diff options
author | Mark Brown <broonie@kernel.org> | 2014-09-01 16:36:34 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2014-09-01 16:36:34 +0100 |
commit | 025b78b809134ae710efca7ccf0a84b927ffb7c4 (patch) | |
tree | b091bbcb46e23bbd932bdc8e7c541503f5b9fa20 /Documentation/devicetree/bindings/sound | |
parent | 855675f6e6a65688a7f4cf45b9b5a98cf6c6f5c3 (diff) | |
parent | 014fd22ef9c6a7e9536b7e16635714a1a34810a8 (diff) |
Merge branch 'topic/fsl' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-fsl-sai
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
4 files changed, 183 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/sound/es8328.txt b/Documentation/devicetree/bindings/sound/es8328.txt new file mode 100644 index 00000000000..30ea8a318ae --- /dev/null +++ b/Documentation/devicetree/bindings/sound/es8328.txt @@ -0,0 +1,38 @@ +Everest ES8328 audio CODEC + +This device supports both I2C and SPI. + +Required properties: + + - compatible : "everest,es8328" + - DVDD-supply : Regulator providing digital core supply voltage 1.8 - 3.6V + - AVDD-supply : Regulator providing analog supply voltage 3.3V + - PVDD-supply : Regulator providing digital IO supply voltage 1.8 - 3.6V + - IPVDD-supply : Regulator providing analog output voltage 3.3V + - clocks : A 22.5792 or 11.2896 MHz clock + - reg : the I2C address of the device for I2C, the chip select number for SPI + +Pins on the device (for linking into audio routes): + + * LOUT1 + * LOUT2 + * ROUT1 + * ROUT2 + * LINPUT1 + * RINPUT1 + * LINPUT2 + * RINPUT2 + * Mic Bias + + +Example: + +codec: es8328@11 { + compatible = "everest,es8328"; + DVDD-supply = <®_3p3v>; + AVDD-supply = <®_3p3v>; + PVDD-supply = <®_3p3v>; + HPVDD-supply = <®_3p3v>; + clocks = <&clks 169>; + reg = <0x11>; +}; diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt new file mode 100644 index 00000000000..a96774c194c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt @@ -0,0 +1,82 @@ +Freescale Generic ASoC Sound Card with ASRC support + +The Freescale Generic ASoC Sound Card can be used, ideally, for all Freescale +SoCs connecting with external CODECs. + +The idea of this generic sound card is a bit like ASoC Simple Card. However, +for Freescale SoCs (especially those released in recent years), most of them +have ASRC (Documentation/devicetree/bindings/sound/fsl,asrc.txt) inside. And +this is a specific feature that might be painstakingly controlled and merged +into the Simple Card. + +So having this generic sound card allows all Freescale SoC users to benefit +from the simplification of a new card support and the capability of the wide +sample rates support through ASRC. + +Note: The card is initially designed for those sound cards who use I2S and + PCM DAI formats. However, it'll be also possible to support those non + I2S/PCM type sound cards, such as S/PDIF audio and HDMI audio, as long + as the driver has been properly upgraded. + + +The compatible list for this generic sound card currently: + "fsl,imx-audio-cs42888" + + "fsl,imx-audio-wm8962" + (compatible with Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt) + + "fsl,imx-audio-sgtl5000" + (compatible with Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt) + +Required properties: + + - compatible : Contains one of entries in the compatible list. + + - model : The user-visible name of this sound complex + + - audio-cpu : The phandle of an CPU DAI controller + + - audio-codec : The phandle of an audio codec + + - audio-routing : A list of the connections between audio components. + Each entry is a pair of strings, the first being the + connection's sink, the second being the connection's + source. There're a few pre-designed board connectors: + * Line Out Jack + * Line In Jack + * Headphone Jack + * Mic Jack + * Ext Spk + * AMIC (stands for Analog Microphone Jack) + * DMIC (stands for Digital Microphone Jack) + + Note: The "Mic Jack" and "AMIC" are redundant while + coexsiting in order to support the old bindings + of wm8962 and sgtl5000. + +Optional properties: + + - audio-asrc : The phandle of ASRC. It can be absent if there's no + need to add ASRC support via DPCM. + +Example: +sound-cs42888 { + compatible = "fsl,imx-audio-cs42888"; + model = "cs42888-audio"; + audio-cpu = <&esai>; + audio-asrc = <&asrc>; + audio-codec = <&cs42888>; + audio-routing = + "Line Out Jack", "AOUT1L", + "Line Out Jack", "AOUT1R", + "Line Out Jack", "AOUT2L", + "Line Out Jack", "AOUT2R", + "Line Out Jack", "AOUT3L", + "Line Out Jack", "AOUT3R", + "Line Out Jack", "AOUT4L", + "Line Out Jack", "AOUT4R", + "AIN1L", "Line In Jack", + "AIN1R", "Line In Jack", + "AIN2L", "Line In Jack", + "AIN2R", "Line In Jack"; +}; diff --git a/Documentation/devicetree/bindings/sound/fsl-sai.txt b/Documentation/devicetree/bindings/sound/fsl-sai.txt index dc9f9c35626..06a405e7f3e 100644 --- a/Documentation/devicetree/bindings/sound/fsl-sai.txt +++ b/Documentation/devicetree/bindings/sound/fsl-sai.txt @@ -18,9 +18,8 @@ Required properties: - pinctrl-names: Must contain a "default" entry. - pinctrl-NNN: One property must exist for each entry in pinctrl-names. See ../pinctrl/pinctrl-bindings.txt for details of the property values. -- big-endian-regs: If this property is absent, the little endian mode will - be in use as default, or the big endian mode will be in use for all the - device registers. +- big-endian: Boolean property, required if all the FTM_PWM registers + are big-endian rather than little-endian. - big-endian-data: If this property is absent, the little endian mode will be in use as default, or the big endian mode will be in use for all the fifo data. @@ -53,6 +52,6 @@ sai2: sai@40031000 { dma-names = "tx", "rx"; dmas = <&edma0 0 VF610_EDMA_MUXID0_SAI2_TX>, <&edma0 0 VF610_EDMA_MUXID0_SAI2_RX>; - big-endian-regs; + big-endian; big-endian-data; }; diff --git a/Documentation/devicetree/bindings/sound/imx-audio-es8328.txt b/Documentation/devicetree/bindings/sound/imx-audio-es8328.txt new file mode 100644 index 00000000000..07b68ab206f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-audio-es8328.txt @@ -0,0 +1,60 @@ +Freescale i.MX audio complex with ES8328 codec + +Required properties: +- compatible : "fsl,imx-audio-es8328" +- model : The user-visible name of this sound complex +- ssi-controller : The phandle of the i.MX SSI controller +- jack-gpio : Optional GPIO for headphone jack +- audio-amp-supply : Power regulator for speaker amps +- audio-codec : The phandle of the ES8328 audio codec +- audio-routing : A list of the connections between audio components. + Each entry is a pair of strings, the first being the + connection's sink, the second being the connection's + source. Valid names could be power supplies, ES8328 + pins, and the jacks on the board: + + Power supplies: + * audio-amp + + ES8328 pins: + * LOUT1 + * LOUT2 + * ROUT1 + * ROUT2 + * LINPUT1 + * LINPUT2 + * RINPUT1 + * RINPUT2 + * Mic PGA + + Board connectors: + * Headphone + * Speaker + * Mic Jack +- mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) +- mux-ext-port : The external port of the i.MX audio muxer (AUDMIX) + +Note: The AUDMUX port numbering should start at 1, which is consistent with +hardware manual. + +Example: + +sound { + compatible = "fsl,imx-audio-es8328"; + model = "imx-audio-es8328"; + ssi-controller = <&ssi1>; + audio-codec = <&codec>; + jack-gpio = <&gpio5 15 0>; + audio-amp-supply = <®_audio_amp>; + audio-routing = + "Speaker", "LOUT2", + "Speaker", "ROUT2", + "Speaker", "audio-amp", + "Headphone", "ROUT1", + "Headphone", "LOUT1", + "LINPUT1", "Mic Jack", + "RINPUT1", "Mic Jack", + "Mic Jack", "Mic Bias"; + mux-int-port = <1>; + mux-ext-port = <3>; +}; |