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-rw-r--r--Documentation/devicetree/bindings/loongarch/cpus.yaml61
-rw-r--r--Documentation/devicetree/bindings/loongarch/loongson.yaml34
2 files changed, 95 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/loongarch/cpus.yaml b/Documentation/devicetree/bindings/loongarch/cpus.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/loongarch/cpus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LoongArch CPUs
+
+maintainers:
+ - Binbin Zhou <zhoubinbin@loongson.cn>
+
+description:
+ This document describes the list of LoongArch CPU cores that support FDT,
+ it describe the layout of CPUs in a system through the "cpus" node.
+
+allOf:
+ - $ref: /schemas/cpu.yaml#
+
+properties:
+ compatible:
+ enum:
+ - loongson,la264
+ - loongson,la364
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/loongson,ls2k-clk.h>
+
+ cpus {
+ #size-cells = <0>;
+ #address-cells = <1>;
+
+ cpu@0 {
+ compatible = "loongson,la264";
+ device_type = "cpu";
+ reg = <0>;
+ clocks = <&clk LOONGSON2_NODE_CLK>;
+ };
+
+ cpu@1 {
+ compatible = "loongson,la264";
+ device_type = "cpu";
+ reg = <1>;
+ clocks = <&clk LOONGSON2_NODE_CLK>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/loongarch/loongson.yaml b/Documentation/devicetree/bindings/loongarch/loongson.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/loongarch/loongson.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson SoC-based boards
+
+maintainers:
+ - Binbin Zhou <zhoubinbin@loongson.cn>
+
+properties:
+ $nodename:
+ const: '/'
+ compatible:
+ oneOf:
+ - description: Loongson-2K0500 processor based boards
+ items:
+ - const: loongson,ls2k0500-ref
+ - const: loongson,ls2k0500
+
+ - description: Loongson-2K1000 processor based boards
+ items:
+ - const: loongson,ls2k1000-ref
+ - const: loongson,ls2k1000
+
+ - description: Loongson-2K2000 processor based boards
+ items:
+ - const: loongson,ls2k2000-ref
+ - const: loongson,ls2k2000
+
+additionalProperties: true
+
+...