linux-kernel - [PATCH 2/2] arm64: dts: socfpga: agilex5: add support for Agilex5 013b board

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Message-Id: <20251031103117.910187-3-niravkumarlaxmidas.rabara@altera.com>
Date: Fri, 31 Oct 2025 18:31:17 +0800
From: niravkumarlaxmidas.rabara@...era.com
To: dinguyen@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Niravkumar L Rabara <niravkumarlaxmidas.rabara@...era.com>
Subject: [PATCH 2/2] arm64: dts: socfpga: agilex5: add support for Agilex5 013b board

From: Niravkumar L Rabara <niravkumarlaxmidas.rabara@...era.com>

Add device tree support for the Agilex5 SoCFPGA 013b board, a small
form factor variant compared to other Agilex5 development kits.

Signed-off-by: Niravkumar L Rabara <niravkumarlaxmidas.rabara@...era.com>
---
Note: 
This patch depends on the series: "Add iommu supports"
https://lore.kernel.org/all/cover.1760486497.git.khairul.anuar.romli@altera.com/

Patch series "Add iommu supports" is applied to socfpga maintainer's tree 
https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git/log/?h=socfpga_dts_for_v6.19

 arch/arm64/boot/dts/intel/Makefile            |   1 +
 .../dts/intel/socfpga_agilex5_socdk_013b.dts  | 126 ++++++++++++++++++
 2 files changed, 127 insertions(+)
 create mode 100644 arch/arm64/boot/dts/intel/socfpga_agilex5_socdk_013b.dts

diff --git a/arch/arm64/boot/dts/intel/Makefile b/arch/arm64/boot/dts/intel/Makefile
index 33f6d01266b1..391d5cbe50b3 100644
--- a/arch/arm64/boot/dts/intel/Makefile
+++ b/arch/arm64/boot/dts/intel/Makefile
@@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_agilex_n6000.dtb \
 				socfpga_agilex_socdk.dtb \
 				socfpga_agilex_socdk_nand.dtb \
 				socfpga_agilex5_socdk.dtb \
+				socfpga_agilex5_socdk_013b.dtb \
 				socfpga_agilex5_socdk_nand.dtb \
 				socfpga_n5x_socdk.dtb
 dtb-$(CONFIG_ARCH_KEEMBAY) += keembay-evm.dtb
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk_013b.dts b/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk_013b.dts
new file mode 100644
index 000000000000..37ff715b7928
--- /dev/null
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk_013b.dts
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2025, Altera Corporation
+ */
+#include "socfpga_agilex5.dtsi"
+
+/ {
+	model = "SoCFPGA Agilex5 013B SoCDK";
+	compatible = "intel,socfpga-agilex5-socdk-013b", "intel,socfpga-agilex5";
+
+	aliases {
+		serial0 = &uart0;
+		ethernet2 = &gmac2;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led0 {
+			label = "hps_led0";
+			gpios = <&porta 1 GPIO_ACTIVE_HIGH>;
+		};
+
+		led1 {
+			label = "hps_led1";
+			gpios = <&porta 12 GPIO_ACTIVE_HIGH>;
+		};
+
+	};
+
+	memory@...00000 {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the reg */
+		reg = <0x0 0x80000000 0x0 0x0>;
+	};
+};
+
+&gmac2 {
+	status = "okay";
+	phy-mode = "rgmii-id";
+	phy-handle = <&emac2_phy0>;
+	max-frame-size = <9000>;
+
+	mdio0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+
+		emac2_phy0: ethernet-phy@0 {
+			reg = <0>;
+			rxc-skew-ps = <0>;
+			rxdv-skew-ps = <0>;
+			rxd0-skew-ps = <0>;
+			rxd1-skew-ps = <0>;
+			rxd2-skew-ps = <0>;
+			rxd3-skew-ps = <0>;
+			txc-skew-ps = <0>;
+			txen-skew-ps = <60>;
+			txd0-skew-ps = <60>;
+			txd1-skew-ps = <60>;
+			txd2-skew-ps = <60>;
+			txd3-skew-ps = <60>;
+		};
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&osc1 {
+	clock-frequency = <25000000>;
+};
+
+&qspi {
+	status = "okay";
+	flash@0 {
+		compatible = "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>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			qspi_boot: partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x00600000>;
+			};
+
+			root: partition@...0000 {
+				label = "root";
+				reg = <0x00600000 0x03a00000>;
+			};
+		};
+	};
+};
+
+&smmu {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&watchdog0 {
+	status = "okay";
+};
-- 
2.25.1