On Thu, Mar 31, 2016 at 04:36:03PM +0300, Jyri Sarha wrote: > Register ASoC HDMI codec for audio functionality and adds device tree > binding for audio configuration. > > With the registered HDMI codec the tda998x node can be used like a > regular codec node in ASoC card configurations. HDMI audio info-frame > and audio stream header is generated by the ASoC HDMI codec. The codec > also applies constraints for available sample-rates based on Edid Like > Data from the display. The device tree binding document has been > updated [1]. > > Part of this patch has been inspired by Jean Francoise's "drm/i2c: tda998x: > Add support of a DT graph of ports"-patch [2]. There may still be some > identical lines left from the original patch and some of the ideas > have come from there. > > [1] Documentation/devicetree/bindings/display/bridge/tda998x.txt > [2] http://mailman.alsa-project.org/pipermail/alsa-devel/2015-July/095255.html > > Signed-off-by: Jyri Sarha <jsarha@xxxxxx> > --- > .../devicetree/bindings/display/bridge/tda998x.txt | 18 ++ > drivers/gpu/drm/i2c/Kconfig | 1 + > drivers/gpu/drm/i2c/tda998x_drv.c | 198 ++++++++++++++++++++- > include/drm/i2c/tda998x.h | 4 +- > include/dt-bindings/display/tda998x.h | 7 + > 5 files changed, 223 insertions(+), 5 deletions(-) > create mode 100644 include/dt-bindings/display/tda998x.h > > diff --git a/Documentation/devicetree/bindings/display/bridge/tda998x.txt b/Documentation/devicetree/bindings/display/bridge/tda998x.txt > index e178e6b..24cc246 100644 > --- a/Documentation/devicetree/bindings/display/bridge/tda998x.txt > +++ b/Documentation/devicetree/bindings/display/bridge/tda998x.txt > @@ -21,8 +21,19 @@ Optional properties: > - video-ports: 24 bits value which defines how the video controller > output is wired to the TDA998x input - default: <0x230145> > > + - audio-ports: array of 8-bit values, 2 values per one DAI[1]. This should have nxp prefix. With that, Acked-by: Rob Herring <robh@xxxxxxxxxx> > + The first value defines the DAI type: TDA998x_SPDIF or TDA998x_I2S[2]. > + The second value defines the tda998x AP_ENA reg content when the DAI > + in question is used. The implementation allows one or two DAIs. If two > + DAIs are defined, they must be of different type. > + > +[1] Documentation/sound/alsa/soc/DAI.txt > +[2] include/dt-bindings/display/tda998x.h > + > Example: > > +#include <dt-bindings/display/tda998x.h> > + > tda998x: hdmi-encoder { > compatible = "nxp,tda998x"; > reg = <0x70>; > @@ -30,4 +41,11 @@ Example: > interrupts = <27 2>; /* falling edge */ > pinctrl-0 = <&pmx_camera>; > pinctrl-names = "default"; > + video-ports = <0x230145>; > + > + #sound-dai-cells = <2>; > + /* DAI-format AP_ENA reg value */ > + audio-ports = < TDA998x_SPDIF 0x04 > + TDA998x_I2S 0x03>; > + > }; -- 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
