stm32_csi_phy_reg_write
stm32_csi_phy_reg_write(csidev, 0x08, 0x38);
stm32_csi_phy_reg_write(csidev, 0xe4, 0x11);
stm32_csi_phy_reg_write(csidev, 0xe2, phy_regs->osc_freq_target & 0xFF);
stm32_csi_phy_reg_write(csidev, 0xe3, (phy_regs->osc_freq_target >> 8) & 0x0F);