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

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

Fixes: 54c15ec3b7 ("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
This commit is contained in:
Pali Rohár 2022-07-13 15:44:29 +02:00 committed by Michael Ellerman
parent 0c551abfa0
commit 0531a4abd1
1 changed files with 9 additions and 1 deletions
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10
arch/powerpc/boot/dts/turris1x.dts
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@ -332,7 +332,7 @@ cpld@3,0 {
* 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 @@ watchdog@2 {
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.