Based on kernel version 6.2.16
. Page generated on 2023-08-29 08:28 EST
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | Texas Instruments - tlv320aic3x Codec module The tlv320aic3x serial control bus communicates through both I2C and SPI bus protocols Required properties: - compatible - "string" - One of: "ti,tlv320aic3x" - Generic TLV320AIC3x device "ti,tlv320aic33" - TLV320AIC33 "ti,tlv320aic3007" - TLV320AIC3007 "ti,tlv320aic3106" - TLV320AIC3106 "ti,tlv320aic3104" - TLV320AIC3104 - reg - <int> - I2C slave address Optional properties: - reset-gpios - GPIO specification for the active low RESET input. - ai3x-gpio-func - <array of 2 int> - AIC3X_GPIO1 & AIC3X_GPIO2 Functionality - Not supported on tlv320aic3104 - ai3x-micbias-vg - MicBias Voltage required. 1 - MICBIAS output is powered to 2.0V, 2 - MICBIAS output is powered to 2.5V, 3 - MICBIAS output is connected to AVDD, If this node is not mentioned or if the value is incorrect, then MicBias is powered down. - ai3x-ocmv - Output Common-Mode Voltage selection: 0 - 1.35V, 1 - 1.5V, 2 - 1.65V, 3 - 1.8V - AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the device as covered in Documentation/devicetree/bindings/regulator/regulator.txt Deprecated properties: - gpio-reset - gpio pin number used for codec reset CODEC output pins: * LLOUT * RLOUT * MONO_LOUT * HPLOUT * HPROUT * HPLCOM * HPRCOM CODEC input pins for TLV320AIC3104: * MIC2L * MIC2R * LINE1L * LINE1R CODEC input pins for other compatible codecs: * MIC3L * MIC3R * LINE1L * LINE2L * LINE1R * LINE2R The pins can be used in referring sound node's audio-routing property. I2C example: #include <dt-bindings/gpio/gpio.h> tlv320aic3x: tlv320aic3x@1b { compatible = "ti,tlv320aic3x"; reg = <0x1b>; reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; AVDD-supply = <®ulator>; IOVDD-supply = <®ulator>; DRVDD-supply = <®ulator>; DVDD-supply = <®ulator>; }; SPI example: spi0: spi@f0000000 { tlv320aic3x: codec@0 { compatible = "ti,tlv320aic3x"; reg = <0>; /* CS number */ #sound-dai-cells = <0>; spi-max-frequency = <1000000>; AVDD-supply = <®ulator>; IOVDD-supply = <®ulator>; DRVDD-supply = <®ulator>; DVDD-supply = <®ulator>; ai3x-ocmv = <0>; }; }; |