arm64: rockchip: dts: rk3399: Add board -u-boot.dtsi files

Devicetree files in RK3399 platform is synced from Linux, like other
platforms does. Apart from these u-boot in rk3399 would also require
some u-boot specific node like dmc.

dmc node has big chunk of DDR timing parameters which are specific
to specific board, and maintained with rk3399-sdram*.dtsi.

So, create board specific -u-boot.dtsi files and move these sdram dtsi
files accordingly. This would help of maintain u-boot specific changes
separately without touching Linux dts(i) files which indeed easy for
syncing from Linux between releases.

These board specific -u-boot.dtsi can be extendible to add more u-boot
specific nodes or properties in future.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3399-evb-u-boot.dtsi b/arch/arm/dts/rk3399-evb-u-boot.dtsi
new file mode 100644
index 0000000..7e2c57a
--- /dev/null
+++ b/arch/arm/dts/rk3399-evb-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include "rk3399-sdram-lpddr3-4GB-1600.dtsi"
diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts
index 9162f3d..a506e8d 100644
--- a/arch/arm/dts/rk3399-evb.dts
+++ b/arch/arm/dts/rk3399-evb.dts
@@ -7,7 +7,6 @@
 #include <dt-bindings/pwm/pwm.h>
 #include <dt-bindings/pinctrl/rockchip.h>
 #include "rk3399.dtsi"
-#include "rk3399-sdram-lpddr3-4GB-1600.dtsi"
 
 / {
 	model = "Rockchip RK3399 Evaluation Board";
diff --git a/arch/arm/dts/rk3399-ficus-u-boot.dtsi b/arch/arm/dts/rk3399-ficus-u-boot.dtsi
new file mode 100644
index 0000000..eab86bd
--- /dev/null
+++ b/arch/arm/dts/rk3399-ficus-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include "rk3399-sdram-ddr3-1600.dtsi"
diff --git a/arch/arm/dts/rk3399-ficus.dts b/arch/arm/dts/rk3399-ficus.dts
index 4af0e4e..4b2dd82 100644
--- a/arch/arm/dts/rk3399-ficus.dts
+++ b/arch/arm/dts/rk3399-ficus.dts
@@ -8,7 +8,6 @@
 
 /dts-v1/;
 #include "rk3399-rock960.dtsi"
-#include "rk3399-sdram-ddr3-1600.dtsi"
 
 / {
 	model = "96boards RK3399 Ficus";
diff --git a/arch/arm/dts/rk3399-firefly-u-boot.dtsi b/arch/arm/dts/rk3399-firefly-u-boot.dtsi
new file mode 100644
index 0000000..eab86bd
--- /dev/null
+++ b/arch/arm/dts/rk3399-firefly-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include "rk3399-sdram-ddr3-1600.dtsi"
diff --git a/arch/arm/dts/rk3399-firefly.dts b/arch/arm/dts/rk3399-firefly.dts
index 46f2ffa..a4cb64f 100644
--- a/arch/arm/dts/rk3399-firefly.dts
+++ b/arch/arm/dts/rk3399-firefly.dts
@@ -7,7 +7,6 @@
 #include <dt-bindings/pwm/pwm.h>
 #include <dt-bindings/pinctrl/rockchip.h>
 #include "rk3399.dtsi"
-#include "rk3399-sdram-ddr3-1600.dtsi"
 
 / {
 	model = "Firefly-RK3399 Board";
diff --git a/arch/arm/dts/rk3399-gru-bob-u-boot.dtsi b/arch/arm/dts/rk3399-gru-bob-u-boot.dtsi
new file mode 100644
index 0000000..9edb8cf
--- /dev/null
+++ b/arch/arm/dts/rk3399-gru-bob-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi"
diff --git a/arch/arm/dts/rk3399-gru-bob.dts b/arch/arm/dts/rk3399-gru-bob.dts
index 0e3d91f..1ee0dc0 100644
--- a/arch/arm/dts/rk3399-gru-bob.dts
+++ b/arch/arm/dts/rk3399-gru-bob.dts
@@ -7,7 +7,6 @@
 
 /dts-v1/;
 #include "rk3399-gru-chromebook.dtsi"
-#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi"
 
 / {
 	model = "Google Bob";
diff --git a/arch/arm/dts/rk3399-rock960-u-boot.dtsi b/arch/arm/dts/rk3399-rock960-u-boot.dtsi
new file mode 100644
index 0000000..5256f6d
--- /dev/null
+++ b/arch/arm/dts/rk3399-rock960-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include "rk3399-sdram-lpddr3-2GB-1600.dtsi"
diff --git a/arch/arm/dts/rk3399-rock960.dts b/arch/arm/dts/rk3399-rock960.dts
index 25c58b4..7e06bc9 100644
--- a/arch/arm/dts/rk3399-rock960.dts
+++ b/arch/arm/dts/rk3399-rock960.dts
@@ -5,7 +5,6 @@
 
 /dts-v1/;
 #include "rk3399-rock960.dtsi"
-#include "rk3399-sdram-lpddr3-2GB-1600.dtsi"
 
 / {
 	model = "96boards Rock960";