[PATCH] ARM: dts: aspeed-g5: Add mailbox and LPC Control nodes

[Cyril Bur <cyrilbur@gmail.com>]

This reserves BMC ram for host to BMC communication required by the
LPC control driver.

As both these devices exist on the LPC bus these nodes are children
of a new LPC node.

Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
---
 arch/arm/boot/dts/aspeed-g5.dtsi | 50 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index d6ff41ee6c58..51c339b46740 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -18,6 +18,18 @@
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		flash_memory: region@94000000 {
+			compatible = "aspeed,ast2500-lpc-ctrl";
+			no-map;
+			reg = <0x94000000 0x04000000>; /* 64M */
+		};
+	};
+
 	ahb {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -89,6 +101,44 @@
 			};
 		};
 
+		lpc: lpc@1e789000 {
+			compatible = "aspeed,ast2500-lpc", "simple-mfd";
+			reg = <0x1e789000 0x1000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x1e789000 0x1000>;
+
+			lpc_bmc: lpc-bmc@0 {
+				compatible = "aspeed,ast2500-lpc-bmc";
+				reg = <0x0 0x80>;
+			};
+
+			lpc_host: lpc-host@80 {
+				compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon";
+				reg = <0x80 0x1e0>;
+				reg-io-width = <4>;
+
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x80 0x1e0>;
+
+				lpc-ctrl@0 {
+					compatible = "aspeed,ast2500-lpc-ctrl";
+					memory-region = <&flash_memory>;
+					flash = <&spi1>;
+					reg = <0x0 0x80>;
+				};
+
+				mbox: mbox@180 {
+					compatible = "aspeed,ast2500-mbox";
+					reg = <0x180 0x5c>;
+					interrupts = <46>;
+					#mbox-cells = <1>;
+				};
+			};
+		};
+
 		vic: interrupt-controller@1e6c0080 {
 			compatible = "aspeed,ast2400-vic";
 			interrupt-controller;
-- 
2.11.0