This patchset adds support for the Everest Semi ES8328 audio codec. It also
adds support for using the es8328 on IMX boards.
We write a machine driver rather than using simple-card because the machine
driver needs to support regulators for the speaker amps and as well as
supporting headphone jacks, in addition to the i.MX audmux routing.
Changes since v6:
- Minor clarification of AUDMUX in imx-audio-es8328.txt
- Use u32 instead of int in imx-es8328.c for int-mux and ext-mux
- Bounds checking on mux-int-port and mux-ext-port in imx-es8328.c
- Remove NULL checks before calling of_node_put()
Changes since v5:
- Removed empty imx_set_frequency function from imx-es8328.c
- Move the clock from imx-audio-es8328 to the es8328 codec itself
- Add support for 2x (22.5792 MHz) and 1x (11.2896 MHz) source clocks
- Restore registers on resume
- Document pins for ES8328, including input pins
Changes since v4:
- Simplify clock handling and use assigned-clock-parents
- Move the codec regulator from the machine driver to the codec
- Specify all four regulators, and require their presence
- Fix audio recording, such that it enables the PGA
Changes since v3:
- Add OF bindings for everest,es8328
- Add back in patch to add everest as a vendor prefix
- Give clocks more generic names
- Document required clocks in DT bindings document
Changes since v2:
- Change deemph to a bool, and update based on sample rate
- Replace value enums with regular enums
- Break SPI and I2C drivers into their own modules
- Rename everest,es8328 to es8328 as the module wasn't getting detected.
Because of this, the patch to vendor-prefixes.txt has been dropped.
Changes since v1:
- Rename HP/Speaker to OUT1/OUT2
- Use DAPM widgets for startup/shutdown
- Add regulator support to machine driver
Sean Cross (3):
devicetree: bindings: Add Everest Semicodunctor
ASoC: add es8328 codec driver
ASoC: fsl: add imx-es8328 machine driver
Documentation/devicetree/bindings/sound/es8328.txt | 38 ++
.../devicetree/bindings/sound/imx-audio-es8328.txt | 61 ++
.../devicetree/bindings/vendor-prefixes.txt | 1 +
sound/soc/codecs/Kconfig | 13 +
sound/soc/codecs/Makefile | 6 +
sound/soc/codecs/es8328-i2c.c | 60 ++
sound/soc/codecs/es8328-spi.c | 49 ++
sound/soc/codecs/es8328.c | 719 +++++++++++++++++++++
sound/soc/codecs/es8328.h | 314 +++++++++
sound/soc/fsl/Kconfig | 14 +
sound/soc/fsl/Makefile | 2 +
sound/soc/fsl/imx-es8328.c | 233 +++++++
12 files changed, 1510 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/es8328.txt
create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-es8328.txt
create mode 100644 sound/soc/codecs/es8328-i2c.c
create mode 100644 sound/soc/codecs/es8328-spi.c
create mode 100644 sound/soc/codecs/es8328.c
create mode 100644 sound/soc/codecs/es8328.h
create mode 100644 sound/soc/fsl/imx-es8328.c
--
2.0.0
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