| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Loongson-2 Power Manager controller |
| |
| maintainers: |
| - Yinbo Zhu <zhuyinbo@loongson.cn> |
| |
| properties: |
| compatible: |
| oneOf: |
| - items: |
| - const: loongson,ls2k0500-pmc |
| - const: syscon |
| - items: |
| - enum: |
| - loongson,ls2k1000-pmc |
| - loongson,ls2k2000-pmc |
| - const: loongson,ls2k0500-pmc |
| - const: syscon |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| loongson,suspend-address: |
| $ref: /schemas/types.yaml#/definitions/uint64 |
| description: |
| The "loongson,suspend-address" is a deep sleep state (Suspend To |
| RAM) firmware entry address which was jumped from kernel and it's |
| value was dependent on specific platform firmware code. In |
| 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 |
| - interrupts |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| |
| power-management@1fe27000 { |
| compatible = "loongson,ls2k1000-pmc", "loongson,ls2k0500-pmc", "syscon"; |
| reg = <0x1fe27000 0x58>; |
| interrupt-parent = <&liointc1>; |
| interrupts = <11 IRQ_TYPE_LEVEL_LOW>; |
| loongson,suspend-address = <0x0 0x1c000500>; |
| |
| syscon-reboot { |
| compatible = "syscon-reboot"; |
| offset = <0x30>; |
| mask = <0x1>; |
| }; |
| |
| syscon-poweroff { |
| compatible = "syscon-poweroff"; |
| regmap = <&pmc>; |
| offset = <0x14>; |
| mask = <0x3c00>; |
| value = <0x3c00>; |
| }; |
| }; |
