diff --git a/fdts/stm32mp157a-dk1-sp_min-fw-config.dts b/fdts/stm32mp157a-dk1-sp_min-fw-config.dts
new file mode 100644
index 0000000..40164f3
--- /dev/null
+++ b/fdts/stm32mp157a-dk1-sp_min-fw-config.dts
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#define DDR_SIZE	0x20000000 /* 512MB */
+#include "stm32mp15-fw-config.dtsi"
diff --git a/fdts/stm32mp157a-dk1-sp_min.dts b/fdts/stm32mp157a-dk1-sp_min.dts
new file mode 100644
index 0000000..ac5c2af
--- /dev/null
+++ b/fdts/stm32mp157a-dk1-sp_min.dts
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#include "stm32mp157a-dk1.dts"
+
+/ {
+	model = "STMicroelectronics STM32MP157A-DK1 Discovery Board (SP_MIN)";
+};
+
+&rcc {
+	st,clksrc = <
+		CLK_MPU_PLL1P
+		CLK_AXI_PLL2P
+		CLK_MCU_PLL3P
+		CLK_RTC_LSE
+		CLK_MCO1_DISABLED
+		CLK_MCO2_DISABLED
+		CLK_CKPER_HSE
+		CLK_FMC_ACLK
+		CLK_QSPI_ACLK
+		CLK_ETH_PLL4P
+		CLK_SDMMC12_PLL4P
+		CLK_DSI_DSIPLL
+		CLK_STGEN_HSE
+		CLK_USBPHY_HSE
+		CLK_SPI2S1_PLL3Q
+		CLK_SPI2S23_PLL3Q
+		CLK_SPI45_HSI
+		CLK_SPI6_HSI
+		CLK_I2C46_HSI
+		CLK_SDMMC3_PLL4P
+		CLK_USBO_USBPHY
+		CLK_ADC_CKPER
+		CLK_CEC_LSE
+		CLK_I2C12_HSI
+		CLK_I2C35_HSI
+		CLK_UART1_HSI
+		CLK_UART24_HSI
+		CLK_UART35_HSI
+		CLK_UART6_HSI
+		CLK_UART78_HSI
+		CLK_SPDIF_PLL4P
+		CLK_FDCAN_PLL4R
+		CLK_SAI1_PLL3Q
+		CLK_SAI2_PLL3Q
+		CLK_SAI3_PLL3Q
+		CLK_SAI4_PLL3Q
+		CLK_RNG1_CSI
+		CLK_RNG2_LSI
+		CLK_LPTIM1_PCLK1
+		CLK_LPTIM23_PCLK3
+		CLK_LPTIM45_LSE
+	>;
+
+	st,clkdiv = <
+		DIV(DIV_MPU, 1)
+		DIV(DIV_AXI, 0)
+		DIV(DIV_MCU, 0)
+		DIV(DIV_APB1, 1)
+		DIV(DIV_APB2, 1)
+		DIV(DIV_APB3, 1)
+		DIV(DIV_APB4, 1)
+		DIV(DIV_APB5, 2)
+		DIV(DIV_MCO1, 0)
+		DIV(DIV_MCO2, 0)
+	>;
+};
diff --git a/fdts/stm32mp157c-dk2-sp_min-fw-config.dts b/fdts/stm32mp157c-dk2-sp_min-fw-config.dts
new file mode 100644
index 0000000..40164f3
--- /dev/null
+++ b/fdts/stm32mp157c-dk2-sp_min-fw-config.dts
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#define DDR_SIZE	0x20000000 /* 512MB */
+#include "stm32mp15-fw-config.dtsi"
diff --git a/fdts/stm32mp157c-dk2-sp_min.dts b/fdts/stm32mp157c-dk2-sp_min.dts
new file mode 100644
index 0000000..350cd34
--- /dev/null
+++ b/fdts/stm32mp157c-dk2-sp_min.dts
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#include "stm32mp157c-dk2.dts"
+
+/ {
+	model = "STMicroelectronics STM32MP157C-DK2 Discovery Board (SP_MIN)";
+};
+
+&rcc {
+	st,clksrc = <
+		CLK_MPU_PLL1P
+		CLK_AXI_PLL2P
+		CLK_MCU_PLL3P
+		CLK_RTC_LSE
+		CLK_MCO1_DISABLED
+		CLK_MCO2_DISABLED
+		CLK_CKPER_HSE
+		CLK_FMC_ACLK
+		CLK_QSPI_ACLK
+		CLK_ETH_PLL4P
+		CLK_SDMMC12_PLL4P
+		CLK_DSI_DSIPLL
+		CLK_STGEN_HSE
+		CLK_USBPHY_HSE
+		CLK_SPI2S1_PLL3Q
+		CLK_SPI2S23_PLL3Q
+		CLK_SPI45_HSI
+		CLK_SPI6_HSI
+		CLK_I2C46_HSI
+		CLK_SDMMC3_PLL4P
+		CLK_USBO_USBPHY
+		CLK_ADC_CKPER
+		CLK_CEC_LSE
+		CLK_I2C12_HSI
+		CLK_I2C35_HSI
+		CLK_UART1_HSI
+		CLK_UART24_HSI
+		CLK_UART35_HSI
+		CLK_UART6_HSI
+		CLK_UART78_HSI
+		CLK_SPDIF_PLL4P
+		CLK_FDCAN_PLL4R
+		CLK_SAI1_PLL3Q
+		CLK_SAI2_PLL3Q
+		CLK_SAI3_PLL3Q
+		CLK_SAI4_PLL3Q
+		CLK_RNG1_CSI
+		CLK_RNG2_LSI
+		CLK_LPTIM1_PCLK1
+		CLK_LPTIM23_PCLK3
+		CLK_LPTIM45_LSE
+	>;
+
+	st,clkdiv = <
+		DIV(DIV_MPU, 1)
+		DIV(DIV_AXI, 0)
+		DIV(DIV_MCU, 0)
+		DIV(DIV_APB1, 1)
+		DIV(DIV_APB2, 1)
+		DIV(DIV_APB3, 1)
+		DIV(DIV_APB4, 1)
+		DIV(DIV_APB5, 2)
+		DIV(DIV_MCO1, 0)
+		DIV(DIV_MCO2, 0)
+	>;
+};
diff --git a/fdts/stm32mp157c-ed1-sp_min-fw-config.dts b/fdts/stm32mp157c-ed1-sp_min-fw-config.dts
new file mode 100644
index 0000000..5aff97f
--- /dev/null
+++ b/fdts/stm32mp157c-ed1-sp_min-fw-config.dts
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#define DDR_SIZE	0x40000000 /* 1GB */
+#include "stm32mp15-fw-config.dtsi"
diff --git a/fdts/stm32mp157c-ed1-sp_min.dts b/fdts/stm32mp157c-ed1-sp_min.dts
new file mode 100644
index 0000000..85d4fb1
--- /dev/null
+++ b/fdts/stm32mp157c-ed1-sp_min.dts
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#include "stm32mp157c-ed1.dts"
+
+/ {
+	model = "STMicroelectronics STM32MP157C eval daughter (SP_MIN)";
+};
+
+&rcc {
+	st,clksrc = <
+		CLK_MPU_PLL1P
+		CLK_AXI_PLL2P
+		CLK_MCU_PLL3P
+		CLK_RTC_LSE
+		CLK_MCO1_DISABLED
+		CLK_MCO2_DISABLED
+		CLK_CKPER_HSE
+		CLK_FMC_ACLK
+		CLK_QSPI_ACLK
+		CLK_ETH_PLL4P
+		CLK_SDMMC12_PLL4P
+		CLK_DSI_DSIPLL
+		CLK_STGEN_HSE
+		CLK_USBPHY_HSE
+		CLK_SPI2S1_PLL3Q
+		CLK_SPI2S23_PLL3Q
+		CLK_SPI45_HSI
+		CLK_SPI6_HSI
+		CLK_I2C46_HSI
+		CLK_SDMMC3_PLL4P
+		CLK_USBO_USBPHY
+		CLK_ADC_CKPER
+		CLK_CEC_LSE
+		CLK_I2C12_HSI
+		CLK_I2C35_HSI
+		CLK_UART1_HSI
+		CLK_UART24_HSI
+		CLK_UART35_HSI
+		CLK_UART6_HSI
+		CLK_UART78_HSI
+		CLK_SPDIF_PLL4P
+		CLK_FDCAN_PLL4R
+		CLK_SAI1_PLL3Q
+		CLK_SAI2_PLL3Q
+		CLK_SAI3_PLL3Q
+		CLK_SAI4_PLL3Q
+		CLK_RNG1_CSI
+		CLK_RNG2_LSI
+		CLK_LPTIM1_PCLK1
+		CLK_LPTIM23_PCLK3
+		CLK_LPTIM45_LSE
+	>;
+
+	st,clkdiv = <
+		DIV(DIV_MPU, 1)
+		DIV(DIV_AXI, 0)
+		DIV(DIV_MCU, 0)
+		DIV(DIV_APB1, 1)
+		DIV(DIV_APB2, 1)
+		DIV(DIV_APB3, 1)
+		DIV(DIV_APB4, 1)
+		DIV(DIV_APB5, 2)
+		DIV(DIV_MCO1, 0)
+		DIV(DIV_MCO2, 0)
+	>;
+};
diff --git a/fdts/stm32mp157c-ed1.dts b/fdts/stm32mp157c-ed1.dts
index fe5f464..dddfe3a 100644
--- a/fdts/stm32mp157c-ed1.dts
+++ b/fdts/stm32mp157c-ed1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (c) 2017-2024, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2017-2025, STMicroelectronics - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 /dts-v1/;
@@ -195,43 +195,13 @@
 		CLK_AXI_PLL2P
 		CLK_MCU_PLL3P
 		CLK_RTC_LSE
-		CLK_MCO1_DISABLED
-		CLK_MCO2_DISABLED
 		CLK_CKPER_HSE
 		CLK_FMC_ACLK
 		CLK_QSPI_ACLK
-		CLK_ETH_PLL4P
 		CLK_SDMMC12_PLL4P
-		CLK_DSI_DSIPLL
 		CLK_STGEN_HSE
-		CLK_USBPHY_HSE
-		CLK_SPI2S1_PLL3Q
-		CLK_SPI2S23_PLL3Q
-		CLK_SPI45_HSI
-		CLK_SPI6_HSI
 		CLK_I2C46_HSI
-		CLK_SDMMC3_PLL4P
-		CLK_USBO_USBPHY
-		CLK_ADC_CKPER
-		CLK_CEC_LSE
-		CLK_I2C12_HSI
-		CLK_I2C35_HSI
-		CLK_UART1_HSI
 		CLK_UART24_HSI
-		CLK_UART35_HSI
-		CLK_UART6_HSI
-		CLK_UART78_HSI
-		CLK_SPDIF_PLL4P
-		CLK_FDCAN_PLL4R
-		CLK_SAI1_PLL3Q
-		CLK_SAI2_PLL3Q
-		CLK_SAI3_PLL3Q
-		CLK_SAI4_PLL3Q
-		CLK_RNG1_CSI
-		CLK_RNG2_LSI
-		CLK_LPTIM1_PCLK1
-		CLK_LPTIM23_PCLK3
-		CLK_LPTIM45_LSE
 	>;
 
 	st,clkdiv = <
@@ -244,8 +214,6 @@
 		DIV(DIV_APB4, 1)
 		DIV(DIV_APB5, 2)
 		DIV(DIV_RTC, 23)
-		DIV(DIV_MCO1, 0)
-		DIV(DIV_MCO2, 0)
 	>;
 
 	st,pll_vco {
diff --git a/fdts/stm32mp157c-ev1-sp_min-fw-config.dts b/fdts/stm32mp157c-ev1-sp_min-fw-config.dts
new file mode 100644
index 0000000..5aff97f
--- /dev/null
+++ b/fdts/stm32mp157c-ev1-sp_min-fw-config.dts
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, STMicroelectronics - All Rights Reserved
+ */
+
+#define DDR_SIZE	0x40000000 /* 1GB */
+#include "stm32mp15-fw-config.dtsi"
diff --git a/fdts/stm32mp157c-ev1-sp_min.dts b/fdts/stm32mp157c-ev1-sp_min.dts
new file mode 100644
index 0000000..9513449
--- /dev/null
+++ b/fdts/stm32mp157c-ev1-sp_min.dts
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (c) 2017-2025, STMicroelectronics - All Rights Reserved
+ */
+/dts-v1/;
+
+#include "stm32mp157c-ed1-sp_min.dts"
+
+/ {
+	model = "STMicroelectronics STM32MP157C eval daughter on eval mother (SP_MIN)";
+	compatible = "st,stm32mp157c-ev1", "st,stm32mp157c-ed1", "st,stm32mp157";
+
+	aliases {
+		serial1 = &usart3;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&fmc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&fmc_pins_a>;
+	status = "okay";
+
+	nand-controller@4,0 {
+		status = "okay";
+
+		nand@0 {
+			reg = <0>;
+			nand-on-flash-bbt;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+	};
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qspi_clk_pins_a
+		     &qspi_bk1_pins_a
+		     &qspi_cs1_pins_a>;
+	reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	flash0: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-rx-bus-width = <4>;
+		spi-max-frequency = <108000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};
+
+&usart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usart3_pins_b>;
+	uart-has-rtscts;
+	status = "disabled";
+};
diff --git a/fdts/stm32mp15xx-dkx.dtsi b/fdts/stm32mp15xx-dkx.dtsi
index 3115a00..1c7c4c3 100644
--- a/fdts/stm32mp15xx-dkx.dtsi
+++ b/fdts/stm32mp15xx-dkx.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (c) 2019-2024, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2019-2025, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */
 
@@ -199,43 +199,11 @@
 		CLK_AXI_PLL2P
 		CLK_MCU_PLL3P
 		CLK_RTC_LSE
-		CLK_MCO1_DISABLED
-		CLK_MCO2_DISABLED
 		CLK_CKPER_HSE
-		CLK_FMC_ACLK
-		CLK_QSPI_ACLK
-		CLK_ETH_PLL4P
 		CLK_SDMMC12_PLL4P
-		CLK_DSI_DSIPLL
 		CLK_STGEN_HSE
-		CLK_USBPHY_HSE
-		CLK_SPI2S1_PLL3Q
-		CLK_SPI2S23_PLL3Q
-		CLK_SPI45_HSI
-		CLK_SPI6_HSI
 		CLK_I2C46_HSI
-		CLK_SDMMC3_PLL4P
-		CLK_USBO_USBPHY
-		CLK_ADC_CKPER
-		CLK_CEC_LSE
-		CLK_I2C12_HSI
-		CLK_I2C35_HSI
-		CLK_UART1_HSI
 		CLK_UART24_HSI
-		CLK_UART35_HSI
-		CLK_UART6_HSI
-		CLK_UART78_HSI
-		CLK_SPDIF_PLL4P
-		CLK_FDCAN_PLL4R
-		CLK_SAI1_PLL3Q
-		CLK_SAI2_PLL3Q
-		CLK_SAI3_PLL3Q
-		CLK_SAI4_PLL3Q
-		CLK_RNG1_CSI
-		CLK_RNG2_LSI
-		CLK_LPTIM1_PCLK1
-		CLK_LPTIM23_PCLK3
-		CLK_LPTIM45_LSE
 	>;
 
 	st,clkdiv = <
@@ -248,8 +216,6 @@
 		DIV(DIV_APB4, 1)
 		DIV(DIV_APB5, 2)
 		DIV(DIV_RTC, 23)
-		DIV(DIV_MCO1, 0)
-		DIV(DIV_MCO2, 0)
 	>;
 
 	st,pll_vco {