Message-Id: <2e8be1e493f315c486b3113adf5d2164c3cd29e2.1704788539.git.ysato@users.sourceforge.jp>
Date: Tue,  9 Jan 2024 17:23:21 +0900
From: Yoshinori Sato <ysato@...rs.sourceforge.jp>
To: linux-sh@...r.kernel.org
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>,
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Subject: [DO NOT MERGE v6 24/37] dt-binding: sh: cpus: Add SH CPUs json-schema

Renesas SH series and compatible ISA CPUs.

Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
---
 .../devicetree/bindings/sh/cpus.yaml          | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sh/cpus.yaml

diff --git a/Documentation/devicetree/bindings/sh/cpus.yaml b/Documentation/devicetree/bindings/sh/cpus.yaml
new file mode 100644
index 000000000000..c04f897d2c2a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sh/cpus.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sh/cpus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas SuperH CPUs
+
+maintainers:
+  - Yoshinori Sato <ysato@...rs.sourceforge.jp>
+
+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:
+  compatible:
+    anyOf:
+      - items:
+          - enum:
+              - renesas,sh2a
+              - renesas,sh3
+              - renesas,sh4
+              - renesas,sh4a
+              - jcore,j2
+          - const: renesas,sh2
+      - const: renesas,sh2
+
+  clock-frequency:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: CPU core clock frequency.
+
+  clocks:
+    maxItems: 1
+
+  clock-names: true
+
+  reg:
+    maxItems: 1
+
+  device_type: true
+
+required:
+  - compatible
+  - reg
+  - device_type
+
+additionalProperties: true
+
+examples:
+  - |
+    #include <dt-bindings/clock/sh7750-cpg.h>
+    cpus {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        cpu: cpu@0 {
+            compatible = "renesas,sh4", "renesas,sh2";
+            device_type = "cpu";
+            reg = <0>;
+            clocks = <&cpg SH7750_CPG_ICK>;
+            clock-names = "ick";
+            icache-size = <16384>;
+            icache-line-size = <32>;
+            dcache-size = <32768>;
+            dcache-line-size = <32>;
+        };
+    };
+...
-- 
2.39.2

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