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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/power/apple,pmgr-pwrstate.yaml | |
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/power/apple,pmgr-pwrstate.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/power/apple,pmgr-pwrstate.yaml | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/apple,pmgr-pwrstate.yaml b/Documentation/devicetree/bindings/power/apple,pmgr-pwrstate.yaml new file mode 100644 index 0000000000..59a6af735a --- /dev/null +++ b/Documentation/devicetree/bindings/power/apple,pmgr-pwrstate.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/apple,pmgr-pwrstate.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple SoC PMGR Power States + +maintainers: + - Hector Martin <marcan@marcan.st> + +allOf: + - $ref: power-domain.yaml# + +description: | + Apple SoCs include PMGR blocks responsible for power management, + which can control various clocks, resets, power states, and + performance features. This binding describes the device power + state registers, which control power states and resets. + + Each instance of a power controller within the PMGR syscon node + represents a generic power domain provider, as documented in + Documentation/devicetree/bindings/power/power-domain.yaml. + The provider controls a single SoC block. The power hierarchy is + represented via power-domains relationships between these nodes. + + See Documentation/devicetree/bindings/arm/apple/apple,pmgr.yaml + for the top-level PMGR node documentation. + +properties: + compatible: + items: + - enum: + - apple,t8103-pmgr-pwrstate + - apple,t8112-pmgr-pwrstate + - apple,t6000-pmgr-pwrstate + - const: apple,pmgr-pwrstate + + reg: + maxItems: 1 + + "#power-domain-cells": + const: 0 + + "#reset-cells": + const: 0 + + power-domains: + description: + Reference to parent power domains. A domain may have multiple parents, + and all will be powered up when it is powered. + minItems: 1 + maxItems: 8 # Arbitrary, should be enough + + label: + description: + Specifies the name of the SoC domain being controlled. This is used to + name the power/reset domains. + + apple,always-on: + description: + Forces this power domain to always be powered up. + type: boolean + + apple,min-state: + description: + Specifies the minimum power state for auto-PM. + 0 = power gated, 4 = clock gated, 15 = on. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 15 + +required: + - compatible + - reg + - "#power-domain-cells" + - "#reset-cells" + - label + +additionalProperties: false |