gpio: mcp23s08: move to pinctrl
This moves the mcp23s08 driver from gpio to pinctrl. Actual
pinctrl support for configuration of the pull-up resistors
follows in its own patch.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 37af5e3..b5aa50c 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -146,6 +146,19 @@
depends on SOC_FALCON
depends on PINCTRL_LANTIQ
+config PINCTRL_MCP23S08
+ tristate "Microchip MCP23xxx I/O expander"
+ depends on OF_GPIO
+ depends on SPI_MASTER || I2C
+ select GPIOLIB_IRQCHIP
+ select REGMAP_I2C if I2C
+ select REGMAP_SPI if SPI_MASTER
+ help
+ SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
+ I/O expanders.
+ This provides a GPIO interface supporting inputs and outputs.
+ The I2C versions of the chips can be used as interrupt-controller.
+
config PINCTRL_MESON
bool
depends on OF