[PATCH v1 5/5] ARM: at91/dt: sama5d2: add nand0 and nfc0 nodes
Romain Izard
romain.izard.pro at gmail.com
Wed Jan 13 08:34:17 PST 2016
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
+ >;
+ 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>;
+ 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
More information about the linux-mtd
mailing list