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ramips: add audio support for Vocore2 #1446

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drvlabo commented Oct 7, 2018

Vocore2's ultimate dock has ES8388 I2S codec.
This modifications supports ES8388 codec audio with es8328 driver and ASoC simple card by DT bindings.

This also includes the modifications of pinctrl-ralink driver, to use 'gpio' group PINMUX as 'refclk' function.

drvlabo added some commits Oct 7, 2018

pinctrl-ralink: support the functions which belong multiple groups
For example, 'refclk' function belongs with some groups (refclk, gpio, etc).
Applying this patch, we can configure 'gpio' group as 'refclk' function.
allows to use ES8328 codec driver without clk bindings.
When assuming that the main clock to CODEC is always enable, we want to omit clk bindings.

@mkresin mkresin added the ramips label Oct 7, 2018

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