[linux-yocto] [kernel v5.2/standard/xlnx-soc][PATCH 2/2] arch: arm64: dts: add overlay dts file

[quanyang.wang at windriver.com]

From: MengLi <meng.li at windriver.com>

Add overlay dts file for updating FPGA bitstream file on
zynqmp platform.

Signed-off-by: Meng Li <Meng.Li at windriver.com>
Signed-off-by: Quanyang Wang <quanyang.wang at windriver.com>
---
 arch/arm64/boot/dts/xilinx/Makefile            |  1 +
 .../dts/xilinx/zynqmp-zcu102-fpga-update.dts   | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 arch/arm64/boot/dts/xilinx/zynqmp-zcu102-fpga-update.dts

diff --git a/arch/arm64/boot/dts/xilinx/Makefile b/arch/arm64/boot/dts/xilinx/Makefile
index bec4746fe721..d56c449988d0 100644
--- a/arch/arm64/boot/dts/xilinx/Makefile
+++ b/arch/arm64/boot/dts/xilinx/Makefile
@@ -13,6 +13,7 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu100-revC.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-revA.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-revB.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-rev1.0.dtb
+dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-fpga-update.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu104-revA.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu104-revC.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu106-revA.dtb
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-fpga-update.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-fpga-update.dts
new file mode 100644
index 000000000000..f1e1506b6210
--- /dev/null
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-fpga-update.dts
@@ -0,0 +1,18 @@
+// overlay dts file.
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment at 0 {
+		target-path = "/fpga-full";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		__overlay__ {
+			#address-cells = <2>;
+			#size-cells = <2>;
+
+			firmware-name = "system.bit.bin";
+		};
+	};
+};
-- 
2.17.1