SD_CLK2_RX_CLK_PHASE
clk2 &= ~SD_CLK2_RX_CLK_PHASE;
SD_CLK2_RX_CLK_PHASE);
__SHIFTIN(ph, SD_CLK2_RX_CLK_PHASE), SD_CLK2_RX_CLK_PHASE);
__SHIFTIN(rx_phase, SD_CLK2_RX_CLK_PHASE), SD_CLK2_RX_CLK_PHASE);