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pinctrl: microchip-sgpio: allow sgpio driver to be used as a module 

As the commit message suggests, this simply adds the ability to select
SGPIO pinctrl as a module. This becomes more practical when the SGPIO
hardware exists on an external chip, controlled indirectly by I2C or SPI.
This commit enables that level of control.

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220905162132.2943088-5-colin.foster@in-advantage.com
This commit is contained in:
Colin Foster 2022-09-05 09:21:28 -07:00 committed by Lee Jones
parent 181f604b33
commit 2f65923c50
2 changed files with 9 additions and 2 deletions
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5
drivers/pinctrl/Kconfig
View File

@ -292,7 +292,7 @@ config PINCTRL_MCP23S08
corresponding interrupt-controller.
config PINCTRL_MICROCHIP_SGPIO
bool "Pinctrl driver for Microsemi/Microchip Serial GPIO"
tristate "Pinctrl driver for Microsemi/Microchip Serial GPIO"
depends on OF
depends on HAS_IOMEM
select GPIOLIB
@ -310,6 +310,9 @@ config PINCTRL_MICROCHIP_SGPIO
connect control signals from SFP modules and to act as an
LED controller.
If compiled as a module, the module name will be
pinctrl-microchip-sgpio.
config PINCTRL_OCELOT
tristate "Pinctrl driver for the Microsemi Ocelot and Jaguar2 SoCs"
depends on OF

6
drivers/pinctrl/pinctrl-microchip-sgpio.c
View File

@ -999,6 +999,7 @@ static const struct of_device_id microchip_sgpio_gpio_of_match[] = {
/* sentinel */
}
};
MODULE_DEVICE_TABLE(of, microchip_sgpio_gpio_of_match);
static struct platform_driver microchip_sgpio_pinctrl_driver = {
.driver = {
@ -1008,4 +1009,7 @@ static struct platform_driver microchip_sgpio_pinctrl_driver = {
},
.probe = microchip_sgpio_probe,
};
builtin_platform_driver(microchip_sgpio_pinctrl_driver);
module_platform_driver(microchip_sgpio_pinctrl_driver);
MODULE_DESCRIPTION("Microchip SGPIO Pinctrl Driver");
MODULE_LICENSE("GPL");