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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/soc/loongson | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/soc/loongson')
-rw-r--r-- | Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml new file mode 100644 index 0000000000..510f6cb0f0 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml @@ -0,0 +1,83 @@ +# 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>; + }; + }; |