| /* |
| * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| /* Helper functions to offer easier navigation of Device Tree Blob */ |
| |
| #ifndef __FDT_WRAPPERS__ |
| #define __FDT_WRAPPERS__ |
| |
| /* Number of cells, given total length in bytes. Each cell is 4 bytes long */ |
| #define NCELLS(len) ((len) / 4) |
| |
| int fdtw_read_cells(const void *dtb, int node, const char *prop, |
| unsigned int cells, void *value); |
| int fdtw_write_inplace_cells(void *dtb, int node, const char *prop, |
| unsigned int cells, void *value); |
| #endif /* __FDT_WRAPPERS__ */ |