[PATCH v4 5/5] ARM: at91/dt: sama5d2: add nand0 and nfc0 nodes

Romain Izard romain.izard.pro at gmail.com
Wed Feb 10 01:56:27 PST 2016


Both nodes are required to access NAND Flash memory. Additional
settings will be necessary at the board level to use it.

Tested-by: Wenyou Yang <wenyou.yang at atmel.com>
Reviewed-by: Boris Brezillon <boris.brezillon at free-electrons.com>
Signed-off-by: Romain Izard <romain.izard.pro at gmail.com>
---
v4: collect Tested-by and Reviewed-by tags
v3: no change
v2: fix device address, hexadecimal with minuscules

 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 3f750f6170f2..484bd8ea6602 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -263,6 +263,44 @@
 			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 c0000000 {
+				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




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