diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
6 files changed, 83 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card.txt b/Documentation/devicetree/bindings/sound/audio-graph-card.txt index 6e6720aa33f1..d04ea3b1a1dd 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-card.txt +++ b/Documentation/devicetree/bindings/sound/audio-graph-card.txt @@ -17,6 +17,7 @@ Below are same as Simple-Card. - bitclock-master - bitclock-inversion - frame-inversion +- mclk-fs - dai-tdm-slot-num - dai-tdm-slot-width - clocks / system-clock-frequency diff --git a/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt b/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt index 8b8afe9fcb31..441dd6f29df1 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt +++ b/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt @@ -43,7 +43,7 @@ Example 1. Sampling Rate Conversion label = "sound-card"; prefix = "codec"; routing = "codec Playback", "DAI0 Playback", - "codec Playback", "DAI1 Playback"; + "DAI0 Capture", "codec Capture"; convert-rate = <48000>; dais = <&cpu_port>; @@ -79,7 +79,8 @@ Example 2. 2 CPU 1 Codec (Mixing) label = "sound-card"; prefix = "codec"; routing = "codec Playback", "DAI0 Playback", - "codec Playback", "DAI1 Playback"; + "codec Playback", "DAI1 Playback", + "DAI0 Capture", "codec Capture"; convert-rate = <48000>; dais = <&cpu_port0 diff --git a/Documentation/devicetree/bindings/sound/cs42l56.txt b/Documentation/devicetree/bindings/sound/cs42l56.txt index 4feb0eb27ea4..4ba520a28ae8 100644 --- a/Documentation/devicetree/bindings/sound/cs42l56.txt +++ b/Documentation/devicetree/bindings/sound/cs42l56.txt @@ -55,7 +55,7 @@ Example: codec: codec@4b { compatible = "cirrus,cs42l56"; reg = <0x4b>; - gpio-reset = <&gpio 10 0>; + cirrus,gpio-nreset = <&gpio 10 0>; cirrus,chgfreq-divisor = <0x05>; cirrus.ain1_ref_cfg; cirrus,micbias-lvl = <5>; diff --git a/Documentation/devicetree/bindings/sound/rt5514.txt b/Documentation/devicetree/bindings/sound/rt5514.txt index 929ca6756b02..4f33b0d96afe 100644 --- a/Documentation/devicetree/bindings/sound/rt5514.txt +++ b/Documentation/devicetree/bindings/sound/rt5514.txt @@ -1,22 +1,27 @@ RT5514 audio CODEC -This device supports I2C only. +This device supports both I2C and SPI. Required properties: - compatible : "realtek,rt5514". -- reg : The I2C address of the device. +- reg : the I2C address of the device for I2C, the chip select + number for SPI. Optional properties: - clocks: The phandle of the master clock to the CODEC - clock-names: Should be "mclk" +- interrupt-parent: The phandle for the interrupt controller. +- interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. + - realtek,dmic-init-delay-ms - Set the DMIC initial delay (ms) to wait it ready. + Set the DMIC initial delay (ms) to wait it ready for I2C. -Pins on the device (for linking into audio routes) for RT5514: +Pins on the device (for linking into audio routes) for I2C: * DMIC1L * DMIC1R diff --git a/Documentation/devicetree/bindings/sound/rt5663.txt b/Documentation/devicetree/bindings/sound/rt5663.txt index ff381718c517..497bcfc58b71 100644 --- a/Documentation/devicetree/bindings/sound/rt5663.txt +++ b/Documentation/devicetree/bindings/sound/rt5663.txt @@ -19,6 +19,22 @@ Optional properties: Based on the different PCB layout, add the manual offset value to compensate the DC offset for each L and R channel, and they are different between headphone and headset. +- "realtek,impedance_sensing_num" + The matrix row number of the impedance sensing table. + If the value is 0, it means the impedance sensing is not supported. +- "realtek,impedance_sensing_table" + The matrix rows of the impedance sensing table are consisted by impedance + minimum, impedance maximun, volume, DC offset w/o and w/ mic of each L and + R channel accordingly. Example is shown as following. + < 0 300 7 0xffd160 0xffd1c0 0xff8a10 0xff8ab0 + 301 65535 4 0xffe470 0xffe470 0xffb8e0 0xffb8e0> + The first and second column are defined for the impedance range. If the + detected impedance value is in the range, then the volume value of the + third column will be set to codec. In our codec design, each volume value + should compensate different DC offset to avoid the pop sound, and it is + also different between headphone and headset. In the example, the + "realtek,impedance_sensing_num" is 2. It means that there are 2 ranges of + impedance in the impedance sensing function. Pins on the device (for linking into audio routes) for RT5663: diff --git a/Documentation/devicetree/bindings/sound/wlf,arizona.txt b/Documentation/devicetree/bindings/sound/wlf,arizona.txt new file mode 100644 index 000000000000..e172c62dc2df --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wlf,arizona.txt @@ -0,0 +1,53 @@ +Cirrus Logic Arizona class audio SoCs + +These devices are audio SoCs with extensive digital capabilities and a range +of analogue I/O. + +This document lists sound specific bindings, see the primary binding +document: + ../mfd/arizona.txt + +Optional properties: + + - wlf,inmode : A list of INn_MODE register values, where n is the number + of input signals. Valid values are 0 (Differential), 1 (Single-ended) and + 2 (Digital Microphone). If absent, INn_MODE registers set to 0 by default. + If present, values must be specified less than or equal to the number of + input signals. If values less than the number of input signals, elements + that have not been specified are set to 0 by default. Entries are: + <IN1, IN2, IN3, IN4> (wm5102, wm5110, wm8280, wm8997) + <IN1A, IN2A, IN1B, IN2B> (wm8998, wm1814) + - wlf,out-mono : A list of boolean values indicating whether each output is + mono or stereo. Position within the list indicates the output affected + (eg. First entry in the list corresponds to output 1). A non-zero value + indicates a mono output. If present, the number of values should be less + than or equal to the number of outputs, if less values are supplied the + additional outputs will be treated as stereo. + + - wlf,dmic-ref : DMIC reference voltage source for each input, can be + selected from either MICVDD or one of the MICBIAS's, defines + (ARIZONA_DMIC_xxxx) are provided in <dt-bindings/mfd/arizona.txt>. If + present, the number of values should be less than or equal to the + number of inputs, unspecified inputs will use the chip default. + + - wlf,max-channels-clocked : The maximum number of channels to be clocked on + each AIF, useful for I2S systems with multiple data lines being mastered. + Specify one cell for each AIF to be configured, specify zero for AIFs that + should be handled normally. + If present, number of cells must be less than or equal to the number of + AIFs. If less than the number of AIFs, for cells that have not been + specified the corresponding AIFs will be treated as default setting. + + - wlf,spk-fmt : PDM speaker data format, must contain 2 cells (OUT5 and OUT6). + See the datasheet for values. + The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997, + wm8998, wm1814) + + - wlf,spk-mute : PDM speaker mute setting, must contain 2 cells (OUT5 and OUT6). + See the datasheet for values. + The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997, + wm8998, wm1814) + + - wlf,out-volume-limit : The volume limit value that should be applied to each + output channel. See the datasheet for exact values. Channels are specified + in the order OUT1L, OUT1R, OUT2L, OUT2R, etc. |