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Message-Id: <20230730194230.34447-1-krzysztof.kozlowski@linaro.org>
Date: Sun, 30 Jul 2023 21:42:30 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Ryan Lee <ryans.lee@...imintegrated.com>,
alsa-devel@...a-project.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] ASoC: dt-bindings: Convert maxim,max98925 to DT schema
Convert the Maxim Integrated MAX98925/MAX98926/MAX98927 speaker
amplifier bindings to DT schema format. Changes during conversion: add
sound-dai-cells, already used by DTS.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Ryan,
As original author, I added you as bindings maintainer. Is that okay or
maybe someone else from Maxim should take care about the bindings?
---
.../devicetree/bindings/sound/max9892x.txt | 44 --------
.../bindings/sound/maxim,max98925.yaml | 100 ++++++++++++++++++
2 files changed, 100 insertions(+), 44 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/max9892x.txt
create mode 100644 Documentation/devicetree/bindings/sound/maxim,max98925.yaml
diff --git a/Documentation/devicetree/bindings/sound/max9892x.txt b/Documentation/devicetree/bindings/sound/max9892x.txt
deleted file mode 100644
index 98cb9ba5b328..000000000000
--- a/Documentation/devicetree/bindings/sound/max9892x.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-Maxim Integrated MAX98925/MAX98926/MAX98927 Speaker Amplifier
-
-This device supports I2C.
-
-Required properties:
-
- - compatible : should be one of the following
- - "maxim,max98925"
- - "maxim,max98926"
- - "maxim,max98927"
-
- - vmon-slot-no : slot number used to send voltage information
- or in inteleave mode this will be used as
- interleave slot.
- MAX98925/MAX98926 slot range : 0 ~ 30, Default : 0
- MAX98927 slot range : 0 ~ 15, Default : 0
-
- - imon-slot-no : slot number used to send current information
- MAX98925/MAX98926 slot range : 0 ~ 30, Default : 0
- MAX98927 slot range : 0 ~ 15, Default : 0
-
- - interleave-mode : When using two MAX9892X in a system it is
- possible to create ADC data that that will
- overflow the frame size. Digital Audio Interleave
- mode provides a means to output VMON and IMON data
- from two devices on a single DOUT line when running
- smaller frames sizes such as 32 BCLKS per LRCLK or
- 48 BCLKS per LRCLK.
- Range : 0 (off), 1 (on), Default : 0
-
- - reg : the I2C address of the device for I2C
-
-Optional properties:
- - reset-gpios : GPIO to reset the device
-
-Example:
-
-codec: max98927@3a {
- compatible = "maxim,max98927";
- vmon-slot-no = <0>;
- imon-slot-no = <1>;
- interleave-mode = <0>;
- reg = <0x3a>;
-};
diff --git a/Documentation/devicetree/bindings/sound/maxim,max98925.yaml b/Documentation/devicetree/bindings/sound/maxim,max98925.yaml
new file mode 100644
index 000000000000..a01a130ef686
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max98925.yaml
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/maxim,max98925.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX98925/MAX98926/MAX98927 speaker amplifier
+
+maintainers:
+ - Ryan Lee <ryans.lee@...imintegrated.com>
+
+properties:
+ compatible:
+ enum:
+ - maxim,max98925
+ - maxim,max98926
+ - maxim,max98927
+
+ reg:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 0
+
+ vmon-slot-no:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 30
+ default: 0
+ description:
+ Slot number used to send voltage information or in inteleave mode this
+ will be used as interleave slot.
+
+ imon-slot-no:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 30
+ default: 0
+ description:
+ Slot number used to send current information.
+
+ interleave-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ default: 0
+ description:
+ When using two MAX9892X in a system it is possible to create ADC data
+ that will overflow the frame size. Digital Audio Interleave mode provides
+ a means to output VMON and IMON data from two devices on a single DOUT
+ line when running smaller frames sizes such as 32 BCLKS per LRCLK or 48
+ BCLKS per LRCLK.
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: dai-common.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - maxim,max98927
+ then:
+ properties:
+ vmon-slot-no:
+ minimum: 0
+ maximum: 15
+
+ imon-slot-no:
+ minimum: 0
+ maximum: 15
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ #include <dt-bindings/gpio/gpio.h>
+ audio-codec@3a {
+ compatible = "maxim,max98927";
+ reg = <0x3a>;
+ #sound-dai-cells = <0>;
+
+ pinctrl-0 = <&speaker_default>;
+ pinctrl-names = "default";
+
+ reset-gpios = <&tlmm 69 GPIO_ACTIVE_LOW>;
+
+ vmon-slot-no = <1>;
+ imon-slot-no = <0>;
+ };
+ };
--
2.34.1
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