Prepare for later dts. Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> --- .../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@xxxxxxxxxxx> + +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@xxxxxxxxxxx> +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 + + - 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
