Add a device node for the RST module, which provides reset control.
Declare it to be a system controller (syscon), so other device nodes can
refer to its registers.

TODO Add DT binding documentation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm/boot/dts/r8a7794.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index b1505d2537772e82..bd37ec229329ed9c 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi

@@ -786,6 +786,11 @@
 		};
 	};
 
+	rst: reset-controller at e616000 {
+		compatible = "renesas,rst-r8a7794", "syscon";
+		reg = <0 0xe6160000 0 0x0100>;
+	};
+
 	sysc: system-controller at e6180000 {
 		compatible = "renesas,sysc-r8a7794", "renesas,sysc-rcar";
 		reg = <0 0xe6180000 0 0x0200>;

-- 
1.9.1