A37X0_SPI_CLK_POL
reg &= ~(A37X0_SPI_CLK_PHASE | A37X0_SPI_CLK_POL);
reg &= ~A37X0_SPI_CLK_POL;
reg |= A37X0_SPI_CLK_POL;
reg |= (A37X0_SPI_CLK_PHASE | A37X0_SPI_CLK_POL);