linux-kernel - [PATCH v4 3/3] arm64: dts: intel: add device tree for n6000

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Message-Id: <20220508142624.491045-4-matthew.gerlach@linux.intel.com>
Date:   Sun,  8 May 2022 07:26:24 -0700
From:   matthew.gerlach@...ux.intel.com
To:     dinguyen@...nel.org, robh+dt@...nel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     Matthew Gerlach <matthew.gerlach@...ux.intel.com>
Subject: [PATCH v4 3/3] arm64: dts: intel: add device tree for n6000

From: Matthew Gerlach <matthew.gerlach@...ux.intel.com>

Add a device tree for the n6000 instantiation of Agilex
Hard Processor System (HPS).

Signed-off-by: Matthew Gerlach <matthew.gerlach@...ux.intel.com>
---
v3:
  - add unit number to memory node
  - remove unused label
  - remove 0x from #address-cells/#size-cells values
  - change hps_cp_eng@0 to dma-controller@0
  - remove spi node with unaccepted compatible value

v2:
  - fix copy engine node name
  - fix compatible field for copy engine
  - remove redundant status field
  - add compatibility field for the board
  - fix SPDX
  - fix how osc1 clock frequency is set
---
 arch/arm64/boot/dts/intel/Makefile            |  3 +-
 .../boot/dts/intel/socfpga_agilex_n6000.dts   | 66 +++++++++++++++++++
 2 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts

diff --git a/arch/arm64/boot/dts/intel/Makefile b/arch/arm64/boot/dts/intel/Makefile
index 0b5477442263..c2a723838344 100644
--- a/arch/arm64/boot/dts/intel/Makefile
+++ b/arch/arm64/boot/dts/intel/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
-dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_agilex_socdk.dtb \
+dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_agilex_n6000.dtb \
+				socfpga_agilex_socdk.dtb \
 				socfpga_agilex_socdk_nand.dtb \
 				socfpga_n5x_socdk.dtb
 dtb-$(CONFIG_ARCH_KEEMBAY) += keembay-evm.dtb
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts b/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
new file mode 100644
index 000000000000..6231a69204b1
--- /dev/null
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021-2022, Intel Corporation
+ */
+#include "socfpga_agilex.dtsi"
+
+/ {
+	model = "SoCFPGA Agilex n6000";
+	compatible = "intel,socfpga-agilex-n6000", "intel,socfpga-agilex";
+
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart0;
+		ethernet0 = &gmac0;
+		ethernet1 = &gmac1;
+		ethernet2 = &gmac2;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the reg */
+		reg = <0 0 0 0>;
+	};
+
+	soc {
+		bus@...00000 {
+			compatible = "simple-bus";
+			reg = <0x80000000 0x60000000>,
+				<0xf9000000 0x00100000>;
+			reg-names = "axi_h2f", "axi_h2f_lw";
+			#address-cells = <2>;
+			#size-cells = <1>;
+			ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>;
+
+			dma-controller@0 {
+				compatible = "intel,hps-copy-engine";
+				reg = <0x00000000 0x00000000 0x00001000>;
+				#dma-cells = <1>;
+			};
+		};
+	};
+};
+
+&osc1 {
+	clock-frequency = <25000000>;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&watchdog0 {
+	status = "okay";
+};
+
+&fpga_mgr {
+	status = "disabled";
+};
-- 
2.25.1