Commit c8dabef8 authored by Sergio Paracuellos's avatar Sergio Paracuellos Committed by Thomas Bogendoerfer
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dt-bindings: mips: add CPU bindings for MIPS architecture 



Add the yaml binding for available CPUs in MIPS architecture.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarSergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@fungible.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent f98be3b3

Documentation/devicetree/bindings/mips/brcm/brcm,bmips.txt

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* Broadcom MIPS (BMIPS) CPUs



Required properties:

- compatible: "brcm,bmips3300", "brcm,bmips4350", "brcm,bmips4380",

  "brcm,bmips5000"



- mips-hpt-frequency: This is common to all CPUs in the system so it lives

  under the "cpus" node.

Documentation/devicetree/bindings/mips/cpus.yaml

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# 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 bindings



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

      - ingenic,xburst-mxu1.0

      - ingenic,xburst-fpu1.0-mxu1.1

      - ingenic,xburst-fpu2.0-mxu2.0

      - ingenic,xburst2-fpu2.1-mxu2.1-smt

      - loongson,gs264

      - mips,m14Kc

      - mips,mips4Kc

      - mips,mips4KEc

      - mips,mips24Kc

      - mips,mips24KEc

      - mips,mips74Kc

      - mips,mips1004Kc

      - mti,interaptiv

      - mti,mips24KEc

      - mti,mips14KEc

      - mti,mips14Kc



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  device_type: true



allOf:

  - 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



additionalProperties: 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>;

      };

    };

...

Documentation/devicetree/bindings/mips/ingenic/ingenic,cpu.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/mips/ingenic/ingenic,cpu.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Bindings for Ingenic XBurst family CPUs



maintainers:

  - 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>



description:

  Ingenic XBurst family CPUs shall have the following properties.



properties:

  compatible:

    oneOf:



      - description: Ingenic XBurst®1 CPU Cores

        enum:

          - ingenic,xburst-mxu1.0

          - ingenic,xburst-fpu1.0-mxu1.1

          - ingenic,xburst-fpu2.0-mxu2.0



      - description: Ingenic XBurst®2 CPU Cores

        enum:

          - ingenic,xburst2-fpu2.1-mxu2.1-smt



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  device_type: true



required:

  - device_type

  - compatible

  - reg

  - clocks



additionalProperties: false



examples:

  - |

    #include <dt-bindings/clock/ingenic,jz4780-cgu.h>



    cpus {

        #address-cells = <1>;

        #size-cells = <0>;



        cpu0: cpu@0 {

                device_type = "cpu";

                compatible = "ingenic,xburst-fpu1.0-mxu1.1";

                reg = <0>;



                clocks = <&cgu JZ4780_CLK_CPU>;

        };



        cpu1: cpu@1 {

                device_type = "cpu";

                compatible = "ingenic,xburst-fpu1.0-mxu1.1";

                reg = <1>;



                clocks = <&cgu JZ4780_CLK_CORE1>;

        };

    };

...