2  *  SYSCON GPIO driver
19 #include <linux/mfd/syscon.h>
25 /* SYSCON driver is designed to use 32-bit wide registers */
31  * compatible:		SYSCON driver compatible string.
56 	struct regmap			*syscon;  member
70 	ret = regmap_read(priv->syscon,  in syscon_gpio_get()
85 	regmap_update_bits(priv->syscon,  in syscon_gpio_set()
101 		regmap_update_bits(priv->syscon,  in syscon_gpio_dir_in()
119 		regmap_update_bits(priv->syscon,  in syscon_gpio_dir_out()
150 	ret = regmap_write(priv->syscon,  in rockchip_gpio_set()
179 			priv->syscon,  in keystone_gpio_set()
227 		priv->syscon = syscon_regmap_lookup_by_compatible(  in syscon_gpio_probe()
229 		if (IS_ERR(priv->syscon))  in syscon_gpio_probe()
230 			return PTR_ERR(priv->syscon);  in syscon_gpio_probe()
232 		priv->syscon =  in syscon_gpio_probe()
233 			syscon_regmap_lookup_by_phandle(np, "gpio,syscon-dev");  in syscon_gpio_probe()
234 		if (IS_ERR(priv->syscon) && np->parent)  in syscon_gpio_probe()
235 			priv->syscon = syscon_node_to_regmap(np->parent);  in syscon_gpio_probe()
236 		if (IS_ERR(priv->syscon))  in syscon_gpio_probe()
237 			return PTR_ERR(priv->syscon);  in syscon_gpio_probe()
239 		ret = of_property_read_u32_index(np, "gpio,syscon-dev", 1,  in syscon_gpio_probe()
246 		ret = of_property_read_u32_index(np, "gpio,syscon-dev", 2,  in syscon_gpio_probe()
274 		.name		= "gpio-syscon",
282 MODULE_DESCRIPTION("SYSCON GPIO driver");