1*d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2a2686766SThierry Reding /* 3a2686766SThierry Reding * Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved. 4a2686766SThierry Reding */ 5a2686766SThierry Reding 6a2686766SThierry Reding #include <linux/of.h> 7a2686766SThierry Reding 8a2686766SThierry Reding #include <soc/tegra/common.h> 9a2686766SThierry Reding 10a2686766SThierry Reding static const struct of_device_id tegra_machine_match[] = { 11a2686766SThierry Reding { .compatible = "nvidia,tegra20", }, 12a2686766SThierry Reding { .compatible = "nvidia,tegra30", }, 13a2686766SThierry Reding { .compatible = "nvidia,tegra114", }, 14a2686766SThierry Reding { .compatible = "nvidia,tegra124", }, 15ad09c8c2SThierry Reding { .compatible = "nvidia,tegra132", }, 163a369982SThierry Reding { .compatible = "nvidia,tegra210", }, 17a2686766SThierry Reding { } 18a2686766SThierry Reding }; 19a2686766SThierry Reding 20a2686766SThierry Reding bool soc_is_tegra(void) 21a2686766SThierry Reding { 229eb40fa2SYangtao Li const struct of_device_id *match; 23a2686766SThierry Reding struct device_node *root; 24a2686766SThierry Reding 25a2686766SThierry Reding root = of_find_node_by_path("/"); 26a2686766SThierry Reding if (!root) 27a2686766SThierry Reding return false; 28a2686766SThierry Reding 299eb40fa2SYangtao Li match = of_match_node(tegra_machine_match, root); 309eb40fa2SYangtao Li of_node_put(root); 319eb40fa2SYangtao Li 329eb40fa2SYangtao Li return match != NULL; 33a2686766SThierry Reding } 34