pinctrl/berlin/berlin.c

37 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
39 	return pctrl->desc->ngroups;
45 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
47 	return pctrl->desc->groups[group].name;
55 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
66 		dev_err(pctrl->dev,
73 		dev_err(pctrl->dev,
81 		dev_err(pctrl->dev, "can't reserve map: %d\n", ret);
90 			dev_err(pctrl->dev, "can't add map: %d\n", ret);
107 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
109 	return pctrl->nfunctions;
115 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
117 	return pctrl->functions[function].name;
125 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
127 	*groups = pctrl->functions[function].groups;
128 	*num_groups = pctrl->functions[function].ngroups;
134 berlin_pinctrl_find_function_by_name(struct berlin_pinctrl *pctrl,
154 	struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
155 	const struct berlin_desc_group *group_desc = pctrl->desc->groups + group;
156 	struct berlin_pinctrl_function *func = pctrl->functions + function;
158 		berlin_pinctrl_find_function_by_name(pctrl, group_desc,
168 	regmap_update_bits(pctrl->regmap, group_desc->offset, mask, val);
180 static int berlin_pinctrl_add_function(struct berlin_pinctrl *pctrl,
183 	struct berlin_pinctrl_function *function = pctrl->functions;
196 	pctrl->nfunctions++;
203 	struct berlin_pinctrl *pctrl = platform_get_drvdata(pdev);
208 	pctrl->nfunctions = 0;
210 	for (i = 0; i < pctrl->desc->ngroups; i++) {
211 		desc_group = pctrl->desc->groups + i;
217 	pctrl->functions = kcalloc(max_functions,
218 				   sizeof(*pctrl->functions), GFP_KERNEL);
219 	if (!pctrl->functions)
223 	for (i = 0; i < pctrl->desc->ngroups; i++) {
224 		desc_group = pctrl->desc->groups + i;
228 			berlin_pinctrl_add_function(pctrl, desc_function->name);
233 	pctrl->functions = krealloc(pctrl->functions,
234 				    pctrl->nfunctions * sizeof(*pctrl->functions),
236 	if (!pctrl->functions)
240 	for (i = 0; i < pctrl->desc->ngroups; i++) {
241 		desc_group = pctrl->desc->groups + i;
246 				*function = pctrl->functions;
259 				kfree(pctrl->functions);
271 					kfree(pctrl->functions);
301 	struct berlin_pinctrl *pctrl;
304 	pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL);
305 	if (!pctrl)
308 	platform_set_drvdata(pdev, pctrl);
310 	pctrl->regmap = regmap;
311 	pctrl->dev = &pdev->dev;
312 	pctrl->desc = desc;
320 	pctrl->pctrl_dev = devm_pinctrl_register(dev, &berlin_pctrl_desc,
321 						 pctrl);
322 	if (IS_ERR(pctrl->pctrl_dev)) {
324 		return PTR_ERR(pctrl->pctrl_dev);