QUP_CONFIG
writel(qup_config, qup->base + QUP_CONFIG);
writel(I2C_MINI_CORE | I2C_N_VAL, qup->base + QUP_CONFIG);
writel(qup_config, qup->base + QUP_CONFIG);
writel(I2C_MINI_CORE | I2C_N_VAL_V2, qup->base + QUP_CONFIG);
config = readl(qup->base + QUP_CONFIG);
writel(config, qup->base + QUP_CONFIG);
config = readl(controller->base + QUP_CONFIG);
writel_relaxed(config, controller->base + QUP_CONFIG);
config = readl_relaxed(controller->base + QUP_CONFIG);
writel_relaxed(config, controller->base + QUP_CONFIG);
config = readl_relaxed(controller->base + QUP_CONFIG);
writel_relaxed(config, controller->base + QUP_CONFIG);