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Date: Mon, 1 Aug 2022 21:37:30 +0530
From: Sameer Pujar <spujar@...dia.com>
To: <broonie@...nel.org>, <lgirdwood@...il.com>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <perex@...ex.cz>,
<tiwai@...e.com>, <kuninori.morimoto.gx@...esas.com>
CC: <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Sameer Pujar <spujar@...dia.com>
Subject: [PATCH v2 1/3] ASoC: dt-bindings: Add schema for common DAI params
The "convert-channels" and "convert-rate" bindings are provided for both
simple-card and audio-graph-card. However these are separately defined in
their respective schemas. For any new binding addition, which is common to
both, there will be duplication.
Introduce a new schema to have common DAI params properties and these can
be re-used in other schemas wherever applicable.
Signed-off-by: Sameer Pujar <spujar@...dia.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
.../bindings/sound/audio-graph-port.yaml | 13 ++++------
.../devicetree/bindings/sound/audio-graph.yaml | 7 +++---
.../devicetree/bindings/sound/dai-params.yaml | 28 ++++++++++++++++++++++
.../devicetree/bindings/sound/simple-card.yaml | 16 ++++---------
4 files changed, 40 insertions(+), 24 deletions(-)
create mode 100644 Documentation/devicetree/bindings/sound/dai-params.yaml
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
index 5c36867..30a644d9 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
@@ -19,11 +19,10 @@ properties:
description: "device name prefix"
$ref: /schemas/types.yaml#/definitions/string
convert-rate:
- description: CPU to Codec rate convert.
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-sample-rate"
convert-channels:
- description: CPU to Codec rate channels.
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-channels"
+
patternProperties:
"^endpoint(@[0-9a-f]+)?":
$ref: /schemas/graph.yaml#/$defs/endpoint-base
@@ -65,11 +64,9 @@ patternProperties:
- msb
- lsb
convert-rate:
- description: CPU to Codec rate convert.
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-sample-rate"
convert-channels:
- description: CPU to Codec rate channels.
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-channels"
dai-tdm-slot-width-map:
description: Mapping of sample widths to slot widths. For hardware
diff --git a/Documentation/devicetree/bindings/sound/audio-graph.yaml b/Documentation/devicetree/bindings/sound/audio-graph.yaml
index 4b46794..a9cd52e 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph.yaml
@@ -27,11 +27,10 @@ properties:
description: User specified audio sound widgets.
$ref: /schemas/types.yaml#/definitions/non-unique-string-array
convert-rate:
- description: CPU to Codec rate convert.
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-sample-rate"
convert-channels:
- description: CPU to Codec rate channels.
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-channels"
+
pa-gpios:
maxItems: 1
hp-det-gpio:
diff --git a/Documentation/devicetree/bindings/sound/dai-params.yaml b/Documentation/devicetree/bindings/sound/dai-params.yaml
new file mode 100644
index 0000000..aae60cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/dai-params.yaml
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/dai-params.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Digital Audio Interface (DAI) Stream Parameters
+
+maintainers:
+ - Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
+
+select: false
+
+properties:
+
+ dai-channels:
+ description: Number of audio channels used by DAI
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 32
+
+ dai-sample-rate:
+ description: Audio sample rate used by DAI
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 8000
+ maximum: 192000
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
index b261d49..ab03a2b 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.yaml
+++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
@@ -69,14 +69,6 @@ definitions:
as amplifiers, to be added to the sound card.
$ref: /schemas/types.yaml#/definitions/phandle-array
- convert-rate:
- description: CPU to Codec rate convert.
- $ref: /schemas/types.yaml#/definitions/uint32
-
- convert-channels:
- description: CPU to Codec rate channels.
- $ref: /schemas/types.yaml#/definitions/uint32
-
prefix:
description: "device name prefix"
$ref: /schemas/types.yaml#/definitions/string
@@ -188,9 +180,9 @@ properties:
simple-audio-card,aux-devs:
$ref: "#/definitions/aux-devs"
simple-audio-card,convert-rate:
- $ref: "#/definitions/convert-rate"
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-sample-rate"
simple-audio-card,convert-channels:
- $ref: "#/definitions/convert-channels"
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-channels"
simple-audio-card,prefix:
$ref: "#/definitions/prefix"
simple-audio-card,pin-switches:
@@ -231,9 +223,9 @@ patternProperties:
aux-devs:
$ref: "#/definitions/aux-devs"
convert-rate:
- $ref: "#/definitions/convert-rate"
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-sample-rate"
convert-channels:
- $ref: "#/definitions/convert-channels"
+ $ref: "/schemas/sound/dai-params.yaml#/properties/dai-channels"
prefix:
$ref: "#/definitions/prefix"
pin-switches:
--
2.7.4
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