RAVE SP found on RDU2 implements power button control compatible with
the rave-sp-pwrbutton driver. Add a node to make it availible.

Cc: Fabio Estevam <fabio.este...@nxp.com>
Cc: Nikita Yushchenko <nikita.yo...@cogentembedded.com>
Cc: Lucas Stach <l.st...@pengutronix.de>
Cc: cphe...@gmail.com
Cc: Shawn Guo <shawn...@kernel.org>
Cc: Rob Herring <robh...@kernel.org>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: linux-arm-ker...@lists.infradead.org
Cc: devicet...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
---
 arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi 
b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 48da4b15da09..869dfd8431a1 100644
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -331,6 +331,10 @@
                        compatible = "zii,rave-sp-backlight";
                };
 
+               pwrbutton {
+                       compatible = "zii,rave-sp-pwrbutton";
+               };
+
                eeprom@a3 {
                        compatible = "zii,rave-sp-eeprom";
                        reg = <0xa3 0x4000>;
-- 
2.17.1

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