The reboot and poweroff features are actually part of the Power
Management Unit system controller, thus allow them as its children,
instead of specifying as separate device nodes with syscon phandle.
Without it, the reboot/poweroff feature becomes unavailable.
Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
---
.../soc/loongson/loongson,ls2k-pmc.yaml | 29 ++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
index 7473c5659929..f9e72b43d10c 100644
--- a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
+++ b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
@@ -33,6 +33,18 @@ properties:
addition, the PM need according to it to indicate that current
SoC whether support Suspend To RAM.
+ syscon-poweroff:
+ $ref: /schemas/power/reset/syscon-poweroff.yaml#
+ type: object
+ description:
+ Node for power off method
+
+ syscon-reboot:
+ $ref: /schemas/power/reset/syscon-reboot.yaml#
+ type: object
+ description:
+ Node for reboot method
+
required:
- compatible
- reg
@@ -44,10 +56,25 @@ examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
- power-management@1fe27000 {
+ pmc: power-management@1fe27000 {
compatible = "loongson,ls2k1000-pmc", "syscon";
reg = <0x1fe27000 0x58>;
interrupt-parent = <&liointc1>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
loongson,suspend-address = <0x0 0x1c000500>;
+
+ syscon-reboot {
+ compatible ="syscon-reboot";
+ regmap = <&pmc>;
+ offset = <0x30>;
+ mask = <0x1>;
+ };
+
+ syscon-poweroff {
+ compatible ="syscon-poweroff";
+ regmap = <&pmc>;
+ offset = <0x14>;
+ mask = <0x3c00>;
+ value = <0x3c00>;
+ };
};
--
2.39.3
