Rob Herring 於 2/22/2024 10:16 PM 寫道:
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On Thu, Feb 22, 2024 at 04:38:24PM +0800, Seven Lee wrote:
Added a DT schema for describing nau8325 audio amplifiers.
Please test your bindings before sending.
okay, thanks.
Signed-off-by: Seven Lee <wtli@xxxxxxxxxxx>
---
.../bindings/sound/nuvoton,nau8325.yaml | 82 +++++++++++++++++++
1 file changed, 82 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
new file mode 100644
index 000000000000..fc72baf0bb7a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8325.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nuvoton,nau8325.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NAU8325 audio Amplifier
+
+maintainers:
+ - Seven Lee <WTLI@xxxxxxxxxxx>
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ const: nuvoton,nau8325
+
+ reg:
+ maxItems: 1
+
+ nuvoton,vref-impedance:
+ $ref: /schemas/types.yaml#/definitions/uint32
Use standard unit suffixes.
okay, I will use standard unit suffixes.
+ description:
+ VREF impedance selection.
+ enum:
+ - 0 # Open
+ - 1 # 25kOhm
+ - 2 # 125kOhm
+ - 3 # 2.5kOhm
+ default: 2
+
+ nuvoton,dac-vref:
+ $ref: /schemas/types.yaml#/definitions/uint32
Use standard unit suffixes.
okay, I will use standard unit suffixes.
+ description:
+ DAC Reference Voltage Setting.
+ enum:
+ - VDDA
in Volts?
yes, this is Volts.
+ - VDDA*1.5/1.8V
Volts/Volts
So 2 different units?
Both units are volts. I will modify the enum definition.
+ - VDDA*1.6/1.8V
+ - VDDA*1.7/1.8V
+ default: 2
+
+ nuvoton,alc-enable:
+ description:
+ Enable digital automatic level control (ALC) function.
+ type: boolean
+
+ nuvoton,clock-detection-disable:
+ description:
+ When clock detection is enabled, it will detect whether MCLK
+ and FS are within the range. MCLK range is from 2.048MHz to 24.576MHz.
+ FS range is from 8kHz to 96kHz.
+ type: boolean
+
+ nuvoton,clock-det-data:
+ description:
+ Request clock detection to require 2048 non-zero samples before enabling
+ the audio paths. If set then non-zero samples is required, otherwise it
+ doesn't matter.
+ type: boolean
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ codec@21 {
+ compatible = "nuvoton,nau8325";
+ reg = <0x21>;
+ nuvoton,vref-impedance = <2>;
+ nuvoton,dac-vref = <2>;
+ nuvoton,alc-enable;
+ nuvoton,clock-det-data;
+ };
+ };
--
2.25.1
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