diff options
| author | Akhil R <akhilrajeev@nvidia.com> | 2021-12-16 17:10:08 +0300 |
|---|---|---|
| committer | Bartosz Golaszewski <brgl@bgdev.pl> | 2021-12-23 19:12:11 +0300 |
| commit | 9f01881beae9e40c87f3edfb81e87e973f85d272 (patch) | |
| tree | b06244b16a75c35a6b0b62c742e82c3523002ca5 /include/dt-bindings/gpio | |
| parent | e85dd53a38bc32f411f90bd095b738fee46785f8 (diff) | |
| download | linux-9f01881beae9e40c87f3edfb81e87e973f85d272.tar.xz | |
dt-bindings: gpio: Add Tegra241 support
Add the port definitions for the main and AON GPIO controllers found on
Tegra241 (Grace).
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'include/dt-bindings/gpio')
| -rw-r--r-- | include/dt-bindings/gpio/tegra241-gpio.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/tegra241-gpio.h b/include/dt-bindings/gpio/tegra241-gpio.h new file mode 100644 index 000000000000..80cee3016be6 --- /dev/null +++ b/include/dt-bindings/gpio/tegra241-gpio.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved. */ + +/* + * This header provides constants for the nvidia,tegra241-gpio DT binding. + * + * The first cell in Tegra's GPIO specifier is the GPIO ID. The macros below + * provide names for this. + * + * The second cell contains standard flag values specified in gpio.h. + */ + +#ifndef _DT_BINDINGS_GPIO_TEGRA241_GPIO_H +#define _DT_BINDINGS_GPIO_TEGRA241_GPIO_H + +#include <dt-bindings/gpio/gpio.h> + +/* GPIOs implemented by main GPIO controller */ +#define TEGRA241_MAIN_GPIO_PORT_A 0 +#define TEGRA241_MAIN_GPIO_PORT_B 1 +#define TEGRA241_MAIN_GPIO_PORT_C 2 +#define TEGRA241_MAIN_GPIO_PORT_D 3 +#define TEGRA241_MAIN_GPIO_PORT_E 4 +#define TEGRA241_MAIN_GPIO_PORT_F 5 +#define TEGRA241_MAIN_GPIO_PORT_G 6 +#define TEGRA241_MAIN_GPIO_PORT_H 7 +#define TEGRA241_MAIN_GPIO_PORT_I 8 +#define TEGRA241_MAIN_GPIO_PORT_J 9 +#define TEGRA241_MAIN_GPIO_PORT_K 10 +#define TEGRA241_MAIN_GPIO_PORT_L 11 + +#define TEGRA241_MAIN_GPIO(port, offset) \ + ((TEGRA241_MAIN_GPIO_PORT_##port * 8) + (offset)) + +/* GPIOs implemented by AON GPIO controller */ +#define TEGRA241_AON_GPIO_PORT_AA 0 +#define TEGRA241_AON_GPIO_PORT_BB 1 + +#define TEGRA241_AON_GPIO(port, offset) \ + ((TEGRA241_AON_GPIO_PORT_##port * 8) + (offset)) + +#endif |