diff --git a/fdts/stm32mp13-ddr.dtsi b/fdts/stm32mp13-ddr.dtsi
new file mode 100644
index 0000000..56eb36e
--- /dev/null
+++ b/fdts/stm32mp13-ddr.dtsi
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
+ */
+
+&ddr {
+	st,mem-name = DDR_MEM_NAME;
+	st,mem-speed = <DDR_MEM_SPEED>;
+	st,mem-size = <DDR_MEM_SIZE>;
+
+	st,ctl-reg = <
+		DDR_MSTR
+		DDR_MRCTRL0
+		DDR_MRCTRL1
+		DDR_DERATEEN
+		DDR_DERATEINT
+		DDR_PWRCTL
+		DDR_PWRTMG
+		DDR_HWLPCTL
+		DDR_RFSHCTL0
+		DDR_RFSHCTL3
+		DDR_CRCPARCTL0
+		DDR_ZQCTL0
+		DDR_DFITMG0
+		DDR_DFITMG1
+		DDR_DFILPCFG0
+		DDR_DFIUPD0
+		DDR_DFIUPD1
+		DDR_DFIUPD2
+		DDR_DFIPHYMSTR
+		DDR_ODTMAP
+		DDR_DBG0
+		DDR_DBG1
+		DDR_DBGCMD
+		DDR_POISONCFG
+		DDR_PCCFG
+	>;
+
+	st,ctl-timing = <
+		DDR_RFSHTMG
+		DDR_DRAMTMG0
+		DDR_DRAMTMG1
+		DDR_DRAMTMG2
+		DDR_DRAMTMG3
+		DDR_DRAMTMG4
+		DDR_DRAMTMG5
+		DDR_DRAMTMG6
+		DDR_DRAMTMG7
+		DDR_DRAMTMG8
+		DDR_DRAMTMG14
+		DDR_ODTCFG
+	>;
+
+	st,ctl-map = <
+		DDR_ADDRMAP1
+		DDR_ADDRMAP2
+		DDR_ADDRMAP3
+		DDR_ADDRMAP4
+		DDR_ADDRMAP5
+		DDR_ADDRMAP6
+		DDR_ADDRMAP9
+		DDR_ADDRMAP10
+		DDR_ADDRMAP11
+	>;
+
+	st,ctl-perf = <
+		DDR_SCHED
+		DDR_SCHED1
+		DDR_PERFHPR1
+		DDR_PERFLPR1
+		DDR_PERFWR1
+		DDR_PCFGR_0
+		DDR_PCFGW_0
+		DDR_PCFGQOS0_0
+		DDR_PCFGQOS1_0
+		DDR_PCFGWQOS0_0
+		DDR_PCFGWQOS1_0
+	>;
+
+	st,phy-reg = <
+		DDR_PGCR
+		DDR_ACIOCR
+		DDR_DXCCR
+		DDR_DSGCR
+		DDR_DCR
+		DDR_ODTCR
+		DDR_ZQ0CR1
+		DDR_DX0GCR
+		DDR_DX1GCR
+	>;
+
+	st,phy-timing = <
+		DDR_PTR0
+		DDR_PTR1
+		DDR_PTR2
+		DDR_DTPR0
+		DDR_DTPR1
+		DDR_DTPR2
+		DDR_MR0
+		DDR_MR1
+		DDR_MR2
+		DDR_MR3
+	>;
+};
+
+#undef DDR_MEM_NAME
+#undef DDR_MEM_SPEED
+#undef DDR_MEM_SIZE
+#undef DDR_MSTR
+#undef DDR_MRCTRL0
+#undef DDR_MRCTRL1
+#undef DDR_DERATEEN
+#undef DDR_DERATEINT
+#undef DDR_PWRCTL
+#undef DDR_PWRTMG
+#undef DDR_HWLPCTL
+#undef DDR_RFSHCTL0
+#undef DDR_RFSHCTL3
+#undef DDR_RFSHTMG
+#undef DDR_CRCPARCTL0
+#undef DDR_DRAMTMG0
+#undef DDR_DRAMTMG1
+#undef DDR_DRAMTMG2
+#undef DDR_DRAMTMG3
+#undef DDR_DRAMTMG4
+#undef DDR_DRAMTMG5
+#undef DDR_DRAMTMG6
+#undef DDR_DRAMTMG7
+#undef DDR_DRAMTMG8
+#undef DDR_DRAMTMG14
+#undef DDR_ZQCTL0
+#undef DDR_DFITMG0
+#undef DDR_DFITMG1
+#undef DDR_DFILPCFG0
+#undef DDR_DFIUPD0
+#undef DDR_DFIUPD1
+#undef DDR_DFIUPD2
+#undef DDR_DFIPHYMSTR
+#undef DDR_ADDRMAP1
+#undef DDR_ADDRMAP2
+#undef DDR_ADDRMAP3
+#undef DDR_ADDRMAP4
+#undef DDR_ADDRMAP5
+#undef DDR_ADDRMAP6
+#undef DDR_ADDRMAP9
+#undef DDR_ADDRMAP10
+#undef DDR_ADDRMAP11
+#undef DDR_ODTCFG
+#undef DDR_ODTMAP
+#undef DDR_SCHED
+#undef DDR_SCHED1
+#undef DDR_PERFHPR1
+#undef DDR_PERFLPR1
+#undef DDR_PERFWR1
+#undef DDR_DBG0
+#undef DDR_DBG1
+#undef DDR_DBGCMD
+#undef DDR_POISONCFG
+#undef DDR_PCCFG
+#undef DDR_PCFGR_0
+#undef DDR_PCFGW_0
+#undef DDR_PCFGQOS0_0
+#undef DDR_PCFGQOS1_0
+#undef DDR_PCFGWQOS0_0
+#undef DDR_PCFGWQOS1_0
+#undef DDR_PGCR
+#undef DDR_PTR0
+#undef DDR_PTR1
+#undef DDR_PTR2
+#undef DDR_ACIOCR
+#undef DDR_DXCCR
+#undef DDR_DSGCR
+#undef DDR_DCR
+#undef DDR_DTPR0
+#undef DDR_DTPR1
+#undef DDR_DTPR2
+#undef DDR_MR0
+#undef DDR_MR1
+#undef DDR_MR2
+#undef DDR_MR3
+#undef DDR_ODTCR
+#undef DDR_ZQ0CR1
+#undef DDR_DX0GCR
+#undef DDR_DX1GCR
diff --git a/fdts/stm32mp13-ddr3-1x4Gb-1066-binF.dtsi b/fdts/stm32mp13-ddr3-1x4Gb-1066-binF.dtsi
new file mode 100644
index 0000000..a5f7989
--- /dev/null
+++ b/fdts/stm32mp13-ddr3-1x4Gb-1066-binF.dtsi
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
+ *
+ * STM32MP135C DISCO BOARD configuration
+ * 1x DDR3L 4Gb, 16-bit, 533MHz.
+ * Reference used MT41K256M16TW-107 P from Micron
+ *
+ * DDR type / Platform	DDR3/3L
+ * freq		533MHz
+ * width	16
+ * datasheet	1
+ * DDR density	4
+ * timing mode	optimized
+ * Scheduling/QoS options : type = 6
+ * address mapping : RBC
+ * Tc > + 85C : N
+ */
+#define DDR_MEM_NAME "DDR3-1066 bin F 1x4Gb 533MHz v1.53"
+#define DDR_MEM_SPEED 533000
+#define DDR_MEM_SIZE 0x20000000
+
+#define DDR_MSTR 0x00040401
+#define DDR_MRCTRL0 0x00000010
+#define DDR_MRCTRL1 0x00000000
+#define DDR_DERATEEN 0x00000000
+#define DDR_DERATEINT 0x00800000
+#define DDR_PWRCTL 0x00000000
+#define DDR_PWRTMG 0x00400010
+#define DDR_HWLPCTL 0x00000000
+#define DDR_RFSHCTL0 0x00210000
+#define DDR_RFSHCTL3 0x00000000
+#define DDR_RFSHTMG 0x0081008B
+#define DDR_CRCPARCTL0 0x00000000
+#define DDR_DRAMTMG0 0x121B2414
+#define DDR_DRAMTMG1 0x000A041B
+#define DDR_DRAMTMG2 0x0607080F
+#define DDR_DRAMTMG3 0x0050400C
+#define DDR_DRAMTMG4 0x07040607
+#define DDR_DRAMTMG5 0x06060403
+#define DDR_DRAMTMG6 0x02020002
+#define DDR_DRAMTMG7 0x00000202
+#define DDR_DRAMTMG8 0x00001005
+#define DDR_DRAMTMG14 0x000000A0
+#define DDR_ZQCTL0 0xC2000040
+#define DDR_DFITMG0 0x02050105
+#define DDR_DFITMG1 0x00000202
+#define DDR_DFILPCFG0 0x07000000
+#define DDR_DFIUPD0 0xC0400003
+#define DDR_DFIUPD1 0x00000000
+#define DDR_DFIUPD2 0x00000000
+#define DDR_DFIPHYMSTR 0x00000000
+#define DDR_ADDRMAP1 0x00080808
+#define DDR_ADDRMAP2 0x00000000
+#define DDR_ADDRMAP3 0x00000000
+#define DDR_ADDRMAP4 0x00001F1F
+#define DDR_ADDRMAP5 0x07070707
+#define DDR_ADDRMAP6 0x0F070707
+#define DDR_ADDRMAP9 0x00000000
+#define DDR_ADDRMAP10 0x00000000
+#define DDR_ADDRMAP11 0x00000000
+#define DDR_ODTCFG 0x06000600
+#define DDR_ODTMAP 0x00000001
+#define DDR_SCHED 0x00000F01
+#define DDR_SCHED1 0x00000000
+#define DDR_PERFHPR1 0x00000001
+#define DDR_PERFLPR1 0x04000200
+#define DDR_PERFWR1 0x08000400
+#define DDR_DBG0 0x00000000
+#define DDR_DBG1 0x00000000
+#define DDR_DBGCMD 0x00000000
+#define DDR_POISONCFG 0x00000000
+#define DDR_PCCFG 0x00000010
+#define DDR_PCFGR_0 0x00000000
+#define DDR_PCFGW_0 0x00000000
+#define DDR_PCFGQOS0_0 0x00100009
+#define DDR_PCFGQOS1_0 0x00000020
+#define DDR_PCFGWQOS0_0 0x01100B03
+#define DDR_PCFGWQOS1_0 0x01000200
+#define DDR_PGCR 0x01442E02
+#define DDR_PTR0 0x0022AA5B
+#define DDR_PTR1 0x04841104
+#define DDR_PTR2 0x042DA068
+#define DDR_ACIOCR 0x10400812
+#define DDR_DXCCR 0x00000C40
+#define DDR_DSGCR 0xF200011F
+#define DDR_DCR 0x0000000B
+#define DDR_DTPR0 0x36D477D0
+#define DDR_DTPR1 0x098B00D8
+#define DDR_DTPR2 0x10023600
+#define DDR_MR0 0x00000830
+#define DDR_MR1 0x00000000
+#define DDR_MR2 0x00000208
+#define DDR_MR3 0x00000000
+#define DDR_ODTCR 0x00010000
+#define DDR_ZQ0CR1 0x00000038
+#define DDR_DX0GCR 0x0000CE81
+#define DDR_DX1GCR 0x0000CE81
+
+#include "stm32mp13-ddr.dtsi"
diff --git a/fdts/stm32mp131.dtsi b/fdts/stm32mp131.dtsi
index 9b316e6..dff1b33 100644
--- a/fdts/stm32mp131.dtsi
+++ b/fdts/stm32mp131.dtsi
@@ -403,6 +403,21 @@
 			status = "disabled";
 		};
 
+		ddr: ddr@5a003000{
+			compatible = "st,stm32mp13-ddr";
+			reg = <0x5a003000 0x550>, <0x5a004000 0x234>;
+			clocks = <&rcc AXIDCG>,
+				 <&rcc DDRC1>,
+				 <&rcc DDRPHYC>,
+				 <&rcc DDRCAPB>,
+				 <&rcc DDRPHYCAPB>;
+			clock-names = "axidcg",
+				      "ddrc1",
+				      "ddrphyc",
+				      "ddrcapb",
+				      "ddrphycapb";
+		};
+
 		usbphyc: usbphyc@5a006000 {
 			#address-cells = <1>;
 			#size-cells = <0>;