102 lines
3.9 KiB
Plaintext
102 lines
3.9 KiB
Plaintext
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msm8916 analog audio CODEC
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Bindings for codec Analog IP which is integrated in pmic pm8916,
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## Bindings for codec core on pmic:
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Required properties
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- compatible = "qcom,pm8916-wcd-analog-codec";
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- reg: represents the slave base address provided to the peripheral.
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- interrupts: List of interrupts in given SPMI peripheral.
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- interrupt-names: Names specified to above list of interrupts in same
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order. List of supported interrupt names are:
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"cdc_spk_cnp_int" - Speaker click and pop interrupt.
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"cdc_spk_clip_int" - Speaker clip interrupt.
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"cdc_spk_ocp_int" - Speaker over current protect interrupt.
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"mbhc_ins_rem_det1" - jack insert removal detect interrupt 1.
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"mbhc_but_rel_det" - button release interrupt.
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"mbhc_but_press_det" - button press event
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"mbhc_ins_rem_det" - jack insert removal detect interrupt.
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"mbhc_switch_int" - multi button headset interrupt.
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"cdc_ear_ocp_int" - Earphone over current protect interrupt.
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"cdc_hphr_ocp_int" - Headphone R over current protect interrupt.
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"cdc_hphl_ocp_det" - Headphone L over current protect interrupt.
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"cdc_ear_cnp_int" - earphone cnp interrupt.
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"cdc_hphr_cnp_int" - hphr click and pop interrupt.
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"cdc_hphl_cnp_int" - hphl click and pop interrupt.
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- clocks: Handle to mclk.
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- clock-names: should be "mclk"
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- vdd-cdc-io-supply: phandle to VDD_CDC_IO regulator DT node.
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- vdd-cdc-tx-rx-cx-supply: phandle to VDD_CDC_TX/RX/CX regulator DT node.
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- vdd-micbias-supply: phandle of VDD_MICBIAS supply's regulator DT node.
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Optional Properties:
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- qcom,mbhc-vthreshold-low: Array of 5 threshold voltages in mV for 5 buttons
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detection on headset when the mbhc is powered up
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by internal current source, this is a low power.
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- qcom,mbhc-vthreshold-high: Array of 5 thresold voltages in mV for 5 buttons
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detection on headset when mbhc is powered up
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from micbias.
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- qcom,micbias-lvl: Voltage (mV) for Mic Bias
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- qcom,hphl-jack-type-normally-open: boolean, present if hphl pin on jack is a
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NO (Normally Open). If not specified, then
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its assumed that hphl pin on jack is NC
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(Normally Closed).
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- qcom,gnd-jack-type-normally-open: boolean, present if gnd pin on jack is
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NO (Normally Open). If not specified, then
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its assumed that gnd pin on jack is NC
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(Normally Closed).
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- qcom,micbias1-ext-cap: boolean, present if micbias1 has external capacitor
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connected.
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- qcom,micbias2-ext-cap: boolean, present if micbias2 has external capacitor
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connected.
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Example:
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spmi_bus {
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...
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audio-codec@f000{
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compatible = "qcom,pm8916-wcd-analog-codec";
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reg = <0xf000 0x200>;
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reg-names = "pmic-codec-core";
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clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>;
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clock-names = "mclk";
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qcom,mbhc-vthreshold-low = <75 150 237 450 500>;
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qcom,mbhc-vthreshold-high = <75 150 237 450 500>;
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interrupt-parent = <&spmi_bus>;
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interrupts = <0x1 0xf0 0x0 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x1 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x2 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x3 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x4 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x5 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x6 IRQ_TYPE_NONE>,
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<0x1 0xf0 0x7 IRQ_TYPE_NONE>,
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<0x1 0xf1 0x0 IRQ_TYPE_NONE>,
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<0x1 0xf1 0x1 IRQ_TYPE_NONE>,
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<0x1 0xf1 0x2 IRQ_TYPE_NONE>,
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<0x1 0xf1 0x3 IRQ_TYPE_NONE>,
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<0x1 0xf1 0x4 IRQ_TYPE_NONE>,
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<0x1 0xf1 0x5 IRQ_TYPE_NONE>;
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interrupt-names = "cdc_spk_cnp_int",
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"cdc_spk_clip_int",
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"cdc_spk_ocp_int",
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"mbhc_ins_rem_det1",
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"mbhc_but_rel_det",
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"mbhc_but_press_det",
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"mbhc_ins_rem_det",
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"mbhc_switch_int",
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"cdc_ear_ocp_int",
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"cdc_hphr_ocp_int",
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"cdc_hphl_ocp_det",
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"cdc_ear_cnp_int",
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"cdc_hphr_cnp_int",
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"cdc_hphl_cnp_int";
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vdd-cdc-io-supply = <&pm8916_l5>;
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vdd-cdc-tx-rx-cx-supply = <&pm8916_l5>;
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vdd-micbias-supply = <&pm8916_l13>;
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#sound-dai-cells = <1>;
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};
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};
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