[PATCH] arm64: dts: ti: k3-j721s2-common-proc-board: Add QSPI flash partition details

Anurag Dutta a-dutta at ti.com
Tue Jan 20 21:18:55 PST 2026


J721S2 EVM has MT25QU512AB 64 MiB Quad SPI NOR flash connected
to OSPI1. Add the partition information as per bootloader.

Signed-off-by: Anurag Dutta <a-dutta at ti.com>
---
Test logs: https://gist.github.com/anuragdutta731/b65f63f22c69317d714b65a201438cbc 

 .../dts/ti/k3-j721s2-common-proc-board.dts    | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index 4fea99519113..7faf9367dbb2 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -530,6 +530,47 @@ flash at 0 {
 		cdns,tchsh-ns = <60>;
 		cdns,tslch-ns = <60>;
 		cdns,read-delay = <2>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition at 0 {
+				label = "qspi.tiboot3";
+				reg = <0x0 0x80000>;
+			};
+
+			partition at 80000 {
+				label = "qspi.tispl";
+				reg = <0x80000 0x200000>;
+			};
+
+			partition at 280000 {
+				label = "qspi.u-boot";
+				reg = <0x280000 0x400000>;
+			};
+
+			partition at 680000 {
+				label = "qspi.env";
+				reg = <0x680000 0x40000>;
+			};
+
+			partition at 6c0000 {
+				label = "qspi.env.backup";
+				reg = <0x6c0000 0x40000>;
+			};
+
+			partition at 800000 {
+				label = "qspi.rootfs";
+				reg = <0x800000 0x37c0000>;
+			};
+
+			partition at 3fc0000 {
+				label = "qspi.phypattern";
+				reg = <0x3fc0000 0x40000>;
+			};
+		};
 	};
 };
 
-- 
2.34.1




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