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Diffstat (limited to 'Documentation/devicetree/bindings/mips/loongson')
3 files changed, 122 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mips/loongson/devices.yaml b/Documentation/devicetree/bindings/mips/loongson/devices.yaml new file mode 100644 index 000000000..9fee6708e --- /dev/null +++ b/Documentation/devicetree/bindings/mips/loongson/devices.yaml @@ -0,0 +1,42 @@ +# 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> +description: | + Devices with a Loongson CPU shall have the following properties. + +properties: + $nodename: + const: '/' + compatible: + oneOf: + + - description: Classic Loongson64 Quad Core + LS7A + items: + - const: loongson,loongson64c-4core-ls7a + + - description: Classic Loongson64 Quad Core + RS780E + items: + - const: loongson,loongson64c-4core-rs780e + + - description: Classic Loongson64 Octa Core + RS780E + items: + - const: loongson,loongson64c-8core-rs780e + + - description: Generic Loongson64 Quad Core + LS7A + items: + - const: loongson,loongson64g-4core-ls7a + + - description: Virtual Loongson64 Quad Core + VirtIO + items: + - const: loongson,loongson64v-4core-virtio + +additionalProperties: true + +... diff --git a/Documentation/devicetree/bindings/mips/loongson/ls2k-reset.yaml b/Documentation/devicetree/bindings/mips/loongson/ls2k-reset.yaml new file mode 100644 index 000000000..20b5836ef --- /dev/null +++ b/Documentation/devicetree/bindings/mips/loongson/ls2k-reset.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/mips/loongson/ls2k-reset.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Loongson 2K1000 PM Controller + +maintainers: + - Qing Zhang <zhangqing@loongson.cn> + +description: | + This controller can be found in Loongson-2K1000 Soc systems. + +properties: + compatible: + const: loongson,ls2k-pm + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + pm: reset-controller@1fe07000 { + compatible = "loongson,ls2k-pm"; + reg = <0 0x1fe07000 0 0x422>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml new file mode 100644 index 000000000..7c0f90222 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/mips/loongson/rs780e-acpi.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Loongson RS780E PCH ACPI Controller + +maintainers: + - Jiaxun Yang <jiaxun.yang@flygoat.com> + +description: | + This controller can be found in Loongson-3 systems with RS780E PCH. + +properties: + compatible: + const: loongson,rs780e-acpi + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + isa@0 { + compatible = "isa"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0 0x1000>; + + acpi@800 { + compatible = "loongson,rs780e-acpi"; + reg = <1 0x800 0x100>; + }; + }; + +... |