PHY_TESTEN
dsi_write(dsi, DSI_PHY_TST_CTRL1, PHY_TESTEN | PHY_TESTDOUT(0) |
dsi_reg_up(ctx, PHY_TST_CTRL1, PHY_TESTEN, PHY_TESTEN);
dsi_reg_up(ctx, PHY_TST_CTRL1, PHY_TESTEN, 0);
dsi_reg_up(ctx, PHY_TST_CTRL1, PHY_TESTEN, PHY_TESTEN);
dsi_reg_up(ctx, PHY_TST_CTRL1, PHY_TESTEN, 0);
writel(PHY_TESTEN | test_code, csi2->base + CSI2_PHY_TST_CTRL1);