Files
opensbi/include/sbi_utils/regmap/fdt_regmap.h
Samuel Holland 1bbda9b26f lib: utils/regmap: Constify FDT pointers in parsing functions
Indicate that none of these functions modify the devicetree by
constifying the parameter type.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
2024-08-24 13:02:39 +05:30

32 lines
764 B
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 Ventana Micro Systems Inc.
*
* Authors:
* Anup Patel <apatel@ventanamicro.com>
*/
#ifndef __FDT_REGMAP_H__
#define __FDT_REGMAP_H__
#include <sbi_utils/regmap/regmap.h>
struct fdt_phandle_args;
/** FDT based regmap driver */
struct fdt_regmap {
const struct fdt_match *match_table;
int (*init)(const void *fdt, int nodeoff, u32 phandle,
const struct fdt_match *match);
};
/** Get regmap instance based on phandle */
int fdt_regmap_get_by_phandle(const void *fdt, u32 phandle,
struct regmap **out_rmap);
/** Get regmap instance based on "regmap" property of the specified DT node */
int fdt_regmap_get(const void *fdt, int nodeoff, struct regmap **out_rmap);
#endif