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Message-Id: <20221203160442.69594-3-krzysztof.kozlowski@linaro.org>
Date: Sat, 3 Dec 2022 17:04:42 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
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Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 3/3] ASoC: dt-bindings: maxim,max98357a: Convert to DT schema
Convert the Maxim Integrated MAX98357A/MAX98360A amplifier bindings to
DT schema. Add missing properties ('#sound-dai-cells' and
'sound-name-prefix' from common DAI properties).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
As a maintainer I added recent contributor to this driver/bindings:
Tzung-Bi Shih. Please ack if you agree to keep an eye on the bindings.
---
.../devicetree/bindings/sound/max98357a.txt | 28 ----------
.../bindings/sound/maxim,max98357a.yaml | 52 +++++++++++++++++++
2 files changed, 52 insertions(+), 28 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/max98357a.txt
create mode 100644 Documentation/devicetree/bindings/sound/maxim,max98357a.yaml
diff --git a/Documentation/devicetree/bindings/sound/max98357a.txt b/Documentation/devicetree/bindings/sound/max98357a.txt
deleted file mode 100644
index 75db84d06240..000000000000
--- a/Documentation/devicetree/bindings/sound/max98357a.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-Maxim MAX98357A/MAX98360A audio DAC
-
-This node models the Maxim MAX98357A/MAX98360A DAC.
-
-Required properties:
-- compatible : "maxim,max98357a" for MAX98357A.
- "maxim,max98360a" for MAX98360A.
-
-Optional properties:
-- sdmode-gpios : GPIO specifier for the chip's SD_MODE pin.
- If this option is not specified then driver does not manage
- the pin state (e.g. chip is always on).
-- sdmode-delay : specify delay time for SD_MODE pin.
- If this option is specified, which means it's required i2s clocks
- ready before SD_MODE is unmuted in order to avoid the speaker pop noise.
- It's observed that 5ms is sufficient.
-
-Example:
-
-max98357a {
- compatible = "maxim,max98357a";
- sdmode-gpios = <&qcom_pinmux 25 0>;
-};
-
-max98360a {
- compatible = "maxim,max98360a";
- sdmode-gpios = <&qcom_pinmux 25 0>;
-};
diff --git a/Documentation/devicetree/bindings/sound/maxim,max98357a.yaml b/Documentation/devicetree/bindings/sound/maxim,max98357a.yaml
new file mode 100644
index 000000000000..83ba8666fbb4
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max98357a.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/maxim,max98357a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX98357A/MAX98360A amplifier
+
+maintainers:
+ - Tzung-Bi Shih <tzungbi@...nel.org>
+
+description:
+ Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM)
+ input Class D amplifier.
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - maxim,max98357a
+ - maxim,max98360a
+
+ '#sound-dai-cells':
+ const: 0
+
+ sdmode-gpios:
+ maxItems: 1
+ description:
+ Chip's SD_MODE pin. If missing the chip is always on.
+
+ sdmode-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Delay time for SD_MODE pin changes intended to make I2S clocks ready
+ before SD_MODE is unmuted in order to avoid the speaker pop noise.
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ amplifier {
+ compatible = "maxim,max98360a";
+ #sound-dai-cells = <0>;
+ sdmode-gpios = <&qcom_pinmux 25 GPIO_ACTIVE_HIGH>;
+ };
--
2.34.1
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