diff options
author | Tom Rini <trini@konsulko.com> | 2016-09-27 12:47:25 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-09-27 12:47:25 -0400 |
commit | 40e1236afeeacdadfa3865f70fc7e3b8016acbe2 (patch) | |
tree | a915b83d54beceb8a5c4fa424c0bcb6df56238d8 /drivers/misc/tegra_car.c | |
parent | 6d5565608f385b89f528ecf5680410cdc6cf63e9 (diff) | |
parent | 8e5d804f890b32959cc9d9f9349ccd2ff4a744a0 (diff) | |
download | u-boot-imx-40e1236afeeacdadfa3865f70fc7e3b8016acbe2.zip u-boot-imx-40e1236afeeacdadfa3865f70fc7e3b8016acbe2.tar.gz u-boot-imx-40e1236afeeacdadfa3865f70fc7e3b8016acbe2.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-tegra
Diffstat (limited to 'drivers/misc/tegra_car.c')
-rw-r--r-- | drivers/misc/tegra_car.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/misc/tegra_car.c b/drivers/misc/tegra_car.c new file mode 100644 index 0000000..0eb0096 --- /dev/null +++ b/drivers/misc/tegra_car.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <dm.h> +#include <dm/lists.h> +#include <dm/root.h> + +/** + * The CAR exposes multiple different services. We create a sub-device for + * each separate type of service, since each device must be of the appropriate + * UCLASS. + */ +static int tegra_car_bpmp_bind(struct udevice *dev) +{ + int ret; + struct udevice *child; + + debug("%s(dev=%p)\n", __func__, dev); + + ret = device_bind_driver_to_node(dev, "tegra_car_clk", "tegra_car_clk", + dev->of_offset, &child); + if (ret) + return ret; + + ret = device_bind_driver_to_node(dev, "tegra_car_reset", + "tegra_car_reset", dev->of_offset, + &child); + if (ret) + return ret; + + return 0; +} + +static int tegra_car_bpmp_probe(struct udevice *dev) +{ + debug("%s(dev=%p)\n", __func__, dev); + + return 0; +} + +static int tegra_car_bpmp_remove(struct udevice *dev) +{ + debug("%s(dev=%p)\n", __func__, dev); + + return 0; +} + +static const struct udevice_id tegra_car_bpmp_ids[] = { + { .compatible = "nvidia,tegra20-car" }, + { .compatible = "nvidia,tegra30-car" }, + { .compatible = "nvidia,tegra114-car" }, + { .compatible = "nvidia,tegra124-car" }, + { .compatible = "nvidia,tegra210-car" }, + { } +}; + +U_BOOT_DRIVER(tegra_car_bpmp) = { + .name = "tegra_car", + .id = UCLASS_MISC, + .of_match = tegra_car_bpmp_ids, + .bind = tegra_car_bpmp_bind, + .probe = tegra_car_bpmp_probe, + .remove = tegra_car_bpmp_remove, +}; |