arm: vexpress: Add a devicetree files for juno
Sync these file, obtained from Linux v5.15.
Add a note for the maintainer, and SPDX lines where they are missing.
The added lines are:
SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
Note, this matches the text in those files, but is not the same as the
GPL-2.0 of some files.
[1] https://releases.linaro.org/android/reference-lcr/juno/7.1-17.05/
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/dts/juno-r2-u-boot.dtsi b/arch/arm/dts/juno-r2-u-boot.dtsi
new file mode 100644
index 0000000..7279066
--- /dev/null
+++ b/arch/arm/dts/juno-r2-u-boot.dtsi
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * ARM Juno Platform additions for U-Boot
+ */
+
+/ {
+ bus@8000000 {
+ motherboard-bus@8000000 {
+ /*
+ * This should not be marked "disabled" in U-Boot. The
+ * boot loader is not using some CPU idle states and
+ * hotplug but may be very interested in accessing the
+ * flash.
+ */
+ flash@0 {
+ status = "okay";
+ };
+ };
+ };
+};