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

From: Dutta, Anurag

Date: Fri Jan 30 2026 - 03:13:25 EST



On 22-01-2026 08:53, Kumar, Udit wrote:

On 1/21/2026 10:48 AM, Anurag Dutta wrote:
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@xxxxxx>
---
Test logs: https://gist.github.com/anuragdutta731/b65f63f22c69317d714b65a201438cbc


Thanks for logs, but these are for boot-loader and I don't think u-boot consumes partition details.

could you share logs for kernel as well.

Hi Udit
Here are kernel logs : https://gist.github.com/anuragdutta731/d4ee38df3ed8889f44bf28ab163b1baf



  .../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@0 {
          cdns,tchsh-ns = <60>;
          cdns,tslch-ns = <60>;
          cdns,read-delay = <2>;
+
+        partitions {
+            compatible = "fixed-partitions";
+            #address-cells = <1>;
+            #size-cells = <1>;
+
+            partition@0 {
+                label = "qspi.tiboot3";
+                reg = <0x0 0x80000>;
+            };
+
+            partition@80000 {
+                label = "qspi.tispl";
+                reg = <0x80000 0x200000>;
+            };
+
+            partition@280000 {
+                label = "qspi.u-boot";
+                reg = <0x280000 0x400000>;
+            };
+
+            partition@680000 {
+                label = "qspi.env";
+                reg = <0x680000 0x40000>;
+            };
+
+            partition@6c0000 {
+                label = "qspi.env.backup";
+                reg = <0x6c0000 0x40000>;
+            };
+
+            partition@800000 {
+                label = "qspi.rootfs";
+                reg = <0x800000 0x37c0000>;
+            };
+
+            partition@3fc0000 {
+                label = "qspi.phypattern";
+                reg = <0x3fc0000 0x40000>;
+            };
+        };
      };
  };