ARM: dts: r8a7794: 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>

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 364b4aa..63dc7f2 100644 (file)
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -1377,6 +1377,11 @@
                };
        };
 
+       prr: chipid@ff000044 {
+               compatible = "renesas,prr";
+               reg = <0 0xff000044 0 4>;
+       };
+
        sysc: system-controller@e6180000 {
                compatible = "renesas,r8a7794-sysc";
                reg = <0 0xe6180000 0 0x0200>;