On Wed, Jan 31, 2018 at 03:20:09PM +0200, Cosmin-Gabriel Samoila wrote: > The AK4458 is a 32-bit 8ch Premium DAC that corresponds > to a 768kHz PCM input and an 11.2MHz DSD input at maximum. > It supports I2S, DSD and TDM modes with 24 or 32 bit MSB > or 16, 24, 32 LSB formats. Its datasheet is available here: > https://www.akm.com/akm/en/file/datasheet/AK4458VN.pdf > > Signed-off-by: Junichi Wakasugi <wakasugi.jb@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Mihai Serban <mihai.serban@xxxxxxx> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> > Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@xxxxxxx> > --- > Documentation/devicetree/bindings/sound/ak4458.txt | 23 + Separate patch please. > sound/soc/codecs/Kconfig | 18 + > sound/soc/codecs/Makefile | 6 + > sound/soc/codecs/ak4458-i2c.c | 79 ++ > sound/soc/codecs/ak4458-spi.c | 61 ++ > sound/soc/codecs/ak4458.c | 1132 ++++++++++++++++++++ > sound/soc/codecs/ak4458.h | 127 +++ > 7 files changed, 1446 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/ak4458.txt > create mode 100644 sound/soc/codecs/ak4458-i2c.c > create mode 100644 sound/soc/codecs/ak4458-spi.c > create mode 100644 sound/soc/codecs/ak4458.c > create mode 100644 sound/soc/codecs/ak4458.h > > diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt > new file mode 100644 > index 0000000..b9e6eb3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/ak4458.txt > @@ -0,0 +1,23 @@ > +AK4458 audio DAC > + > +This device supports both I2C and SPI modes. > + > +Required properties: > + > +- compatible : "asahi-kasei,ak4458" > +- reg : The I2C address of the device for I2C, the chip select number for SPI. > +- asahi-kasei,pdn-gpios: A GPIO specifier for the GPIO controlling > + the power down & reset pin. reset-gpios like the Asahi Kasei ADC under review. > +- asahi-kasei,mute-gpios: A GPIO specifier for the GPIO controlling > + the soft mute pin. State the active state. > + > +Example: > + > +&i2c { > + ak4458: ak4458@10 { dac@10 > + compatible = "asahi-kasei,ak4458"; > + reg = <0x10>; > + asahi-kasei,pdn-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH> > + asahi-kasei,mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH> > + }; > +}; -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
