David Brownell | 4c20386 | 2007-02-12 00:53:11 -0800 | [diff] [blame] | 1 | #ifndef _ASM_GENERIC_GPIO_H |
| 2 | #define _ASM_GENERIC_GPIO_H |
| 3 | |
Mike Frysinger | b3db4a8 | 2009-10-01 15:43:56 -0700 | [diff] [blame] | 4 | #include <linux/kernel.h> |
David Brownell | 6ea0205 | 2008-05-23 13:04:58 -0700 | [diff] [blame] | 5 | #include <linux/types.h> |
Atsushi Nemoto | 25947d5 | 2008-07-28 15:46:38 -0700 | [diff] [blame] | 6 | #include <linux/errno.h> |
Grant Likely | 15c9a0a | 2011-12-12 09:25:57 -0700 | [diff] [blame] | 7 | #include <linux/of.h> |
Shiraz Hashim | f23f151 | 2012-10-27 15:21:36 +0530 | [diff] [blame] | 8 | #include <linux/pinctrl/pinctrl.h> |
David Brownell | 6ea0205 | 2008-05-23 13:04:58 -0700 | [diff] [blame] | 9 | |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 10 | #ifdef CONFIG_GPIOLIB |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 11 | |
David Brownell | 6ea0205 | 2008-05-23 13:04:58 -0700 | [diff] [blame] | 12 | #include <linux/compiler.h> |
| 13 | |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 14 | /* Platforms may implement their GPIO interface with library code, |
| 15 | * at a small performance cost for non-inlined operations and some |
| 16 | * extra memory (for code and for per-GPIO table entries). |
| 17 | * |
| 18 | * While the GPIO programming interface defines valid GPIO numbers |
| 19 | * to be in the range 0..MAX_INT, this library restricts them to the |
Michael Buesch | 6a9436d | 2008-07-26 15:22:26 -0700 | [diff] [blame] | 20 | * smaller range 0..ARCH_NR_GPIOS-1. |
David Brownell | c956126 | 2010-09-09 16:38:03 -0700 | [diff] [blame] | 21 | * |
| 22 | * ARCH_NR_GPIOS is somewhat arbitrary; it usually reflects the sum of |
| 23 | * builtin/SoC GPIOs plus a number of GPIOs on expanders; the latter is |
| 24 | * actually an estimate of a board-specific value. |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 25 | */ |
| 26 | |
| 27 | #ifndef ARCH_NR_GPIOS |
| 28 | #define ARCH_NR_GPIOS 256 |
| 29 | #endif |
| 30 | |
David Brownell | c956126 | 2010-09-09 16:38:03 -0700 | [diff] [blame] | 31 | /* |
| 32 | * "valid" GPIO numbers are nonnegative and may be passed to |
| 33 | * setup routines like gpio_request(). only some valid numbers |
| 34 | * can successfully be requested and used. |
| 35 | * |
| 36 | * Invalid GPIO numbers are useful for indicating no-such-GPIO in |
| 37 | * platform data and other tables. |
| 38 | */ |
| 39 | |
Joe Perches | 3474cb3 | 2011-05-10 16:23:07 -0700 | [diff] [blame] | 40 | static inline bool gpio_is_valid(int number) |
Guennadi Liakhovetski | e6de180 | 2008-04-28 02:14:46 -0700 | [diff] [blame] | 41 | { |
Joe Perches | 3474cb3 | 2011-05-10 16:23:07 -0700 | [diff] [blame] | 42 | return number >= 0 && number < ARCH_NR_GPIOS; |
Guennadi Liakhovetski | e6de180 | 2008-04-28 02:14:46 -0700 | [diff] [blame] | 43 | } |
| 44 | |
Mike Frysinger | 1f018c8 | 2009-12-09 06:53:39 -0500 | [diff] [blame] | 45 | struct device; |
Mark Brown | feb8369 | 2011-10-24 15:24:10 +0200 | [diff] [blame] | 46 | struct gpio; |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 47 | struct seq_file; |
Guennadi Liakhovetski | 438d890 | 2008-04-28 02:14:44 -0700 | [diff] [blame] | 48 | struct module; |
Anton Vorontsov | a19e3da | 2010-06-08 07:48:16 -0600 | [diff] [blame] | 49 | struct device_node; |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 50 | |
| 51 | /** |
| 52 | * struct gpio_chip - abstract a GPIO controller |
| 53 | * @label: for diagnostics |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 54 | * @dev: optional device providing the GPIOs |
| 55 | * @owner: helps prevent removal of modules exporting active GPIOs |
David Brownell | 35e8bb5 | 2008-10-15 22:03:16 -0700 | [diff] [blame] | 56 | * @request: optional hook for chip-specific activation, such as |
| 57 | * enabling module power and clock; may sleep |
| 58 | * @free: optional hook for chip-specific deactivation, such as |
| 59 | * disabling module power and clock; may sleep |
Mathias Nyman | 80b0a60 | 2012-10-24 17:25:27 +0300 | [diff] [blame] | 60 | * @get_direction: returns direction for signal "offset", 0=out, 1=in, |
| 61 | * (same as GPIOF_DIR_XXX), or negative error |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 62 | * @direction_input: configures signal "offset" as input, or returns error |
| 63 | * @get: returns value for signal "offset"; for output signals this |
| 64 | * returns either the value actually sensed, or zero |
| 65 | * @direction_output: configures signal "offset" as output, or returns error |
Roland Stigge | 1ae9631 | 2012-09-25 09:56:14 +0200 | [diff] [blame] | 66 | * @set_debounce: optional hook for setting debounce time for specified gpio in |
| 67 | * interrupt triggered gpio chips |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 68 | * @set: assigns output value for signal "offset" |
David Brownell | 0f6d504 | 2008-10-15 22:03:14 -0700 | [diff] [blame] | 69 | * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; |
| 70 | * implementation may not sleep |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 71 | * @dbg_show: optional routine to show contents in debugfs; default code |
| 72 | * will be used when this is omitted, but custom code can show extra |
| 73 | * state (such as pullup/pulldown configuration). |
| 74 | * @base: identifies the first GPIO number handled by this chip; or, if |
| 75 | * negative during registration, requests dynamic ID allocation. |
| 76 | * @ngpio: the number of GPIOs handled by this controller; the last GPIO |
| 77 | * handled is (base + ngpio - 1). |
| 78 | * @can_sleep: flag must be set iff get()/set() methods sleep, as they |
| 79 | * must while accessing GPIO expander chips over I2C or SPI |
Daniel Silverstone | 926b663 | 2009-04-02 16:57:05 -0700 | [diff] [blame] | 80 | * @names: if set, must be an array of strings to use as alternative |
| 81 | * names for the GPIOs in this chip. Any entry in the array |
| 82 | * may be NULL if there is no alias for the GPIO, however the |
Uwe Kleine-König | 7839ec7 | 2010-05-26 14:42:18 -0700 | [diff] [blame] | 83 | * array must be @ngpio entries long. A name can include a single printk |
| 84 | * format specifier for an unsigned int. It is substituted by the actual |
| 85 | * number of the gpio. |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 86 | * |
| 87 | * A gpio_chip can help platforms abstract various sources of GPIOs so |
| 88 | * they can all be accessed through a common programing interface. |
| 89 | * Example sources would be SOC controllers, FPGAs, multifunction |
| 90 | * chips, dedicated GPIO expanders, and so on. |
| 91 | * |
| 92 | * Each chip controls a number of signals, identified in method calls |
| 93 | * by "offset" values in the range 0..(@ngpio - 1). When those signals |
| 94 | * are referenced through calls like gpio_get_value(gpio), the offset |
| 95 | * is calculated by subtracting @base from the gpio number. |
| 96 | */ |
| 97 | struct gpio_chip { |
Dmitry Baryshkov | 4fd5463 | 2008-10-15 22:03:10 -0700 | [diff] [blame] | 98 | const char *label; |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 99 | struct device *dev; |
Guennadi Liakhovetski | 438d890 | 2008-04-28 02:14:44 -0700 | [diff] [blame] | 100 | struct module *owner; |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 101 | |
David Brownell | 35e8bb5 | 2008-10-15 22:03:16 -0700 | [diff] [blame] | 102 | int (*request)(struct gpio_chip *chip, |
| 103 | unsigned offset); |
| 104 | void (*free)(struct gpio_chip *chip, |
| 105 | unsigned offset); |
Mathias Nyman | 80b0a60 | 2012-10-24 17:25:27 +0300 | [diff] [blame] | 106 | int (*get_direction)(struct gpio_chip *chip, |
| 107 | unsigned offset); |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 108 | int (*direction_input)(struct gpio_chip *chip, |
| 109 | unsigned offset); |
| 110 | int (*get)(struct gpio_chip *chip, |
| 111 | unsigned offset); |
| 112 | int (*direction_output)(struct gpio_chip *chip, |
| 113 | unsigned offset, int value); |
Felipe Balbi | c4b5be9 | 2010-05-26 14:42:23 -0700 | [diff] [blame] | 114 | int (*set_debounce)(struct gpio_chip *chip, |
| 115 | unsigned offset, unsigned debounce); |
| 116 | |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 117 | void (*set)(struct gpio_chip *chip, |
| 118 | unsigned offset, int value); |
David Brownell | 0f6d504 | 2008-10-15 22:03:14 -0700 | [diff] [blame] | 119 | |
| 120 | int (*to_irq)(struct gpio_chip *chip, |
| 121 | unsigned offset); |
| 122 | |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 123 | void (*dbg_show)(struct seq_file *s, |
| 124 | struct gpio_chip *chip); |
| 125 | int base; |
| 126 | u16 ngpio; |
Uwe Kleine-König | 6215499 | 2010-05-26 14:42:17 -0700 | [diff] [blame] | 127 | const char *const *names; |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 128 | unsigned can_sleep:1; |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 129 | unsigned exported:1; |
Anton Vorontsov | a19e3da | 2010-06-08 07:48:16 -0600 | [diff] [blame] | 130 | |
| 131 | #if defined(CONFIG_OF_GPIO) |
| 132 | /* |
| 133 | * If CONFIG_OF is enabled, then all GPIO controllers described in the |
| 134 | * device tree automatically may have an OF translation |
| 135 | */ |
| 136 | struct device_node *of_node; |
| 137 | int of_gpio_n_cells; |
Grant Likely | 15c9a0a | 2011-12-12 09:25:57 -0700 | [diff] [blame] | 138 | int (*of_xlate)(struct gpio_chip *gc, |
| 139 | const struct of_phandle_args *gpiospec, u32 *flags); |
Anton Vorontsov | a19e3da | 2010-06-08 07:48:16 -0600 | [diff] [blame] | 140 | #endif |
Shiraz Hashim | f23f151 | 2012-10-27 15:21:36 +0530 | [diff] [blame] | 141 | #ifdef CONFIG_PINCTRL |
| 142 | /* |
| 143 | * If CONFIG_PINCTRL is enabled, then gpio controllers can optionally |
| 144 | * describe the actual pin range which they serve in an SoC. This |
| 145 | * information would be used by pinctrl subsystem to configure |
| 146 | * corresponding pins for gpio usage. |
| 147 | */ |
| 148 | struct list_head pin_ranges; |
| 149 | #endif |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 150 | }; |
| 151 | |
| 152 | extern const char *gpiochip_is_requested(struct gpio_chip *chip, |
| 153 | unsigned offset); |
Grant Likely | 1a2d397 | 2011-12-12 09:25:57 -0700 | [diff] [blame] | 154 | extern struct gpio_chip *gpio_to_chip(unsigned gpio); |
David Brownell | 6ea0205 | 2008-05-23 13:04:58 -0700 | [diff] [blame] | 155 | extern int __must_check gpiochip_reserve(int start, int ngpio); |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 156 | |
| 157 | /* add/remove chips */ |
| 158 | extern int gpiochip_add(struct gpio_chip *chip); |
| 159 | extern int __must_check gpiochip_remove(struct gpio_chip *chip); |
Grant Likely | 07ce8ec | 2012-05-18 23:01:05 -0600 | [diff] [blame] | 160 | extern struct gpio_chip *gpiochip_find(void *data, |
Grant Likely | 594fa26 | 2010-06-08 07:48:16 -0600 | [diff] [blame] | 161 | int (*match)(struct gpio_chip *chip, |
Grant Likely | 3d0f7cf | 2012-05-17 13:54:40 -0600 | [diff] [blame] | 162 | void *data)); |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 163 | |
| 164 | |
| 165 | /* Always use the library code for GPIO management calls, |
| 166 | * or when sleeping may be involved. |
| 167 | */ |
Linus Torvalds | d8a3515 | 2011-01-13 17:26:46 -0800 | [diff] [blame] | 168 | extern int gpio_request(unsigned gpio, const char *label); |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 169 | extern void gpio_free(unsigned gpio); |
| 170 | |
Linus Torvalds | d8a3515 | 2011-01-13 17:26:46 -0800 | [diff] [blame] | 171 | extern int gpio_direction_input(unsigned gpio); |
| 172 | extern int gpio_direction_output(unsigned gpio, int value); |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 173 | |
Felipe Balbi | c4b5be9 | 2010-05-26 14:42:23 -0700 | [diff] [blame] | 174 | extern int gpio_set_debounce(unsigned gpio, unsigned debounce); |
| 175 | |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 176 | extern int gpio_get_value_cansleep(unsigned gpio); |
| 177 | extern void gpio_set_value_cansleep(unsigned gpio, int value); |
| 178 | |
| 179 | |
| 180 | /* A platform's <asm/gpio.h> code may want to inline the I/O calls when |
| 181 | * the GPIO is constant and refers to some always-present controller, |
| 182 | * giving direct access to chip registers and tight bitbanging loops. |
| 183 | */ |
| 184 | extern int __gpio_get_value(unsigned gpio); |
| 185 | extern void __gpio_set_value(unsigned gpio, int value); |
| 186 | |
| 187 | extern int __gpio_cansleep(unsigned gpio); |
| 188 | |
David Brownell | 0f6d504 | 2008-10-15 22:03:14 -0700 | [diff] [blame] | 189 | extern int __gpio_to_irq(unsigned gpio); |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 190 | |
Linus Torvalds | d8a3515 | 2011-01-13 17:26:46 -0800 | [diff] [blame] | 191 | extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); |
Lars-Peter Clausen | 7c29597 | 2011-05-25 16:20:31 -0700 | [diff] [blame] | 192 | extern int gpio_request_array(const struct gpio *array, size_t num); |
| 193 | extern void gpio_free_array(const struct gpio *array, size_t num); |
Eric Miao | 3e45f1d | 2010-03-05 13:44:35 -0800 | [diff] [blame] | 194 | |
John Crispin | 1a0703e | 2011-12-20 21:40:21 +0100 | [diff] [blame] | 195 | /* bindings for managed devices that want to request gpios */ |
| 196 | int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); |
Mark Brown | 09d71ff | 2012-05-02 12:46:46 +0100 | [diff] [blame] | 197 | int devm_gpio_request_one(struct device *dev, unsigned gpio, |
| 198 | unsigned long flags, const char *label); |
John Crispin | 1a0703e | 2011-12-20 21:40:21 +0100 | [diff] [blame] | 199 | void devm_gpio_free(struct device *dev, unsigned int gpio); |
| 200 | |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 201 | #ifdef CONFIG_GPIO_SYSFS |
| 202 | |
| 203 | /* |
| 204 | * A sysfs interface can be exported by individual drivers if they want, |
| 205 | * but more typically is configured entirely from userspace. |
| 206 | */ |
| 207 | extern int gpio_export(unsigned gpio, bool direction_may_change); |
Jani Nikula | a4177ee | 2009-09-22 16:46:33 -0700 | [diff] [blame] | 208 | extern int gpio_export_link(struct device *dev, const char *name, |
| 209 | unsigned gpio); |
Jani Nikula | 0769746 | 2009-12-15 16:46:20 -0800 | [diff] [blame] | 210 | extern int gpio_sysfs_set_active_low(unsigned gpio, int value); |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 211 | extern void gpio_unexport(unsigned gpio); |
| 212 | |
| 213 | #endif /* CONFIG_GPIO_SYSFS */ |
| 214 | |
Anton Vorontsov | 09cd952 | 2010-10-27 15:33:16 -0700 | [diff] [blame] | 215 | #else /* !CONFIG_GPIOLIB */ |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 216 | |
Joe Perches | 3474cb3 | 2011-05-10 16:23:07 -0700 | [diff] [blame] | 217 | static inline bool gpio_is_valid(int number) |
Guennadi Liakhovetski | e6de180 | 2008-04-28 02:14:46 -0700 | [diff] [blame] | 218 | { |
| 219 | /* only non-negative numbers are valid */ |
| 220 | return number >= 0; |
| 221 | } |
| 222 | |
David Brownell | 4c20386 | 2007-02-12 00:53:11 -0800 | [diff] [blame] | 223 | /* platforms that don't directly support access to GPIOs through I2C, SPI, |
| 224 | * or other blocking infrastructure can use these wrappers. |
| 225 | */ |
| 226 | |
| 227 | static inline int gpio_cansleep(unsigned gpio) |
| 228 | { |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | static inline int gpio_get_value_cansleep(unsigned gpio) |
| 233 | { |
| 234 | might_sleep(); |
Hamo | eb9ae7f | 2011-10-21 09:38:32 +0800 | [diff] [blame] | 235 | return __gpio_get_value(gpio); |
David Brownell | 4c20386 | 2007-02-12 00:53:11 -0800 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | static inline void gpio_set_value_cansleep(unsigned gpio, int value) |
| 239 | { |
| 240 | might_sleep(); |
Hamo | eb9ae7f | 2011-10-21 09:38:32 +0800 | [diff] [blame] | 241 | __gpio_set_value(gpio, value); |
David Brownell | 4c20386 | 2007-02-12 00:53:11 -0800 | [diff] [blame] | 242 | } |
| 243 | |
Anton Vorontsov | 09cd952 | 2010-10-27 15:33:16 -0700 | [diff] [blame] | 244 | #endif /* !CONFIG_GPIOLIB */ |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 245 | |
| 246 | #ifndef CONFIG_GPIO_SYSFS |
| 247 | |
Mike Frysinger | 1f018c8 | 2009-12-09 06:53:39 -0500 | [diff] [blame] | 248 | struct device; |
| 249 | |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 250 | /* sysfs support is only available with gpiolib, where it's optional */ |
| 251 | |
| 252 | static inline int gpio_export(unsigned gpio, bool direction_may_change) |
| 253 | { |
| 254 | return -ENOSYS; |
| 255 | } |
| 256 | |
Jani Nikula | a4177ee | 2009-09-22 16:46:33 -0700 | [diff] [blame] | 257 | static inline int gpio_export_link(struct device *dev, const char *name, |
| 258 | unsigned gpio) |
| 259 | { |
| 260 | return -ENOSYS; |
| 261 | } |
| 262 | |
Jani Nikula | 0769746 | 2009-12-15 16:46:20 -0800 | [diff] [blame] | 263 | static inline int gpio_sysfs_set_active_low(unsigned gpio, int value) |
| 264 | { |
| 265 | return -ENOSYS; |
| 266 | } |
| 267 | |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 268 | static inline void gpio_unexport(unsigned gpio) |
| 269 | { |
| 270 | } |
| 271 | #endif /* CONFIG_GPIO_SYSFS */ |
David Brownell | d2876d0 | 2008-02-04 22:28:20 -0800 | [diff] [blame] | 272 | |
Linus Walleij | 50309a9 | 2012-11-06 17:16:39 +0100 | [diff] [blame] | 273 | #ifdef CONFIG_PINCTRL |
| 274 | |
| 275 | /** |
| 276 | * struct gpio_pin_range - pin range controlled by a gpio chip |
| 277 | * @head: list for maintaining set of pin ranges, used internally |
| 278 | * @pctldev: pinctrl device which handles corresponding pins |
| 279 | * @range: actual range of pins controlled by a gpio controller |
| 280 | */ |
| 281 | |
| 282 | struct gpio_pin_range { |
| 283 | struct list_head node; |
| 284 | struct pinctrl_dev *pctldev; |
| 285 | struct pinctrl_gpio_range range; |
| 286 | }; |
| 287 | |
| 288 | int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, |
Linus Walleij | 316511c | 2012-11-21 08:48:09 +0100 | [diff] [blame] | 289 | unsigned int gpio_offset, unsigned int pin_offset, |
Linus Walleij | 3f0f867 | 2012-11-20 12:40:15 +0100 | [diff] [blame] | 290 | unsigned int npins); |
Linus Walleij | 50309a9 | 2012-11-06 17:16:39 +0100 | [diff] [blame] | 291 | void gpiochip_remove_pin_ranges(struct gpio_chip *chip); |
| 292 | |
| 293 | #else |
| 294 | |
| 295 | static inline int |
| 296 | gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, |
Linus Walleij | 316511c | 2012-11-21 08:48:09 +0100 | [diff] [blame] | 297 | unsigned int gpio_offset, unsigned int pin_offset, |
Linus Walleij | 3f0f867 | 2012-11-20 12:40:15 +0100 | [diff] [blame] | 298 | unsigned int npins) |
Linus Walleij | 50309a9 | 2012-11-06 17:16:39 +0100 | [diff] [blame] | 299 | { |
| 300 | return 0; |
| 301 | } |
| 302 | |
| 303 | static inline void |
| 304 | gpiochip_remove_pin_ranges(struct gpio_chip *chip) |
| 305 | { |
| 306 | } |
| 307 | |
| 308 | #endif /* CONFIG_PINCTRL */ |
| 309 | |
David Brownell | 4c20386 | 2007-02-12 00:53:11 -0800 | [diff] [blame] | 310 | #endif /* _ASM_GENERIC_GPIO_H */ |