diff --git a/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuapp.yaml b/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuapp.yaml
index 2f3e9d15fb3a..de2317afc518 100644
--- a/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuapp.yaml
+++ b/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuapp.yaml
@@ -10,7 +10,7 @@ toolchain:
   - xtools
   - zephyr
 sysbuild: true
-ram: 512
+ram: 415
 flash: 449
 supported:
   - adc
diff --git a/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.dts b/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.dts
index ea3c5d6ff6a6..3ed673dc8c5c 100644
--- a/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.dts
+++ b/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.dts
@@ -33,7 +33,7 @@
 
 		cpuflpr_code_partition: partition@0 {
 			label = "image-0";
-			reg = <0x0 DT_SIZE_K(64)>;
+			reg = <0x0 DT_SIZE_K(96)>;
 		};
 	};
 };
diff --git a/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.yaml b/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.yaml
index ef6374d0f915..dbf8adee1c17 100644
--- a/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.yaml
+++ b/boards/nordic/nrf54l20pdk/nrf54l20pdk_nrf54l20_cpuflpr.yaml
@@ -8,8 +8,10 @@ arch: riscv
 toolchain:
   - zephyr
 sysbuild: true
-ram: 64
-flash: 64
+ram: 96
+flash: 96
 supported:
   - counter
   - gpio
+  - i2c
+  - spi
diff --git a/dts/common/nordic/nrf54l20.dtsi b/dts/common/nordic/nrf54l20.dtsi
index 3dc439394ff0..4fdaece5407c 100644
--- a/dts/common/nordic/nrf54l20.dtsi
+++ b/dts/common/nordic/nrf54l20.dtsi
@@ -95,20 +95,22 @@
 
 		cpuapp_sram: memory@20000000 {
 			compatible = "mmio-sram";
-			reg = <0x20000000 DT_SIZE_K(447)>;
+			reg = <0x20000000 DT_SIZE_K(415)>;
 			#address-cells = <1>;
 			#size-cells = <1>;
-			ranges = <0x0 0x20000000 0x6fc00>;
+			ranges = <0x0 0x20000000 0x67c00>;
 		};
 
-		cpuflpr_sram: memory@2006fc00 {
+		cpuflpr_sram: memory@20067c00 {
 			compatible = "mmio-sram";
-			reg = <0x2006fc00 DT_SIZE_K(64)>;
+			reg = <0x20067c00 DT_SIZE_K(96)>;
 			#address-cells = <1>;
 			#size-cells = <1>;
-			ranges = <0x0 0x2006fc00 0x10000>;
+			ranges = <0x0 0x20067c00 0x18000>;
 		};
 
+		/* 0x20067c00 - 0x20080000; size 0x400 (1k): Reserved for VPR context */
+
 		global_peripherals: peripheral@50000000 {
 			ranges = <0x0 0x50000000 0x10000000>;
 			#address-cells = <1>;
@@ -805,14 +807,14 @@
 
 			cpuapp_rram: rram@0 {
 				compatible = "soc-nv-flash";
-				reg = <0x0 DT_SIZE_K(1972)>;
+				reg = <0x0 DT_SIZE_K(1940)>;
 				erase-block-size = <4096>;
 				write-block-size = <16>;
 			};
 
-			cpuflpr_rram: rram@1ed000 {
+			cpuflpr_rram: rram@1e5000 {
 				compatible = "soc-nv-flash";
-				reg = <0x1ed000 DT_SIZE_K(64)>;
+				reg = <0x1e5000 DT_SIZE_K(96)>;
 				erase-block-size = <4096>;
 				write-block-size = <16>;
 			};
diff --git a/snippets/nordic-flpr/soc/nrf54l20_cpuapp.overlay b/snippets/nordic-flpr/soc/nrf54l20_cpuapp.overlay
index 1d36ba5ac488..17942bef3d10 100644
--- a/snippets/nordic-flpr/soc/nrf54l20_cpuapp.overlay
+++ b/snippets/nordic-flpr/soc/nrf54l20_cpuapp.overlay
@@ -9,18 +9,18 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 
-			cpuflpr_code_partition: image@1ed000 {
+			cpuflpr_code_partition: image@1e5000 {
 				/* FLPR core code partition */
-				reg = <0x1ed000 DT_SIZE_K(64)>;
+				reg = <0x1e5000 DT_SIZE_K(96)>;
 			};
 		};
 
-		cpuflpr_sram_code_data: memory@2006fc00 {
+		cpuflpr_sram_code_data: memory@20067c00 {
 			compatible = "mmio-sram";
-			reg = <0x2006fc00 DT_SIZE_K(64)>;
+			reg = <0x20067c00 DT_SIZE_K(96)>;
 			#address-cells = <1>;
 			#size-cells = <1>;
-			ranges = <0x0 0x2006fc00 0x10000>;
+			ranges = <0x0 0x20067c00 0x18000>;
 		};
 	};
 };