This patch set depend on the patch:
{
https://patchwork.ozlabs.org/patch/545926/LS1021a also support Freescale Quad SPI controller. Add fsl-quadspi support for ls1021a chip and make SPI_FSL_QUADSPI selectable for LS1021A SOC hardwares. } There is a N25Q128 flash on LS1021ATWR. This patch test on this flash on LS1021ATWR board.

