linux-kernel - [PATCH] arm64: dts: ti: k3-j721s2-som-p0: Add flash partition details

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Message-ID: <20250215070059.1593489-1-u-kumar1@ti.com>
Date: Sat, 15 Feb 2025 12:30:59 +0530
From: Udit Kumar <u-kumar1@...com>
To: <nm@...com>, <vigneshr@...com>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
CC: <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-kernel@...r.kernel.org>,
        Udit Kumar
	<u-kumar1@...com>
Subject: [PATCH] arm64: dts: ti: k3-j721s2-som-p0: Add flash partition details

When used as boot device, OSPI flash hosts different  boot
binaries and rootfs etc.
So Add partition details for images hosted on OSPI flash.

Signed-off-by: Udit Kumar <u-kumar1@...com>
---
 arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 41 ++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
index b3a0385ed3d8..54fc5c4f8c3f 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
@@ -448,6 +448,47 @@ flash@0 {
 		cdns,tchsh-ns = <60>;
 		cdns,tslch-ns = <60>;
 		cdns,read-delay = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "ospi.tiboot3";
+				reg = <0x0 0x80000>;
+			};
+
+			partition@...00 {
+				label = "ospi.tispl";
+				reg = <0x80000 0x200000>;
+			};
+
+			partition@...000 {
+				label = "ospi.u-boot";
+				reg = <0x280000 0x400000>;
+			};
+
+			partition@...000 {
+				label = "ospi.env";
+				reg = <0x680000 0x40000>;
+			};
+
+			partition@...000 {
+				label = "ospi.env.backup";
+				reg = <0x6c0000 0x40000>;
+			};
+
+			partition@...000 {
+				label = "ospi.rootfs";
+				reg = <0x800000 0x37c0000>;
+			};
+
+			partition@...0000 {
+				label = "ospi.phypattern";
+				reg = <0x3fc0000 0x40000>;
+			};
+		};
 	};
 };
 
-- 
2.34.1