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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/dialog,da7219.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Dialog Semiconductor DA7219 Audio Codec
maintainers:
- David Rau <David.Rau.opensource@dm.renesas.com>
description:
The DA7219 is an ultra low-power audio codec with
in-built advanced accessory detection (AAD) for mobile
computing and accessory applications, which supports
sample rates up to 96 kHz at 24-bit resolution.
properties:
compatible:
const: dlg,da7219
reg:
maxItems: 1
interrupts:
maxItems: 1
VDD-supply:
description:
VDD power supply for the device.
VDDMIC-supply:
description:
VDDMIC power supply for the device.
VDDIO-supply:
description:
VDDIO power supply for the device.
interrupt-names:
description:
Should be "wakeup" if interrupt is to be used to wake system,
otherwise "irq" should be used.
enum:
- wakeup
- irq
wakeup-source:
type: boolean
description:
Flag to indicate this device can wake system (suspend/resume).
"#clock-cells":
const: 1
clock-output-names:
minItems: 2
maxItems: 2
description:
Name given for DAI WCLK and BCLK outputs.
clocks:
maxItems: 1
description:
phandle and clock specifier for codec MCLK.
clock-names:
const: mclk
dlg,micbias-lvl:
enum: [1600, 1800, 2000, 2200, 2400, 2600]
description:
Voltage (mV) for Mic Bias.
$ref: /schemas/types.yaml#/definitions/uint32
dlg,mic-amp-in-sel:
enum: [diff, se_p, se_n]
description:
Mic input source type.
diff - Differential.
se_p - MIC_P.
Positive differential analog microphone input.
se_n - MIC_N.
Negative differential analog microphone input.
$ref: /schemas/types.yaml#/definitions/string
da7219_aad:
type: object
additionalProperties: false
description:
Configuration of advanced accessory detection.
properties:
dlg,micbias-pulse-lvl:
enum: [2800, 2900]
description:
Mic bias higher voltage pulse level (mV).
$ref: /schemas/types.yaml#/definitions/uint32
dlg,micbias-pulse-time:
description:
Mic bias higher voltage pulse duration (ms).
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
dlg,btn-cfg:
enum: [2, 5, 10, 50, 100, 200, 500]
description:
Periodic button press measurements for 4-pole jack (ms).
$ref: /schemas/types.yaml#/definitions/uint32
dlg,mic-det-thr:
enum: [200, 500, 750, 1000]
description:
Impedance threshold for mic detection measurement (Ohms).
$ref: /schemas/types.yaml#/definitions/uint32
dlg,jack-ins-deb:
enum: [5, 10, 20, 50, 100, 200, 500, 1000]
description:
Debounce time for jack insertion (ms).
$ref: /schemas/types.yaml#/definitions/uint32
dlg,jack-ins-det-pty:
enum: [low, high]
description:
Polarity for jack insertion detection.
$ref: /schemas/types.yaml#/definitions/string
dlg,jack-det-rate:
enum: ["32_64", "64_128", "128_256", "256_512"]
description:
Jack type (3/4 pole) detection latency (ms).
$ref: /schemas/types.yaml#/definitions/string
dlg,jack-rem-deb:
enum: [1, 5, 10, 20]
description:
Debounce time for jack removal (ms).
$ref: /schemas/types.yaml#/definitions/uint32
dlg,a-d-btn-thr:
description:
Impedance threshold between buttons A and D.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
dlg,d-b-btn-thr:
description:
Impedance threshold between buttons D and B.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
dlg,b-c-btn-thr:
description:
Impedance threshold between buttons B and C.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
dlg,c-mic-btn-thr:
description:
Impedance threshold between button C and Mic.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
dlg,btn-avg:
enum: [1, 2, 4, 8]
description:
Number of 8-bit readings for averaged button measurement.
$ref: /schemas/types.yaml#/definitions/uint32
dlg,adc-1bit-rpt:
enum: [1, 2, 4, 8]
description:
Repeat count for 1-bit button measurement.
$ref: /schemas/types.yaml#/definitions/uint32
required:
- compatible
- reg
- interrupts
- VDD-supply
- VDDMIC-supply
- VDDIO-supply
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
codec: da7219@1a {
compatible = "dlg,da7219";
reg = <0x1a>;
interrupt-parent = <&gpio6>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
VDD-supply = <&vdd_reg>;
VDDMIC-supply = <&vddmic_reg>;
VDDIO-supply = <&vddio_reg>;
#clock-cells = <1>;
clock-output-names = "da7219-dai-wclk", "da7219-dai-bclk";
clocks = <&clks 201>;
clock-names = "mclk";
dlg,micbias-lvl = <2600>;
dlg,mic-amp-in-sel = "diff";
da7219_aad {
dlg,btn-cfg = <50>;
dlg,mic-det-thr = <500>;
dlg,jack-ins-deb = <20>;
dlg,jack-ins-det-pty = "low";
dlg,jack-det-rate = "32_64";
dlg,jack-rem-deb = <1>;
dlg,a-d-btn-thr = <0xa>;
dlg,d-b-btn-thr = <0x16>;
dlg,b-c-btn-thr = <0x21>;
dlg,c-mic-btn-thr = <0x3E>;
dlg,btn-avg = <4>;
dlg,adc-1bit-rpt = <1>;
};
};
};
|
