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-rw-r--r--Documentation/devicetree/bindings/mips/loongson/devices.yaml42
-rw-r--r--Documentation/devicetree/bindings/mips/loongson/ls2k-reset.yaml38
-rw-r--r--Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml42
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>;
+ };
+ };
+
+...