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Diffstat (limited to 'Documentation/devicetree/bindings/sound/dialog,da7219.yaml')
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diff --git a/Documentation/devicetree/bindings/sound/dialog,da7219.yaml b/Documentation/devicetree/bindings/sound/dialog,da7219.yaml new file mode 100644 index 000000000000..19137abdba3e --- /dev/null +++ b/Documentation/devicetree/bindings/sound/dialog,da7219.yaml @@ -0,0 +1,238 @@ +# 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>; + }; + }; + }; |