linux-kernel - [PATCH v1 12/18] dt-bindings: mips: Add loongson cpus & boards

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Date:   Fri, 30 Aug 2019 12:32:26 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     linux-mips@...r.kernel.org
Cc:     chenhc@...ote.com, paul.burton@...s.com, tglx@...utronix.de,
        jason@...edaemon.net, maz@...nel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, mark.rutland@....co,
        devicetree@...r.kernel.org, Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH v1 12/18] dt-bindings: mips: Add loongson cpus & boards

Prepare for later dts.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 .../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@...goat.com>
+
+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@...goat.com>
+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