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Commit 24ccef35 authored by Andreas Bofjall's avatar Andreas Bofjall Committed by Linus Walleij
Browse files

gpio: f7188x: add GPIO support for F71869 



Add support for the GPIOs found on the Fintek SuperI/O chip F71869, such
as the one found on the Jetway NF96u-525 motherboard, to the f7188x gpio
driver.

Signed-off-by: default avatarAndreas Bofjall <andreas@gazonk.org>
Tested-by: default avatarLes Schaffer <schaffer@optonline.net>
Reviewed-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 3f8f4f19

drivers/gpio/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -198,11 +198,11 @@ config GPIO_MM_LANTIQ 
	  created by attaching a 16bit latch to the bus.



config GPIO_F7188X

	tristate "F71882FG and F71889F GPIO support"

	tristate "F71869, F71882FG and F71889F GPIO support"

	depends on X86

	help

	  This option enables support for GPIOs found on Fintek Super-I/O

	  chips F71882FG and F71889F.

	  chips F71869, F71882FG and F71889F.



	  To compile this driver as a module, choose M here: the module will

	  be called f7188x-gpio.

drivers/gpio/gpio-f7188x.c

+22 −3
Original line number Diff line number Diff line 
/*

 * GPIO driver for Fintek Super-I/O F71882 and F71889

 * GPIO driver for Fintek Super-I/O F71869, F71882 and F71889

 *

 * Copyright (C) 2010-2013 LaCie

 *
@@ -32,12 +32,14 @@ 
#define SIO_LOCK_KEY		0xAA	/* Key to disable Super-I/O */



#define SIO_FINTEK_ID		0x1934	/* Manufacturer ID */

#define SIO_F71869_ID		0x0814	/* F71869 chipset ID */

#define SIO_F71882_ID		0x0541	/* F71882 chipset ID */

#define SIO_F71889_ID		0x0909	/* F71889 chipset ID */



enum chips { f71882fg, f71889f };

enum chips { f71869, f71882fg, f71889f };



static const char * const f7188x_names[] = {

	"f71869",

	"f71882fg",

	"f71889f",

};
@@ -146,6 +148,16 @@ static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value); 
/* Output mode register (0:open drain 1:push-pull). */

#define gpio_out_mode(base) (base + 3)



static struct f7188x_gpio_bank f71869_gpio_bank[] = {

	F7188X_GPIO_BANK(0, 6, 0xF0),

	F7188X_GPIO_BANK(10, 8, 0xE0),

	F7188X_GPIO_BANK(20, 8, 0xD0),

	F7188X_GPIO_BANK(30, 8, 0xC0),

	F7188X_GPIO_BANK(40, 8, 0xB0),

	F7188X_GPIO_BANK(50, 5, 0xA0),

	F7188X_GPIO_BANK(60, 6, 0x90),

};



static struct f7188x_gpio_bank f71882_gpio_bank[] = {

	F7188X_GPIO_BANK(0 , 8, 0xF0),

	F7188X_GPIO_BANK(10, 8, 0xE0),
@@ -281,6 +293,10 @@ static int f7188x_gpio_probe(struct platform_device *pdev) 
		return -ENOMEM;



	switch (sio->type) {

	case f71869:

		data->nr_bank = ARRAY_SIZE(f71869_gpio_bank);

		data->bank = f71869_gpio_bank;

		break;

	case f71882fg:

		data->nr_bank = ARRAY_SIZE(f71882_gpio_bank);

		data->bank = f71882_gpio_bank;
@@ -354,6 +370,9 @@ static int __init f7188x_find(int addr, struct f7188x_sio *sio) 


	devid = superio_inw(addr, SIO_DEVID);

	switch (devid) {

	case SIO_F71869_ID:

		sio->type = f71869;

		break;

	case SIO_F71882_ID:

		sio->type = f71882fg;

		break;
@@ -450,6 +469,6 @@ static void __exit f7188x_gpio_exit(void) 
}

module_exit(f7188x_gpio_exit);



MODULE_DESCRIPTION("GPIO driver for Super-I/O chips F71882FG and F71889F");

MODULE_DESCRIPTION("GPIO driver for Super-I/O chips F71869, F71882FG and F71889F");

MODULE_AUTHOR("Simon Guinot <simon.guinot@sequanux.org>");

MODULE_LICENSE("GPL");