From: Daniele Alessandrelli <[email protected]>

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 <[email protected]>
Signed-off-by: Daniele Alessandrelli <[email protected]>
---
 MAINTAINERS                               |  1 +
 arch/arm64/boot/dts/intel/Makefile        |  1 +
 arch/arm64/boot/dts/intel/keembay-evm.dts | 55 +++++++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 arch/arm64/boot/dts/intel/keembay-evm.dts

diff --git a/MAINTAINERS b/MAINTAINERS
index 610907bf391b..d714762e805c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1959,6 +1959,7 @@ M:        Paul J. Murphy <[email protected]>
 M:     Daniele Alessandrelli <[email protected]>
 S:     Maintained
 F:     Documentation/devicetree/bindings/arm/keembay.yaml
+F:     arch/arm64/boot/dts/intel/keembay-evm.dts
 F:     arch/arm64/boot/dts/intel/keembay-soc.dtsi
 F:     include/dt-bindings/clock/keembay-clocks.h
 F:     include/dt-bindings/power/keembay-power.h
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..46859763cb03
--- /dev/null
+++ b/arch/arm64/boot/dts/intel/keembay-evm.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020, Intel Corporation
+ *
+ * Device tree describing Keem Bay EVM board.
+ */
+
+/dts-v1/;
+
+#include "keembay-soc.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Keem Bay EVM";
+       compatible = "intel,keembay-evm";
+
+       #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>;
+       };
+
+       sysmem@84000000 {
+               compatible = "mmio-sram";
+               reg = <0x0 0x84000000 0x0 0x800000>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges = <0 0x0 0x0 0x84000000 0x0 0x800000>;
+               /*
+                * Allocate 1MB at fixed location for shared memory between
+                * non-secure world and BL31 to be used for SCMI.
+                */
+               scmi_sec_shmem: scmi_sec_shmem@0 {
+                       compatible = "arm,scmi-shmem";
+                       reg = <0x0 0x0 0x0 0x100000>;
+                       pool;
+               };
+       };
+};
+
+&uart3 {
+       status = "okay";
+};
-- 
2.26.2

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