# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/mips/cpus.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: MIPS CPUs
maintainers:
- Thomas Bogendoerfer <tsbogend@alpha.franken.de>
- 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
description: |
The device tree allows to describe the layout of CPUs in a system through
the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
defining properties for every CPU.
properties:
compatible:
enum:
- brcm,bmips3300
- brcm,bmips4350
- brcm,bmips4380
- brcm,bmips5000
- brcm,bmips5200
- img,i6500
- ingenic,xburst-fpu1.0-mxu1.1
- ingenic,xburst-fpu2.0-mxu2.0
- ingenic,xburst-mxu1.0
- ingenic,xburst2-fpu2.1-mxu2.1-smt
- loongson,gs264
- mips,m14Kc
- mips,mips1004Kc
- mips,mips24KEc
- mips,mips24Kc
- mips,mips4KEc
- mips,mips4Kc
- mips,mips74Kc
- mti,interaptiv
- mti,mips14KEc
- mti,mips14Kc
- mti,mips24KEc
reg:
maxItems: 1
clocks:
maxItems: 1
device_type: true
allOf:
- $ref: /schemas/opp/opp-v1.yaml#
- if:
properties:
compatible:
contains:
enum:
- ingenic,xburst-mxu1.0
- ingenic,xburst-fpu1.0-mxu1.1
- ingenic,xburst-fpu2.0-mxu2.0
- ingenic,xburst2-fpu2.1-mxu2.1-smt
then:
required:
- device_type
- clocks
required:
- compatible
- reg
unevaluatedProperties: false
examples:
- |
cpus {
#size-cells = <0>;
#address-cells = <1>;
cpu@0 {
compatible = "mips,mips1004Kc";
device_type = "cpu";
reg = <0>;
};
cpu@1 {
compatible = "mips,mips1004Kc";
device_type = "cpu";
reg = <1>;
};
};
- |
// Example 2 (Ingenic CPU)
#include <dt-bindings/clock/ingenic,jz4780-cgu.h>
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "ingenic,xburst-fpu1.0-mxu1.1";
device_type = "cpu";
reg = <0>;
clocks = <&cgu JZ4780_CLK_CPU>;
};
cpu@1 {
compatible = "ingenic,xburst-fpu1.0-mxu1.1";
device_type = "cpu";
reg = <1>;
clocks = <&cgu JZ4780_CLK_CORE1>;
};
};
...
