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074a1fdd SW |
1 | /* |
2 | * Copyright (c) 2016, NVIDIA CORPORATION. | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0 | |
5 | */ | |
6 | ||
7 | #ifndef _TEGRA186_GPIO_PRIV_H_ | |
8 | #define _TEGRA186_GPIO_PRIV_H_ | |
9 | ||
10 | /* | |
11 | * For each GPIO, there are a set of registers than affect it, all packed | |
12 | * back-to-back. | |
13 | */ | |
14 | #define TEGRA186_GPIO_ENABLE_CONFIG 0x00 | |
15 | #define TEGRA186_GPIO_ENABLE_CONFIG_ENABLE BIT(0) | |
16 | #define TEGRA186_GPIO_ENABLE_CONFIG_OUT BIT(1) | |
17 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_SHIFT 2 | |
18 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_MASK 3 | |
19 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_NONE 0 | |
20 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_LEVEL 1 | |
21 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_SINGLE_EDGE 2 | |
22 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_TYPE_DOUBLE_EDGE 3 | |
23 | #define TEGRA186_GPIO_ENABLE_CONFIG_TRIGGER_LEVEL_HIGH_RISING BIT(4) | |
24 | #define TEGRA186_GPIO_ENABLE_CONFIG_DEBOUNCE_ENABLE BIT(5) | |
25 | #define TEGRA186_GPIO_ENABLE_CONFIG_INTERRUPT_ENABLE BIT(6) | |
26 | #define TEGRA186_GPIO_ENABLE_CONFIG_TIMESTAMPING_ENABLE BIT(7) | |
27 | ||
28 | #define TEGRA186_GPIO_DEBOUNCE_THRESHOLD 0x04 | |
29 | ||
30 | #define TEGRA186_GPIO_INPUT 0x08 | |
31 | ||
32 | #define TEGRA186_GPIO_OUTPUT_CONTROL 0x0c | |
33 | #define TEGRA186_GPIO_OUTPUT_CONTROL_FLOATED BIT(0) | |
34 | ||
35 | #define TEGRA186_GPIO_OUTPUT_VALUE 0x10 | |
36 | #define TEGRA186_GPIO_OUTPUT_VALUE_HIGH 1 | |
37 | ||
38 | #define TEGRA186_GPIO_INTERRUPT_CLEAR 0x14 | |
39 | ||
40 | /* | |
41 | * 8 GPIOs are packed into a port. Their registers appear back-to-back in the | |
42 | * port's address space. | |
43 | */ | |
44 | #define TEGRA186_GPIO_PER_GPIO_STRIDE 0x20 | |
45 | #define TEGRA186_GPIO_PER_GPIO_COUNT 8 | |
46 | ||
47 | /* | |
48 | * Per-port registers are packed immediately following all of a port's | |
49 | * per-GPIO registers. | |
50 | */ | |
51 | #define TEGRA186_GPIO_INTERRUPT_STATUS_G 0x100 | |
52 | #define TEGRA186_GPIO_INTERRUPT_STATUS_G_STRIDE 4 | |
53 | #define TEGRA186_GPIO_INTERRUPT_STATUS_G_COUNT 8 | |
54 | ||
55 | /* | |
56 | * The registers for multiple ports are packed together back-to-back to form | |
57 | * the overall controller. | |
58 | */ | |
59 | #define TEGRA186_GPIO_PER_PORT_STRIDE 0x200 | |
60 | ||
61 | #endif |