2015-07-25 17:46:26 +00:00
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#
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# GPIO infrastructure and drivers
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#
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menu "GPIO Support"
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2014-10-23 13:26:09 +00:00
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config DM_GPIO
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bool "Enable Driver Model for GPIO drivers"
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depends on DM
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help
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2015-02-06 04:41:35 +00:00
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Enable driver model for GPIO access. The standard GPIO
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interface (gpio_get_value(), etc.) is then implemented by
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the GPIO uclass. Drivers provide methods to query the
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particular GPIOs that they provide. The uclass interface
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is defined in include/asm-generic/gpio.h.
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2015-03-31 09:40:46 +00:00
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2019-12-07 04:41:35 +00:00
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config SPL_DM_GPIO
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bool "Enable Driver Model for GPIO drivers in SPL"
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2021-07-11 03:14:30 +00:00
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depends on DM_GPIO && SPL_DM && SPL_GPIO
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2019-12-07 04:41:35 +00:00
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default y
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help
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Enable driver model for GPIO access in SPL. The standard GPIO
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interface (gpio_get_value(), etc.) is then implemented by
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the GPIO uclass. Drivers provide methods to query the
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particular GPIOs that they provide. The uclass interface
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is defined in include/asm-generic/gpio.h.
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config TPL_DM_GPIO
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bool "Enable Driver Model for GPIO drivers in TPL"
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2021-07-11 03:14:30 +00:00
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depends on DM_GPIO && TPL_DM && TPL_GPIO
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2019-12-07 04:41:35 +00:00
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default y
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help
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Enable driver model for GPIO access in TPL. The standard GPIO
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interface (gpio_get_value(), etc.) is then implemented by
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the GPIO uclass. Drivers provide methods to query the
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particular GPIOs that they provide. The uclass interface
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is defined in include/asm-generic/gpio.h.
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2019-07-17 04:59:51 +00:00
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config GPIO_HOG
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2019-06-12 04:11:46 +00:00
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bool "Enable GPIO hog support"
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depends on DM_GPIO
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help
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Enable gpio hog support
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The GPIO chip may contain GPIO hog definitions. GPIO hogging
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is a mechanism providing automatic GPIO request and config-
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uration as part of the gpio-controller's driver probe function.
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2020-05-22 09:08:59 +00:00
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config DM_GPIO_LOOKUP_LABEL
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bool "Enable searching for gpio labelnames"
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depends on DM_GPIO
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help
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This option enables searching for gpio names in
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the defined gpio labels, if the search for the
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gpio bank name failed. This makes sense if you use
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different gpios on different hardware versions
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for the same functionality in board code.
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config SPL_DM_GPIO_LOOKUP_LABEL
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bool "Enable searching for gpio labelnames"
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2021-07-11 03:14:30 +00:00
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depends on DM_GPIO && SPL_DM && SPL_GPIO
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2020-05-22 09:08:59 +00:00
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help
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This option enables searching for gpio names in
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the defined gpio labels, if the search for the
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gpio bank name failed. This makes sense if you use
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different gpios on different hardware versions
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for the same functionality in board code.
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2015-10-21 13:33:45 +00:00
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config ALTERA_PIO
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bool "Altera PIO driver"
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depends on DM_GPIO
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help
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Select this to enable PIO for Altera devices. Please find
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details on the "Embedded Peripherals IP User Guide" of Altera.
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2017-05-07 18:09:30 +00:00
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config BCM6345_GPIO
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bool "BCM6345 GPIO driver"
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2020-01-07 19:14:15 +00:00
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depends on DM_GPIO && (ARCH_BMIPS || ARCH_BCM68360 || \
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ARCH_BCM6858 || ARCH_BCM63158)
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2017-05-07 18:09:30 +00:00
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help
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This driver supports the GPIO banks on BCM6345 SoCs.
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2020-01-30 20:34:56 +00:00
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config CORTINA_GPIO
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bool "Cortina-Access GPIO driver"
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depends on DM_GPIO && CORTINA_PLATFORM
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help
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Enable support for the GPIO controller in Cortina CAxxxx SoCs.
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This driver supports all CPU ISA variants supported by Cortina
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Access CAxxxx SoCs.
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2015-06-23 13:54:19 +00:00
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config DWAPB_GPIO
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bool "DWAPB GPIO driver"
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depends on DM && DM_GPIO
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help
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Support for the Designware APB GPIO driver.
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2017-03-23 04:46:19 +00:00
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config AT91_GPIO
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bool "AT91 PIO GPIO driver"
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help
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Say yes here to select AT91 PIO GPIO driver. AT91 PIO
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controller manages up to 32 fully programmable input/output
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lines. Each I/O line may be dedicated as a general-purpose
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I/O or be assigned to a function of an embedded peripheral.
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The assignment to a function of an embedded peripheral is
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the responsibility of AT91 Pinctrl driver. This driver is
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responsible for the general-purpose I/O.
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2015-11-04 06:25:13 +00:00
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config ATMEL_PIO4
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bool "ATMEL PIO4 driver"
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2016-07-20 09:16:26 +00:00
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depends on DM_GPIO
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2015-11-04 06:25:13 +00:00
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help
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Say yes here to support the Atmel PIO4 driver.
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The PIO4 is new version of Atmel PIO controller, which manages
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up to 128 fully programmable input/output lines. Each I/O line
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may be dedicated as a general purpose I/O or be assigned to
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a function of an embedded peripheral.
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2018-07-10 12:01:20 +00:00
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config DA8XX_GPIO
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bool "DA8xx GPIO Driver"
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help
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This driver supports the DA8xx GPIO controller
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2016-03-12 05:07:27 +00:00
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config INTEL_BROADWELL_GPIO
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bool "Intel Broadwell GPIO driver"
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depends on DM
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help
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This driver supports Broadwell U devices which have an expanded
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GPIO feature set. The difference is large enough to merit a separate
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driver from the common Intel ICH6 driver. It supports a total of
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95 GPIOs which can be configured from the device tree.
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2019-12-07 04:42:54 +00:00
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config INTEL_GPIO
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bool "Intel generic GPIO driver"
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depends on DM_GPIO
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help
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Say yes here to select Intel generic GPIO driver. This controller
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supports recent chips (e.g. Apollo Lake). It permits basic GPIO
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control including setting pins to input/output. It makes use of its
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parent pinctrl driver to actually effect changes.
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2017-07-30 13:23:28 +00:00
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config INTEL_ICH6_GPIO
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bool "Intel ICH6 compatible legacy GPIO driver"
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depends on DM_GPIO
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help
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Say yes here to select Intel ICH6 compatible legacy GPIO driver.
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2017-02-22 08:21:45 +00:00
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config IMX_RGPIO2P
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bool "i.MX7ULP RGPIO2P driver"
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depends on DM
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help
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This driver supports i.MX7ULP Rapid GPIO2P controller.
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2020-05-05 17:56:46 +00:00
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config IPROC_GPIO
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bool "Broadcom iProc GPIO driver(without pinconf)"
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help
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The Broadcom iProc based SoCs- Cygnus, NS2, NS3, NSP and Stingray,
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use the same GPIO Controller IP hence this driver could be used
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for all.
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The Broadcom iProc based SoCs have multiple GPIO controllers and only
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the always-ON GPIO controller (CRMU/AON) is supported by this driver.
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2017-10-16 13:21:32 +00:00
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config HSDK_CREG_GPIO
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bool "HSDK CREG GPIO griver"
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2017-12-10 17:55:44 +00:00
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depends on DM_GPIO
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2017-10-16 13:21:32 +00:00
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help
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This driver supports CREG GPIOs on Synopsys HSDK SOC.
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2015-03-31 09:40:46 +00:00
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config LPC32XX_GPIO
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bool "LPC32XX GPIO driver"
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depends on DM
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help
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Support for the LPC32XX GPIO driver.
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2015-03-06 20:19:01 +00:00
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2021-07-15 15:40:00 +00:00
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config MCP230XX_GPIO
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bool "MCP230XX GPIO driver"
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depends on DM
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help
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Support for Microchip's MCP230XX I2C connected GPIO devices.
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The following chips are supported:
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- MCP23008
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- MCP23017
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- MCP23018
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2019-01-02 08:52:21 +00:00
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config MSCC_SGPIO
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bool "Microsemi Serial GPIO driver"
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depends on DM_GPIO && SOC_VCOREIII
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help
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Support for the VCoreIII SoC serial GPIO device. By using a
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serial interface, the SIO controller significantly extends
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the number of available GPIOs with a minimum number of
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additional pins on the device. The primary purpose of the
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SIO controller is to connect control signals from SFP
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modules and to act as an LED controller.
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2016-03-31 21:12:15 +00:00
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config MSM_GPIO
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bool "Qualcomm GPIO driver"
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depends on DM_GPIO
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help
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Support GPIO controllers on Qualcomm Snapdragon family of SoCs.
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This controller have single bank (default name "soc"), every
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gpio has it's own set of registers.
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Only simple GPIO operations are supported (get/set, change of
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direction and checking pin function).
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Supported devices:
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- APQ8016
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- MSM8916
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2018-02-04 15:32:43 +00:00
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config MXC_GPIO
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2018-06-07 10:10:09 +00:00
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bool "Freescale/NXP MXC GPIO driver"
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2018-02-04 15:32:43 +00:00
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help
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Support GPIO controllers on various i.MX platforms
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2019-08-13 16:10:39 +00:00
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config MXS_GPIO
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bool "Freescale/NXP MXS GPIO driver"
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help
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Support GPIO controllers on i.MX23 and i.MX28 platforms
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2017-05-13 02:33:21 +00:00
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config OMAP_GPIO
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bool "TI OMAP GPIO driver"
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depends on ARCH_OMAP2PLUS
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default y
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help
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Support GPIO controllers on the TI OMAP3/4/5 and related (such as
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AM335x/AM43xx/AM57xx/DRA7xx/etc) families of SoCs.
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2017-08-04 22:34:32 +00:00
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config CMD_PCA953X
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bool "Enable the pca953x command"
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help
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Deprecated: This should be converted to driver model.
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This command provides access to a pca953x GPIO device using the
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legacy GPIO interface. Several subcommands are provided which mirror
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the standard 'gpio' command. It should use that instead.
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2016-03-31 21:12:31 +00:00
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config PM8916_GPIO
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bool "Qualcomm PM8916 PMIC GPIO/keypad driver"
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depends on DM_GPIO && PMIC_PM8916
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help
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Support for GPIO pins and power/reset buttons found on
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Qualcomm PM8916 PMIC.
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Default name for GPIO bank is "pm8916".
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Power and reset buttons are placed in "pm8916_key" bank and
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have gpio numbers 0 and 1 respectively.
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2016-08-02 04:44:24 +00:00
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config PCF8575_GPIO
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bool "PCF8575 I2C GPIO Expander driver"
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depends on DM_GPIO && DM_I2C
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help
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Support for PCF8575 I2C 16-bit GPIO expander. Most of these
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chips are from NXP and TI.
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2017-09-15 19:13:56 +00:00
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config RCAR_GPIO
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bool "Renesas RCar GPIO driver"
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depends on DM_GPIO && ARCH_RMOBILE
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help
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This driver supports the GPIO banks on Renesas RCar SoCs.
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2019-05-04 14:00:17 +00:00
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config RZA1_GPIO
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bool "Renesas RZ/A1 GPIO driver"
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depends on DM_GPIO && RZA1
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help
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This driver supports the GPIO banks on Renesas RZ/A1 R7S72100 SoCs.
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2015-08-30 22:55:27 +00:00
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config ROCKCHIP_GPIO
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bool "Rockchip GPIO driver"
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depends on DM_GPIO
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help
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Support GPIO access on Rockchip SoCs. The GPIOs are arranged into
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a number of banks (different for each SoC type) each with 32 GPIOs.
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The GPIOs for a device are defined in the device tree with one node
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for each bank.
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2015-03-06 20:19:01 +00:00
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config SANDBOX_GPIO
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bool "Enable sandbox GPIO driver"
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depends on SANDBOX && DM && DM_GPIO
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help
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This driver supports some simulated GPIOs which can be adjusted
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using 'back door' functions like sandbox_gpio_set_value(). Then the
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GPIOs can be inspected through the normal get_get_value()
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interface. The purpose of this is to allow GPIOs to be used as
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normal in sandbox, perhaps with test code actually driving the
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behaviour of those GPIOs.
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config SANDBOX_GPIO_COUNT
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int "Number of sandbox GPIOs"
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depends on SANDBOX_GPIO
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default 128
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help
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The sandbox driver can support any number of GPIOs. Generally these
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are specified using the device tree. But you can also have a number
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of 'anonymous' GPIOs that do not belong to any device or bank.
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Select a suitable value depending on your needs.
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2015-06-01 13:07:16 +00:00
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2019-06-23 14:09:46 +00:00
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config SUNXI_GPIO
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bool "Allwinner GPIO driver"
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depends on ARCH_SUNXI
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help
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Support the GPIO device in Allwinner SoCs.
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2018-02-28 06:02:22 +00:00
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config XILINX_GPIO
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bool "Xilinx GPIO driver"
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2018-07-13 06:26:28 +00:00
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depends on DM_GPIO
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2018-02-28 06:02:22 +00:00
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help
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This config enable the Xilinx GPIO driver for Microblaze.
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2017-08-04 22:34:54 +00:00
|
|
|
config CMD_TCA642X
|
|
|
|
|
bool "tca642x - Command to access tca642x state"
|
|
|
|
|
help
|
|
|
|
|
DEPRECATED - This needs conversion to driver model
|
|
|
|
|
|
|
|
|
|
This provides a way to looking at the pin state of this device.
|
|
|
|
|
This mirrors the 'gpio' command and that should be used in preference
|
|
|
|
|
to custom code.
|
|
|
|
|
|
2016-05-12 18:07:41 +00:00
|
|
|
config TEGRA_GPIO
|
|
|
|
|
bool "Tegra20..210 GPIO driver"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Support for the GPIO controller contained in NVIDIA Tegra20 through
|
|
|
|
|
Tegra210.
|
|
|
|
|
|
2016-05-25 20:38:51 +00:00
|
|
|
config TEGRA186_GPIO
|
|
|
|
|
bool "Tegra186 GPIO driver"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Support for the GPIO controller contained in NVIDIA Tegra186. This
|
|
|
|
|
covers both the "main" and "AON" controller instances, even though
|
|
|
|
|
they have slightly different register layout.
|
|
|
|
|
|
2016-02-16 08:03:48 +00:00
|
|
|
config GPIO_UNIPHIER
|
|
|
|
|
bool "UniPhier GPIO"
|
|
|
|
|
depends on ARCH_UNIPHIER
|
|
|
|
|
help
|
|
|
|
|
Say yes here to support UniPhier GPIOs.
|
|
|
|
|
|
2015-06-01 13:07:16 +00:00
|
|
|
config VYBRID_GPIO
|
|
|
|
|
bool "Vybrid GPIO driver"
|
|
|
|
|
depends on DM
|
|
|
|
|
help
|
|
|
|
|
Say yes here to support Vybrid vf610 GPIOs.
|
2015-07-25 17:46:26 +00:00
|
|
|
|
2016-01-28 10:00:13 +00:00
|
|
|
config PIC32_GPIO
|
|
|
|
|
bool "Microchip PIC32 GPIO driver"
|
|
|
|
|
depends on DM_GPIO && MACH_PIC32
|
|
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Say yes here to support Microchip PIC32 GPIOs.
|
|
|
|
|
|
2020-07-30 11:56:13 +00:00
|
|
|
config OCTEON_GPIO
|
|
|
|
|
bool "Octeon II/III/TX/TX2 GPIO driver"
|
|
|
|
|
depends on DM_GPIO && DM_PCI && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2)
|
|
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Add support for the Marvell Octeon GPIO driver. This is used with
|
|
|
|
|
various Octeon parts such as Octeon II/III and OcteonTX/TX2.
|
|
|
|
|
Octeon II/III has 32 GPIOs (count defined via DT) and OcteonTX/TX2
|
|
|
|
|
has 64 GPIOs (count defined via internal register).
|
|
|
|
|
|
2019-06-21 13:39:22 +00:00
|
|
|
config STM32_GPIO
|
2017-04-10 22:02:57 +00:00
|
|
|
bool "ST STM32 GPIO driver"
|
2020-05-06 12:02:42 +00:00
|
|
|
depends on DM_GPIO && (ARCH_STM32 || ARCH_STM32MP)
|
2017-04-10 22:02:57 +00:00
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Device model driver support for STM32 GPIO controller. It should be
|
2019-06-21 13:39:22 +00:00
|
|
|
usable on many stm32 families like stm32f4/f7/h7 and stm32mp1.
|
2017-04-10 22:02:57 +00:00
|
|
|
Tested on STM32F7.
|
|
|
|
|
|
2019-10-01 17:00:46 +00:00
|
|
|
config SIFIVE_GPIO
|
|
|
|
|
bool "SiFive GPIO driver"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Device model driver for GPIO controller present in SiFive FU540 SoC. This
|
|
|
|
|
driver enables GPIO interface on HiFive Unleashed A00 board.
|
|
|
|
|
|
2016-02-12 12:46:50 +00:00
|
|
|
config MVEBU_GPIO
|
|
|
|
|
bool "Marvell MVEBU GPIO driver"
|
2020-11-29 10:08:02 +00:00
|
|
|
depends on DM_GPIO && (ARCH_MVEBU || ARCH_KIRKWOOD)
|
2016-02-12 12:46:50 +00:00
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Say yes here to support Marvell MVEBU (Armada XP/38x) GPIOs.
|
|
|
|
|
|
2016-03-10 10:57:39 +00:00
|
|
|
config ZYNQ_GPIO
|
|
|
|
|
bool "Zynq GPIO driver"
|
2020-08-06 13:18:36 +00:00
|
|
|
depends on DM_GPIO
|
|
|
|
|
default y if ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL
|
2016-03-10 10:57:39 +00:00
|
|
|
help
|
|
|
|
|
Supports GPIO access on Zynq SoC.
|
|
|
|
|
|
2016-05-03 02:02:23 +00:00
|
|
|
config DM_74X164
|
|
|
|
|
bool "74x164 serial-in/parallel-out 8-bits shift register"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Driver for 74x164 compatible serial-in/parallel-out 8-outputs
|
|
|
|
|
shift registers, such as 74lv165, 74hc595.
|
|
|
|
|
This driver can be used to provide access to more gpio outputs.
|
|
|
|
|
|
dm: gpio: pca953x: introduce driver model support for pca953x
Introduce a new driver that supports driver model for pca953x.
The pca953x chips are used as I2C I/O expanders.
This driver is designed to support the following chips:
"
4 bits: pca9536, pca9537
8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
pca9556, pca9557, pca9574, tca6408, xra1202
16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
tca6416
24 bits: tca6424
40 bits: pca9505, pca9698
"
But for now this driver only supports max 24 bits and pca953x compatible
chips. pca957x compatible chips are not supported now.
These can be addressed when we need to add such support for the different
chips.
This driver has been tested on i.MX6 SoloX Sabreauto board with max7310
i2c expander using gpio command as following:
=>gpio status -a
Bank gpio@30_:
gpio@30_0: input: 1 [ ]
=> dm tree:
i2c [ ] | | `-- i2c@021a8000
gpio [ ] | | |-- gpio@30
gpio [ ] | | `-- gpio@32
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Wenyou Yang <wenyou.yang@atmel.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
Cc: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Cc: Andrea Scian <andrea.scian@dave.eu>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Michal Simek <michal.simek@xilinx.com> #on ZynqMP zcu102
2016-04-14 13:45:06 +00:00
|
|
|
config DM_PCA953X
|
|
|
|
|
bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
|
2021-06-02 10:40:45 +00:00
|
|
|
depends on DM_GPIO && DM_I2C
|
dm: gpio: pca953x: introduce driver model support for pca953x
Introduce a new driver that supports driver model for pca953x.
The pca953x chips are used as I2C I/O expanders.
This driver is designed to support the following chips:
"
4 bits: pca9536, pca9537
8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
pca9556, pca9557, pca9574, tca6408, xra1202
16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
tca6416
24 bits: tca6424
40 bits: pca9505, pca9698
"
But for now this driver only supports max 24 bits and pca953x compatible
chips. pca957x compatible chips are not supported now.
These can be addressed when we need to add such support for the different
chips.
This driver has been tested on i.MX6 SoloX Sabreauto board with max7310
i2c expander using gpio command as following:
=>gpio status -a
Bank gpio@30_:
gpio@30_0: input: 1 [ ]
=> dm tree:
i2c [ ] | | `-- i2c@021a8000
gpio [ ] | | |-- gpio@30
gpio [ ] | | `-- gpio@32
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Wenyou Yang <wenyou.yang@atmel.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
Cc: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Cc: Andrea Scian <andrea.scian@dave.eu>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Michal Simek <michal.simek@xilinx.com> #on ZynqMP zcu102
2016-04-14 13:45:06 +00:00
|
|
|
help
|
|
|
|
|
Say yes here to provide access to several register-oriented
|
|
|
|
|
SMBus I/O expanders, made mostly by NXP or TI. Compatible
|
|
|
|
|
models include:
|
|
|
|
|
|
|
|
|
|
4 bits: pca9536, pca9537
|
|
|
|
|
|
|
|
|
|
8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
|
|
|
|
|
pca9556, pca9557, pca9574, tca6408, xra1202
|
|
|
|
|
|
|
|
|
|
16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
|
|
|
|
|
tca6416
|
|
|
|
|
|
|
|
|
|
24 bits: tca6424
|
|
|
|
|
|
|
|
|
|
40 bits: pca9505, pca9698
|
|
|
|
|
|
|
|
|
|
Now, max 24 bits chips and PCA953X compatible chips are
|
2018-12-21 06:21:21 +00:00
|
|
|
supported
|
|
|
|
|
|
|
|
|
|
config SPL_DM_PCA953X
|
|
|
|
|
bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports in SPL"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Say yes here to provide access to several register-oriented
|
|
|
|
|
SMBus I/O expanders, made mostly by NXP or TI. Compatible
|
|
|
|
|
models include:
|
|
|
|
|
|
|
|
|
|
4 bits: pca9536, pca9537
|
|
|
|
|
|
|
|
|
|
8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
|
|
|
|
|
pca9556, pca9557, pca9574, tca6408, xra1202
|
|
|
|
|
|
|
|
|
|
16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
|
|
|
|
|
tca6416
|
|
|
|
|
|
|
|
|
|
24 bits: tca6424
|
|
|
|
|
|
|
|
|
|
40 bits: pca9505, pca9698
|
|
|
|
|
|
|
|
|
|
Now, max 24 bits chips and PCA953X compatible chips are
|
dm: gpio: pca953x: introduce driver model support for pca953x
Introduce a new driver that supports driver model for pca953x.
The pca953x chips are used as I2C I/O expanders.
This driver is designed to support the following chips:
"
4 bits: pca9536, pca9537
8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
pca9556, pca9557, pca9574, tca6408, xra1202
16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
tca6416
24 bits: tca6424
40 bits: pca9505, pca9698
"
But for now this driver only supports max 24 bits and pca953x compatible
chips. pca957x compatible chips are not supported now.
These can be addressed when we need to add such support for the different
chips.
This driver has been tested on i.MX6 SoloX Sabreauto board with max7310
i2c expander using gpio command as following:
=>gpio status -a
Bank gpio@30_:
gpio@30_0: input: 1 [ ]
=> dm tree:
i2c [ ] | | `-- i2c@021a8000
gpio [ ] | | |-- gpio@30
gpio [ ] | | `-- gpio@32
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Wenyou Yang <wenyou.yang@atmel.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
Cc: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Cc: Andrea Scian <andrea.scian@dave.eu>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Michal Simek <michal.simek@xilinx.com> #on ZynqMP zcu102
2016-04-14 13:45:06 +00:00
|
|
|
supported
|
2016-05-25 13:15:20 +00:00
|
|
|
|
2018-01-15 10:07:48 +00:00
|
|
|
config MPC8XXX_GPIO
|
|
|
|
|
bool "Freescale MPC8XXX GPIO driver"
|
2016-05-25 13:15:20 +00:00
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
2018-01-15 10:07:48 +00:00
|
|
|
This driver supports the built-in GPIO controller of MPC8XXX CPUs.
|
2016-05-25 13:15:20 +00:00
|
|
|
Each GPIO bank is identified by its own entry in the device tree,
|
|
|
|
|
i.e.
|
|
|
|
|
|
|
|
|
|
gpio-controller@fc00 {
|
|
|
|
|
#gpio-cells = <2>;
|
|
|
|
|
compatible = "fsl,pq3-gpio";
|
|
|
|
|
reg = <0xfc00 0x100>
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
By default, each bank is assumed to have 32 GPIOs, but the ngpios
|
|
|
|
|
setting is honored, so the number of GPIOs for each bank is
|
|
|
|
|
configurable to match the actual GPIO count of the SoC (e.g. the
|
|
|
|
|
32/32/23 banks of the P1022 SoC).
|
|
|
|
|
|
2016-05-25 13:15:22 +00:00
|
|
|
Aside from the standard functions of input/output mode, and output
|
|
|
|
|
value setting, the open-drain feature, which can configure individual
|
|
|
|
|
GPIOs to work as open-drain outputs, is supported.
|
2018-10-08 10:38:01 +00:00
|
|
|
|
2020-02-11 15:20:22 +00:00
|
|
|
config MPC83XX_SPISEL_BOOT
|
|
|
|
|
bool "Freescale MPC83XX SPISEL_BOOT driver"
|
|
|
|
|
depends on DM_GPIO && ARCH_MPC830X
|
|
|
|
|
help
|
|
|
|
|
GPIO driver to set/clear dedicated SPISEL_BOOT output on MPC83XX.
|
|
|
|
|
|
|
|
|
|
This pin is typically used as spi chip select to a spi nor flash.
|
|
|
|
|
|
2020-11-12 08:36:33 +00:00
|
|
|
config MT7620_GPIO
|
|
|
|
|
bool "MediaTek MT7620 GPIO driver"
|
|
|
|
|
depends on DM_GPIO && SOC_MT7620
|
|
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Device model driver for GPIO controller present in MediaTek MT7620
|
|
|
|
|
and earlier SoCs.
|
|
|
|
|
|
2018-10-08 10:38:01 +00:00
|
|
|
config MT7621_GPIO
|
|
|
|
|
bool "MediaTek MT7621 GPIO driver"
|
2019-04-30 03:13:58 +00:00
|
|
|
depends on DM_GPIO && SOC_MT7628
|
2018-10-08 10:38:01 +00:00
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Say yes here to support MediaTek MT7621 compatible GPIOs.
|
|
|
|
|
|
2020-07-10 17:07:27 +00:00
|
|
|
config NX_GPIO
|
|
|
|
|
bool "Nexell GPIO driver"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Support GPIO access on Nexell SoCs. The GPIOs are arranged into
|
|
|
|
|
a number of banks (different for each SoC type) each with 32 GPIOs.
|
|
|
|
|
The GPIOs for a device are defined in the device tree with one node
|
|
|
|
|
for each bank.
|
|
|
|
|
|
2021-07-02 15:06:18 +00:00
|
|
|
config NOMADIK_GPIO
|
|
|
|
|
bool "Nomadik GPIO driver"
|
|
|
|
|
depends on DM_GPIO
|
|
|
|
|
help
|
|
|
|
|
Support GPIO access on ST-Ericsson Ux500 SoCs. The GPIOs are arranged
|
|
|
|
|
into a number of banks each with 32 GPIOs. The GPIOs for a device are
|
|
|
|
|
defined in the device tree with one node for each bank.
|
|
|
|
|
|
2015-07-25 17:46:26 +00:00
|
|
|
endmenu
|
