linux-kernel - [PATCH v4 5/5] arm64: dts: keembay: Add device tree for Keem Bay EVM board

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Message-Id: <20200717090414.313530-6-daniele.alessandrelli@linux.intel.com>
Date:   Fri, 17 Jul 2020 10:04:14 +0100
From:   Daniele Alessandrelli <daniele.alessandrelli@...ux.intel.com>
To:     linux-arm-kernel@...ts.infradead.org, SoC Team <soc@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Cc:     Daniele Alessandrelli <daniele.alessandrelli@...el.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jassi Brar <jassisinghbrar@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        "Paul J. Murphy" <paul.j.murphy@...el.com>,
        "Paul J. Murphy" <paul.j.murphy@...ux.intel.com>,
        Dinh Nguyen <dinguyen@...nel.org>
Subject: [PATCH v4 5/5] arm64: dts: keembay: Add device tree for Keem Bay EVM board

From: Daniele Alessandrelli <daniele.alessandrelli@...el.com>

Add initial device tree for Keem Bay EVM board. With this minimal device
tree the board boots fine using an initramfs image.

Reviewed-by: Dinh Nguyen <dinguyen@...nel.org>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@...el.com>
---
 MAINTAINERS                               |  1 +
 arch/arm64/boot/dts/intel/Makefile        |  1 +
 arch/arm64/boot/dts/intel/keembay-evm.dts | 37 +++++++++++++++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 arch/arm64/boot/dts/intel/keembay-evm.dts

diff --git a/MAINTAINERS b/MAINTAINERS
index 82ca9748fb70..aa86a74ea5d7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1959,6 +1959,7 @@ M:	Paul J. Murphy <paul.j.murphy@...el.com>
 M:	Daniele Alessandrelli <daniele.alessandrelli@...el.com>
 S:	Maintained
 F:	Documentation/devicetree/bindings/arm/intel,keembay.yaml
+F:	arch/arm64/boot/dts/intel/keembay-evm.dts
 F:	arch/arm64/boot/dts/intel/keembay-soc.dtsi
 
 ARM/INTEL RESEARCH IMOTE/STARGATE 2 MACHINE SUPPORT
diff --git a/arch/arm64/boot/dts/intel/Makefile b/arch/arm64/boot/dts/intel/Makefile
index 40cb16e8c814..296eceec4276 100644
--- a/arch/arm64/boot/dts/intel/Makefile
+++ b/arch/arm64/boot/dts/intel/Makefile
@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 dtb-$(CONFIG_ARCH_AGILEX) += socfpga_agilex_socdk.dtb \
 			     socfpga_agilex_socdk_nand.dtb
+dtb-$(CONFIG_ARCH_KEEMBAY) += keembay-evm.dtb
diff --git a/arch/arm64/boot/dts/intel/keembay-evm.dts b/arch/arm64/boot/dts/intel/keembay-evm.dts
new file mode 100644
index 000000000000..466c85363a29
--- /dev/null
+++ b/arch/arm64/boot/dts/intel/keembay-evm.dts
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) 2020, Intel Corporation
+ *
+ * Device tree describing Keem Bay EVM board.
+ */
+
+/dts-v1/;
+
+#include "keembay-soc.dtsi"
+
+/ {
+	model = "Keem Bay EVM";
+	compatible = "intel,keembay-evm", "intel,keembay";
+
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	aliases {
+		serial0 = &uart3;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@...00000 {
+		device_type = "memory";
+		/* 2GB of DDR memory. */
+		reg = <0x0 0x80000000 0x0 0x80000000>;
+	};
+
+};
+
+&uart3 {
+	status = "okay";
+};
-- 
2.26.2