linux-kernel - [PATCH v2 0/3] ASoC: meson: g12a: add internal audio DAC support

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Date:   Fri, 21 Feb 2020 16:36:04 +0100
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        Kevin Hilman <khilman@...libre.com>
Subject: [PATCH v2 0/3] ASoC: meson: g12a: add internal audio DAC support

Like the gxl, the Amlogic g12a and sm1 SoC families have a t9015 internal
audio DAC. On these more recent SoCs, any of the 3 TDM outputs can be
routed to the internal DAC. This routing is done by a small glue device
called 'toacodec'. This patchset adds support for it.

This was tested on the amlogic reference design g12a-u200.

Changes since v1 [0]:
 * Fixup patch 2 which was left in an intermediate state
   after rebasing, missing part of the changes.
   Thanks to Sergey Bolshakov for reporting it.

[0]: https://lore.kernel.org/r/20200221122242.1500093-1-jbrunet@baylibre.com

Jerome Brunet (3):
  ASoC: meson: g12a: add toacodec dt-binding documentation
  ASoC: meson: g12a: add internal DAC glue driver
  ASoC: meson: axg-card: add toacodec support

 .../bindings/sound/amlogic,g12a-toacodec.yaml |  51 ++++
 .../dt-bindings/sound/meson-g12a-toacodec.h   |  10 +
 sound/soc/meson/Kconfig                       |   9 +
 sound/soc/meson/Makefile                      |   2 +
 sound/soc/meson/axg-card.c                    |   3 +-
 sound/soc/meson/g12a-toacodec.c               | 252 ++++++++++++++++++
 6 files changed, 326 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/sound/amlogic,g12a-toacodec.yaml
 create mode 100644 include/dt-bindings/sound/meson-g12a-toacodec.h
 create mode 100644 sound/soc/meson/g12a-toacodec.c

-- 
2.24.1