[alsa-devel] [PATCH 0/2] ASoC: Add driver for CX2072X CODEC
From: Simon Ho simon.ho@conexant.com
Re-send the patch because my previous email was sent by a non-member email account and are being held. So please disregard my previous email if you saw it. Sorry if I caused any trouble.
This patch adds support for Conexant CX2072X codec driver.
The CX2072X is a ultra low power stereo audio codec supports I2S/TDM host interface with EQ, DRC features in playback mode.
Featues of CX2072X codec:
* Two 24 bits DACs and DACs. * Stereo Headphone AMP. * 2.8W per channel class-D output. * Integrated seven bands per channel EQ and DRC. * Fully integrated headset support with detect/switch. * Stereo digital microphone for array applications. * S/PDIF output. * Bi-directional GPIOs. * Support analog and digital PC Beeep. * One headset button support. * Supports a wide variety of host interfaces. -wide variety of I2S and similar bit-stream formats with word lengths of up to 24 bits. -TDM stream supports up to 4 channels. * AEC loopback support.
Simon Ho (2): ASoC: cx2072x: Add DT bingings documentation for CX2072X CODEC ASoC: cx2072x Add driver for CX2072X CODEC
.../devicetree/bindings/sound/cx2072x.txt | 36 + sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/cx2072x.c | 2080 ++++++++++++++++++++ sound/soc/codecs/cx2072x.h | 322 +++ 5 files changed, 2445 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cx2072x.txt create mode 100644 sound/soc/codecs/cx2072x.c create mode 100644 sound/soc/codecs/cx2072x.h
From: Simon Ho simon.ho@conexant.com
Initial version of CX2072X device tree bindings document.
Signed-off-by: Simon Ho simon.ho@conexant.com --- .../devicetree/bindings/sound/cx2072x.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cx2072x.txt
diff --git a/Documentation/devicetree/bindings/sound/cx2072x.txt b/Documentation/devicetree/bindings/sound/cx2072x.txt new file mode 100644 index 0000000..05ddf7c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cx2072x.txt @@ -0,0 +1,36 @@ +Conexant CX20721/CX20723/CX7601 audio CODEC + +The devices support I2C only. + +Required properties: + + - compatible : One of "cnxt,cx20721", "cnxt,cx20723", "cnxt,cx7601". + + - reg : the I2C address of the device for I2C, it should be <0x33> + +Optional properties: + + - clocks : phandle and clock specifier for codec MCLK. + - clock-names : Clock name string for 'clocks' attribute, should be "mclk". + +CODEC output pins: + "PORTA" - Headphone + "PORTG" - Class-D output + "PORTE" - Line out + +CODEC output pins for Conexant DSP chip: + "AEC REF" - AEC reference signal + +CODEC input pins: + "PORTB" - Analog mic + "PORTC" - Digital mic + "PORTD" - Headset mic + +Example: + +codec: cx20721@33 { + compatible = "cnxt,cx20721"; + reg = <0x33>; + clocks = <&sco>; + clock-names = "mclk"; +};
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simon.ho.cnxt＠gmail.com