powerpc: dts: turris1x.dts: Add CPLD reboot node

CPLD firmware can reset board by writing value 0x01 at CPLD memory offset
0x0d. Define syscon-reboot node for this reset support.

Fixes: 54c15ec3b738 ("powerpc: dts: Add DTS file for CZ.NIC Turris 1.x routers")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220713134429.18748-1-pali@kernel.org

diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts
index c76b628cf026267475b24d2392c70b31d6ce98d3..12e08271e61f08ea5f8f11b81d945b80787faf64 100644 (file)
--- a/arch/powerpc/boot/dts/turris1x.dts
+++ b/arch/powerpc/boot/dts/turris1x.dts
@@ -332,7 +332,7 @@
                         * Turris CPLD firmware is open source and available at:
                         * https://gitlab.nic.cz/turris/hw/turris_cpld/-/blob/master/CZ_NIC_Router_CPLD.v
                         */
-                       compatible = "cznic,turris1x-cpld", "fsl,p1021rdb-pc-cpld", "simple-bus";
+                       compatible = "cznic,turris1x-cpld", "fsl,p1021rdb-pc-cpld", "simple-bus", "syscon";
                        reg = <0x3 0x0 0x30>;
                        #address-cells = <1>;
                        #size-cells = <1>;
@@ -352,6 +352,14 @@
                                gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
                        };
 
+                       reboot@d {
+                               compatible = "syscon-reboot";
+                               reg = <0x0d 0x01>;
+                               offset = <0x0d>;
+                               mask = <0x01>;
+                               value = <0x01>;
+                       };
+
                        led-controller@13 {
                                /*
                                 * LEDs are controlled by CPLD firmware.