x86: slimbootloader: Add a slimbootloader device tree

Add a new device tree which has very minimum nodes
- x86 reset
- x86 tsc_timer
- x86 pci
- Slim Bootloader serial

Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/x86/dts/slimbootloader.dts b/arch/x86/dts/slimbootloader.dts
new file mode 100644
index 0000000000..d04095c4f8
--- /dev/null
+++ b/arch/x86/dts/slimbootloader.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Intel Corporation <www.intel.com>
+ */
+
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+/include/ "reset.dtsi"
+/include/ "tsc_timer.dtsi"
+
+/ {
+	model = "slimbootloader x86 payload";
+	compatible = "slimbootloader,x86-payload";
+
+	chosen {
+		stdout-path = &serial;
+	};
+
+	serial: serial {
+		compatible = "intel,slimbootloader-uart";
+	};
+
+	pci {
+		compatible = "pci-x86";
+	};
+};