Linux-6.18.2/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
2025-12-23 20:06:59 +08:00

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YAML

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