arm64: zynqmp: Add support for zynqmp nvmem firmware driver

Add support for zynqmp nvmem firmware driver.

Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
[m.tretter@pengutronix.de: move to subnode of firmware]
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index e72343756f7b31173af8619a45ab5c0540fb5321..3c731e73903ab3bd95552db3ae841288eb4d9024 100644 (file)
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -120,6 +120,16 @@
                        compatible = "xlnx,zynqmp-firmware";
                        method = "smc";
 
+                       nvmem_firmware {
+                               compatible = "xlnx,zynqmp-nvmem-fw";
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+
+                               soc_revision: soc_revision@0 {
+                                       reg = <0x0 0x4>;
+                               };
+                       };
+
                        zynqmp_pcap: pcap {
                                compatible = "xlnx,zynqmp-pcap-fpga";
                        };