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dt-bindings: Convert the binding file google, cros-ec-codec.txt to yaml format.

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This was tested and verified with:
make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200127091806.11403-1-dafna.hirschfeld@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dafna Hirschfeld 2020-01-27 10:18:06 +01:00 committed by Mark Brown
parent 5d9fa03e6c
commit eadd54c75f
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2 changed files with 62 additions and 44 deletions
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44
Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt
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Audio codec controlled by ChromeOS EC
Google's ChromeOS EC codec is a digital mic codec provided by the
Embedded Controller (EC) and is controlled via a host-command interface.
An EC codec node should only be found as a sub-node of the EC node (see
Documentation/devicetree/bindings/mfd/cros-ec.txt).
Required properties:
- compatible: Must contain "google,cros-ec-codec"
- #sound-dai-cells: Should be 1. The cell specifies number of DAIs.
Optional properties:
- reg: Pysical base address and length of shared memory region from EC.
It contains 3 unsigned 32-bit integer. The first 2 integers
combine to become an unsigned 64-bit physical address. The last
one integer is length of the shared memory.
- memory-region: Shared memory region to EC. A "shared-dma-pool". See
../reserved-memory/reserved-memory.txt for details.
Example:
{
...
reserved_mem: reserved_mem {
compatible = "shared-dma-pool";
reg = <0 0x52800000 0 0x100000>;
no-map;
};
}
cros-ec@0 {
compatible = "google,cros-ec-spi";
...
cros_ec_codec: ec-codec {
compatible = "google,cros-ec-codec";
#sound-dai-cells = <1>;
reg = <0x0 0x10500000 0x80000>;
memory-region = <&reserved_mem>;
};
};

62
Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml Normal file
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# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/google,cros-ec-codec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Audio codec controlled by ChromeOS EC
maintainers:
- Cheng-Yi Chiang <cychiang@chromium.org>
description: |
Google's ChromeOS EC codec is a digital mic codec provided by the
Embedded Controller (EC) and is controlled via a host-command interface.
An EC codec node should only be found as a sub-node of the EC node (see
Documentation/devicetree/bindings/mfd/cros-ec.txt).
properties:
compatible:
const: google,cros-ec-codec
"#sound-dai-cells":
const: 1
reg:
items:
- description: |
Physical base address and length of shared memory region from EC.
It contains 3 unsigned 32-bit integer. The first 2 integers
combine to become an unsigned 64-bit physical address.
The last one integer is the length of the shared memory.
memory-region:
$ref: '/schemas/types.yaml#/definitions/phandle'
description: |
Shared memory region to EC. A "shared-dma-pool".
See ../reserved-memory/reserved-memory.txt for details.
required:
- compatible
- '#sound-dai-cells'
additionalProperties: false
examples:
- |
reserved_mem: reserved_mem {
compatible = "shared-dma-pool";
reg = <0 0x52800000 0 0x100000>;
no-map;
};
cros-ec@0 {
compatible = "google,cros-ec-spi";
#address-cells = <2>;
#size-cells = <1>;
cros_ec_codec: ec-codec {
compatible = "google,cros-ec-codec";
#sound-dai-cells = <1>;
reg = <0x0 0x10500000 0x80000>;
memory-region = <&reserved_mem>;
};
};