Merge tag 'gpio-updates-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux.git] / drivers / gpio / Kconfig

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index badbe05823180507916c95eca9013b0841374a83..b813930727154eb705bd3eb1dc5e746097e51e2e 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -3,14 +3,6 @@
 # GPIO infrastructure and drivers
 #
 
-config ARCH_HAVE_CUSTOM_GPIO_H
-       bool
-       help
-         Selecting this config option from the architecture Kconfig allows
-         the architecture to provide a custom asm/gpio.h implementation
-         overriding the default implementations.  New uses of this are
-         strongly discouraged.
-
 menuconfig GPIOLIB
        bool "GPIO Support"
        help
@@ -47,6 +39,14 @@ config GPIOLIB_IRQCHIP
        select IRQ_DOMAIN
        bool
 
+config OF_GPIO_MM_GPIOCHIP
+       bool
+       help
+         This adds support for the legacy 'struct of_mm_gpio_chip' interface
+         from PowerPC. Existing drivers using this interface need to select
+         this symbol, but new drivers should use the generic gpio-regmap
+         infrastructure instead.
+
 config DEBUG_GPIO
        bool "Debug GPIO calls"
        depends on DEBUG_KERNEL
@@ -139,6 +139,7 @@ config GPIO_ALTERA
        tristate "Altera GPIO"
        depends on OF_GPIO
        select GPIOLIB_IRQCHIP
+       select OF_GPIO_MM_GPIOCHIP
        help
          Say Y or M here to build support for the Altera PIO device.
 
@@ -380,6 +381,18 @@ config GPIO_LOONGSON
        help
          Driver for GPIO functionality on Loongson-2F/3A/3B processors.
 
+config GPIO_LOONGSON_64BIT
+       tristate "Loongson 64 bit GPIO support"
+       depends on LOONGARCH || COMPILE_TEST
+       depends on OF_GPIO
+       select GPIO_GENERIC
+       help
+         Say yes here to support the GPIO functionality of a number of
+         Loongson series of chips. The Loongson GPIO controller supports
+         up to 60 GPIOS in total, 4 of which are dedicated GPIO pins, and
+         the remaining 56 are reused with other functions, with edge or
+         level triggered interrupts.
+
 config GPIO_LPC18XX
        tristate "NXP LPC18XX/43XX GPIO support"
        default y if ARCH_LPC18XX
@@ -411,6 +424,7 @@ config GPIO_MENZ127
 config GPIO_MM_LANTIQ
        bool "Lantiq Memory mapped GPIOs"
        depends on LANTIQ && SOC_XWAY
+       select OF_GPIO_MM_GPIOCHIP
        help
          This enables support for memory mapped GPIOs on the External Bus Unit
          (EBU) found on Lantiq SoCs. The GPIOs are output only as they are
@@ -419,6 +433,7 @@ config GPIO_MM_LANTIQ
 config GPIO_MPC5200
        def_bool y
        depends on PPC_MPC52xx
+       select OF_GPIO_MM_GPIOCHIP
 
 config GPIO_MPC8XXX
        bool "MPC512x/MPC8xxx/QorIQ GPIO support"
@@ -485,14 +500,6 @@ config GPIO_PL061
        help
          Say yes here to support the PrimeCell PL061 GPIO device.
 
-config GPIO_PMIC_EIC_SPRD
-       tristate "Spreadtrum PMIC EIC support"
-       depends on MFD_SC27XX_PMIC || COMPILE_TEST
-       depends on OF_GPIO
-       select GPIOLIB_IRQCHIP
-       help
-         Say yes here to support Spreadtrum PMIC EIC device.
-
 config GPIO_PXA
        bool "PXA GPIO support"
        depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST
@@ -616,6 +623,17 @@ config GPIO_SYSCON
        help
          Say yes here to support GPIO functionality though SYSCON driver.
 
+config GPIO_TANGIER
+       tristate
+       select GPIOLIB_IRQCHIP
+       help
+         GPIO support for Intel Tangier and compatible platforms.
+         Currently supported:
+          - Elkhart Lake
+          - Merrifield
+
+         If built as a module its name will be gpio-tangier.
+
 config GPIO_TB10X
        bool
        select GPIO_GENERIC
@@ -1000,6 +1018,16 @@ config GPIO_ADNP
          enough to represent all pins, but the driver will assume a
          register layout for 64 pins (8 registers).
 
+config GPIO_FXL6408
+       tristate "FXL6408 I2C GPIO expander"
+       select GPIO_REGMAP
+       select REGMAP_I2C
+       help
+         GPIO driver for Fairchild Semiconductor FXL6408 GPIO expander.
+
+         To compile this driver as a module, choose M here: the module will
+         be called gpio-fxl6408.
+
 config GPIO_GW_PLD
        tristate "Gateworks PLD GPIO Expander"
        depends on OF_GPIO
@@ -1235,6 +1263,17 @@ config HTC_EGPIO
          several HTC phones.  It provides basic support for input
          pins, output pins, and IRQs.
 
+config GPIO_ELKHARTLAKE
+       tristate "Intel Elkhart Lake PSE GPIO support"
+       depends on X86 || COMPILE_TEST
+       select GPIO_TANGIER
+       help
+         Select this option to enable GPIO support for Intel Elkhart Lake
+         PSE GPIO IP.
+
+         To compile this driver as a module, choose M here: the module will
+         be called gpio-elkhartlake.
+
 config GPIO_JANZ_TTL
        tristate "Janz VMOD-TTL Digital IO Module"
        depends on MFD_JANZ_CMODIO
@@ -1311,6 +1350,14 @@ config GPIO_PALMAS
          Select this option to enable GPIO driver for the TI PALMAS
          series chip family.
 
+config GPIO_PMIC_EIC_SPRD
+       tristate "Spreadtrum PMIC EIC support"
+       depends on MFD_SC27XX_PMIC || COMPILE_TEST
+       depends on OF_GPIO
+       select GPIOLIB_IRQCHIP
+       help
+         Say yes here to support Spreadtrum PMIC EIC device.
+
 config GPIO_RC5T583
        bool "RICOH RC5T583 GPIO"
        depends on MFD_RC5T583
@@ -1505,7 +1552,7 @@ config GPIO_BT8XX
 config GPIO_MERRIFIELD
        tristate "Intel Merrifield GPIO support"
        depends on X86_INTEL_MID
-       select GPIOLIB_IRQCHIP
+       select GPIO_TANGIER
        help
          Say Y here to support Intel Merrifield GPIO.