linux-kernel - [PATCH v3 24/34] dt-bindings: misc: Add Keem Bay vpumgr

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Message-Id: <20210126054036.61587-25-mgross@linux.intel.com>
Date:   Mon, 25 Jan 2021 21:40:26 -0800
From:   mgross@...ux.intel.com
To:     markgross@...nel.org, mgross@...ux.intel.com, arnd@...db.de,
        bp@...e.de, damien.lemoal@....com, dragan.cvetic@...inx.com,
        gregkh@...uxfoundation.org, corbet@....net,
        palmerdabbelt@...gle.com, paul.walmsley@...ive.com,
        peng.fan@....com, robh+dt@...nel.org, shawnguo@...nel.org,
        jassisinghbrar@...il.com
Cc:     linux-kernel@...r.kernel.org,
        "Li, Tingqian" <tingqian.li@...el.com>, Li@...ux.intel.com
Subject: [PATCH v3 24/34] dt-bindings: misc: Add Keem Bay vpumgr

From: "Li, Tingqian" <tingqian.li@...el.com>

  Add DT binding schema for VPU on Keem Bay ASoC platform


Signed-off-by: Li, Tingqian <tingqian.li@...el.com>
---
 .../bindings/misc/intel,keembay-vpu-mgr.yaml  | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/intel,keembay-vpu-mgr.yaml

diff --git a/Documentation/devicetree/bindings/misc/intel,keembay-vpu-mgr.yaml b/Documentation/devicetree/bindings/misc/intel,keembay-vpu-mgr.yaml
new file mode 100644
index 000000000000..7fad14274ee2
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/intel,keembay-vpu-mgr.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+# Copyright (C) 2020 Intel
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/misc/intel,keembay-vpu-mgr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel VPU manager bindings
+
+maintainers:
+  - Li, Tingqian <tingqian.li@...el.com>
+  - Zhou, Luwei <luwei.zhou@...el.com>
+
+description: |
+  The Intel VPU manager provides shared memory and process
+  depedent context management for Intel VPU hardware IP.
+
+properties:
+  compatible:
+    items:
+      - enum:
+        - intel,keembay-vpu-mgr
+        - intel,keembay-vpusmm
+
+  memory-region:
+    description:
+      phandle to a node describing reserved memory (System RAM memory)
+      used by VPU (see bindings/reserved-memory/reserved-memory.txt)
+    maxItems: 1
+
+  intel,keembay-vpu-ipc-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      the index of the VPU slice to be managed. Default is 0.
+
+required:
+  - compatible
+  - memory-region
+
+additionalProperties: false
+
+examples:
+  - |
+    vpumgr0 {
+        compatible = "intel,keembay-vpu-mgr";
+        memory-region = <&vpu_reserved>;
+        intel,keembay-vpu-ipc-id = <0x0>;
+    };
-- 
2.17.1