arm: dts: Introduce J742S2 U-boot DTS files

Include the U-boot device tree files needed to boot the board.

[ DDR config ]

Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>

arch/arm/dts/k3-j742s2-evm-u-boot.dtsi

@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#define SPL_BOARD_DTB "spl/dts/ti/k3-j742s2-evm.dtb"
+#define BOARD_DESCRIPTION "k3-j742s2-evm"
+#define UBOOT_BOARD_DESCRIPTION "U-Boot for J742S2 board"
+
+#include "k3-j784s4-binman.dtsi"
+
+#if !defined(CONFIG_ARM64)
+
+&binman {
+	tiboot3-j742s2-hs-fs {
+		insert-template = <&tiboot3_j784s4_hs_fs>;
+		filename = "tiboot3-j742s2-hs-fs-evm.bin";
+		symlink = "tiboot3.bin";
+	};
+
+	tiboot3-j742s2-hs {
+		insert-template = <&tiboot3_j784s4_hs>;
+		filename = "tiboot3-j742s2-hs-evm.bin";
+	};
+};
+
+&ti_fs_enc_fs {
+	filename = "ti-sysfw/ti-fs-firmware-j742s2-hs-fs-enc.bin";
+};
+
+&sysfw_inner_cert_fs {
+	filename = "ti-sysfw/ti-fs-firmware-j742s2-hs-fs-cert.bin";
+};
+
+&ti_fs_enc {
+	filename = "ti-sysfw/ti-fs-firmware-j742s2-hs-enc.bin";
+};
+
+&sysfw_inner_cert {
+	filename = "ti-sysfw/ti-fs-firmware-j742s2-hs-cert.bin";
+};
+
+#else // CONFIG_ARM64
+
+&binman {
+	ti-dm {
+		filename = "ti-dm.bin";
+
+		blob-ext {
+			filename = "ti-dm/j742s2/ipc_echo_testb_mcu1_0_release_strip.xer5f";
+			optional;
+		};
+	};
+
+	tispl {
+		insert-template = <&ti_spl>;
+	};
+
+	u-boot {
+		insert-template = <&u_boot>;
+	};
+
+	tispl-unsigned {
+		insert-template = <&ti_spl_unsigned>;
+	};
+
+	u-boot-unsigned {
+		insert-template = <&u_boot_unsigned>;
+	};
+};
+
+#endif

arch/arm/dts/k3-j742s2-r5-evm.dts

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ */
+/dts-v1/;
+
+#include "k3-j742s2-evm.dts"
+#include "k3-j742s2-ddr-evm-lp4-4266.dtsi"
+#include "k3-j784s4-j742s2-ddr.dtsi"
+#include "k3-j742s2-evm-u-boot.dtsi"
+#include "k3-j784s4-r5.dtsi"
+
+&tps659413 {
+	esm: esm {
+		compatible = "ti,tps659413-esm";
+		bootph-pre-ram;
+	};
+};

board/ti/j784s4/MAINTAINERS

@@ -25,3 +25,6 @@ J742S2 EVM BOARD
 M:	Manorit Chawdhry <m-chawdhry@ti.com>
 S:	Maintained
 F:	arch/arm/dts/k3-j784s4-j742s2-ddr.dtsi
+F:	arch/arm/dts/k3-j742s2-r5-evm.dts
+F:	arch/arm/dts/k3-j742s2-evm-u-boot.dtsi
+F:	arch/arm/dts/k3-j742s2-ddr-evm-lp4-4266.dtsi