数据结构设计

struct aic_tsen_dev {
    struct attribute_group attrs;
    void __iomem *regs;
    struct platform_device *pdev;
    struct clk *clk;
    struct reset_control *rst;
    u32 pclk_rate;
    u32 irq;
    u32 ch_num;

    struct aic_tsen_ch chan[AIC_TSEN_MAX_CH];
};