Update LPSS DMA init interface which is common and
independent of parent-node.
Signed-off-by: Anisetti Avinash Krishna <anisetti.avinash.krishna@intel.com>
Enhance LPSS DMA to support UART and I2C DMA transfer by
enabling init priority of DMA based on dependency on
parent device.
Signed-off-by: Anisetti Avinash Krishna <anisetti.avinash.krishna@intel.com>
Added usage of dma_parent phandle instead of using parent-child
method to get DMA base address.
Signed-off-by: Anisetti Avinash Krishna <anisetti.avinash.krishna@intel.com>
Added intel LPSS DMA interface using dw common to support
usage of internal DMA in LPSS UART, SPI and I2C for
transfer and receive operations.
Signed-off-by: Anisetti Avinash Krishna <anisetti.avinash.krishna@intel.com>