dw_csi2_host_read
host_ver = dw_csi2_host_read(dphy, DPHY_VERSION);
u32 ctrl0 = dw_csi2_host_read(dphy, DPHY_PHY_TST_CTRL0);
u32 ctrl0 = dw_csi2_host_read(dphy, DPHY_PHY_TST_CTRL0);
u32 ctrl1 = dw_csi2_host_read(dphy, DPHY_PHY_TST_CTRL1);
u32 ctrl1 = dw_csi2_host_read(dphy, DPHY_PHY_TST_CTRL1);
u32 ctrl1 = dw_csi2_host_read(dphy, DPHY_PHY_TST_CTRL1);