dts: arm: stm32l452 dtsi files updated

Fixed warning for uppercase hex addresses and added stm32l452Xe.dtsi

Signed-off-by: Martin Jaeger <[email protected]>

Author: martinjaeger

dts/arm/st/l4/stm32l452.dtsi

@@ -78,11 +78,11 @@
 			label = "SPI_2";
 		};
 
-		spi3: spi@40003C00 {
+		spi3: spi@40003c00 {
 			compatible = "st,stm32-spi-fifo";
 			#address-cells = <1>;
 			#size-cells = <0>;
-			reg = <0x40003C00 0x400>;
+			reg = <0x40003c00 0x400>;
 			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00008000>;
 			interrupts = <51 5>;
 			status = "disabled";
@@ -98,9 +98,9 @@
 			label = "UART_3";
 		};
 
-		uart4: serial@40004C00 {
+		uart4: serial@40004c00 {
 			compatible = "st,stm32-uart";
-			reg = <0x40004C00 0x400>;
+			reg = <0x40004c00 0x400>;
 			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>;
 			interrupts = <52 0>;
 			status = "disabled";

dts/arm/st/l4/stm32l452Xe.dtsi

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2018 Libre Solar Technologies GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/l4/stm32l452.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(160)>;
+	};
+
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_K(512)>;
+			};
+		};
+	};
+};