ASoC: samsung: fsd: audio support for FSD SoC

Merge series from Padmanabhan Rajanbabu <p.rajanbabu@samsung.com>:

This patch series enables audio support on FSD SoC.

Changes in v4:
1. Rebased and addressed review comments provided for v3.

Changes in v3:
1. Addressed all the review comments provided for v2 patch.
2. Fixed compilation warnings reported by kernel test robot.

Changes in v2:
1. New compatible added in Exynos I2S driver for FSD platform.
2. Added Fixup support for Exynos I2S CPU DAI.
3. Migration of manual PSR, OPCLK configuration to Exynos CPU DAI driver as
fixup.
4. Migrated from dedicated sound card to simple audio card.
5. Support added for tlv320aic3x-i2c codec on FSD platform.

Changes in v1:
1. Add TDM support on samsung I2S interface.
2. Allow sound card to directly configure I2S prescaler divider instead of
calculating it from frame clock.
3. The sound card support for FSD SoC which utilizes samsung I2S interface
as CPU DAI.

Padmanabhan Rajanbabu (5):
  ASoC: dt-bindings: Add FSD I2S controller bindings
  ASoC: samsung: i2s: add support for FSD I2S
  arm64: dts: fsd: Add I2S DAI node for Tesla FSD
  arm64: dts: fsd: Add codec node for Tesla FSD
  arm64: dts: fsd: Add sound card node for Tesla FSD

 .../bindings/sound/samsung-i2s.yaml           |  8 +++
 arch/arm64/boot/dts/tesla/fsd-evb.dts         | 53 +++++++++++++++++++
 arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi    | 14 +++++
 arch/arm64/boot/dts/tesla/fsd.dtsi            | 34 ++++++++++++
 sound/soc/samsung/i2s-regs.h                  |  1 +
 sound/soc/samsung/i2s.c                       | 53 +++++++++++++++++++
 6 files changed, 163 insertions(+)

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2.17.1