ARM: dts: r8a7779: 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/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 3005308a1807..9d3bb74bd3f6 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -590,6 +590,11 @@
                 };
         };
 
+        prr: chipid@ff000044 {
+                compatible = "renesas,prr";
+                reg = <0xff000044 4>;
+        };
+
         sysc: system-controller@ffd85000 {
                 compatible = "renesas,r8a7779-sysc";
                 reg = <0xffd85000 0x0200>;