Introduce the new compatible string, restricted-dma-pool, for restricted
DMA. One can specify the address and length of the restricted DMA memory
region by restricted-dma-pool in the reserved-memory node.
Signed-off-by: NClaire Chang <tientzu@chromium.org>
Tested-by: NStefano Stabellini <sstabellini@kernel.org>
Tested-by: NWill Deacon <will@kernel.org>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>