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03f380178d
* Move Meson64 to 5.6.y * Move Meson64 U-boot to 2020.04 Tested on Odroid C2 * Merge, replace and update patches from Khadas branch
138 lines
4 KiB
Diff
138 lines
4 KiB
Diff
From 8801f9ef8160ffcd4c742eae11ffc4a51ae6ab5b Mon Sep 17 00:00:00 2001
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From: Jerome Brunet <jbrunet@baylibre.com>
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Date: Thu, 13 Feb 2020 16:51:58 +0100
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Subject: [PATCH 019/101] FROMGIT: ASoC: meson: gx: add sound card dt-binding
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documentation
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Add the dt-binding documentation of sound card supporting the amlogic
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GX SoC family
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Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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---
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.../bindings/sound/amlogic,gx-sound-card.yaml | 113 ++++++++++++++++++
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1 file changed, 113 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml
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diff --git a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml
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new file mode 100644
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index 000000000000..fb374c659be1
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml
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@@ -0,0 +1,113 @@
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+# SPDX-License-Identifier: GPL-2.0
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/sound/amlogic,gx-sound-card.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Amlogic GX sound card
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+
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+maintainers:
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+ - Jerome Brunet <jbrunet@baylibre.com>
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+
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+properties:
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+ compatible:
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+ items:
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+ - const: amlogic,gx-sound-card
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+
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+ audio-aux-devs:
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+ $ref: /schemas/types.yaml#/definitions/phandle-array
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+ description: list of auxiliary devices
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+
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+ audio-routing:
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+ $ref: /schemas/types.yaml#/definitions/non-unique-string-array
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+ minItems: 2
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+ description: |-
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+ A list of the connections between audio components. Each entry is a
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+ pair of strings, the first being the connection's sink, the second
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+ being the connection's source.
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+
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+ audio-widgets:
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+ $ref: /schemas/types.yaml#/definitions/non-unique-string-array
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+ minItems: 2
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+ description: |-
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+ A list off component DAPM widget. Each entry is a pair of strings,
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+ the first being the widget type, the second being the widget name
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+
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+ model:
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+ $ref: /schemas/types.yaml#/definitions/string
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+ description: User specified audio sound card name
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+
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+patternProperties:
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+ "^dai-link-[0-9]+$":
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+ type: object
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+ description: |-
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+ dai-link child nodes:
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+ Container for dai-link level properties and the CODEC sub-nodes.
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+ There should be at least one (and probably more) subnode of this type
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+
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+ properties:
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+ dai-format:
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+ $ref: /schemas/types.yaml#/definitions/string
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+ enum: [ i2s, left-j, dsp_a ]
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+
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+ mclk-fs:
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+ $ref: /schemas/types.yaml#/definitions/uint32
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+ description: |-
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+ Multiplication factor between the frame rate and master clock
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+ rate
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+
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+ sound-dai:
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+ $ref: /schemas/types.yaml#/definitions/phandle
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+ description: phandle of the CPU DAI
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+
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+ patternProperties:
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+ "^codec-[0-9]+$":
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+ type: object
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+ description: |-
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+ Codecs:
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+ dai-link representing backend links should have at least one subnode.
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+ One subnode for each codec of the dai-link. dai-link representing
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+ frontend links have no codec, therefore have no subnodes
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+
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+ properties:
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+ sound-dai:
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+ $ref: /schemas/types.yaml#/definitions/phandle
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+ description: phandle of the codec DAI
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+
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+ required:
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+ - sound-dai
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+
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+ required:
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+ - sound-dai
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+
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+required:
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+ - model
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+ - dai-link-0
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+
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+examples:
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+ - |
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+ sound {
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+ compatible = "amlogic,gx-sound-card";
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+ model = "GXL-ACME-S905X-FOO";
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+ audio-aux-devs = <&>;
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+ audio-routing = "I2S ENCODER I2S IN", "I2S FIFO Playback";
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+
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+ dai-link-0 {
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+ sound-dai = <&i2s_fifo>;
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+ };
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+
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+ dai-link-1 {
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+ sound-dai = <&i2s_encoder>;
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+ dai-format = "i2s";
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+ mclk-fs = <256>;
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+
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+ codec-0 {
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+ sound-dai = <&codec0>;
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+ };
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+
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+ codec-1 {
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+ sound-dai = <&codec1>;
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+ };
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+ };
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+ };
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+
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--
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2.17.1
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