Merge tag 'xgene-dts-for-v4.6-part2' of https://github.com/AppliedMicro/xgene-next into next/dt64

Merge "Second part of X-Gene DT changes queued for v4.6" from Duc Dang:

This patch set includes:
+ X-Gene v2 Mailbox DT node
+ X-Gene v1 and X-Gene v2 SLIMpro Mailbox
I2C driver DT nodes

* tag 'xgene-dts-for-v4.6-part2' of https://github.com/AppliedMicro/xgene-next:
  arm64: dts: apm: Add DT node for X-Gene v2 SLIMpro Mailbox I2C Driver
  arm64: dts: apm: Mailbox device tree node for APM X-Gene v2 platform.
  arm64: dts: apm: Add DT node for X-Gene v1 SLIMpro Mailbox I2C Driver
  arm64: dts: apm: mailbox device tree node for APM X-Gene platform.

arch/arm64/boot/dts/apm/apm-shadowcat.dtsi

@@ -453,6 +453,25 @@
 			};
 		};
 
+		mailbox: mailbox@10540000 {
+			compatible = "apm,xgene-slimpro-mbox";
+			reg = <0x0 0x10540000 0x0 0x8000>;
+			#mbox-cells = <1>;
+			interrupts =   <0x0 0x0 0x4
+					0x0 0x1 0x4
+					0x0 0x2 0x4
+					0x0 0x3 0x4
+					0x0 0x4 0x4
+					0x0 0x5 0x4
+					0x0 0x6 0x4
+					0x0 0x7 0x4>;
+		};
+
+		i2cslimpro {
+			compatible = "apm,xgene-slimpro-i2c";
+			mboxes = <&mailbox 0>;
+		};
+
 		serial0: serial@10600000 {
 			device_type = "serial";
 			compatible = "ns16550";

arch/arm64/boot/dts/apm/apm-storm.dtsi

@@ -691,6 +691,25 @@
 			msi-parent = <&msi>;
 		};
 
+		mailbox: mailbox@10540000 {
+			compatible = "apm,xgene-slimpro-mbox";
+			reg = <0x0 0x10540000 0x0 0xa000>;
+			#mbox-cells = <1>;
+			interrupts =    <0x0 0x0 0x4>,
+					<0x0 0x1 0x4>,
+					<0x0 0x2 0x4>,
+					<0x0 0x3 0x4>,
+					<0x0 0x4 0x4>,
+					<0x0 0x5 0x4>,
+					<0x0 0x6 0x4>,
+					<0x0 0x7 0x4>;
+		};
+
+		i2cslimpro {
+			compatible = "apm,xgene-slimpro-i2c";
+			mboxes = <&mailbox 0>;
+		};
+
 		serial0: serial@1c020000 {
 			status = "disabled";
 			device_type = "serial";