| /Documentation/devicetree/bindings/pinctrl/ |
| D | qcom,pmic-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/pinctrl/qcom,pmic-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Qualcomm PMIC GPIO block 10 - Bjorn Andersson <bjorn.andersson@linaro.org> 13 This binding describes the GPIO block(s) found in the 8xxx series of 19 - enum: 20 - qcom,pm2250-gpio 21 - qcom,pm660-gpio [all …]
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| D | marvell,armada-37xx-pinctrl.txt | 1 * Marvell Armada 37xx SoC pin and gpio controller 3 Each Armada 37xx SoC come with two pin and gpio controller one for the 6 Inside this set of register the gpio latch allows exposing some 11 GPIO and pin controller: 12 ------------------------ 16 Refer to pinctrl-bindings.txt in this directory for details of the 22 - compatible: "marvell,armada3710-sb-pinctrl", "syscon, "simple-mfd" 24 "marvell,armada3710-nb-pinctrl", "syscon, "simple-mfd" 26 - reg: The first set of register are for pinctrl/gpio and the second 28 - interrupts: list of the interrupt use by the gpio [all …]
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| D | marvell,armada-375-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding 7 - compatible: "marvell,88f6720-pinctrl" 8 - reg: register specifier of MPP registers 16 mpp0 0 gpio, dev(ad2), spi0(cs1), spi1(cs1) 17 mpp1 1 gpio, dev(ad3), spi0(mosi), spi1(mosi) 18 mpp2 2 gpio, dev(ad4), ptp(evreq), led(c0), audio(sdi) 19 mpp3 3 gpio, dev(ad5), ptp(trig), led(p3), audio(mclk) 20 mpp4 4 gpio, dev(ad6), spi0(miso), spi1(miso) 21 mpp5 5 gpio, dev(ad7), spi0(cs2), spi1(cs2) 22 mpp6 6 gpio, dev(ad0), led(p1), audio(lrclk) [all …]
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| D | marvell,armada-xp-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding 7 - compatible: "marvell,mv78230-pinctrl", "marvell,mv78260-pinctrl", 8 "marvell,mv78460-pinctrl" 9 - reg: register specifier of MPP registers 21 mpp0 0 gpio, ge0(txclkout), lcd(d0) 22 mpp1 1 gpio, ge0(txd0), lcd(d1) 23 mpp2 2 gpio, ge0(txd1), lcd(d2) 24 mpp3 3 gpio, ge0(txd2), lcd(d3) 25 mpp4 4 gpio, ge0(txd3), lcd(d4) 26 mpp5 5 gpio, ge0(txctl), lcd(d5) [all …]
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| D | marvell,kirkwood-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding 7 - compatible: "marvell,88f6180-pinctrl", 8 "marvell,88f6190-pinctrl", "marvell,88f6192-pinctrl", 9 "marvell,88f6281-pinctrl", "marvell,88f6282-pinctrl", 10 "marvell,98dx4122-pinctrl", "marvell,98dx1135-pinctrl" 11 - reg: register specifier of MPP registers 14 It also support the 88f6281-based variant in the 98dx412x Bobcat SoCs. 24 mpp0 0 gpio, nand(io2), spi(cs) 28 mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk) 32 mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk), [all …]
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| D | marvell,orion-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding 7 - compatible: "marvell,88f5181-pinctrl", 8 "marvell,88f5181l-pinctrl", 9 "marvell,88f5182-pinctrl", 10 "marvell,88f5281-pinctrl" 12 - reg: two register areas, the first one describing the first two 24 mpp0 0 pcie(rstout), pci(req2), gpio 25 mpp1 1 gpio, pci(gnt2) 26 mpp2 2 gpio, pci(req3), pci-1(pme) 27 mpp3 3 gpio, pci(gnt3) [all …]
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| D | brcm,iproc-gpio.txt | 1 Broadcom iProc GPIO/PINCONF Controller 5 - compatible: 6 "brcm,iproc-gpio" for the generic iProc based GPIO controller IP that 7 supports full-featured pinctrl and GPIO functions used in various iProc 10 May contain an SoC-specific compatibility string to accommodate any 11 SoC-specific features 13 "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or 14 "brcm,cygnus-crmu-gpio" for Cygnus SoCs 16 "brcm,iproc-nsp-gpio" for the iProc NSP SoC that has drive strength support 19 "brcm,iproc-stingray-gpio" for the iProc Stingray SoC that has the general [all …]
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| /Documentation/devicetree/bindings/gpio/ |
| D | fsl-imx-gpio.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Freescale i.MX/MXC GPIO controller 10 - Shawn Guo <shawnguo@kernel.org> 11 - Sascha Hauer <s.hauer@pengutronix.de> 12 - Fabio Estevam <festevam@gmail.com> 17 - enum: 18 - fsl,imx1-gpio [all …]
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| D | renesas,rcar-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/renesas,rcar-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Renesas R-Car General-Purpose Input/Output Ports (GPIO) 10 - Geert Uytterhoeven <geert+renesas@glider.be> 15 - items: 16 - enum: 17 - renesas,gpio-r8a7778 # R-Car M1 18 - renesas,gpio-r8a7779 # R-Car H1 [all …]
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| D | gpio-ep9301.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: EP93xx GPIO controller 10 - Linus Walleij <linus.walleij@linaro.org> 11 - Bartosz Golaszewski <brgl@bgdev.pl> 12 - Nikita Shubin <nikita.shubin@maquefel.me> 17 - const: cirrus,ep9301-gpio 18 - items: [all …]
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| D | fsl,qoriq-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/fsl,qoriq-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller 10 - Frank Li <Frank.Li@nxp.com> 15 - enum: 16 - fsl,mpc5121-gpio 17 - fsl,mpc5125-gpio 18 - fsl,mpc8349-gpio [all …]
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| D | realtek,rtd-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 4 --- 5 $id: http://devicetree.org/schemas/gpio/realtek,rtd-gpio.yaml# 6 $schema: http://devicetree.org/meta-schemas/core.yaml# 8 title: Realtek DHC GPIO controller 11 - Tzuyi Chang <tychang@realtek.com> 14 The GPIO controller is designed for the Realtek DHC (Digital Home Center) 15 RTD series SoC family, which are high-definition media processor SoCs. 20 - realtek,rtd1295-misc-gpio 21 - realtek,rtd1295-iso-gpio [all …]
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| D | nxp,lpc1850-gpio.txt | 1 NXP LPC18xx/43xx GPIO controller Device Tree Bindings 2 ----------------------------------------------------- 5 - compatible : Should be "nxp,lpc1850-gpio" 6 - reg : List of addresses and lengths of the GPIO controller 8 - reg-names : Should be "gpio", "gpio-pin-ic", "gpio-group0-ic" and 9 "gpio-gpoup1-ic" 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 13 - #gpio-cells : Should be two: [all …]
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| D | 8xxx_gpio.txt | 1 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, 7 this information will be used to translate gpio-specifiers. 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 12 controller, see bindings/interrupt-controller/interrupts.txt (the 13 interrupt client nodes section) for details how to specify this GPIO 16 The GPIO module may serve as another interrupt controller (cascaded to 18 nodes section in bindings/interrupt-controller/interrupts.txt for [all …]
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| D | aspeed,ast2400-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/aspeed,ast2400-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Aspeed GPIO controller 10 - Andrew Jeffery <andrew@codeconstruct.com.au> 15 - aspeed,ast2400-gpio 16 - aspeed,ast2500-gpio 17 - aspeed,ast2600-gpio 26 gpio-controller: true [all …]
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| D | gpio-vf610.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/gpio-vf610.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Freescale VF610 PORT/GPIO module 10 - Stefan Agner <stefan@agner.ch> 13 The Freescale PORT/GPIO modules are two adjacent modules providing GPIO 17 Note: Each GPIO port should have an alias correctly numbered in "aliases" 23 - const: fsl,imx8ulp-gpio 24 - const: fsl,vf610-gpio [all …]
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| D | gpio-mxs.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/gpio-mxs.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Freescale MXS GPIO controller 10 - Shawn Guo <shawnguo@kernel.org> 13 The Freescale MXS GPIO controller is part of MXS PIN controller. 15 As the GPIO controller is embedded in the PIN controller and all the 16 GPIO ports share the same IO space with PIN controller, the GPIO node 17 will be represented as sub-nodes of MXS pinctrl node. [all …]
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| D | mrvl-gpio.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only 3 --- 4 $id: http://devicetree.org/schemas/gpio/mrvl-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Marvell PXA GPIO controller 10 - Linus Walleij <linus.walleij@linaro.org> 11 - Bartosz Golaszewski <bgolaszewski@baylibre.com> 12 - Rob Herring <robh@kernel.org> 15 - if: 20 - intel,pxa25x-gpio [all …]
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| D | gpio-mmio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/gpio-mmio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Generic MMIO GPIO 10 - Linus Walleij <linus.walleij@linaro.org> 11 - Bartosz Golaszewski <brgl@bgdev.pl> 14 Some simple GPIO controllers may consist of a single data register or a pair 15 of set/clear-bit registers. Such controllers are common for glue logic in 16 FPGAs or ASICs. Commonly, these controllers are accessed over memory-mapped [all …]
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| D | nvidia,tegra186-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/nvidia,tegra186-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: NVIDIA Tegra GPIO Controller (Tegra186 and later) 10 - Thierry Reding <thierry.reding@gmail.com> 11 - Jon Hunter <jonathanh@nvidia.com> 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 [all …]
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| D | gpio-davinci.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/gpio-davinci.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: GPIO controller for Davinci and keystone devices 10 - Keerthy <j-keerthy@ti.com> 15 - items: 16 - enum: 17 - ti,k2g-gpio 18 - ti,am654-gpio [all …]
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| D | intel,ixp4xx-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/gpio/intel,ixp4xx-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 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. 13 The synchronous edge detector is part of the GPIO block, but the 15 main IXP4xx interrupt controller which has a 1-to-1 mapping for [all …]
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| /Documentation/admin-guide/gpio/ |
| D | gpio-sim.rst | 1 .. SPDX-License-Identifier: GPL-2.0-or-later 3 Configfs GPIO Simulator 6 The configfs GPIO Simulator (gpio-sim) provides a way to create simulated GPIO 8 using the standard GPIO character device interface as well as manipulated 12 ------------------------ 14 The gpio-sim module registers a configfs subsystem called ``'gpio-sim'``. For 21 **Group:** ``/config/gpio-sim`` 23 This is the top directory of the gpio-sim configfs tree. 25 **Group:** ``/config/gpio-sim/gpio-device`` 27 **Attribute:** ``/config/gpio-sim/gpio-device/dev_name`` [all …]
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| /Documentation/driver-api/gpio/ |
| D | drivers-on-gpio.rst | 2 Subsystem drivers using GPIO 5 Note that standard kernel drivers exist for common GPIO tasks and will provide 6 the right in-kernel and userspace APIs/ABIs for the job, and that these 10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO 13 - ledtrig-gpio: drivers/leds/trigger/ledtrig-gpio.c will provide a LED trigger, 14 i.e. a LED will turn on/off in response to a GPIO line going high or low 15 (and that LED may in turn use the leds-gpio as per above). 17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line 20 - gpio-keys-polled: drivers/input/keyboard/gpio_keys_polled.c is used when your 21 GPIO line cannot generate interrupts, so it needs to be periodically polled [all …]
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| /Documentation/devicetree/bindings/fsi/ |
| D | fsi-master-gpio.txt | 1 Device-tree bindings for gpio-based FSI master driver 2 ----------------------------------------------------- 5 - compatible = "fsi-master-gpio"; 6 - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock 7 - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal 10 - enable-gpios = <gpio-descriptor>; : GPIO for enable signal 11 - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable 12 - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other 14 - no-gpio-delays; : Don't add extra delays between GPIO 16 GPIO block is running at a low enough [all …]
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