05_Pincontroller构造过程情景分析_基于IMX6ULL

git clone https://e.coding.net/weidongshan/linux/doc_and_source_for_drivers.git

drivers\pinctrl\freescale\pinctrl-imx6ul.c
drivers\pinctrl\freescale\pinctrl-imx.c

imx6ul_pinctrl_probe
    imx_pinctrl_probe(pdev, pinctrl_info);
        imx_pinctrl_desc->name = dev_name(&pdev->dev);
        imx_pinctrl_desc->pins = info->pins;
        imx_pinctrl_desc->npins = info->npins;
        imx_pinctrl_desc->pctlops = &imx_pctrl_ops;
        imx_pinctrl_desc->pmxops = &imx_pmx_ops;
        imx_pinctrl_desc->confops = &imx_pinconf_ops;
        imx_pinctrl_desc->owner = THIS_MODULE;
		
		ret = imx_pinctrl_probe_dt(pdev, info);

        ipctl->pctl = devm_pinctrl_register(&pdev->dev,
                            imx_pinctrl_desc, ipctl);

	imx_pinctrl_desc->pins = info->pins;
	imx_pinctrl_desc->npins = info->npins;

/sys/kernel/debug/pinctrl/20e0000.iomuxc]# cat pins

static const struct pinctrl_ops imx_pctrl_ops = {
	.get_groups_count = imx_get_groups_count,
	.get_group_name = imx_get_group_name,
	.get_group_pins = imx_get_group_pins,
	.pin_dbg_show = imx_pin_dbg_show,
	.dt_node_to_map = imx_dt_node_to_map,
	.dt_free_map = imx_dt_free_map,

};

[root@100ask:/sys/kernel/debug/pinctrl/20e0000.iomuxc]# cat pingroups