projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 316f2c48 | 1 | /* |
| 2 | * Coldfire generic GPIO support | |
| 3 | * | |
| 4 | * (C) Copyright 2009, Steven King <sfking@fdwdc.com> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; version 2 of the License. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | */ | |
| 15 | ||
| 16 | #include <linux/kernel.h> | |
| 17 | #include <linux/init.h> | |
| 18 | ||
| 19 | #include <asm/coldfire.h> | |
| 20 | #include <asm/mcfsim.h> | |
| 21 | #include <asm/mcfgpio.h> | |
| 22 | ||
| 23 | static struct mcf_gpio_chip mcf_gpio_chips[] = { | |
| 24 | { | |
| 25 | .gpio_chip = { | |
| 26 | .label = "PA", | |
| 27 | .request = mcf_gpio_request, | |
| 28 | .free = mcf_gpio_free, | |
| 29 | .direction_input = mcf_gpio_direction_input, | |
| 30 | .direction_output = mcf_gpio_direction_output, | |
| 31 | .get = mcf_gpio_get_value, | |
| 32 | .set = mcf_gpio_set_value, | |
| 33 | .ngpio = 16, | |
| 34 | }, | |
| 4d1f692f GU |
35 | .pddr = (void __iomem *) MCFSIM_PADDR, |
| 36 | .podr = (void __iomem *) MCFSIM_PADAT, | |
| 37 | .ppdr = (void __iomem *) MCFSIM_PADAT, | |
| 316f2c48 | 38 | }, |
| 39 | { | |
| 40 | .gpio_chip = { | |
| 41 | .label = "PB", | |
| 42 | .request = mcf_gpio_request, | |
| 43 | .free = mcf_gpio_free, | |
| 44 | .direction_input = mcf_gpio_direction_input, | |
| 45 | .direction_output = mcf_gpio_direction_output, | |
| 46 | .get = mcf_gpio_get_value, | |
| 47 | .set = mcf_gpio_set_value, | |
| 48 | .base = 16, | |
| 49 | .ngpio = 16, | |
| 50 | }, | |
| 4d1f692f GU |
51 | .pddr = (void __iomem *) MCFSIM_PBDDR, |
| 52 | .podr = (void __iomem *) MCFSIM_PBDAT, | |
| 53 | .ppdr = (void __iomem *) MCFSIM_PBDAT, | |
| 316f2c48 | 54 | }, |
| 55 | { | |
| 56 | .gpio_chip = { | |
| 57 | .label = "PC", | |
| 58 | .request = mcf_gpio_request, | |
| 59 | .free = mcf_gpio_free, | |
| 60 | .direction_input = mcf_gpio_direction_input, | |
| 61 | .direction_output = mcf_gpio_direction_output, | |
| 62 | .get = mcf_gpio_get_value, | |
| 63 | .set = mcf_gpio_set_value, | |
| 64 | .base = 32, | |
| 65 | .ngpio = 16, | |
| 66 | }, | |
| 4d1f692f GU |
67 | .pddr = (void __iomem *) MCFSIM_PCDDR, |
| 68 | .podr = (void __iomem *) MCFSIM_PCDAT, | |
| 69 | .ppdr = (void __iomem *) MCFSIM_PCDAT, | |
| 316f2c48 | 70 | }, |
| 71 | }; | |
| 72 | ||
| 73 | static int __init mcf_gpio_init(void) | |
| 74 | { | |
| 75 | unsigned i = 0; | |
| 76 | while (i < ARRAY_SIZE(mcf_gpio_chips)) | |
| 77 | (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); | |
| 78 | return 0; | |
| 79 | } | |
| 80 | ||
| 81 | core_initcall(mcf_gpio_init); |