linux-kernel - [PATCH v2] arm64: dts: socfpga: agilex5: add qspi flash node

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Message-Id: <20250205101153.1778622-1-niravkumar.l.rabara@intel.com>
Date: Wed,  5 Feb 2025 18:11:53 +0800
From: niravkumar.l.rabara@...el.com
To: Dinh Nguyen <dinguyen@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	niravkumar.l.rabara@...el.com,
	nirav.rabara@...era.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] arm64: dts: socfpga: agilex5: add qspi flash node

From: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>

Add Micron qspi nor flash node for Intel SoCFPGA Agilex5.

Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
---

changes in v2:
  * Removed unexpected properties to fix dts build warnings.

Link to v1:https://lore.kernel.org/all/20250108112834.2880709-1-niravkumar.l.rabara@intel.com/
 
 .../boot/dts/intel/socfpga_agilex5_socdk.dts  | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts b/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts
index c533e5a3a610..5eda77242c5d 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts
@@ -25,6 +25,37 @@ &osc1 {
 	clock-frequency = <25000000>;
 };
 
+&qspi {
+	status = "okay";
+	flash@0 {
+		compatible = "micron,mt25qu02g", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <100000000>;
+		m25p,fast-read;
+		cdns,read-delay = <2>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			qspi_boot: partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x04200000>;
+			};
+
+			root: partition@...0000 {
+				label = "root";
+				reg = <0x04200000 0x0be00000>;
+			};
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 };
-- 
2.25.1