SP7021_PWM_MODE0
mode0 = readl(priv->base + SP7021_PWM_MODE0);
writel(mode0, priv->base + SP7021_PWM_MODE0);
mode0 = readl(priv->base + SP7021_PWM_MODE0);
mode0 = readl(priv->base + SP7021_PWM_MODE0);
writel(mode0, priv->base + SP7021_PWM_MODE0);