22 #include <linux/regmap.h>
34 	struct regmap *regmap;  member
49 	struct regmap *regmap;  in of_syscon_register()  local
116 	regmap = regmap_init_mmio(NULL, base, &syscon_config);  in of_syscon_register()
118 	if (IS_ERR(regmap)) {  in of_syscon_register()
119 		pr_err("regmap init failed\n");  in of_syscon_register()
120 		ret = PTR_ERR(regmap);  in of_syscon_register()
132 			ret = regmap_mmio_attach_clk(regmap, clk);  in of_syscon_register()
148 	syscon->regmap = regmap;  in of_syscon_register()
163 	regmap_exit(regmap);  in of_syscon_register()
171 static struct regmap *device_node_get_regmap(struct device_node *np,  in device_node_get_regmap()
192 	return syscon->regmap;  in device_node_get_regmap()
195 struct regmap *device_node_to_regmap(struct device_node *np)  in device_node_to_regmap()
201 struct regmap *syscon_node_to_regmap(struct device_node *np)  in syscon_node_to_regmap()
210 struct regmap *syscon_regmap_lookup_by_compatible(const char *s)  in syscon_regmap_lookup_by_compatible()
213 	struct regmap *regmap;  in syscon_regmap_lookup_by_compatible()  local
219 	regmap = syscon_node_to_regmap(syscon_np);  in syscon_regmap_lookup_by_compatible()
222 	return regmap;  in syscon_regmap_lookup_by_compatible()
226 struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,  in syscon_regmap_lookup_by_phandle()
230 	struct regmap *regmap;  in syscon_regmap_lookup_by_phandle()  local
240 	regmap = syscon_node_to_regmap(syscon_np);  in syscon_regmap_lookup_by_phandle()
243 	return regmap;  in syscon_regmap_lookup_by_phandle()
247 struct regmap *syscon_regmap_lookup_by_phandle_args(struct device_node *np,  in syscon_regmap_lookup_by_phandle_args()
254 	struct regmap *regmap;  in syscon_regmap_lookup_by_phandle_args()  local
267 	regmap = syscon_node_to_regmap(syscon_np);  in syscon_regmap_lookup_by_phandle_args()
272 	return regmap;  in syscon_regmap_lookup_by_phandle_args()
278  * there is no regmap phandle. In this case, instead of returning -ENODEV,
281 struct regmap *syscon_regmap_lookup_by_phandle_optional(struct device_node *np,  in syscon_regmap_lookup_by_phandle_optional()
284 	struct regmap *regmap;  in syscon_regmap_lookup_by_phandle_optional()  local
286 	regmap = syscon_regmap_lookup_by_phandle(np, property);  in syscon_regmap_lookup_by_phandle_optional()
287 	if (IS_ERR(regmap) && PTR_ERR(regmap) == -ENODEV)  in syscon_regmap_lookup_by_phandle_optional()
290 	return regmap;  in syscon_regmap_lookup_by_phandle_optional()
318 	syscon->regmap = devm_regmap_init_mmio(dev, base, &syscon_config);  in syscon_probe()
319 	if (IS_ERR(syscon->regmap)) {  in syscon_probe()
320 		dev_err(dev, "regmap init failed\n");  in syscon_probe()
321 		return PTR_ERR(syscon->regmap);  in syscon_probe()
326 	dev_dbg(dev, "regmap %pR registered\n", res);  in syscon_probe()