Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt

   1 msm8916 analog audio CODEC
   2
   3 Bindings for codec Analog IP which is integrated in pmic pm8916,
   4
   5 ## Bindings for codec core on pmic:
   6
   7 Required properties
   8  - compatible = "qcom,pm8916-wcd-analog-codec";
   9  - reg: represents the slave base address provided to the peripheral.
  10  - interrupts: List of interrupts in given SPMI peripheral.
  11  - interrupt-names: Names specified to above list of interrupts in same
  12                     order. List of supported interrupt names are:
  13   "cdc_spk_cnp_int" - Speaker click and pop interrupt.
  14   "cdc_spk_clip_int" - Speaker clip interrupt.
  15   "cdc_spk_ocp_int" - Speaker over current protect interrupt.
  16   "mbhc_ins_rem_det1" - jack insert removal detect interrupt 1.
  17   "mbhc_but_rel_det" - button release interrupt.
  18   "mbhc_but_press_det" - button press event
  19   "mbhc_ins_rem_det" - jack insert removal detect interrupt.
  20   "mbhc_switch_int"     - multi button headset interrupt.
  21   "cdc_ear_ocp_int" - Earphone over current protect interrupt.
  22   "cdc_hphr_ocp_int" - Headphone R over current protect interrupt.
  23   "cdc_hphl_ocp_det" - Headphone L over current protect interrupt.
  24   "cdc_ear_cnp_int" - earphone cnp interrupt.
  25   "cdc_hphr_cnp_int" - hphr click and pop interrupt.
  26   "cdc_hphl_cnp_int" - hphl click and pop interrupt.
  27
  28  - clocks: Handle to mclk.
  29  - clock-names: should be "mclk"
  30  - vdd-cdc-io-supply: phandle to VDD_CDC_IO regulator DT node.
  31  - vdd-cdc-tx-rx-cx-supply: phandle to VDD_CDC_TX/RX/CX regulator DT node.
  32  - vdd-micbias-supply: phandle of VDD_MICBIAS supply's regulator DT node.
  33 Optional Properties:
  34  - qcom,mbhc-vthreshold-low: Array of 5 threshold voltages in mV for 5 buttons
  35                              detection on headset when the mbhc is powered up
  36                              by internal current source, this is a low power.
  37  - qcom,mbhc-vthreshold-high: Array of 5 thresold voltages in mV for 5 buttons
  38                               detection on headset when mbhc is powered up
  39                                from micbias.
  40 - qcom,micbias-lvl:  Voltage (mV) for Mic Bias
  41 - qcom,hphl-jack-type-normally-open: boolean, present if hphl pin on jack is a
  42                                      NO (Normally Open). If not specified, then
  43                                      its assumed that hphl pin on jack is NC
  44                                      (Normally Closed).
  45 - qcom,gnd-jack-type-normally-open: boolean, present if gnd pin on jack is
  46                                     NO (Normally Open). If not specified, then
  47                                     its assumed that gnd pin on jack is NC
  48                                     (Normally Closed).
  49 - qcom,micbias1-ext-cap: boolean, present if micbias1 has external capacitor
  50                          connected.
  51 - qcom,micbias2-ext-cap: boolean, present if micbias2 has external capacitor
  52                          connected.
  53
  54 Example:
  55
  56 spmi_bus {
  57         ...
  58         audio-codec@f000{
  59                 compatible = "qcom,pm8916-wcd-analog-codec";
  60                 reg = <0xf000 0x200>;
  61                 reg-names = "pmic-codec-core";
  62                 clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>;
  63                 clock-names = "mclk";
  64                 qcom,mbhc-vthreshold-low = <75 150 237 450 500>;
  65                 qcom,mbhc-vthreshold-high = <75 150 237 450 500>;
  66                 interrupt-parent = <&spmi_bus>;
  67                 interrupts = <0x1 0xf0 0x0 IRQ_TYPE_NONE>,
  68                              <0x1 0xf0 0x1 IRQ_TYPE_NONE>,
  69                              <0x1 0xf0 0x2 IRQ_TYPE_NONE>,
  70                              <0x1 0xf0 0x3 IRQ_TYPE_NONE>,
  71                              <0x1 0xf0 0x4 IRQ_TYPE_NONE>,
  72                              <0x1 0xf0 0x5 IRQ_TYPE_NONE>,
  73                              <0x1 0xf0 0x6 IRQ_TYPE_NONE>,
  74                              <0x1 0xf0 0x7 IRQ_TYPE_NONE>,
  75                              <0x1 0xf1 0x0 IRQ_TYPE_NONE>,
  76                              <0x1 0xf1 0x1 IRQ_TYPE_NONE>,
  77                              <0x1 0xf1 0x2 IRQ_TYPE_NONE>,
  78                              <0x1 0xf1 0x3 IRQ_TYPE_NONE>,
  79                              <0x1 0xf1 0x4 IRQ_TYPE_NONE>,
  80                              <0x1 0xf1 0x5 IRQ_TYPE_NONE>;
  81                 interrupt-names = "cdc_spk_cnp_int",
  82                                   "cdc_spk_clip_int",
  83                                   "cdc_spk_ocp_int",
  84                                   "mbhc_ins_rem_det1",
  85                                   "mbhc_but_rel_det",
  86                                   "mbhc_but_press_det",
  87                                   "mbhc_ins_rem_det",
  88                                   "mbhc_switch_int",
  89                                   "cdc_ear_ocp_int",
  90                                   "cdc_hphr_ocp_int",
  91                                   "cdc_hphl_ocp_det",
  92                                   "cdc_ear_cnp_int",
  93                                   "cdc_hphr_cnp_int",
  94                                   "cdc_hphl_cnp_int";
  95                        VDD-CDC-IO-supply = <&pm8916_l5>;
  96                        VDD-CDC-TX-RX-CX-supply = <&pm8916_l5>;
  97                        VDD-MICBIAS-supply = <&pm8916_l13>;
  98                        #sound-dai-cells = <1>;
  99         };
 100 };