ASoC: tohdmitx bindings

The patch on this branch adds bindings for tohdmitx, including a header
 to be used in DT bindings which needs to be shared with the arm-soc tree
 in order to allow system DTs to be merged.
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Merge tag 'asoc-tohdmitx' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into HEAD

ASoC: tohdmitx bindings

The patch on this branch adds bindings for tohdmitx, including a header
to be used in DT bindings which needs to be shared with the arm-soc tree
in order to allow system DTs to be merged.

# gpg: Signature made Fri 14 Jun 2019 11:43:33 AM PDT
# gpg:                using RSA key ADE668AA675718B59FE29FEA24D68B725D5487D0
# gpg:                issuer "broonie@kernel.org"
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>" [full]
# gpg:                 aka "Mark Brown <broonie@debian.org>" [full]
# gpg:                 aka "Mark Brown <broonie@kernel.org>" [full]
# gpg:                 aka "Mark Brown <broonie@tardis.ed.ac.uk>" [full]
# gpg:                 aka "Mark Brown <broonie@linaro.org>" [unknown]
# gpg:                 aka "Mark Brown <Mark.Brown@linaro.org>" [unknown]

* tag 'asoc-tohdmitx' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound:
  ASoC: meson: add tohdmitx DT bindings
This commit is contained in:
Kevin Hilman 2019-06-14 15:55:25 -07:00
commit b39978086a
2 changed files with 68 additions and 0 deletions

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* Amlogic HDMI Tx control glue
Required properties:
- compatible: "amlogic,g12a-tohdmitx"
- reg: physical base address of the controller and length of memory
mapped region.
- #sound-dai-cells: should be 1.
Example on the S905X2 SoC:
tohdmitx: audio-controller@744 {
compatible = "amlogic,g12a-tohdmitx";
reg = <0x0 0x744 0x0 0x4>;
#sound-dai-cells = <1>;
};
Example of an 'amlogic,axg-sound-card':
sound {
compatible = "amlogic,axg-sound-card";
[...]
dai-link-x {
sound-dai = <&tdmif_a>;
dai-format = "i2s";
dai-tdm-slot-tx-mask-0 = <1 1>;
codec-0 {
sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
};
codec-1 {
sound-dai = <&external_dac>;
};
};
dai-link-y {
sound-dai = <&tdmif_c>;
dai-format = "i2s";
dai-tdm-slot-tx-mask-0 = <1 1>;
codec {
sound-dai = <&tohdmitx TOHDMITX_I2S_IN_C>;
};
};
dai-link-z {
sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
codec {
sound-dai = <&hdmi_tx>;
};
};
};

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DT_MESON_G12A_TOHDMITX_H
#define __DT_MESON_G12A_TOHDMITX_H
#define TOHDMITX_I2S_IN_A 0
#define TOHDMITX_I2S_IN_B 1
#define TOHDMITX_I2S_IN_C 2
#define TOHDMITX_I2S_OUT 3
#define TOHDMITX_SPDIF_IN_A 4
#define TOHDMITX_SPDIF_IN_B 5
#define TOHDMITX_SPDIF_OUT 6
#endif /* __DT_MESON_G12A_TOHDMITX_H */