arm64: dts: marvell: armada-37xx: add a crypto node

This patch adds a crypto node describing the EIP97 engine found in
Armada 37xx SoCs. The cryptographic engine is enabled by default.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm64/boot/dts/marvell/armada-37xx.dtsi

@@ -316,6 +316,20 @@ xor11 {
 				};
 			};
 
+			crypto: crypto@90000 {
+				compatible = "inside-secure,safexcel-eip97";
+				reg = <0x90000 0x20000>;
+				interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "mem", "ring0", "ring1",
+						  "ring2", "ring3", "eip";
+				clocks = <&nb_periph_clk 15>;
+			};
+
 			sdhci1: sdhci@d0000 {
 				compatible = "marvell,armada-3700-sdhci",
 					     "marvell,sdhci-xenon";