X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fsyscon.h;h=2e02199c051c4dc89ddade60be80999341b9d312;hb=92832045c54586e9dffa082ff8cd8c2ef6040757;hp=5d52b1cc3c3d0a7d86bd54cf32383641fe7966f7;hpb=c07f38208a73bbe3efaa939d6742096c1cb7e0ce;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/syscon.h b/include/syscon.h index 5d52b1c..2e02199 100644 --- a/include/syscon.h +++ b/include/syscon.h @@ -1,13 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (c) 2015 Google, Inc * Written by Simon Glass - * - * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __SYSCON_H #define __SYSCON_H +#include #include /** @@ -33,7 +33,7 @@ struct syscon_ops { * * Update: 64-bit is now supported and we have an education crisis. */ -struct syscon_base_platdata { +struct syscon_base_plat { fdt_val_t reg[2]; }; #endif @@ -74,6 +74,19 @@ int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp); struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data); /** + * syscon_regmap_lookup_by_phandle() - Look up a controller by a phandle + * + * This operates by looking up the given name in the device (device + * tree property) of the device using the system controller. + * + * @dev: Device using the system controller + * @name: Name of property referring to the system controller + * @return A pointer to the regmap if found, ERR_PTR(-ve) on error + */ +struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev, + const char *name); + +/** * syscon_get_first_range() - get the first memory range from a syscon regmap * * @driver_data: Driver data value to look up @@ -82,4 +95,11 @@ struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data); */ void *syscon_get_first_range(ulong driver_data); +/** + * syscon_node_to_regmap - get regmap from syscon + * + * @node: Device node of syscon + */ +struct regmap *syscon_node_to_regmap(ofnode node); + #endif