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Date: Mon, 26 Jun 2023 18:46:19 +0800
From: Seven Lee <wtli@...oton.com>
To: <broonie@...nel.org>
CC: <lgirdwood@...il.com>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <YHCHuang@...oton.com>,
<KCHSU0@...oton.com>, <CTLIN0@...oton.com>, <WTLI@...oton.com>,
<SJLIN0@...oton.com>, <scott6986@...il.com>,
<supercraig0719@...il.com>, <dardar923@...il.com>,
Seven Lee <wtli@...oton.com>
Subject: [PATCH] ASoC: dt-bindings: nau8821: Convert to dtschema
Convert the NAU8821 audio CODEC bindings to DT schema.
Signed-off-by: Seven Lee <wtli@...oton.com>
---
.../devicetree/bindings/sound/nau8821.txt | 55 --------
.../bindings/sound/nuvoton,nau8821.yaml | 120 ++++++++++++++++++
2 files changed, 120 insertions(+), 55 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/nau8821.txt
create mode 100644 Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
diff --git a/Documentation/devicetree/bindings/sound/nau8821.txt b/Documentation/devicetree/bindings/sound/nau8821.txt
deleted file mode 100644
index 7c84e7c7327a..000000000000
--- a/Documentation/devicetree/bindings/sound/nau8821.txt
+++ /dev/null
@@ -1,55 +0,0 @@
-Nuvoton NAU88L21 audio codec
-
-This device supports I2C only.
-
-Required properties:
- - compatible : Must be "nuvoton,nau8821"
-
- - reg : the I2C address of the device. This is either 0x1B (CSB=0) or 0x54 (CSB=1).
-
-Optional properties:
- - nuvoton,jkdet-enable: Enable jack detection via JKDET pin.
- - nuvoton,jkdet-pull-enable: Enable JKDET pin pull. If set - pin pull enabled,
- otherwise pin in high impedance state.
- - nuvoton,jkdet-pull-up: Pull-up JKDET pin. If set then JKDET pin is pull up, otherwise pull down.
- - nuvoton,jkdet-polarity: JKDET pin polarity. 0 - active high, 1 - active low.
-
- - nuvoton,vref-impedance: VREF Impedance selection
- 0 - Open
- 1 - 25 kOhm
- 2 - 125 kOhm
- 3 - 2.5 kOhm
-
- - nuvoton,micbias-voltage: Micbias voltage level.
- 0 - VDDA
- 1 - VDDA
- 2 - VDDA * 1.1
- 3 - VDDA * 1.2
- 4 - VDDA * 1.3
- 5 - VDDA * 1.4
- 6 - VDDA * 1.53
- 7 - VDDA * 1.53
-
- - nuvoton,jack-insert-debounce: number from 0 to 7 that sets debounce time to 2^(n+2) ms
- - nuvoton,jack-eject-debounce: number from 0 to 7 that sets debounce time to 2^(n+2) ms
-
- - nuvoton,dmic-clk-threshold: the ADC threshold of DMIC clock.
- - nuvoton,key_enable: Headset button detection switch.
-
-Example:
-
- headset: nau8821@1b {
- compatible = "nuvoton,nau8821";
- reg = <0x1b>;
- interrupt-parent = <&gpio>;
- interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
- nuvoton,jkdet-enable;
- nuvoton,jkdet-pull-enable;
- nuvoton,jkdet-pull-up;
- nuvoton,jkdet-polarity = <GPIO_ACTIVE_LOW>;
- nuvoton,vref-impedance = <2>;
- nuvoton,micbias-voltage = <6>;
- nuvoton,jack-insert-debounce = <7>;
- nuvoton,jack-eject-debounce = <7>;
- nuvoton,dmic-clk-threshold = 3072000;
- };
diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
new file mode 100644
index 000000000000..728223d20876
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nuvoton,nau8821.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NAU88L21 audio codec
+
+maintainers:
+ - Seven Lee <wtli@...oton.com>
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ const: nuvoton,nau8821
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ nuvoton,jkdet-enable:
+ description: Enable jack detection via JKDET pin.
+ type: boolean
+
+ nuvoton,jkdet-pull-enable:
+ description: Enable JKDET pin pull. If set - pin pull enabled,
+ otherwise pin in high impedance state.
+ type: boolean
+
+ nuvoton,jkdet-pull-up:
+ description: Pull-up JKDET pin. If set then JKDET pin is pull up,
+ otherwise pull down.
+ type: boolean
+
+ nuvoton,jkdet-polarity:
+ description: JKDET pin polarity.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 0 # active high
+ - 1 # active low
+ default: 1
+
+ nuvoton,micbias-voltage:
+ description: MICBIAS output level select.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 0 # VDDA
+ - 1 # VDDA * 1
+ - 2 # VDDA * 1.1
+ - 3 # VDDA * 1.2
+ - 4 # VDDA * 1.3
+ - 5 # VDDA * 1.4
+ - 6 # VDDA * 1.53
+ - 7 # VDDA * 1.53
+ default: 6
+
+ nuvoton,vref-impedance:
+ description: VMID Tie-off impedance select.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 0 # open(default)
+ - 1 # 25KOhms
+ - 2 # 125KOhms
+ - 3 # 2.5KOhms
+ default: 2
+
+ nuvoton,jack-insert-debounce:
+ description: number from 0 to 7 that sets debounce time to 2^(n+2)ms.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 7
+ default: 7
+
+ nuvoton,jack-eject-debounce:
+ description: number from 0 to 7 that sets debounce time to 2^(n+2)ms.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 7
+ default: 0
+
+ nuvoton,dmic-clk-threshold:
+ description: DMIC clock speed expected value. Unit is Hz.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 3072000
+
+ '#sound-dai-cells':
+ const: 0
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ codec@1b {
+ #sound-dai-cells = <0>;
+ compatible = "nuvoton,nau8821";
+ reg = <0x1b>;
+ interrupt-parent = <&gpio>;
+ interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+ nuvoton,jkdet-enable;
+ nuvoton,jkdet-pull-enable;
+ nuvoton,jkdet-pull-up;
+ nuvoton,jkdet-polarity = <GPIO_ACTIVE_LOW>;
+ nuvoton,micbias-voltage = <6>;
+ nuvoton,vref-impedance = <2>;
+ nuvoton,jack-insert-debounce = <7>;
+ nuvoton,jack-eject-debounce = <0>;
+ nuvoton,dmic-clk-threshold = <3072000>;
+ };
+ };
--
2.25.1
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