diff options
-rw-r--r-- | drivers/soc/tegra/Makefile | 2 | ||||
-rw-r--r-- | drivers/soc/tegra/common.c | 30 | ||||
-rw-r--r-- | include/soc/tegra/common.h | 14 |
3 files changed, 46 insertions, 0 deletions
diff --git a/drivers/soc/tegra/Makefile b/drivers/soc/tegra/Makefile index 236600f91bb3..db34987ed9dc 100644 --- a/drivers/soc/tegra/Makefile +++ b/drivers/soc/tegra/Makefile @@ -1 +1,3 @@ obj-$(CONFIG_ARCH_TEGRA) += fuse/ + +obj-$(CONFIG_ARCH_TEGRA) += common.o diff --git a/drivers/soc/tegra/common.c b/drivers/soc/tegra/common.c new file mode 100644 index 000000000000..a71cb74f3674 --- /dev/null +++ b/drivers/soc/tegra/common.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/of.h> + +#include <soc/tegra/common.h> + +static const struct of_device_id tegra_machine_match[] = { + { .compatible = "nvidia,tegra20", }, + { .compatible = "nvidia,tegra30", }, + { .compatible = "nvidia,tegra114", }, + { .compatible = "nvidia,tegra124", }, + { } +}; + +bool soc_is_tegra(void) +{ + struct device_node *root; + + root = of_find_node_by_path("/"); + if (!root) + return false; + + return of_match_node(tegra_machine_match, root) != NULL; +} diff --git a/include/soc/tegra/common.h b/include/soc/tegra/common.h new file mode 100644 index 000000000000..fc13a9a134e9 --- /dev/null +++ b/include/soc/tegra/common.h @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2014 NVIDIA Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SOC_TEGRA_COMMON_H__ +#define __SOC_TEGRA_COMMON_H__ + +bool soc_is_tegra(void); + +#endif /* __SOC_TEGRA_COMMON_H__ */ |