arm: mvebu: Add armada-xp-gp-u-boot.dtsi for U-Boot properties

Add some missing "u-boot,dm-pre-reloc;" properties to UART0, SPI
controller and SPI NOR flash node to enable usage in SPL. Otherwise
these devices will not be available.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Dennis Gilmore <dgilmore@redhat.com>
Tested-by: Dennis Gilmore <dgilmore@redhat.com>

diff --git a/arch/arm/dts/armada-xp-gp-u-boot.dtsi b/arch/arm/dts/armada-xp-gp-u-boot.dtsi
new file mode 100644 (file)
index 0000000..2422856
--- /dev/null
+++ b/arch/arm/dts/armada-xp-gp-u-boot.dtsi
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/ {
+       soc {
+               internal-regs {
+                       serial@12000 {
+                               u-boot,dm-pre-reloc;
+                       };
+               };
+       };
+};
+
+&spi0 {
+       u-boot,dm-pre-reloc;
+
+       spi-flash@0 {
+               u-boot,dm-pre-reloc;
+       };
+};