From: Antoine Bernard <[email protected]>

Add properties in the DTSI file which is required for S-BOOT when used
an external device tree when booting into U-Boot. S-BOOT is Samsung's
proprietary bootloader, which chainloads U-Boot.

Add a framebuffer node to the DTSI in order to ensure that display
continues to work.

Signed-off-by: Antoine Bernard <[email protected]>
Signed-off-by: Kaustabh Chakraborty <[email protected]>
---
 arch/arm/dts/exynos7870-j7xelte-u-boot.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/dts/exynos7870-j7xelte-u-boot.dtsi 
b/arch/arm/dts/exynos7870-j7xelte-u-boot.dtsi
new file mode 100644
index 00000000000..bef9424b1b6
--- /dev/null
+++ b/arch/arm/dts/exynos7870-j7xelte-u-boot.dtsi
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2026 Antoine Bernard <[email protected]>
+ */
+
+/ {
+       /* These properties are required by S-BOOT. */
+       model_info-chip = <7870>;
+       model_info-hw_rev = <0>;
+       model_info-hw_rev_end = <255>;
+
+       chosen {
+               #address-cells = <2>;
+               #size-cells = <1>;
+               ranges;
+
+               framebuffer@67000000 {
+                       compatible = "simple-framebuffer";
+                       reg = <0x0 0x67000000 (720 * 1280 * 4)>;
+                       width = <720>;
+                       height = <1280>;
+                       stride = <(720 * 4)>;
+                       format = "a8r8g8b8";
+               };
+       };
+};

---
base-commit: 6cdd7597a2fbfc1572c1b0af23d3daf1cefa2de7
change-id: 20260513-j7xelte-dtsi-0cd377c618a6

Best regards,
--  
Kaustabh Chakraborty <[email protected]>

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