PCGCCTL1
gr->pcgcctl1 = dwc2_readl(hsotg, PCGCCTL1);
u32 pcgcctl1 = dwc2_readl(hsotg, PCGCCTL1);
dwc2_writel(hsotg, pcgcctl1, PCGCCTL1);
dwc2_writel(hsotg, gr->pcgcctl1, PCGCCTL1);