PHY_TESTCLK
dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLK | PHY_TESTCLR);
dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLK | PHY_UNTESTCLR);
dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLK | PHY_UNTESTCLR);
dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLK | PHY_UNTESTCLR);
dsi_reg_up(ctx, PHY_TST_CTRL0, PHY_TESTCLK, PHY_TESTCLK);
dsi_reg_up(ctx, PHY_TST_CTRL0, PHY_TESTCLK, 0);
dsi_reg_up(ctx, PHY_TST_CTRL0, PHY_TESTCLK, PHY_TESTCLK);
dsi_reg_up(ctx, PHY_TST_CTRL0, PHY_TESTCLK, 0);
dsi_reg_up(ctx, PHY_TST_CTRL0, PHY_TESTCLK, PHY_TESTCLK);
dsi_reg_up(ctx, PHY_TST_CTRL0, PHY_TESTCLK, 0);
writel(PHY_TESTCLK, csi2->base + CSI2_PHY_TST_CTRL0);
writel(PHY_TESTCLK, csi2->base + CSI2_PHY_TST_CTRL0);