arm64: dts: marvell: Enable spi0 on the board Armada-3720-db

This commit enables the device node spi0 on the official development
board for the Marvell Armada 3700. It also adds sub-node for the 128Mb
SPI-NOR present on the board.

Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
index 89de0a751093..0c236d8306fc 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
@@ -67,6 +67,36 @@
         status = "okay";
 };
 
+&spi0 {
+        status = "okay";
+
+        m25p80@0 {
+                compatible = "jedec,spi-nor";
+                reg = <0>;
+                spi-max-frequency = <108000000>;
+                spi-rx-bus-width = <4>;
+                spi-tx-bus-width = <4>;
+
+                partitions {
+                        compatible = "fixed-partitions";
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        partition@0 {
+                                label = "bootloader";
+                                reg = <0x0 0x200000>;
+                        };
+                        partition@200000 {
+                                label = "U-boot Env";
+                                reg = <0x200000 0x10000>;
+                        };
+                        partition@210000 {
+                                label = "Linux";
+                                reg = <0x210000 0xDF0000>;
+                        };
+                };
+        };
+};
+
 /* Exported on the micro USB connector CON32 through an FTDI */
 &uart0 {
         status = "okay";