96 lines
2.0 KiB
YAML
96 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/soc/spacemit/spacemit,k1-syscon.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SpacemiT K1 SoC System Controller
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maintainers:
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- Haylen Chu <heylenay@4d2.org>
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description:
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System controllers found on SpacemiT K1 SoC, which are capable of
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clock, reset and power-management functions.
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properties:
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compatible:
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enum:
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- spacemit,k1-syscon-apbc
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- spacemit,k1-syscon-apmu
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- spacemit,k1-syscon-mpmu
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- spacemit,k1-syscon-rcpu
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- spacemit,k1-syscon-rcpu2
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- spacemit,k1-syscon-apbc2
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reg:
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maxItems: 1
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clocks:
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maxItems: 4
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clock-names:
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items:
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- const: osc
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- const: vctcxo_1m
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- const: vctcxo_3m
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- const: vctcxo_24m
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"#clock-cells":
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const: 1
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description:
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See <dt-bindings/clock/spacemit,k1-syscon.h> for valid indices.
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"#power-domain-cells":
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const: 1
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"#reset-cells":
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const: 1
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required:
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- compatible
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- reg
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- "#reset-cells"
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- spacemit,k1-syscon-apmu
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- spacemit,k1-syscon-mpmu
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then:
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required:
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- "#power-domain-cells"
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else:
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properties:
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"#power-domain-cells": false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- spacemit,k1-syscon-apbc
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- spacemit,k1-syscon-apmu
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- spacemit,k1-syscon-mpmu
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then:
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required:
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- clocks
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- clock-names
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- "#clock-cells"
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additionalProperties: false
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examples:
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- |
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system-controller@d4050000 {
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compatible = "spacemit,k1-syscon-mpmu";
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reg = <0xd4050000 0x209c>;
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clocks = <&osc>, <&vctcxo_1m>, <&vctcxo_3m>, <&vctcxo_24m>;
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clock-names = "osc", "vctcxo_1m", "vctcxo_3m", "vctcxo_24m";
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#clock-cells = <1>;
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#power-domain-cells = <1>;
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#reset-cells = <1>;
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};
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