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/usr/src/sys/contrib/device-tree/include/dt-bindings/gpio
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device-tree
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dt-bindings
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gpio
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aspeed-gpio.h
(1.33 KB)
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gpio.h
(1.14 KB)
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meson-a1-gpio.h
(1.48 KB)
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meson-axg-gpio.h
(2.27 KB)
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meson-g12a-gpio.h
(2.25 KB)
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meson-gxbb-gpio.h
(2.9 KB)
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meson-gxl-gpio.h
(2.43 KB)
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meson8-gpio.h
(2.98 KB)
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meson8b-gpio.h
(2.26 KB)
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tegra-gpio.h
(1.38 KB)
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tegra186-gpio.h
(1.78 KB)
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tegra194-gpio.h
(1.93 KB)
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uniphier-gpio.h
(497 B)
Editing: gpio.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * This header provides constants for most GPIO bindings. * * Most GPIO bindings include a flags cell as part of the GPIO specifier. * In most cases, the format of the flags cell uses the standard values * defined in this header. */ #ifndef _DT_BINDINGS_GPIO_GPIO_H #define _DT_BINDINGS_GPIO_GPIO_H /* Bit 0 express polarity */ #define GPIO_ACTIVE_HIGH 0 #define GPIO_ACTIVE_LOW 1 /* Bit 1 express single-endedness */ #define GPIO_PUSH_PULL 0 #define GPIO_SINGLE_ENDED 2 /* Bit 2 express Open drain or open source */ #define GPIO_LINE_OPEN_SOURCE 0 #define GPIO_LINE_OPEN_DRAIN 4 /* * Open Drain/Collector is the combination of single-ended open drain interface. * Open Source/Emitter is the combination of single-ended open source interface. */ #define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN) #define GPIO_OPEN_SOURCE (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_SOURCE) /* Bit 3 express GPIO suspend/resume and reset persistence */ #define GPIO_PERSISTENT 0 #define GPIO_TRANSITORY 8 /* Bit 4 express pull up */ #define GPIO_PULL_UP 16 /* Bit 5 express pull down */ #define GPIO_PULL_DOWN 32 #endif
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