arm64: dts: keembay: Add device tree for Keem Bay EVM board

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

Link: https://lore.kernel.org/r/20200717090414.313530-6-daniele.alessandrelli@linux.intel.com
Reviewed-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/MAINTAINERS b/MAINTAINERS
index 5bcd1c4..f139d95 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1959,6 +1959,7 @@ M:        Paul J. Murphy <paul.j.murphy@intel.com>
 M:     Daniele Alessandrelli <daniele.alessandrelli@intel.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 40cb16e..296ecee 100644 (file)
--- 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 (file)
index 0000000..466c853
--- /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@80000000 {
+               device_type = "memory";
+               /* 2GB of DDR memory. */
+               reg = <0x0 0x80000000 0x0 0x80000000>;
+       };
+
+};
+
+&uart3 {
+       status = "okay";
+};