24 #include <linux/regmap.h>
36 	struct regmap *regmap;  member
50 	struct regmap *regmap;  in of_syscon_register()  local
115 	regmap = regmap_init_mmio(NULL, base, &syscon_config);  in of_syscon_register()
117 	if (IS_ERR(regmap)) {  in of_syscon_register()
118 		pr_err("regmap init failed\n");  in of_syscon_register()
119 		ret = PTR_ERR(regmap);  in of_syscon_register()
131 			ret = regmap_mmio_attach_clk(regmap, clk);  in of_syscon_register()
147 	syscon->regmap = regmap;  in of_syscon_register()
160 	regmap_exit(regmap);  in of_syscon_register()
166 static struct regmap *device_node_get_regmap(struct device_node *np,  in device_node_get_regmap()
187 	return syscon->regmap;  in device_node_get_regmap()
191  * of_syscon_register_regmap() - Register regmap for specified device node
193  * @regmap: Pointer to regmap object
195  * Register an externally created regmap object with syscon for the specified
196  * device tree node. This regmap will then be returned to client drivers using
201 int of_syscon_register_regmap(struct device_node *np, struct regmap *regmap)  in of_syscon_register_regmap()  argument
206 	if (!np || !regmap)  in of_syscon_register_regmap()
222 	syscon->regmap = regmap;  in of_syscon_register_regmap()
225 	/* register the regmap in syscon list */  in of_syscon_register_regmap()
238 struct regmap *device_node_to_regmap(struct device_node *np)  in device_node_to_regmap()
244 struct regmap *syscon_node_to_regmap(struct device_node *np)  in syscon_node_to_regmap()
253 struct regmap *syscon_regmap_lookup_by_compatible(const char *s)  in syscon_regmap_lookup_by_compatible()
256 	struct regmap *regmap;  in syscon_regmap_lookup_by_compatible()  local
262 	regmap = syscon_node_to_regmap(syscon_np);  in syscon_regmap_lookup_by_compatible()
265 	return regmap;  in syscon_regmap_lookup_by_compatible()
269 struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,  in syscon_regmap_lookup_by_phandle()
273 	struct regmap *regmap;  in syscon_regmap_lookup_by_phandle()  local
283 	regmap = syscon_node_to_regmap(syscon_np);  in syscon_regmap_lookup_by_phandle()
288 	return regmap;  in syscon_regmap_lookup_by_phandle()
292 struct regmap *syscon_regmap_lookup_by_phandle_args(struct device_node *np,  in syscon_regmap_lookup_by_phandle_args()
299 	struct regmap *regmap;  in syscon_regmap_lookup_by_phandle_args()  local
312 	regmap = syscon_node_to_regmap(syscon_np);  in syscon_regmap_lookup_by_phandle_args()
317 	return regmap;  in syscon_regmap_lookup_by_phandle_args()
323  * there is no regmap phandle. In this case, instead of returning -ENODEV,
326 struct regmap *syscon_regmap_lookup_by_phandle_optional(struct device_node *np,  in syscon_regmap_lookup_by_phandle_optional()
329 	struct regmap *regmap;  in syscon_regmap_lookup_by_phandle_optional()  local
331 	regmap = syscon_regmap_lookup_by_phandle(np, property);  in syscon_regmap_lookup_by_phandle_optional()
332 	if (IS_ERR(regmap) && PTR_ERR(regmap) == -ENODEV)  in syscon_regmap_lookup_by_phandle_optional()
335 	return regmap;  in syscon_regmap_lookup_by_phandle_optional()
363 	syscon->regmap = devm_regmap_init_mmio(dev, base, &syscon_config);  in syscon_probe()
364 	if (IS_ERR(syscon->regmap)) {  in syscon_probe()
365 		dev_err(dev, "regmap init failed\n");  in syscon_probe()
366 		return PTR_ERR(syscon->regmap);  in syscon_probe()
371 	dev_dbg(dev, "regmap %pR registered\n", res);  in syscon_probe()