arm64: dts: r8a7795: Add device node for PRR

Add a device node for the Product Register, which provides SoC product
and revision information.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 681f54422375..a39a702b904d 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -321,6 +321,11 @@
                         #power-domain-cells = <0>;
                 };
 
+                prr: chipid@fff00044 {
+                        compatible = "renesas,prr";
+                        reg = <0 0xfff00044 0 4>;
+                };
+
                 sysc: system-controller@e6180000 {
                         compatible = "renesas,r8a7795-sysc";
                         reg = <0 0xe6180000 0 0x0400>;