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[RFC,15/21] DO_NOT_MERGE dt-bindings: soc: add Foobar SoC memory controller

Message ID 20230419111111.477118-16-dfustini@baylibre.com
State New
Headers
Series RISC-V: QoS: add CBQRI resctrl interface |

Commit Message

Drew Fustini April 19, 2023, 11:11 a.m. UTC 
  Add bindings for an example SoC memory controller that implements CBQRI.

Co-developed-by: Adrien Ricciardi <aricciardi@baylibre.com>
Signed-off-by: Adrien Ricciardi <aricciardi@baylibre.com>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
---
 .../soc/foobar/foobar,memory-controller.yaml  | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/foobar/foobar,memory-controller.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/soc/foobar/foobar,memory-controller.yaml b/Documentation/devicetree/bindings/soc/foobar/foobar,memory-controller.yaml
new file mode 100644
index 000000000000..859ee52680d5
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/foobar/foobar,memory-controller.yaml
@@ -0,0 +1,49 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/foobar/foobar,memory-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Foobar SoC Memory Controller
+
+maintainers:
+  - Drew Fustini <dfustini@baylibre.com>
+
+description:
+  Foobar SoC memory controller implements the RISC-V CBQRI interface for
+  capacity allocaiton and usage monitoring.
+
+allOf:
+  - $ref: /schemas/riscv/riscv,cbqri.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: foobar,memory-controller
+  reg:
+    maxItems: 1
+    description: A memory region containing registers as defined in CBQRI spec
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+
+    memory-controller@fff12000 {
+        compatible = "foobar,memory-controller";
+        reg = <0xfff12000 0x2000>;
+        riscv,cbqri-rcid = <64>;
+        riscv,cbqri-mcid = <256>;
+    };
+
+...