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Message-ID: <CAL_JsqKyBCM9ERB8xHpg3Rog6gZUmp+r0dTskUur8PnD6rNCHg@mail.gmail.com>
Date:   Wed, 2 Mar 2022 07:28:49 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Ash Logan <ash@...quark.com>
Cc:     Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Jonathan Neuschäfer <j.ne@...teo.net>
Subject: Re: [PATCH 01/12] dt-bindings: wiiu: Document the Nintendo Wii U devicetree

On Tue, Mar 1, 2022 at 10:44 PM Ash Logan <ash@...quark.com> wrote:
>
> Adds schema for the various Wii U devicetree nodes used.

Please resend to the DT list if you want this reviewed and so that checks run.

>
> Signed-off-by: Ash Logan <ash@...quark.com>
> ---
>  .../bindings/powerpc/nintendo/wiiu.yaml       | 28 +++++++++++
>  .../powerpc/nintendo/wiiu/espresso-pic.yaml   | 42 +++++++++++++++++
>  .../bindings/powerpc/nintendo/wiiu/gpu7.yaml  | 41 +++++++++++++++++
>  .../powerpc/nintendo/wiiu/latte-ahci.yaml     | 43 +++++++++++++++++
>  .../powerpc/nintendo/wiiu/latte-dsp.yaml      | 35 ++++++++++++++
>  .../powerpc/nintendo/wiiu/latte-pic.yaml      | 46 +++++++++++++++++++
>  .../powerpc/nintendo/wiiu/latte-sdhci.yaml    | 40 ++++++++++++++++
>  .../bindings/powerpc/nintendo/wiiu/latte.yaml | 25 ++++++++++
>  8 files changed, 300 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/espresso-pic.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/gpu7.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-ahci.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-dsp.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-pic.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-sdhci.yaml
>  create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte.yaml
>
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu.yaml
> new file mode 100644
> index 000000000000..5824b07928f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu.yaml
> @@ -0,0 +1,28 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U bindings
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  Nintendo Wii U video game console binding.
> +
> +properties:
> +  $nodename:
> +    const: "/"
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U video game console
> +        items:
> +          - const: nintendo,wiiu
> +
> +additionalProperties: true
> +
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/espresso-pic.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/espresso-pic.yaml
> new file mode 100644
> index 000000000000..878a81595f5f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/espresso-pic.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/espresso-pic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U "Espresso" interrupt controller
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  Interrupt controller found on the Nintendo Wii U for the "Espresso" processor.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U "Espresso" interrupt controller
> +        items:
> +          - const: nintendo,espresso-pic
> +  '#interrupt-cells':
> +    # Interrupt numbers 0-32 in one cell
> +    const: 1
> +  interrupt-controller: true
> +  reg:
> +    items:
> +      - description: Core registers
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    espresso_pic: pic@...0078 {
> +            #interrupt-cells = <1>;
> +            interrupt-controller;
> +
> +            compatible = "nintendo,espresso-pic";
> +            reg = <0x0c000078 0x18>;
> +    };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/gpu7.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/gpu7.yaml
> new file mode 100644
> index 000000000000..e54d49015f36
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/gpu7.yaml
> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/gpu7.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U Latte "GPU7" graphics processor
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  GPU7 graphics processor, also known as "GX2", found in the Latte multifunction chip of the
> +  Nintendo Wii U.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U Latte "GPU7" graphics processor
> +        items:
> +          - const: nintendo,latte-gpu7
> +  reg:
> +    items:
> +      - description: GpuF0MMReg registers
> +  interrupts:
> +    items:
> +      - description: Main interrupt, connected via Espresso PIC
> +
> +# This will likely get bound to the Radeon driver one day, which will neccesitate extra properties
> +additionalProperties: true
> +
> +examples:
> +  - |
> +    gpu7@...0000 {
> +            compatible = "nintendo,latte-gpu7";
> +            reg = <0x0c200000 0x80000>;
> +            interrupts = <2>;
> +            interrupt-parent = <&espresso_pic>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-ahci.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-ahci.yaml
> new file mode 100644
> index 000000000000..7b9de4effcb0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-ahci.yaml
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/latte-ahci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U Latte AHCI controller
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  Nintendo Wii U AHCI SATA controller, as found in the Latte chip.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U Latte AHCI controller
> +        items:
> +          - const: nintendo,latte-ahci
> +  reg:
> +    items:
> +      - description: |
> +          HBA memory registers. Note that unlike the spec, space for only 6 ports exist, with 2 vendor
> +          registers afterwards, thus register space should be 0x408 long (0x100+0x80*6+0x8).
> +  interrupts:
> +    items:
> +      - description: Main HBA interrupt
> +      - description: Vendor debugging interrupt
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    sata: ahci@...0400 {
> +          compatible = "nintendo,latte-ahci";
> +          reg = <0x0d160400 0x408>;
> +
> +          interrupt-parent = <&latte_pic>;
> +          interrupts = <38>, <28>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-dsp.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-dsp.yaml
> new file mode 100644
> index 000000000000..ed0b4c28ce48
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-dsp.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/latte-dsp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U Latte DSP
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  Nintendo Wii U digital signal processor, as found in the Latte chip.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U Latte DSP
> +        items:
> +          - const: nintendo,latte-dsp
> +  reg:
> +    items:
> +      - description: DSP registers
> +
> +# Once more is known about this device more properties will likely be added
> +additionalProperties: true
> +
> +examples:
> +  - |
> +    latte_dsp: dsp@...5000 {
> +         compatible = "nintendo,latte-dsp";
> +         reg = <0x0c005000 0x200>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-pic.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-pic.yaml
> new file mode 100644
> index 000000000000..a2df71fb9964
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-pic.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/latte-pic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U Latte interrupt controller
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  Interrupt controller found on the Nintendo Wii U for the "Latte" devices.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U Latte interrupt controller
> +        items:
> +          - const: nintendo,latte-pic
> +  '#interrupt-cells':
> +    # Interrupt numbers 0-64 in one cell.
> +    const: 1
> +  interrupt-controller: true
> +  reg:
> +    items:
> +      - description: Core registers
> +  interrupts:
> +    items:
> +      - description: Cascade interrupt for Espresso PIC
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    latte_pic: pic@...0440 {
> +         #interrupt-cells = <1>;
> +         interrupt-controller;
> +
> +         compatible = "nintendo,latte-pic";
> +         reg = <0x0d800440 0x30>;
> +         interrupt-parent = <&espresso_pic>;
> +         interrupts = <24>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-sdhci.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-sdhci.yaml
> new file mode 100644
> index 000000000000..4b9b0820edc1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-sdhci.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/latte-sdhci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nintendo Wii U Latte SD Host controller
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  SDHCI hosts found on the Nintendo Wii U's Latte SoC for SD cards and SDIO devices.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U Latte SDHCI
> +        items:
> +          - const: nintendo,latte-sdhci
> +          - const: sdhci
> +  reg:
> +    items:
> +      - description: Core registers
> +  interrupts:
> +    items:
> +      - description: SDHCI interrupt
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    sdcard_0: sdhci@...0000 {
> +          compatible = "nintendo,latte-sdhci","sdhci";
> +          reg = <0x0d070000 0x200>;
> +          interrupts = <7>;
> +          interrupt-parent = <&latte_pic>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte.yaml b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte.yaml
> new file mode 100644
> index 000000000000..6ae86d198fa3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte.yaml
> @@ -0,0 +1,25 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/powerpc/nintendo/wiiu/latte.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Latte system bus
> +
> +maintainers:
> +  - Ash Logan <ash@...quark.com>
> +  - Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> +
> +description: |
> +  Latte multi-function SoC, containing many of the devices found on the Nintendo Wii U.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - description: Nintendo Wii U "Latte" SoC
> +        items:
> +          - const: nintendo,latte
> +
> +additionalProperties: true
> +
> +...
> --
> 2.35.1
>

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