> -----Original Message----- > From: linux-mtd [mailto:linux-mtd-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of > Romain Izard > Sent: 2016年1月12日 22:34 > To: linux-mtd@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx > Cc: Wu, Josh <Josh.wu@xxxxxxxxx>; Romain Izard > <romain.izard.pro@xxxxxxxxx>; Ferre, Nicolas <Nicolas.FERRE@xxxxxxxxx> > 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@xxxxxxxxx> > --- > 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@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@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@a0000000 { > compatible = "atmel,sama5d2-sdhci"; > reg = <0xa0000000 0x300>; > -- > 2.5.0 > Best Regards, Wenyou Yang ?韬{.n?????%??檩??w?{.n????z谵{???塄}?财??j:+v?? ? ???2??璀??摺?囤??z夸z罐?+?????w棹f
