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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 …]
H A Dmarvell,orion-pinctrl.txt24 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)
28 mpp4 4 gpio, pci(req4)
29 mpp5 5 gpio, pci(gnt4)
30 mpp6 6 gpio, pci(req5), pci-1(clk)
31 mpp7 7 gpio, pci(gnt5), pci-1(clk)
32 mpp8 8 gpio, ge(col)
33 mpp9 9 gpio, ge(rxerr)
[all …]
H A Dmarvell,armada-38x-pinctrl.txt18 mpp0 0 gpio, ua0(rxd)
19 mpp1 1 gpio, ua0(txd)
20 mpp2 2 gpio, i2c0(sck)
21 mpp3 3 gpio, i2c0(sda)
22 mpp4 4 gpio, ge(mdc), ua1(txd), ua0(rts)
23 mpp5 5 gpio, ge(mdio), ua1(rxd), ua0(cts)
24 mpp6 6 gpio, ge0(txclkout), ge0(crs), dev(cs3)
25 mpp7 7 gpio, ge0(txd0), dev(ad9)
26 mpp8 8 gpio, ge0(txd1), dev(ad10)
27 mpp9 9 gpio, ge0(txd2), dev(ad11)
[all …]
H A Dmarvell,armada-39x-pinctrl.txt18 mpp0 0 gpio, ua0(rxd)
19 mpp1 1 gpio, ua0(txd)
20 mpp2 2 gpio, i2c0(sck)
21 mpp3 3 gpio, i2c0(sda)
22 mpp4 4 gpio, ua1(txd), ua0(rts), smi(mdc)
23 mpp5 5 gpio, ua1(rxd), ua0(cts), smi(mdio)
24 mpp6 6 gpio, dev(cs3), xsmi(mdio)
25 mpp7 7 gpio, dev(ad9), xsmi(mdc)
26 mpp8 8 gpio, dev(ad10), ptp(trig)
27 mpp9 9 gpio, dev(ad11), ptp(clk)
[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/drivers/gpio/
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
[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-aspeed.c11 #include <linux/gpio/aspeed.h>
12 #include <linux/gpio/driver.h>
27 * These two headers aren't meant to be used by GPIO drivers. We need
32 #include <linux/gpio/consumer.h>
72 * represents disabled debouncing for the GPIO. Any other value for an element
106 * line even when the GPIO is configured as an output. Since
220 void (*reg_bit_set)(struct aspeed_gpio *gpio, unsigned int offset,
222 bool (*reg_bit_get)(struct aspeed_gpio *gpio, unsigned int offset,
224 int (*reg_bank_get)(struct aspeed_gpio *gpio, unsigned int offset,
226 void (*privilege_ctrl)(struct aspeed_gpio *gpio, unsigned int offset, int owner);
[all …]
H A Dgpio-zynq.c3 * Xilinx Zynq GPIO device driver
10 #include <linux/gpio/driver.h>
20 #define DRIVER_NAME "zynq-gpio"
63 /* Register offsets for the GPIO device */
96 /* GPIO upper 16 bit mask */
117 * struct zynq_gpio - gpio device private data structure
119 * @base_addr: base address of the GPIO device
121 * @irq: interrupt for the GPIO device
137 * struct zynq_platform_data - zynq gpio platform data structure
138 * @label: string to store in gpio
163 zynq_gpio_is_zynq(struct zynq_gpio * gpio) zynq_gpio_is_zynq() argument
174 gpio_data_ro_bug(struct zynq_gpio * gpio) gpio_data_ro_bug() argument
194 zynq_gpio_get_bank_pin(unsigned int pin_num,unsigned int * bank_num,unsigned int * bank_pin_num,struct zynq_gpio * gpio) zynq_gpio_get_bank_pin() argument
229 struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_value() local
272 struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_set_value() local
312 struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_dir_in() local
352 struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_dir_out() local
386 struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_direction() local
411 struct zynq_gpio *gpio = zynq_gpio_irq_mask() local
435 struct zynq_gpio *gpio = zynq_gpio_irq_unmask() local
456 struct zynq_gpio *gpio = zynq_gpio_irq_ack() local
507 struct zynq_gpio *gpio = zynq_gpio_set_irq_type() local
572 struct zynq_gpio *gpio = zynq_gpio_set_wake() local
628 zynq_gpio_handle_bank_irq(struct zynq_gpio * gpio,unsigned int bank_num,unsigned long pending) zynq_gpio_handle_bank_irq() argument
657 struct zynq_gpio *gpio = zynq_gpio_irqhandler() local
676 zynq_gpio_save_context(struct zynq_gpio * gpio) zynq_gpio_save_context() argument
705 zynq_gpio_restore_context(struct zynq_gpio * gpio) zynq_gpio_restore_context() argument
740 struct zynq_gpio *gpio = dev_get_drvdata(dev); zynq_gpio_suspend() local
761 struct zynq_gpio *gpio = dev_get_drvdata(dev); zynq_gpio_resume() local
784 struct zynq_gpio *gpio = dev_get_drvdata(dev); zynq_gpio_runtime_suspend() local
793 struct zynq_gpio *gpio = dev_get_drvdata(dev); zynq_gpio_runtime_resume() local
904 struct zynq_gpio *gpio; zynq_gpio_probe() local
1010 struct zynq_gpio *gpio = platform_get_drvdata(pdev); zynq_gpio_remove() local
[all...]
H A Dgpio-npcm-sgpio.c3 * Nuvoton NPCM Serial GPIO Driver
10 #include <linux/gpio/driver.h>
137 static void __iomem *bank_reg(struct npcm_sgpio *gpio, in bank_reg() argument
143 return gpio->base + bank->rdata_reg; in bank_reg()
145 return gpio->base + bank->wdata_reg; in bank_reg()
147 return gpio->base + bank->event_config; in bank_reg()
149 return gpio->base + bank->event_status; in bank_reg()
152 dev_WARN(gpio->chip.parent, "Getting here is an error condition"); in bank_reg()
165 struct npcm_sgpio **gpio, in npcm_sgpio_irqd_to_data() argument
174 *gpio = internal; in npcm_sgpio_irqd_to_data()
[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/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 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 …]
H A Dfsl,qoriq-gpio.yaml4 $id: http://devicetree.org/schemas/gpio/fsl,qoriq-gpio.yaml#
7 title: Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller
16 - fsl,mpc5121-gpio
17 - fsl,mpc5125-gpio
18 - fsl,mpc8314-gpio
19 - fsl,mpc8349-gpio
20 - fsl,mpc8572-gpio
21 - fsl,mpc8610-gpio
22 - fsl,pq3-gpio
25 - fsl,ls1021a-gpio
[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/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/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 …]

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