| /linux-3.3/drivers/gpio/ |
| D | Kconfig | 8 Select this config option from the architecture Kconfig, if
11 Select this instead of ARCH_REQUIRE_GPIOLIB, if your architecture does
12 not depend on GPIOs being available, but rather let the user
17 select GPIOLIB
19 Platforms select gpiolib if they use this infrastructure
20 for all their GPIOs, usually starting with ones integrated
30 select GENERIC_GPIO
45 These checks help ensure that GPIOs have been properly initialized
47 non-sleeping contexts. They can make bitbanged serial protocols
55 Say Y here to add a sysfs interface for GPIOs.
[all …]
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| /linux-3.3/Documentation/devicetree/bindings/gpio/ |
| D | gpio.txt | 4 1) gpios property
5 -----------------
7 Nodes that makes use of GPIOs should specify them using one or more
8 properties, each containing a 'gpio-list':
10 gpio-list ::= <single-gpio> [gpio-list]
11 single-gpio ::= <gpio-phandle> <gpio-specifier>
12 gpio-phandle : phandle to gpio controller node
13 gpio-specifier : Array of #gpio-cells specifying specific gpio
16 GPIO properties should be named "[<name>-]gpios". Exact
17 meaning of each gpios property must be documented in the device tree
[all …]
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| /linux-3.3/Documentation/devicetree/bindings/mtd/ |
| D | fsl-upm-nand.txt | 4 - compatible : "fsl,upm-nand".
5 - reg : should specify localbus chip select and size used for the chip.
6 - fsl,upm-addr-offset : UPM pattern offset for the address latch.
7 - fsl,upm-cmd-offset : UPM pattern offset for the command latch.
10 - fsl,upm-wait-flags : add chip-dependent short delays after running the
13 - fsl,upm-addr-line-cs-offsets : address offsets for multi-chip support.
14 The corresponding address lines are used to select the chip.
15 - gpios : may specify optional GPIOs connected to the Ready-Not-Busy pins
16 (R/B#). For multi-chip devices, "n" GPIO definitions are required
18 - chip-delay : chip dependent delay for transferring data from array to
[all …]
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| D | gpio-control-nand.txt | 8 - compatible : "gpio-control-nand"
9 - reg : should specify localbus chip select and size used for the chip. The
12 - #address-cells, #size-cells : Must be present if the device has sub-nodes
14 - gpios : specifies the gpio pins to control the NAND device. nwp is an
18 - bank-width : Width (in bytes) of the device. If not present, the width
20 - chip-delay : chip dependent delay for transferring data from array to
22 - gpio-control-nand,io-sync-reg : A 64-bit physical address for a read
30 gpio-nand@1,0 {
31 compatible = "gpio-control-nand";
33 #address-cells = <1>;
[all …]
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| /linux-3.3/arch/avr32/boards/atstk1000/ |
| D | Kconfig | 11 select CPU_AT32AP7000
15 select CPU_AT32AP7001
19 select CPU_AT32AP7002
23 select CPU_AT32AP7000
29 bool "Non-default STK1002/STK1003/STK1004 jumper settings"
41 and means you can't initialize the on-board QVGA display.
44 bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)"
47 the console on UART-C not UART-A.
55 bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)"
58 PCI-format connector) connect a video sensor.
[all …]
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| /linux-3.3/arch/arm/plat-s3c24xx/ |
| D | Kconfig | 9 select NO_IOPORT
10 select ARCH_REQUIRE_GPIOLIB
11 select S3C_DEV_NAND
17 # low-level serial option nodes
31 low-level implementation needed
37 low-level implementation needed
71 available for boards that need extra gpios for external devices.
77 available for boards that need extra gpios for external devices.
88 select S3C_DMA
129 Internal node to select io timing code that is common to the s3c2410
[all …]
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| /linux-3.3/Documentation/devicetree/bindings/spi/ |
| D | spi_pl022.txt | 4 - compatible : "arm,pl022", "arm,primecell"
5 - reg : Offset and length of the register set for the device
6 - interrupts : Should contain SPI controller interrupt
9 - cs-gpios : should specify GPIOs used for chipselects.
10 The gpios will be referred to as reg = <index> in the SPI child nodes.
11 If unspecified, a single SPI device without a chip select can be used.
|
| D | fsl-spi.txt | 4 - cell-index : QE SPI subblock index.
7 - compatible : should be "fsl,spi".
8 - mode : the SPI operation mode, it can be "cpu" or "cpu-qe".
9 - reg : Offset and length of the register set for the device
10 - interrupts : <a b> where a is the interrupt number and b is a
15 - interrupt-parent : the phandle for the interrupt controller that
19 - gpios : specifies the gpio pins to be used for chipselects.
20 The gpios will be referred to as reg = <index> in the SPI child nodes.
21 If unspecified, a single SPI device without a chip select can be used.
25 cell-index = <0>;
[all …]
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| /linux-3.3/arch/powerpc/platforms/ |
| D | Kconfig | 29 ---help---
41 a hypervisor. This option is not user-selectable but should
64 Select this opton if your platform supports SMP and your
165 select GENERIC_IOMAP
169 select PPC_INDIRECT_IO
173 select PPC_INDIRECT_IO
186 select CPU_FREQ_TABLE
195 select CPU_FREQ_TABLE
204 select CPU_FREQ_TABLE
232 bool "On-chip CPU temperature sensor support"
[all …]
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| /linux-3.3/arch/mips/include/asm/mach-au1x00/ |
| D | gpio.h | 4 * With CONFIG_GPIOLIB=y different types of on-chip GPIO can be supported within
6 * With CONFIG_GPIOLIB=n, your board must select ALCHEMY_GPIOINT_AU1XXX for the
13 #include <asm/mach-au1x00/au1000.h>
14 #include <asm/mach-au1x00/gpio-au1000.h>
15 #include <asm/mach-au1x00/gpio-au1300.h>
17 /* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before
19 * register enables use of GPIOs as wake source.
31 * 4 use cases of Alchemy GPIOS:
35 * A gpiochip for the 75 GPIOs is registered.
42 * Au1300 gpios only by using the numbers straight out of the data-
[all …]
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| /linux-3.3/Documentation/devicetree/bindings/mmc/ |
| D | mmc-spi-slot.txt | 4 - compatible : should be "mmc-spi-slot".
5 - reg : should specify SPI address (chip-select number).
6 - spi-max-frequency : maximum frequency for this device (Hz).
7 - voltage-ranges : two cells are required, first cell specifies minimum
12 - gpios : may specify GPIOs in this order: Card-Detect GPIO,
13 Write-Protect GPIO.
14 - interrupts : the interrupt of a card detect interrupt.
15 - interrupt-parent : the phandle for the interrupt controller that
20 mmc-slot@0 {
21 compatible = "fsl,mpc8323rdb-mmc-slot",
[all …]
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| /linux-3.3/Documentation/ |
| D | gpio.txt | 11 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
16 which GPIOs. Drivers can be written generically, so that board setup code
19 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
20 non-dedicated pin can be configured as a GPIO; and most chips have at least
22 provide GPIOs; multifunction chips like power managers, and audio codecs
25 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
28 The exact capabilities of GPIOs vary between systems. Common options:
30 - Output values are writable (high=1, low=0). Some chips also have
32 value might be driven ... supporting "wire-OR" and similar schemes
35 - Input values are likewise readable (1, 0). Some chips support readback
[all …]
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| /linux-3.3/drivers/mfd/ |
| D | Kconfig | 15 select REGMAP_I2C
16 select MFD_CORE
20 select individual components like voltage regulators, RTC and
21 battery-charger under the corresponding menus.
25 ---help---
36 ---help---
44 select MFD_CORE
45 ---help---
51 select MFD_CORE
64 select MFD_CORE
[all …]
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| /linux-3.3/drivers/mtd/maps/ |
| D | gpio-addr-flash.c | 2 * drivers/mtd/maps/gpio-addr-flash.c
5 * line and supplemented by GPIOs. This way you can hook up say a 8MiB flash
6 * to a 2MiB memory range and use the GPIOs to select a particular range.
9 * Copyright © 2005-2009 Analog Devices Inc.
13 * Licensed under the GPL-2 or later.
31 #define DRIVER_NAME "gpio-addr-flash"
35 * struct async_state - keep GPIO flash state
38 * @gpio_count: number of GPIOs used to address
39 * @gpio_addrs: array of GPIOs to twiddle
41 * @win_size: dedicated memory size (if no GPIOs)
[all …]
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| /linux-3.3/arch/arm/mach-pxa/ |
| D | am300epd.c | 2 * am300epd.c -- Platform device for AM300 EPD kit
10 * This work was made possible by help and equipment support from E-Ink
14 * on the AM300 EPD prototype kit/development kit with an E-Ink 800x600
32 #include <mach/mfp-pxa25x.h>
55 /* this is the 16-bit hdb bus 58-73 */
93 static int gpios[] = { PWR_GPIO_PIN, CFG_GPIO_PIN, RDY_GPIO_PIN, DC_GPIO_PIN, variable
102 wait_event(par->waitq, gpio_get_value(RDY_GPIO_PIN)); in am300_wait_event()
112 for (i = 0; i < ARRAY_SIZE(gpios); i++) { in am300_init_gpio_regs()
113 err = gpio_request(gpios[i], gpio_names[i]); in am300_init_gpio_regs()
115 dev_err(&am300_device->dev, "failed requesting " in am300_init_gpio_regs()
[all …]
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| D | am200epd.c | 2 * am200epd.c -- Platform device for AM200 EPD kit
12 * This work was made possible by help and equipment support from E-Ink
16 * on the AM200 EPD prototype kit/development kit with an E-Ink 800x600
101 static int gpios[] = { LED_GPIO_PIN , STDBY_GPIO_PIN , RST_GPIO_PIN, variable
110 for (i = 0; i < ARRAY_SIZE(gpios); i++) { in am200_init_gpio_regs()
111 err = gpio_request(gpios[i], gpio_names[i]); in am200_init_gpio_regs()
113 dev_err(&am200_device->dev, "failed requesting " in am200_init_gpio_regs()
131 while (--i >= 0) in am200_init_gpio_regs()
132 gpio_free(gpios[i]); in am200_init_gpio_regs()
143 for (i = 0; i < ARRAY_SIZE(gpios); i++) in am200_cleanup()
[all …]
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| /linux-3.3/drivers/regulator/ |
| D | Kconfig | 46 managed regulators and simple non-configurable regulators.
72 controlled via gpios.
74 and the platform has to provide a mapping of GPIO-states
78 tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC"
81 GPIOs. The provided current regulator can enable/disable
82 charging select between 100 mA and 500 mA charging current
96 select REGMAP_I2C
128 S5PV210, and Exynos-4 chips to control VCC_CORE and
185 This driver supports the voltage regulators of DA9052-BC and
186 DA9053-AA/Bx PMIC.
[all …]
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| /linux-3.3/drivers/spi/ |
| D | spi-ppc4xx.c | 44 #include <asm/dcr-regs.h>
46 /* bits in mode register - bit 0 is MSb */
59 * SPI_PPC4XX_MODE_RD = 0 means "MSB first" - this is the normal mode
60 * SPI_PPC4XX_MODE_RD = 1 means "LSB first" - this is bit-reversed mode
108 * CDM = (OPBCLK/4*SCPClkOut) - 1
133 int *gpios; member
150 dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n", in spi_ppc4xx_txrx()
151 t->tx_buf, t->rx_buf, t->len); in spi_ppc4xx_txrx()
153 hw = spi_master_get_devdata(spi->master); in spi_ppc4xx_txrx()
155 hw->tx = t->tx_buf; in spi_ppc4xx_txrx()
[all …]
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| /linux-3.3/arch/arm/mach-davinci/include/mach/ |
| D | spi.h | 32 * davinci_spi_platform_data - Platform data for SPI master device on DaVinci
39 * @chip_sel: list of GPIOs which can act as chip-selects for the SPI.
40 * SPI_INTERN_CS denotes internal SPI chip-select. Not necessary
41 * to populate if all chip-selects are internal.
57 * davinci_spi_config - Per-chip-select configuration for SPI slave devices
62 * 0 - odd parity, 1 - even parity.
66 * @timer_disable: disable chip-select timers (setup and hold)
67 * @c2tdelay: chip-select setup time. Measured in number of SPI module clocks.
68 * @t2cdelay: chip-select hold time. Measured in number of SPI module clocks.
71 * @c2edelay: chip-select active to SPI ENAn signal active time. Measured in
|
| /linux-3.3/arch/arm/mach-s3c64xx/include/mach/ |
| D | gpio.h | 1 /* arch/arm/mach-s3c6400/include/mach/gpio.h
8 * S3C6400 - GPIO lib support
36 /* CONFIG_S3C_GPIO_SPACE allows the user to select extra
84 /* the end of the S3C64XX specific gpios */
88 /* define the number of gpios we need to the one after the GPQ() range */
|
| /linux-3.3/drivers/mtd/nand/ |
| D | ppchameleonevb.c | 17 * - BA model: no NAND
18 * - ME model: 32MB (Samsung K9F5608U0B)
19 * - HI model: 128MB (Samsung K9F1G08UOM)
21 * - 32MB (Samsung K9F5608U0B)
42 #define NAND_MTD_NAME "ppchameleon-nand"
43 #define NAND_EVB_MTD_NAME "ppchameleonevb-nand"
103 * hardware specific access to control-lines
108 struct nand_chip *chip = mtd->priv; in ppchameleon_hwcontrol()
111 #error Missing headerfiles. No way to fix this. -tglx in ppchameleon_hwcontrol()
134 writeb(cmd, chip->IO_ADDR_W); in ppchameleon_hwcontrol()
[all …]
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| /linux-3.3/drivers/input/keyboard/ |
| D | Kconfig | 23 be called adp5520-keys.
33 module will be called adp5588-keys.
43 module will be called adp5589-keys.
61 select ATARI_KBD_CORE
72 select SERIO
73 select SERIO_LIBPS2
74 select SERIO_I8042 if X86
75 select SERIO_GSCPS2 if GSC
92 Say Y here if you have a PA-RISC machine and want to use an AT or
94 PA-RISC keyboards.
[all …]
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| /linux-3.3/arch/arm/mach-pxa/include/mach/ |
| D | corgi.h | 2 * Hardware specific definitions for SL-C7xx series of PDAs
4 * Copyright (c) 2004-2005 Richard Purdie
34 #define CORGI_GPIO_LCDCON_CS (19) /* LCD Control Chip Select */
35 #define CORGI_GPIO_MAX1111_CS (20) /* MAX1111 Chip Select */
36 #define CORGI_GPIO_ADC_TEMP_ON (21) /* Select battery voltage or temperature */
38 #define CORGI_GPIO_ADS7846_CS (24) /* ADS7846 Chip Select */
84 * Corgi SCOOP GPIOs and Config
|
| /linux-3.3/arch/arm/mach-s5p64x0/include/mach/ |
| D | gpio.h | 1 /* linux/arch/arm/mach-s5p64x0/include/mach/gpio.h
3 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
6 * S5P64X0 - GPIO lib support
48 /* CONFIG_S3C_GPIO_SPACE allows the user to select extra
118 /* the end of the S5P64X0 specific gpios */
128 /* define the number of gpios we need to the one after the last GPIO range */
|
| /linux-3.3/drivers/sh/ |
| D | pfc.c | 29 for (k = 0; k < pip->num_resources; k++) in pfc_iounmap()
30 if (pip->window[k].virt) in pfc_iounmap()
31 iounmap(pip->window[k].virt); in pfc_iounmap()
33 kfree(pip->window); in pfc_iounmap()
34 pip->window = NULL; in pfc_iounmap()
42 if (!pip->num_resources) in pfc_ioremap()
45 pip->window = kzalloc(pip->num_resources * sizeof(*pip->window), in pfc_ioremap()
47 if (!pip->window) in pfc_ioremap()
50 for (k = 0; k < pip->num_resources; k++) { in pfc_ioremap()
51 res = pip->resource + k; in pfc_ioremap()
[all …]
|