diff options
| author |   Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> | 2018-09-28 16:15:30 +0300 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2018-10-10 09:21:06 +0200 |
| commit | 2505c7b0128f63289a59d77ee39cacd08aacf779 (patch) | |
| tree | a7a8027e74c2a4cdf5f9e84008fb62391c1fd9d7 /drivers/gpio/Kconfig | |
| parent | dt-bindings: Document the Synopsys GPIO via CREG bindings (diff) | |
| download | linux-dev-2505c7b0128f63289a59d77ee39cacd08aacf779.tar.xz linux-dev-2505c7b0128f63289a59d77ee39cacd08aacf779.zip | |
GPIO: add single-register GPIO via CREG driver
Add single-register MMIO GPIO driver for complex cases where
only several fields in register belong to GPIO lines and each GPIO
line owns a field with different length and on/off value.
Such CREG GPIOs are used in Synopsys AXS10x and HSDK boards.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 88c25677eeff..2bb9ff243f3f 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -437,6 +437,16 @@ config GPIO_SIOX Say yes here to support SIOX I/O devices. These are units connected via a SIOX bus and have a number of fixed-direction I/O lines. +config GPIO_SNPS_CREG + bool "Synopsys GPIO via CREG (Control REGisters) driver" + depends on ARC || COMPILE_TEST + select OF_GPIO + help + This driver supports GPIOs via CREG on various Synopsys SoCs. + This is a single-register MMIO GPIO driver for complex cases + where only several fields in register belong to GPIO lines and + each GPIO line owns a field with different length and on/off value. + config GPIO_SPEAR_SPICS bool "ST SPEAr13xx SPI Chip Select as GPIO support" depends on PLAT_SPEAR |