +			compatible = "atmel,sama5d2-nand";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
> +			reg = < /* EBI CS3 */
> +				0x80000000 0x08000000
> +				/* SMC PMECC regs */
> +				0xf8014070 0x00000490
> +				/* SMC PMECC Error Location regs */
> +				0xf8014500 0x00000200
> +				/* ROM Galois tables */
> +				0x00040000 0x00018000

As there is no PMECC lookup table in ROM exported, remove this line.

> +				>;
> +			interrupts = <17 IRQ_TYPE_LEVEL_HIGH 6>;
> +			atmel,nand-addr-offset = <21>;
> +			atmel,nand-cmd-offset = <22>;
> +			atmel,nand-has-dma;
> +			atmel,has-pmecc;
> +			atmel,pmecc-lookup-table-offset = <0x0 0x8000>;

Ditto, remove this line.

> +			status = "disabled";
> +
> +			nfc at 90000000 {
> +				compatible = "atmel,sama5d4-nfc";
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +				reg = < /* NFC Command Registers */
> +					0xC0000000 0x08000000
> +					/* NFC HSMC regs */
> +					0xf8014000 0x00000070
> +					/* NFC SRAM banks */
> +					0x00100000 0x00100000
> +					>;
> +				clocks = <&hsmc_clk>;
> +				atmel,write-by-sram;
> +			};
> +		};
> +
>  		sdmmc0: sdio-host at a0000000 {
>  			compatible = "atmel,sama5d2-sdhci";
>  			reg = <0xa0000000 0x300>;
> --
> 2.5.0
> 


Best Regards,
Wenyou Yang