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Lines Matching +full:gpio +full:- +full:config

1 /* SPDX-License-Identifier: GPL-2.0 */
8 * Samsung Platform - GPIO pin configuration helper definitions
18 /* As a note, all gpio configuration functions are entered exclusively, either
24 unsigned int off, unsigned int config) in samsung_gpio_do_setcfg() argument
26 return (chip->config->set_config)(chip, off, config); in samsung_gpio_do_setcfg()
32 return (chip->config->get_config)(chip, off); in samsung_gpio_do_getcfg()
38 return (chip->config->set_pull)(chip, off, pull); in samsung_gpio_do_setpull()
44 return chip->config->get_pull(chip, off); in samsung_gpio_do_getpull()
47 /* Pull-{up,down} resistor controls.
49 * S3C2410,S3C2440 = Pull-UP,
50 * S3C2412,S3C2413 = Pull-Down
51 * S3C6400,S3C6410 = Pull-Both [None,Down,Up,Undef]
52 * S3C2443 = Pull-Both [not same as S3C6400]
56 * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none.
57 * @chip: The gpio chip that is being configured.
58 * @off: The offset for the GPIO being configured.
62 * bit configuring the presence of a pull-up resistor.
68 * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none
69 * @chip: The gpio chip that is being configured
70 * @off: The offset for the GPIO being configured
74 * bit configuring the presence of a pull-down resistor.
80 * samsung_gpio_setpull_upown() - Pull configuration for choice of up,
83 * @chip: The gpio chip that is being configured.
84 * @off: The offset for the GPIO being configured.
91 * 01 = Pull-up resistor connected
92 * 10 = Pull-down resistor connected
98 * samsung_gpio_getpull_updown() - Get configuration for choice of up,
101 * @chip: The gpio chip that the GPIO pin belongs to
104 * This helper function reads the state of the pull-{up,down} resistor
105 * for the given GPIO in the same case as samsung_gpio_setpull_upown.
111 * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none
112 * @chip: The gpio chip that the GPIO pin belongs to
115 * This helper function reads the state of the pull-up resistor for the
116 * given GPIO in the same case as s3c24xx_gpio_setpull_1up.
122 * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none
123 * @chip: The gpio chip that the GPIO pin belongs to
126 * This helper function reads the state of the pull-down resistor for the
127 * given GPIO in the same case as s3c24xx_gpio_setpull_1down.
133 * s3c2443_gpio_setpull() - Pull configuration for s3c2443.
134 * @chip: The gpio chip that is being configured.
135 * @off: The offset for the GPIO being configured.
141 * 00 = Pull-up resistor connected
142 * 10 = Pull-down resistor connected
149 * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors
150 * @chip: The gpio chip that the GPIO pin belongs to.
153 * This helper function reads the state of the pull-{up,down} resistor for the
154 * given GPIO in the same case as samsung_gpio_setpull_upown.