CSI_REG_HUB_GPREG_PHY_CTL
val = readl(isys_base + CSI_REG_HUB_GPREG_PHY_CTL(id));
writel(val, isys_base + CSI_REG_HUB_GPREG_PHY_CTL(id));
writel(0, isys_base + CSI_REG_HUB_GPREG_PHY_CTL(id));
val = readl(isys_base + CSI_REG_HUB_GPREG_PHY_CTL(id));
writel(val, isys_base + CSI_REG_HUB_GPREG_PHY_CTL(id));