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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dqcom,pmic-gpio.yaml4 $id: http://devicetree.org/schemas/pinctrl/qcom,pmic-gpio.yaml#
7 title: Qualcomm PMIC GPIO block
13 This binding describes the GPIO block(s) found in the 8xxx series of
20 - qcom,pm2250-gpio
21 - qcom,pm660-gpio
22 - qcom,pm660l-gpio
23 - qcom,pm6125-gpio
24 - qcom,pm6150-gpio
25 - qcom,pm6150l-gpio
26 - qcom,pm6350-gpio
[all …]
H A Dmarvell,kirkwood-pinctrl.txt24 mpp0 0 gpio, nand(io2), spi(cs)
28 mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk)
32 mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk),
34 mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), ptp(evreq),
37 mpp11 11 gpio, spi(miso), uart0(rxd), ptp(clk), ptp-1(evreq),
40 mpp13 13 gpio, sdio(cmd), uart1(txd)
41 mpp14 14 gpio, sdio(d0), uart1(rxd), mii(col)
42 mpp15 15 gpio, sdio(d1), uart0(rts), uart1(txd)
43 mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs)
44 mpp17 17 gpio, sdio(d3)
[all …]
H A Dmarvell,armada-375-pinctrl.txt16 mpp0 0 gpio, dev(ad2), spi0(cs1), spi1(cs1)
17 mpp1 1 gpio, dev(ad3), spi0(mosi), spi1(mosi)
18 mpp2 2 gpio, dev(ad4), ptp(evreq), led(c0), audio(sdi)
19 mpp3 3 gpio, dev(ad5), ptp(trig), led(p3), audio(mclk)
20 mpp4 4 gpio, dev(ad6), spi0(miso), spi1(miso)
21 mpp5 5 gpio, dev(ad7), spi0(cs2), spi1(cs2)
22 mpp6 6 gpio, dev(ad0), led(p1), audio(lrclk)
23 mpp7 7 gpio, dev(ad1), ptp(clk), led(p2), audio(extclk)
24 mpp8 8 gpio, dev (bootcs), spi0(cs0), spi1(cs0)
25 mpp9 9 gpio, spi0(sck), spi1(sck), nand(we)
[all …]
H A Dmarvell,armada-xp-pinctrl.txt21 mpp0 0 gpio, ge0(txclkout), lcd(d0)
22 mpp1 1 gpio, ge0(txd0), lcd(d1)
23 mpp2 2 gpio, ge0(txd1), lcd(d2)
24 mpp3 3 gpio, ge0(txd2), lcd(d3)
25 mpp4 4 gpio, ge0(txd3), lcd(d4)
26 mpp5 5 gpio, ge0(txctl), lcd(d5)
27 mpp6 6 gpio, ge0(rxd0), lcd(d6)
28 mpp7 7 gpio, ge0(rxd1), lcd(d7)
29 mpp8 8 gpio, ge0(rxd2), lcd(d8)
30 mpp9 9 gpio, ge0(rxd3), lcd(d9)
[all …]
/linux/drivers/gpio/
H A DMakefile2 # generic gpio support: platform drivers, dedicated expander chips, etc
18 obj-$(CONFIG_GPIO_REGMAP) += gpio-regmap.o
19 obj-$(CONFIG_GPIO_GENERIC) += gpio-generic.o
21 # directly supported by gpio-generic
22 gpio-generic-$(CONFIG_GPIO_GENERIC) += gpio-mmio.o
27 obj-$(CONFIG_GPIO_104_DIO_48E) += gpio-104-dio-48e.o
28 obj-$(CONFIG_GPIO_104_IDI_48) += gpio-104-idi-48.o
29 obj-$(CONFIG_GPIO_104_IDIO_16) += gpio-104-idio-16.o
30 obj-$(CONFIG_GPIO_74X164) += gpio-74x164.o
31 obj-$(CONFIG_GPIO_74XX_MMIO) += gpio-74xx-mmio.o
[all …]
H A DKconfig3 # GPIO infrastructure and drivers
13 bool "GPIO Support"
15 This enables GPIO support through the generic GPIO library.
17 one or more of the GPIO drivers below.
54 bool "Debug GPIO calls"
57 Say Y here to add some extra checks and diagnostics to GPIO calls.
65 bool "/sys/class/gpio/... (sysfs interface)" if EXPERT
71 This ABI is deprecated. If you want to use GPIO from userspace,
80 Say Y here if you want to enable the legacy, global GPIO
91 Only say N if you are sure that the GPIO character device is not
[all …]
H A Dgpio-regmap.c3 * regmap based generic GPIO driver
17 #include <linux/gpio/driver.h>
18 #include <linux/gpio/regmap.h>
41 int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base,
56 static int gpio_regmap_simple_xlate(struct gpio_regmap *gpio, in gpio_regmap_simple_xlate() argument
60 unsigned int line = offset % gpio->ngpio_per_reg; in gpio_regmap_simple_xlate()
61 unsigned int stride = offset / gpio->ngpio_per_reg; in gpio_regmap_simple_xlate()
63 *reg = base + stride * gpio->reg_stride; in gpio_regmap_simple_xlate()
71 struct gpio_regmap *gpio = gpiochip_get_data(chip); in gpio_regmap_get() local
76 if (gpio->reg_dat_base) in gpio_regmap_get()
[all …]
H A Dgpio-dwapb.c10 #include <linux/gpio/driver.h>
11 #include <linux/gpio/generic.h>
47 #define DWAPB_DRIVER_NAME "gpio-dwapb"
82 /* Store GPIO context across system-wide suspend/resume transitions */
103 struct dwapb_gpio *gpio; member
111 struct dwapb_gpio_port, chip)->gpio; in to_dwapb_gpio()
142 static inline u32 gpio_reg_convert(struct dwapb_gpio *gpio, unsigned int offset) in gpio_reg_convert() argument
144 if ((gpio->flags & GPIO_REG_OFFSET_MASK) == GPIO_REG_OFFSET_V2) in gpio_reg_convert()
150 static inline u32 dwapb_read(struct dwapb_gpio *gpio, unsigned int offset) in dwapb_read() argument
152 struct gpio_generic_chip *chip = &gpio->ports[0].chip; in dwapb_read()
[all …]
/linux/arch/arm64/boot/dts/exynos/
H A Dexynos9810-pinctrl.dtsi12 etc1: etc1-gpio-bank {
13 gpio-controller;
14 #gpio-cells = <2>;
20 gpa0: gpa0-gpio-bank {
21 gpio-controller;
22 #gpio-cells = <2>;
37 gpa1: gpa1-gpio-bank {
38 gpio-controller;
39 #gpio-cells = <2>;
54 gpa2: gpa2-gpio-bank {
[all …]
/linux/drivers/gpu/drm/amd/display/dc/gpio/
H A Dgpio_base.c53 struct gpio *gpio, in dal_gpio_open() argument
56 return dal_gpio_open_ex(gpio, mode); in dal_gpio_open()
60 struct gpio *gpio, in dal_gpio_open_ex() argument
63 if (gpio->pin) { in dal_gpio_open_ex()
68 // No action if allocation failed during gpio construct in dal_gpio_open_ex()
69 if (!gpio->hw_container.ddc) { in dal_gpio_open_ex()
73 gpio->mode = mode; in dal_gpio_open_ex()
75 return dal_gpio_service_open(gpio); in dal_gpio_open_ex()
79 const struct gpio *gpio, in dal_gpio_get_value() argument
82 if (!gpio->pin) { in dal_gpio_get_value()
[all …]
/linux/arch/arm/boot/dts/samsung/
H A Dexynos5410-pinctrl.dtsi12 gpa0: gpa0-gpio-bank {
13 gpio-controller;
14 #gpio-cells = <2>;
20 gpa1: gpa1-gpio-bank {
21 gpio-controller;
22 #gpio-cells = <2>;
28 gpa2: gpa2-gpio-bank {
29 gpio-controller;
30 #gpio-cells = <2>;
36 gpb0: gpb0-gpio-bank {
[all …]
/linux/arch/arc/boot/dts/
H A Dabilis_tb101.dtsi37 pctl_gpio_a: pctl-gpio-a { /* GPIO bank A */
50 pctl_gpio_c: pctl-gpio-c { /* GPIO bank C */
63 pctl_gpio_e: pctl-gpio-e { /* GPIO bank E */
76 pctl_gpio_g: pctl-gpio-g { /* GPIO bank G */
83 pctl_gpio_j: pctl-gpio-j { /* GPIO bank J */
86 pctl_gpio_k: pctl-gpio-k { /* GPIO bank K */
124 pctl_gpio_l: pctl-gpio-l { /* GPIO bank L */
127 pctl_gpio_m: pctl-gpio-m { /* GPIO bank M */
141 pctl_gpio_n: pctl-gpio-n {
145 pctl_gpio_b: pctl-gpio-b {
[all …]
H A Dabilis_tb100.dtsi37 pctl_gpio_a: pctl-gpio-a { /* GPIO bank A */
50 pctl_gpio_c: pctl-gpio-c { /* GPIO bank C */
63 pctl_gpio_e: pctl-gpio-e { /* GPIO bank E */
76 pctl_gpio_g: pctl-gpio-g { /* GPIO bank G */
83 pctl_gpio_j: pctl-gpio-j { /* GPIO bank J */
86 pctl_gpio_k: pctl-gpio-k { /* GPIO bank K */
118 pctl_gpio_l: pctl-gpio-l { /* GPIO bank L */
121 pctl_gpio_m: pctl-gpio-m { /* GPIO bank M */
132 pctl_gpio_n: pctl-gpio-n {
136 pctl_gpio_b: pctl-gpio-b {
[all …]
/linux/Documentation/admin-guide/gpio/
H A Dgpio-sim.rst3 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
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``
29 **Attribute:** ``/config/gpio-sim/gpio-device/live``
31 This is a directory representing a GPIO platform device. The ``'dev_name'``
[all …]
/linux/Documentation/driver-api/gpio/
H 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
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
26 mouse cable and connect the wires to GPIO lines or solder a mouse connector
[all …]
/linux/arch/m68k/include/asm/
H A Dmcfgpio.h3 * Coldfire generic GPIO support.
11 int __mcfgpio_get_value(unsigned gpio);
12 void __mcfgpio_set_value(unsigned gpio, int value);
13 int __mcfgpio_direction_input(unsigned gpio);
14 int __mcfgpio_direction_output(unsigned gpio, int value);
15 int __mcfgpio_request(unsigned gpio);
16 void __mcfgpio_free(unsigned gpio);
19 #include <linux/gpio.h>
23 static inline int __gpio_get_value(unsigned gpio) in __gpio_get_value() argument
25 if (gpio < MCFGPIO_PIN_MAX) in __gpio_get_value()
[all …]
/linux/Documentation/devicetree/bindings/gpio/
H A Dfsl-imx-gpio.yaml4 $id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml#
7 title: Freescale i.MX/MXC GPIO controller
18 - fsl,imx1-gpio
19 - fsl,imx21-gpio
20 - fsl,imx31-gpio
21 - fsl,imx35-gpio
22 - fsl,imx7d-gpio
25 - fsl,imx27-gpio
26 - const: fsl,imx21-gpio
28 - const: fsl,imx35-gpio
[all …]
H A Dgpio.txt1 Specifying GPIO information for devices
7 GPIO properties should be named "[<name>-]gpios", with <name> being the purpose
8 of this GPIO for the device. While a non-existent <name> is considered valid
10 for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old
14 GPIO properties can contain one or more GPIO phandles, but only in exceptional
23 The following example could be used to describe GPIO pins used as device enable
27 gpio-controller;
28 #gpio-cells = <2>;
37 In the above example, &gpio1 uses 2 cells to specify a gpio. The first cell is
38 a local offset to the GPIO line and the second cell represents consumer flags,
[all …]
H A Drenesas,rcar-gpio.yaml4 $id: http://devicetree.org/schemas/gpio/renesas,rcar-gpio.yaml#
7 title: Renesas R-Car General-Purpose Input/Output Ports (GPIO)
17 - renesas,gpio-r8a7778 # R-Car M1
18 - renesas,gpio-r8a7779 # R-Car H1
19 - const: renesas,rcar-gen1-gpio # R-Car Gen1
23 - renesas,gpio-r8a7742 # RZ/G1H
24 - renesas,gpio-r8a7743 # RZ/G1M
25 - renesas,gpio-r8a7744 # RZ/G1N
26 - renesas,gpio-r8a7745 # RZ/G1E
27 - renesas,gpio-r8a77470 # RZ/G1C
[all …]
H A Dgpio-ep9301.yaml4 $id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml#
7 title: EP93xx GPIO controller
17 - const: cirrus,ep9301-gpio
20 - cirrus,ep9302-gpio
21 - cirrus,ep9307-gpio
22 - cirrus,ep9312-gpio
23 - cirrus,ep9315-gpio
24 - const: cirrus,ep9301-gpio
40 gpio-controller: true
42 gpio-ranges: true
[all …]
/linux/arch/mips/include/asm/mach-au1x00/
H A Dgpio-au1000.h2 * GPIO functions for Au1000, Au1500, Au1100, Au1550, Au1200
14 /* The default GPIO numberspace as documented in the Alchemy manuals.
43 struct gpio;
45 static inline int au1000_gpio1_to_irq(int gpio) in au1000_gpio1_to_irq() argument
47 return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE); in au1000_gpio1_to_irq()
50 static inline int au1000_gpio2_to_irq(int gpio) in au1000_gpio2_to_irq() argument
63 static inline int au1500_gpio1_to_irq(int gpio) in au1500_gpio1_to_irq() argument
65 gpio -= ALCHEMY_GPIO1_BASE; in au1500_gpio1_to_irq()
67 switch (gpio) { in au1500_gpio1_to_irq()
70 case 23 ... 28: return MAKE_IRQ(1, gpio); in au1500_gpio1_to_irq()
[all …]
/linux/drivers/gpu/drm/amd/display/include/
H A Dgpio_interface.h32 struct gpio;
36 struct gpio *gpio,
40 struct gpio *gpio,
45 const struct gpio *gpio,
50 const struct gpio *gpio,
55 const struct gpio *gpio);
59 struct gpio *gpio,
64 struct gpio *gpio);
68 struct gpio *gpio);
70 /* Get the GPIO id */
[all …]
/linux/drivers/ssb/
H A Ddriver_gpio.c3 * GPIO driver
13 #include <linux/gpio/driver.h>
26 static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned int gpio) in ssb_gpio_to_irq() argument
31 return irq_find_mapping(bus->irq_domain, gpio); in ssb_gpio_to_irq()
41 static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned int gpio) in ssb_gpio_chipco_get_value() argument
45 return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio); in ssb_gpio_chipco_get_value()
48 static int ssb_gpio_chipco_set_value(struct gpio_chip *chip, unsigned int gpio, in ssb_gpio_chipco_set_value() argument
53 ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); in ssb_gpio_chipco_set_value()
59 unsigned int gpio) in ssb_gpio_chipco_direction_input() argument
63 ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0); in ssb_gpio_chipco_direction_input()
[all …]
/linux/include/linux/
H A Dgpio.h5 * This is the LEGACY GPIO bulk include file, including legacy APIs. It is
6 * used for GPIO drivers still referencing the global GPIO numberspace,
9 * If you're implementing a GPIO driver, only include <linux/gpio/driver.h>
10 * If you're implementing a GPIO consumer, only include <linux/gpio/consumer.h>
17 #include <linux/gpio/consumer.h>
24 /* make these flag values available regardless of GPIO kconfig options */
31 * "valid" GPIO numbers are nonnegative and may be passed to
35 * Invalid GPIO numbers are useful for indicating no-such-GPIO in
45 * Platforms may implement their GPIO interface with library code,
47 * extra memory (for code and for per-GPIO table entries).
[all …]
/linux/arch/arm64/boot/dts/exynos/axis/
H A Dartpec8-pinctrl.dtsi14 gpe0: gpe0-gpio-bank {
15 gpio-controller;
16 #gpio-cells = <2>;
21 gpe1: gpe1-gpio-bank {
22 gpio-controller;
23 #gpio-cells = <2>;
28 gpe2: gpe2-gpio-bank {
29 gpio-controller;
30 #gpio-cells = <2>;
35 gpf0: gpf0-gpio-bank {
[all …]

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