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/linux/Documentation/translations/zh_TW/
A Dgpio.txt27 GPIO 接口
35 什麼是GPIO?
44 非專用引腳都可配置爲 GPIO,且大多數晶片都最少有一些 GPIO。
67 - 大部分 GPIO 可以在持有自旋鎖時訪問,但是通常由串行總線擴展的 GPIO
75 GPIO 公約
112 標識一組 GPIO 控制器,64-79標識另一類 GPIO 控制器,且在一個含有
153 如果這個 GPIO 編碼不存在，或者特定的 GPIO 不能用於那種模式，則方向
265 任何須將 GPIO 信號導向適當引腳的引腳復用硬體的編程應該發生在 GPIO
267 任何輸出 GPIO 值的設置之後。這樣可使從引腳特殊功能到 GPIO 的轉換
268 不會在引腳產生毛刺波形。有時當用一個 GPIO 實現其信號驅動一個非 GPIO
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/linux/Documentation/translations/zh_CN/
A Dgpio.txt27 GPIO 接口
35 什么是GPIO?
44 非专用引脚都可配置为 GPIO,且大多数芯片都最少有一些 GPIO。
67 - 大部分 GPIO 可以在持有自旋锁时访问,但是通常由串行总线扩展的 GPIO
75 GPIO 公约
112 标识一组 GPIO 控制器,64-79标识另一类 GPIO 控制器,且在一个含有
153 如果这个 GPIO 编码不存在，或者特定的 GPIO 不能用于那种模式，则方向
265 任何须将 GPIO 信号导向适当引脚的引脚复用硬件的编程应该发生在 GPIO
267 任何输出 GPIO 值的设置之后。这样可使从引脚特殊功能到 GPIO 的转换
268 不会在引脚产生毛刺波形。有时当用一个 GPIO 实现其信号驱动一个非 GPIO
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/linux/drivers/pinctrl/
A Dpinctrl-xway.c116 MFP_XWAY(GPIO0, GPIO, EXIN, NONE, TDM),
119 MFP_XWAY(GPIO3, GPIO, CGU, NONE, PCI),
120 MFP_XWAY(GPIO4, GPIO, STP, NONE, ASC),
122 MFP_XWAY(GPIO6, GPIO, STP, GPT, ASC),
123 MFP_XWAY(GPIO7, GPIO, CGU, PCI, GPHY),
124 MFP_XWAY(GPIO8, GPIO, CGU, NMI, NONE),
125 MFP_XWAY(GPIO9, GPIO, ASC, SPI, EXIN),
127 MFP_XWAY(GPIO11, GPIO, ASC, PCI, SPI),
137 MFP_XWAY(GPIO21, GPIO, PCI, EBU, GPT),
139 MFP_XWAY(GPIO23, GPIO, EBU, PCI, STP),
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A Dpinctrl-lpc18xx.c238 LPC_P(0,0, GPIO, SSP1, ENET, SGPIO, R, R, I2S0_TX_WS,I2S1, 0, ND);
239 LPC_P(0,1, GPIO, SSP1,ENET_ALT,SGPIO, R, R, ENET, I2S1, 0, ND);
240 LPC_P(1,0, GPIO, CTIN, EMC, R, R, SSP0, SGPIO, R, 0, ND);
241 LPC_P(1,1, GPIO, CTOUT, EMC, SGPIO, R, SSP0, R, R, 0, ND);
242 LPC_P(1,2, GPIO, CTOUT, EMC, SGPIO, R, SSP0, R, R, 0, ND);
243 LPC_P(1,3, GPIO, CTOUT, SGPIO, EMC, USB0, SSP1, R, SDMMC, 0, ND);
244 LPC_P(1,4, GPIO, CTOUT, SGPIO, EMC, USB0, SSP1, R, SDMMC, 0, ND);
245 LPC_P(1,5, GPIO, CTOUT, R, EMC, USB0, SSP1, SGPIO, SDMMC, 0, ND);
246 LPC_P(1,6, GPIO, CTIN, R, EMC, R, R, SGPIO, SDMMC, 0, ND);
247 LPC_P(1,7, GPIO, UART1, CTOUT, EMC, USB0, R, R, R, 0, ND);
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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.c180 K210_PC_DEFAULT(GPIO),
225 K210_FUNC(GPIOHS0, GPIO),
226 K210_FUNC(GPIOHS1, GPIO),
257 K210_FUNC(GPIO0, GPIO),
258 K210_FUNC(GPIO1, GPIO),
259 K210_FUNC(GPIO2, GPIO),
260 K210_FUNC(GPIO3, GPIO),
261 K210_FUNC(GPIO4, GPIO),
262 K210_FUNC(GPIO5, GPIO),
263 K210_FUNC(GPIO6, GPIO),
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/linux/drivers/gpio/
A DKconfig15 bool "GPIO Support"
17 This enables GPIO support through the generic GPIO library.
234 GPIO block.
593 The GPIO module has 128 GPIO pins with alternate functions.
868 tristate "Diamond Systems GPIO-MM GPIO support"
872 Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
1006 GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
1501 GPIO card. For more information on how to build a GPIO card
1616 GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1634 GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
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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.
107 Generic MMIO GPIO
116 dry-code conversions to MMIO GPIO for maintainers to test
119 helpers for GPIO drivers on regmap that simply use offsets
120 0..n in some register to drive GPIO lines
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/linux/drivers/pinctrl/bcm/
A DKconfig18 framework. GPIO is provided by a separate GPIO driver.
41 bool "Broadcom BCM6318 GPIO driver"
50 bool "Broadcom BCM6328 GPIO driver"
59 bool "Broadcom BCM6358 GPIO driver"
108 GPIO controller (ASIU), the chipCommonG GPIO controller (CCM), and
109 the always-ON GPIO controller (CRMU/AON). All 3 GPIO controllers are
113 GPIO, the ChipcommonB GPIO. Later controller is supported by this
116 The Broadcom NS2 has two GPIO controller including the CRMU GPIO,
123 these pins are muxed to GPIO.
172 these pins are muxed to GPIO.
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/linux/arch/arm/boot/dts/
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) */
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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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/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 */
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/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.
112 description needs to provide "GPIO ranges" mapping the GPIO line offsets to pin
257 It is custom that GPIO drivers (GPIO chips) are also providing interrupts,
309 Cascaded GPIO irqchips
367 - NESTED THREADED GPIO IRQCHIPS: these are off-chip GPIO expanders and any
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A Dlegacy.rst2 Legacy GPIO Interfaces
11 What is a GPIO?
58 GPIO conventions
150 of a GPIO implicitly requests that GPIO (see below) if it has not been
162 Spinlock-Safe GPIO access
174 /* GPIO OUTPUT */
189 calls to access the GPIO value in cases where the GPIO number (and for
284 GPIO signal to the appropriate pin should occur within a GPIO driver's
287 pin's special function to GPIO. This is sometimes required when using a GPIO
606 an I2C-based GPIO, its probe() routine should only be called after that GPIO
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A Dboard.rst2 GPIO Mappings
11 corresponding GPIO).
44 "led" function, and GPIO 1 as the "power" GPIO::
62 Internally, the GPIO subsystem prefixes the GPIO suffix ("gpios" or "gpio")
122 the GPIO line name
124 to indicate that key is a GPIO line name
129 * GPIO_ACTIVE_HIGH - GPIO line is active high
130 * GPIO_ACTIVE_LOW - GPIO line is active low
133 * GPIO_PERSISTENT - GPIO line is persistent during
181 mapping and is thus transparent to GPIO consumers.
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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
30 an external speaker connected to a GPIO line.
37 the system by pulling a GPIO line and will register a restart handler so
41 system down by pulling a GPIO line and will register a pm_power_off()
46 (off/on) that uses a GPIO, and integrated with the clock subsystem.
61 a GPIO line, integrating with the W1 subsystem and handling devices on
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/linux/Documentation/devicetree/bindings/gpio/
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.
83 1.1) GPIO specifier best practices
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
185 The GPIO chip may contain GPIO hog definitions. GPIO hogging is a mechanism
189 Each GPIO hog definition is represented as a child node of the GPIO controller.
192 - gpios: Store the GPIO information (id, flags, ...) for each GPIO to
250 The GPIO controller offset pertains to the GPIO controller node containing the
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A Dnvidia,tegra186-gpio.txt1 NVIDIA Tegra186 GPIO controllers
3 Tegra186 contains two GPIO controllers; a main controller and an "AON"
9 The Tegra186 GPIO controller allows software to set the IO direction of, and
10 read/write the value of, numerous GPIO signals. Routing of GPIO signals to
17 varies between the different GPIO controllers.
20 that wishes to configure access to the GPIO registers needs access to these
24 b) GPIO registers, which allow manipulation of the GPIO signals. In some GPIO
77 - "gpio": Mandatory. GPIO control registers. This may cover either:
100 Marks the device node as a GPIO controller/provider.
104 Indicates how many cells are used in a consumer's GPIO specifier.
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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 Dintel,ixp4xx-gpio.txt1 Intel IXP4xx XScale Networking Processors GPIO
3 This GPIO controller is found in the Intel IXP4xx processors.
4 It supports 16 GPIO lines.
6 The interrupt portions of the GPIO controller is hierarchical:
7 the synchronous edge detector is part of the GPIO block, but the
10 the first 12 GPIO lines to 12 system interrupts.
12 The remaining 4 GPIO lines can not be used for receiving
15 The interrupt parent of this GPIO controller must be the
23 - gpio-controller : marks this as a GPIO controller
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
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/linux/arch/arm64/boot/dts/qcom/
A Dqrb5165-rb5.dts998 "GPIO-A",
999 "GPIO-C",
1000 "GPIO-E",
1001 "GPIO-D",
1008 "GPIO-X",
1019 "GPIO-Z",
1040 "GPIO-F",
1060 "GPIO-G",
1086 "GPIO-K",
1087 "GPIO-I",
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/linux/Documentation/devicetree/bindings/input/
A Dgpio-mouse.txt1 Device-Tree bindings for GPIO attached mice
3 This simply uses standard GPIO handles to define a simple mouse connected
4 to 5-7 GPIO lines.
9 - up-gpios: GPIO line phandle to the line indicating "up"
10 - down-gpios: GPIO line phandle to the line indicating "down"
11 - left-gpios: GPIO line phandle to the line indicating "left"
12 - right-gpios: GPIO line phandle to the line indicating "right"
15 - button-left-gpios: GPIO line handle to the left mouse button
16 - button-middle-gpios: GPIO line handle to the middle mouse button
17 - button-right-gpios: GPIO line handle to the right mouse button
/linux/Documentation/firmware-guide/acpi/
A Dgpio-properties.rst4 _DSD Device Properties Related to GPIO
10 the corresponding GPIO, which is pretty error prone (it depends on
40 The format of the supported GPIO property is::
52 If 1, the GPIO is marked as active_low.
56 it to 1 marks the GPIO as active low.
96 ^GPIO, 19, 0, 0, // chip select 0: GPIO
98 ^GPIO, 20, 0, 0, // chip select 2: GPIO
112 _DSD device properties for GPIO controllers:
210 ACPI GPIO Mappings Provided by Drivers
223 to the GPIO lines it is going to use and provide the GPIO subsystem with a
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/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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