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/linux/drivers/pinctrl/
A Dpinctrl-xway.c115 MFP_XWAY(GPIO0, GPIO, EXIN, MII, TDM),
116 MFP_XWAY(GPIO1, GPIO, STP, DFE, EBU),
117 MFP_XWAY(GPIO2, GPIO, STP, DFE, EPHY),
118 MFP_XWAY(GPIO3, GPIO, STP, EPHY, EBU),
119 MFP_XWAY(GPIO4, GPIO, GPT, EPHY, MII),
120 MFP_XWAY(GPIO5, GPIO, MII, ASC, GPT),
121 MFP_XWAY(GPIO6, GPIO, MII, ASC, EXIN),
122 MFP_XWAY(GPIO7, GPIO, SPI, MII, JTAG),
123 MFP_XWAY(GPIO8, GPIO, SPI, MII, JTAG),
124 MFP_XWAY(GPIO9, GPIO, SPI, MII, JTAG),
[all …]
A Dpinctrl-lpc18xx.c240 LPC_P(0,0, GPIO, SSP1, ENET, SGPIO, R, R, I2S0_TX_WS,I2S1, 0, ND);
241 LPC_P(0,1, GPIO, SSP1,ENET_ALT,SGPIO, R, R, ENET, I2S1, 0, ND);
242 LPC_P(1,0, GPIO, CTIN, EMC, R, R, SSP0, SGPIO, R, 0, ND);
243 LPC_P(1,1, GPIO, CTOUT, EMC, SGPIO, R, SSP0, R, R, 0, ND);
244 LPC_P(1,2, GPIO, CTOUT, EMC, SGPIO, R, SSP0, R, R, 0, ND);
245 LPC_P(1,3, GPIO, CTOUT, SGPIO, EMC, USB0, SSP1, R, SDMMC, 0, ND);
246 LPC_P(1,4, GPIO, CTOUT, SGPIO, EMC, USB0, SSP1, R, SDMMC, 0, ND);
247 LPC_P(1,5, GPIO, CTOUT, R, EMC, USB0, SSP1, SGPIO, SDMMC, 0, ND);
248 LPC_P(1,6, GPIO, CTIN, R, EMC, R, R, SGPIO, SDMMC, 0, ND);
249 LPC_P(1,7, GPIO, UART1, CTOUT, EMC, USB0, R, R, R, 0, ND);
[all …]
A Dpinctrl-falcon.c108 MFP_FALCON(GPIO1, GPIO, GPIO, NONE, NONE),
109 MFP_FALCON(GPIO2, GPIO, GPIO, NONE, NONE),
110 MFP_FALCON(GPIO3, GPIO, GPIO, NONE, NONE),
124 MFP_FALCON(GPIO34, SPI, GPIO, NONE, NONE),
125 MFP_FALCON(GPIO35, SPI, GPIO, NONE, NONE),
126 MFP_FALCON(GPIO36, SPI, GPIO, NONE, NONE),
127 MFP_FALCON(GPIO37, SPI, GPIO, NONE, NONE),
128 MFP_FALCON(GPIO38, SPI, GPIO, NONE, NONE),
129 MFP_FALCON(GPIO39, I2C, GPIO, NONE, NONE),
134 MFP_FALCON(GPIO44, SLIC, GPIO, PCM, ASC),
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A Dpinctrl-k210.c182 K210_PC_DEFAULT(GPIO),
227 K210_FUNC(GPIOHS0, GPIO),
228 K210_FUNC(GPIOHS1, GPIO),
259 K210_FUNC(GPIO0, GPIO),
260 K210_FUNC(GPIO1, GPIO),
261 K210_FUNC(GPIO2, GPIO),
262 K210_FUNC(GPIO3, GPIO),
263 K210_FUNC(GPIO4, GPIO),
264 K210_FUNC(GPIO5, GPIO),
265 K210_FUNC(GPIO6, GPIO),
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/linux/drivers/gpio/
A DKconfig7 bool "GPIO Support"
9 This enables GPIO support through the generic GPIO library.
113 a GPIO.
256 GPIO block.
970 tristate "Diamond Systems GPIO-MM GPIO support"
976 Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
1103 GPIO driver for ADI DS4520 I2C-based GPIO expander.
1120 GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
1367 PSE GPIO IP.
1669 GPIO card. For more information on how to build a GPIO card
[all …]
A DTODO1 This is a place for planning the ongoing long-term work in the GPIO
5 GPIO descriptors
11 used in the inception of the GPIO subsystem.
24 and treat GPIO lines as abstract entities.
26 The runtime-assigned GPIO numberspace (what you get if you assign the GPIO
44 implicitly does not use global GPIO numbers.
112 Generic MMIO GPIO
121 dry-code conversions to MMIO GPIO for maintainers to test
125 0..n in some register to drive GPIO lines
132 Generic regmap GPIO
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/linux/drivers/pinctrl/bcm/
A DKconfig18 framework. GPIO is provided by a separate GPIO driver.
56 bool "Broadcom BCM6318 GPIO driver"
65 bool "Broadcom BCM6328 GPIO driver"
74 bool "Broadcom BCM6358 GPIO driver"
123 GPIO controller (ASIU), the chipCommonG GPIO controller (CCM), and
124 the always-ON GPIO controller (CRMU/AON). All 3 GPIO controllers are
128 GPIO, the ChipcommonB GPIO. Later controller is supported by this
131 The Broadcom NS2 has two GPIO controller including the CRMU GPIO,
138 these pins are muxed to GPIO.
189 these pins are muxed to GPIO.
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/linux/Documentation/devicetree/bindings/interrupt-controller/
A Drenesas,rzg2l-irqc.yaml61 - description: GPIO interrupt, TINT0
62 - description: GPIO interrupt, TINT1
63 - description: GPIO interrupt, TINT2
64 - description: GPIO interrupt, TINT3
65 - description: GPIO interrupt, TINT4
66 - description: GPIO interrupt, TINT5
67 - description: GPIO interrupt, TINT6
68 - description: GPIO interrupt, TINT7
69 - description: GPIO interrupt, TINT8
70 - description: GPIO interrupt, TINT9
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/linux/Documentation/admin-guide/gpio/
A Dgpio-aggregator.rst3 GPIO Aggregator
42 is a GPIO line name,
45 is a GPIO chip label, and
48 is a comma-separated list of GPIO offsets and/or
49 GPIO offset ranges denoted by dashes.
51 Example: Instantiate a new GPIO aggregator by aggregating GPIO
52 line 19 of "e6052000.gpio" and GPIO lines 20-21 of
60 Userspace may ask the kernel to destroy an aggregated GPIO
64 Example: Destroy the previously-created aggregated GPIO
72 Generic GPIO Driver
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A Dgpio-virtuser.rst3 Virtual GPIO Consumer
14 Creating GPIO consumers
35 This is a directory representing a GPIO consumer device.
46 Creating GPIO lookup tables
92 Activating GPIO consumers
106 standardized GPIO pattern.
108 An example device-tree code defining a virtual GPIO consumer:
119 Controlling virtual GPIO consumers
142 will execute the GPIO driver callbacks in interrupt context.
151 Allows to set and read the consumer label of the GPIO line.
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/linux/Documentation/ABI/testing/
A Dsysfs-driver-chromeos-acpi67 What: /sys/bus/platform/devices/GGL0001:*/GPIO.X/GPIO.0
68 /sys/bus/platform/devices/GOOG0016:*/GPIO.X/GPIO.0
73 GPIO assignments (integer).
79 256 to 511 Debug header GPIO 0 to GPIO 255.
82 What: /sys/bus/platform/devices/GGL0001:*/GPIO.X/GPIO.1
83 /sys/bus/platform/devices/GOOG0016:*/GPIO.X/GPIO.1
94 What: /sys/bus/platform/devices/GGL0001:*/GPIO.X/GPIO.2
95 /sys/bus/platform/devices/GOOG0016:*/GPIO.X/GPIO.2
99 Returns the GPIO number on the specified GPIO
102 What: /sys/bus/platform/devices/GGL0001:*/GPIO.X/GPIO.3
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/linux/Documentation/devicetree/bindings/gpio/
A Dintel,ixp4xx-gpio.yaml7 title: Intel IXP4xx XScale Networking Processors GPIO Controller
10 This GPIO controller is found in the Intel IXP4xx
11 processors. It supports 16 GPIO lines.
12 The interrupt portions of the GPIO controller is hierarchical.
16 the first 12 GPIO lines to 12 system interrupts.
17 The remaining 4 GPIO lines can not be used for receiving
19 The interrupt parent of this GPIO controller must be the
21 GPIO 14 and 15 can be used as clock outputs rather than GPIO,
45 description: If defined, enables clock output on GPIO 14
46 instead of GPIO.
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A Dgpio.txt1 Specifying GPIO information for devices
14 GPIO properties can contain one or more GPIO phandles, but only in exceptional
57 GPIO pin number, and GPIO flags as accepted by the "qe_pio_e" gpio-controller.
124 responsible for correctly interpreting (inverting) the GPIO signal at the GPIO
134 Some system-on-chips (SoCs) use the concept of GPIO banks. A GPIO bank is an
157 GPIO controller.
202 The GPIO chip may contain GPIO hog definitions. GPIO hogging is a mechanism
206 Each GPIO hog definition is represented as a child node of the GPIO controller.
209 - gpios: Store the GPIO information (id, flags, ...) for each GPIO to
267 The GPIO controller offset pertains to the GPIO controller node containing the
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A Dnxp,lpc1850-gpio.txt1 NXP LPC18xx/43xx GPIO controller Device Tree Bindings
6 - reg : List of addresses and lengths of the GPIO controller
10 - clocks : Phandle and clock specifier pair for GPIO controller
11 - resets : Phandle and reset specifier pair for GPIO controller
12 - gpio-controller : Marks the device node as a GPIO controller
14 - The first cell is the GPIO line number
19 0..9 range, for GPIO pin interrupts it is equal
21 GPIO pin configuration, 8 is for GPIO GROUP0
22 interrupt, 9 is for GPIO GROUP1 interrupt
26 - gpio-ranges : Mapping between GPIO and pinctrl
A D8xxx_gpio.txt1 GPIO controllers on MPC8xxx SoCs
3 This is for the non-QE/CPM/GUTs GPIO controllers as found on
6 Every GPIO controller node must have #gpio-cells property defined,
8 See bindings/gpio/gpio.txt for details of how to specify GPIO
11 The GPIO module usually is connected to the SoC's internal interrupt
13 interrupt client nodes section) for details how to specify this GPIO
16 The GPIO module may serve as another interrupt controller (cascaded to
28 - interrupts: Interrupt mapping for GPIO IRQ.
29 - gpio-controller: Marks the port as GPIO controller.
32 - interrupt-controller: Empty boolean property which marks the GPIO
[all …]
A Dnvidia,tegra186-gpio.yaml7 title: NVIDIA Tegra GPIO Controller (Tegra186 and later)
14 Tegra186 contains two GPIO controllers; a main controller and an "AON"
20 The Tegra186 GPIO controller allows software to set the IO direction of,
21 and read/write the value of, numerous GPIO signals. Routing of GPIO signals
28 features available, varies between the different GPIO controllers.
33 GPIO data does not need access to these registers.
35 b) GPIO registers, which allow manipulation of the GPIO signals. In some
43 control a number of GPIOs. Thus, each GPIO is named according to an
44 alphabetical port name and an integer GPIO name within the port. For
99 GPIO control registers. This may cover either:
[all …]
A Dgpio-twl4030.txt1 twl4030 GPIO controller bindings
5 - "ti,twl4030-gpio" for twl4030 GPIO controller
9 - gpio-controller : Marks the device node as a GPIO controller.
12 The first cell is the GPIO number.
15 - ti,debounce : if n-th bit is set, debounces GPIO-n
16 - ti,mmc-cd : if n-th bit is set, GPIO-n controls VMMC(n+1)
17 - ti,pullups : if n-th bit is set, set a pullup on GPIO-n
18 - ti,pulldowns : if n-th bit is set, set a pulldown on GPIO-n
/linux/arch/arm64/boot/dts/bitmain/
A Dbm1880-sophon-edge.dts12 * GPIO name legend: proper name = the GPIO line is used as GPIO
29 * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L"
30 * are the only ones actually used for GPIO.
56 "GPIO-A", /* GPIO0, LSEC pin 23 */
57 "GPIO-C", /* GPIO1, LSEC pin 25 */
59 "GPIO-E", /* GPIO3, LSEC pin 27 */
63 "GPIO-G", /* GPIO7, LSEC pin 29 */
112 "GPIO-I", /* GPIO50, LSEC pin 31 */
113 "GPIO-K", /* GPIO51, LSEC pin 33 */
124 "GPIO-B", /* GPIO62, LSEC pin 24 */
[all …]
/linux/arch/arm/boot/dts/hisilicon/
A Dhi3620-hi4511.dts95 0x0f8 0x1 /* GPIO (IOMG61) */
96 0x0fc 0x1 /* GPIO (IOMG62) */
107 0x104 0x1 /* GPIO (IOMG96) */
108 0x108 0x1 /* GPIO (IOMG64) */
119 0x160 0x1 /* GPIO (IOMG85) */
120 0x164 0x1 /* GPIO (IOMG86) */
132 0x168 0x1 /* GPIO (IOMG87) */
133 0x16c 0x1 /* GPIO (IOMG88) */
134 0x170 0x1 /* GPIO (IOMG93) */
144 0x0b4 0x1 /* GPIO (IOMG45) */
[all …]
/linux/Documentation/driver-api/gpio/
A Ddriver.rst2 GPIO Driver Interface
16 A GPIO chip handles one or more GPIO lines. To be considered a GPIO chip, the
22 GPIO and should therefore still be handled by a GPIO chip driver.
24 Inside a GPIO driver, individual GPIO lines are identified by their hardware
38 number in the integer GPIO namespace so that it can be used with the legacy GPIO
49 2000-2063 to identify GPIO lines in a bank of I2C GPIO expanders.
111 description needs to provide "GPIO ranges" mapping the GPIO line offsets to pin
256 It is custom that GPIO drivers (GPIO chips) are also providing interrupts,
308 Cascaded GPIO irqchips
366 - NESTED THREADED GPIO IRQCHIPS: these are off-chip GPIO expanders and any
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A Ddrivers-on-gpio.rst2 Subsystem drivers using GPIO
5 Note that standard kernel drivers exist for common GPIO tasks and will provide
10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO
14 i.e. a LED will turn on/off in response to a GPIO line going high or low
17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line
33 - pwm-gpio: drivers/pwm/pwm-gpio.c is used to toggle a GPIO with a high
34 resolution timer producing a PWM waveform on the GPIO line, as well as
46 system down by pulling a GPIO line and will register a pm_power_off()
51 (off/on) that uses a GPIO, and integrated with the clock subsystem.
66 a GPIO line, integrating with the W1 subsystem and handling devices on
[all …]
A Dboard.rst2 GPIO Mappings
38 "led" function, and GPIO 1 as the "power" GPIO::
56 Internally, the GPIO subsystem prefixes the GPIO suffix ("gpios" or "gpio")
94 For more information about the ACPI GPIO bindings see
113 the GPIO line name
115 to indicate that key is a GPIO line name
120 * GPIO_ACTIVE_HIGH - GPIO line is active high
121 * GPIO_ACTIVE_LOW - GPIO line is active low
124 * GPIO_PERSISTENT - GPIO line is persistent during
172 mapping and is thus transparent to GPIO consumers.
[all …]
/linux/arch/arm/boot/dts/nxp/imx/
A Dimx6ull-dhcom-pdk2.dts39 gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; /* GPIO A */
40 label = "TA1-GPIO-A";
46 gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; /* GPIO B */
47 label = "TA2-GPIO-B";
53 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
54 label = "TA3-GPIO-C";
60 gpios = <&gpio5 3 GPIO_ACTIVE_LOW>; /* GPIO D */
61 label = "TA4-GPIO-D";
71 * Disable PDK2 LED5, because GPIO E is
92 * Disable PDK2 LED7, because GPIO H is
[all …]
/linux/drivers/pinctrl/intel/
A DKconfig7 bool "Intel Baytrail GPIO pin control"
25 tristate "Intel Lynxpoint pinctrl and GPIO driver"
41 tristate "Intel pinctrl and GPIO platform driver"
52 tristate "Intel Alder Lake pinctrl and GPIO driver"
59 tristate "Intel Broxton pinctrl and GPIO driver"
73 tristate "Intel Cedar Fork pinctrl and GPIO driver"
80 tristate "Intel Denverton pinctrl and GPIO driver"
94 tristate "Intel Emmitsburg pinctrl and GPIO driver"
129 tristate "Intel Lewisburg pinctrl and GPIO driver"
136 tristate "Intel Meteor Lake pinctrl and GPIO driver"
[all …]
/linux/arch/arm64/boot/dts/hisilicon/
A Dhi3798cv200-poplar.dts116 gpio-line-names = "GPIO-E", "",
118 "", "GPIO-F",
119 "", "GPIO-J";
124 gpio-line-names = "GPIO-H", "GPIO-I",
125 "GPIO-L", "GPIO-G",
126 "GPIO-K", "",
134 "GPIO-C", "",
135 "", "GPIO-B";
142 "", "GPIO-D",
150 "", "GPIO-A",

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