summaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorBinbin Zhou <zhoubinbin@loongson.cn>2024-01-17 07:43:00 +0300
committerHuacai Chen <chenhuacai@loongson.cn>2024-01-17 07:43:00 +0300
commit8e07e0e3964ca4e23ce7b68e2096fe660a888942 (patch)
treee0d8e21c2b427c5f1d4d706d8a0e881ce0525e5c /Documentation
parent90868ff9cadecd46fa2a4f5501c66bfea8ade9b7 (diff)
downloadlinux-8e07e0e3964ca4e23ce7b68e2096fe660a888942.tar.xz
dt-bindings: loongarch: Add CPU bindings for LoongArch
Add the available CPUs in LoongArch binding with DT schema format using json-schema. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/loongarch/cpus.yaml61
1 files changed, 61 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/loongarch/cpus.yaml b/Documentation/devicetree/bindings/loongarch/cpus.yaml
new file mode 100644
index 000000000000..f175872995e1
--- /dev/null
+++ b/Documentation/devicetree/bindings/loongarch/cpus.yaml
@@ -0,0 +1,61 @@
+# 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>;
+ };
+ };
+
+...