[PATCH v3] spi: mediatek: Add bindings for mediatek MT7629 soc platform

This patch adds a DT binding documentation for the MT7629 soc. Signed-off-by: Leilk Liu --- v3: remove cover-letter. v2: remove "mediatek,mt7629-spi" compatible according Matthias's advice. v1: This series are based on 4.20-rc1 and provide two patches to support mt7629 IC. ---

[PATCH v3] spi: mediatek: Add bindings for mediatek MT7629 soc platform

This patch adds a DT binding documentation for the MT7629 soc. Signed-off-by: Leilk Liu --- v3: remove cover-letter. v2: remove "mediatek,mt7629-spi" compatible according Matthias's advice. v1: This series are based on 4.20-rc1 and provide two patches to support mt7629 IC. ---