Ok, here is just one more simple alternative for tda998x audio binding.
I feel that the graph ports binding for audio does not make sense
without a graph based ASoC machine driver implementation. The ASoC
simple-card is already here and it so widely used that there is no
getting rid of that any time soon. This proposal provides the same
functionality as the patch in the root of this thread, but in a simpler
way and is equally compatible with simple-card.
The example assumes a dt-include file with integer definitions for
TDA998x_SPDIF and TDA998x_I2S.
tda19988 {
compatible = "nxp,tda998x";
reg = <0x70>;
pinctrl-names = "default", "off";
pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
video-ports = <0x230145>;
/* Required by simple-card. The number of sound-dai
cells must agree with the number of audio ports
described in audio-ports property. */
#sound-dai-cells = <2>;
/* DAI-format AP_ENA reg value */
audio-ports = < TDA998x_SPDIF 0x04
TDA998x_I2S 0x03>;
port {
hdmi_0: endpoint@0 {
remote-endpoint = <&lcdc_0>;
};
};
};
Russell, Rob? Which one would you prefer, the old graph ports binding or
this simpler version?
Best regards,
Jyri
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