* [PATCH] powerpc: dts: turris1x.dts: Add CPLD reboot node
@ 2022-07-13 13:44 Pali Rohár
0 siblings, 0 replies; only message in thread
From: Pali Rohár @ 2022-07-13 13:44 UTC (permalink / raw)
To: Michael Ellerman, Benjamin Herrenschmidt, Paul Mackerras,
Krzysztof Kozlowski, Rob Herring
Cc: linuxppc-dev, devicetree, linux-kernel
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>
---
arch/powerpc/boot/dts/turris1x.dts | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts
index c76b628cf026..12e08271e61f 100644
--- 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.
--
2.20.1
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