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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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# Copyright (c) 2023 Imagination Technologies Ltd.

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/gpu/img,powervr-rogue.yaml#

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

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title: Imagination Technologies PowerVR and IMG Rogue GPUs

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maintainers:

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  - Frank Binns <frank.binns@imgtec.com>

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properties:

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  compatible:

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    oneOf:

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      - items:

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          - enum:

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              - ti,am62-gpu

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          - const: img,img-axe-1-16m

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          # This deprecated element must be kept around to allow old kernels to

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          # work with newer dts.

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          - const: img,img-axe

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          - const: img,img-rogue

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      - items:

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          - enum:

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              - ti,j721s2-gpu

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          - const: img,img-bxs-4-64

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          - const: img,img-rogue

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      # This legacy combination of compatible strings was introduced early on

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      # before the more specific GPU identifiers were used.

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      - items:

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          - enum:

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              - ti,am62-gpu

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          - const: img,img-axe

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        deprecated: true

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  reg:

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    maxItems: 1

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  clocks:

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    minItems: 1

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    maxItems: 3

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  clock-names:

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    items:

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      - const: core

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      - const: mem

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      - const: sys

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    minItems: 1

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  interrupts:

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    maxItems: 1

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  power-domains:

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    minItems: 1

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    maxItems: 2

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  power-domain-names:

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    items:

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      - const: a

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      - const: b

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    minItems: 1

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  dma-coherent: true

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  resets:

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    maxItems: 1

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required:

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  - compatible

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  - reg

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  - clocks

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  - clock-names

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  - interrupts

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additionalProperties: false

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allOf:

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  # Constraints added alongside the new compatible strings that would otherwise

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  # create an ABI break.

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: img,img-rogue

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    then:

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      required:

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        - power-domains

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        - power-domain-names

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: img,img-axe-1-16m

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    then:

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      properties:

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        power-domains:

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          maxItems: 1

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        power-domain-names:

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          maxItems: 1

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: img,img-bxs-4-64

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    then:

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      properties:

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        power-domains:

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          minItems: 2

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        power-domain-names:

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          minItems: 2

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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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              - ti,am62-gpu

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              - ti,j721s2-gpu

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    then:

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      properties:

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        clocks:

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          maxItems: 1

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examples:

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  - |

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    #include <dt-bindings/interrupt-controller/irq.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    #include <dt-bindings/soc/ti,sci_pm_domain.h>

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    gpu@fd00000 {

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        compatible = "ti,am62-gpu", "img,img-axe-1-16m", "img,img-axe",

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                     "img,img-rogue";

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        reg = <0x0fd00000 0x20000>;

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        clocks = <&k3_clks 187 0>;

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        clock-names = "core";

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        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;

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        power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;

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        power-domain-names = "a";

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    };

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