[PATCH v3 17/34] xlink-ipc: Add xlink ipc device tree bindings
From: mgross@linux.intel.com
Date: 2021-01-26 23:29:24
Also in:
lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2021-01-30 · [PATCH v3 17/34] xlink-ipc: Add xlink ipc device tree bindings · mgross@linux.intel.com
From: Seamus Kelly <redacted> Add device tree bindings for the xLink IPC driver which enables xLink to control and communicate with the VPU IP present on the Intel Keem Bay SoC. Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Reviewed-by: Mark Gross <mgross@linux.intel.com> Signed-off-by: Seamus Kelly <redacted> Signed-off-by: Ryan Carnaghi <redacted> --- .../misc/intel,keembay-xlink-ipc.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/intel,keembay-xlink-ipc.yaml
diff --git a/Documentation/devicetree/bindings/misc/intel,keembay-xlink-ipc.yaml b/Documentation/devicetree/bindings/misc/intel,keembay-xlink-ipc.yaml
new file mode 100644
index 000000000000..699e43c4cd40
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/intel,keembay-xlink-ipc.yaml@@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) Intel Corporation. All rights reserved. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/misc/intel,keembay-xlink-ipc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Intel Keem Bay xlink IPC + +maintainers: + - Kelly Seamus <seamus.kelly@intel.com> + +description: | + The Keem Bay xlink IPC driver enables the communication/control sub-system + for internal IPC communications within the Intel Keem Bay SoC. + +properties: + compatible: + oneOf: + - items: + - const: intel,keembay-xlink-ipc + + memory-region: + items: + - description: reference to the CSS xlink IPC reserved memory region. + - description: reference to the MSS xlink IPC reserved memory region. + + intel,keembay-vpu-ipc-id: + $ref: "/schemas/types.yaml#/definitions/uint32" + description: The numeric ID identifying the VPU within the xLink stack. + + intel,keembay-vpu-ipc-name: + $ref: "/schemas/types.yaml#/definitions/string" + description: User-friendly name for the VPU within the xLink stack. + + intel,keembay-vpu-ipc: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: reference to the corresponding intel,keembay-vpu-ipc node. + +examples: + - | + xlink-ipc { + compatible = "intel,keembay-xlink-ipc"; + memory-region = <&css_xlink_reserved>, + <&mss_xlink_reserved>; + intel,keembay-vpu-ipc-id = <0x0>; + intel,keembay-vpu-ipc-name = "vpu-slice-0"; + intel,keembay-vpu-ipc = <&vpuipc>; + };
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2.17.1