arm: dts: stm32mp: add stm32mp13 device tree for U-Boot

Compile the device tree of STM32MP13x boards and add the needed
U-Boot add-on.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

arch/arm/dts/Makefile

@@ -1162,6 +1162,9 @@ dtb-$(CONFIG_ASPEED_AST2600) += ast2600-evb.dtb
 
 dtb-$(CONFIG_ARCH_STI) += stih410-b2260.dtb
 
+dtb-$(CONFIG_STM32MP13x) += \
+	stm32mp135f-dk.dtb
+
 dtb-$(CONFIG_STM32MP15x) += \
 	stm32mp157a-dk1.dtb \
 	stm32mp157a-icore-stm32mp1-ctouch2.dtb \

arch/arm/dts/stm32mp13-u-boot.dtsi

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
+/*
+ * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
+ */
+
+/ {
+	aliases {
+		gpio0 = &gpioa;
+		gpio1 = &gpiob;
+		gpio2 = &gpioc;
+		gpio3 = &gpiod;
+		gpio4 = &gpioe;
+		gpio5 = &gpiof;
+		gpio6 = &gpiog;
+		gpio7 = &gpioh;
+		gpio8 = &gpioi;
+		pinctrl0 = &pinctrl;
+	};
+
+	/* need PSCI for sysreset during board_f */
+	psci {
+		u-boot,dm-pre-proper;
+	};
+
+	soc {
+		u-boot,dm-pre-reloc;
+
+		ddr: ddr@5a003000 {
+			u-boot,dm-pre-reloc;
+
+			compatible = "st,stm32mp13-ddr";
+
+			reg = <0x5A003000 0x550
+			       0x5A004000 0x234>;
+
+			status = "okay";
+		};
+	};
+};
+
+&bsec {
+	u-boot,dm-pre-reloc;
+};
+
+&gpioa {
+	u-boot,dm-pre-reloc;
+};
+
+&gpiob {
+	u-boot,dm-pre-reloc;
+};
+
+&gpioc {
+	u-boot,dm-pre-reloc;
+};
+
+&gpiod {
+	u-boot,dm-pre-reloc;
+};
+
+&gpioe {
+	u-boot,dm-pre-reloc;
+};
+
+&gpiof {
+	u-boot,dm-pre-reloc;
+};
+
+&gpiog {
+	u-boot,dm-pre-reloc;
+};
+
+&gpioh {
+	u-boot,dm-pre-reloc;
+};
+
+&gpioi {
+	u-boot,dm-pre-reloc;
+};
+
+&iwdg2 {
+	u-boot,dm-pre-reloc;
+};
+
+&pinctrl {
+	u-boot,dm-pre-reloc;
+};
+
+&syscfg {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/stm32mp135f-dk-u-boot.dtsi

@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
+/*
+ * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
+ */
+
+#include "stm32mp13-u-boot.dtsi"
+
+/ {
+	aliases {
+		mmc0 = &sdmmc1;
+	};
+
+	config {
+		u-boot,mmc-env-partition = "u-boot-env";
+	};
+};
+
+&uart4 {
+	u-boot,dm-pre-reloc;
+};
+
+&uart4_pins_a {
+	u-boot,dm-pre-reloc;
+	pins1 {
+		u-boot,dm-pre-reloc;
+	};
+	pins2 {
+		u-boot,dm-pre-reloc;
+	};
+};