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SubjectRe: [PATCH v1 12/18] dt-bindings: mips: Add loongson cpus & boards
On Fri, Aug 30, 2019 at 12:32:26PM +0800, Jiaxun Yang wrote:
> Prepare for later dts.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
> .../bindings/mips/loongson/cpus.yaml | 38 +++++++++++
> .../bindings/mips/loongson/devices.yaml | 64 +++++++++++++++++++
> 2 files changed, 102 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mips/loongson/cpus.yaml
> create mode 100644 Documentation/devicetree/bindings/mips/loongson/devices.yaml
>
> diff --git a/Documentation/devicetree/bindings/mips/loongson/cpus.yaml b/Documentation/devicetree/bindings/mips/loongson/cpus.yaml
> new file mode 100644
> index 000000000000..dc6dd5114d5e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mips/loongson/cpus.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mips/loongson/cpus.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Loongson CPUs bindings
> +
> +maintainers:
> + - Jiaxun Yang <jiaxun.yang@flygoat.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.
> +
> + Bindings for CPU nodes follow the Devicetree Specification, available from:
> +
> + https://www.devicetree.org/specifications/
> +
> +properties:
> + reg:
> + maxItems: 1
> + description: |
> + Physical ID of a CPU, Can be read from CP0 EBase.CPUNum.
> +
> + compatible:
> + enum:
> + - loongson,gs464
> + - loongson,gs464e
> + - loongson,gs264
> + - loongson,gs464v
> +
> +required:
> + - device_type
> + - reg
> + - compatible
> +...
> diff --git a/Documentation/devicetree/bindings/mips/loongson/devices.yaml b/Documentation/devicetree/bindings/mips/loongson/devices.yaml
> new file mode 100644
> index 000000000000..aa6c42013d2c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mips/loongson/devices.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mips/loongson/devices.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Loongson based Platforms Device Tree Bindings
> +
> +maintainers:
> + - Jiaxun Yang <jiaxun.yang@flygoat.com>

Add a blank line here.

> +description: |
> + Devices with a Loongson CPU shall have the following properties.
> +
> +properties:
> + $nodename:
> + const: '/'
> + compatible:
> + oneOf:
> +
> + - description: Loongson 3A1000 + RS780E 1Way
> + items:
> + - const: loongson,ls3a1000-780e-1way

This is a board or a chip? Normally we have a board compatible followed
by a SoC compatible.

What's the difference between 1-way, 2-way, 4-way? Maybe there's another
way to describe that.

> +
> + - description: Loongson 3A1000 + RS780E 2Way
> + items:
> + - const: loongson,ls3a1000-780e-2way
> +
> + - description: Loongson 3A1000 + RS780E 4Way
> + items:
> + - const: loongson,ls3a1000-780e-4way
> +
> + - description: Loongson 3B1000/1500 + RS780E 1Way
> + items:
> + - const: loongson,ls3b-780e-1way
> +
> + - description: Loongson 3B1000/1500 + RS780E 2Way
> + items:
> + - const: loongson,ls3b-780e-2way
> +
> + - description: Loongson 3A2000 + RS780E 1Way
> + items:
> + - const: loongson,ls3a2000-780e-1way
> +
> + - description: Loongson 3A2000 + RS780E 2Way
> + items:
> + - const: loongson,ls3a2000-780e-2way
> +
> + - description: Loongson 3A2000 + RS780E 4Way
> + items:
> + - const: loongson,ls3a2000-780e-4way
> +
> + - description: Loongson 3A3000 + RS780E 1Way
> + items:
> + - const: loongson,ls3a3000-780e-1way
> +
> + - description: Loongson 3A3000 + RS780E 2Way
> + items:
> + - const: loongson,ls3a3000-780e-2way
> +
> + - description: Loongson 3A3000 + RS780E 4Way
> + items:
> + - const: loongson,ls3a3000-780e-4way
> +
> +...
> --
> 2.22.0
>

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