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authorPeter Hung <hpeter@gmail.com>2016-01-22 10:23:33 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-28 12:06:12 +0300
commit1920906f59652b9ac45dff69d56044a98b11233b (patch)
tree28f9ffd84a1c6a2853fafd1e3c7b1f3f86e5bddd
parent1b06d64f73746c30ddba43bb57c30ba9a126f53b (diff)
downloadlinux-1920906f59652b9ac45dff69d56044a98b11233b.tar.xz
gpio-f7188x: Add F81866 GPIO supports
Add F81866 GPIO supports Fintek F81866 is a SuperIO. It contains HWMON/GPIO/Serial Ports. and it has totally 72(9x8 sets) gpio pins. Here is the PDF spec: http://www.alldatasheet.com/datasheet-pdf/pdf/459085/FINTEK/F81866AD-I.html The control method is the same with F7188x, but we should care the address of GPIO8x. GPIO address is below: GPIO0x based: 0xf0 GPIO1x based: 0xe0 GPIO2x based: 0xd0 GPIO3x based: 0xc0 GPIO4x based: 0xb0 GPIO5x based: 0xa0 GPIO6x based: 0x90 GPIO7x based: 0x80 GPIO8x based: 0x88 <-- not 0x70. Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com> Acked-by: Simon Guinot <simon.guinot@sequanux.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/gpio/Kconfig4
-rw-r--r--drivers/gpio/gpio-f7188x.c27
2 files changed, 26 insertions, 5 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 5e317486a8cc..f9f52ec549b7 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -515,10 +515,10 @@ config GPIO_104_IDI_48
via the idi_48_irq module parameter.
config GPIO_F7188X
- tristate "F71869, F71869A, F71882FG and F71889F GPIO support"
+ tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
help
This option enables support for GPIOs found on Fintek Super-I/O
- chips F71869, F71869A, F71882FG and F71889F.
+ chips F71869, F71869A, F71882FG, F71889F and F81866.
To compile this driver as a module, choose M here: the module will
be called f7188x-gpio.
diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c
index d62fd6bbaf82..0417798c45f1 100644
--- a/drivers/gpio/gpio-f7188x.c
+++ b/drivers/gpio/gpio-f7188x.c
@@ -1,5 +1,5 @@
/*
- * GPIO driver for Fintek Super-I/O F71869, F71869A, F71882 and F71889
+ * GPIO driver for Fintek Super-I/O F71869, F71869A, F71882, F71889 and F81866
*
* Copyright (C) 2010-2013 LaCie
*
@@ -36,14 +36,16 @@
#define SIO_F71869A_ID 0x1007 /* F71869A chipset ID */
#define SIO_F71882_ID 0x0541 /* F71882 chipset ID */
#define SIO_F71889_ID 0x0909 /* F71889 chipset ID */
+#define SIO_F81866_ID 0x1010 /* F81866 chipset ID */
-enum chips { f71869, f71869a, f71882fg, f71889f };
+enum chips { f71869, f71869a, f71882fg, f71889f, f81866 };
static const char * const f7188x_names[] = {
"f71869",
"f71869a",
"f71882fg",
"f71889f",
+ "f81866",
};
struct f7188x_sio {
@@ -190,6 +192,18 @@ static struct f7188x_gpio_bank f71889_gpio_bank[] = {
F7188X_GPIO_BANK(70, 8, 0x80),
};
+static struct f7188x_gpio_bank f81866_gpio_bank[] = {
+ F7188X_GPIO_BANK(0, 8, 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, 8, 0xA0),
+ F7188X_GPIO_BANK(60, 8, 0x90),
+ F7188X_GPIO_BANK(70, 8, 0x80),
+ F7188X_GPIO_BANK(80, 8, 0x88),
+};
+
static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
int err;
@@ -318,6 +332,10 @@ static int f7188x_gpio_probe(struct platform_device *pdev)
data->nr_bank = ARRAY_SIZE(f71889_gpio_bank);
data->bank = f71889_gpio_bank;
break;
+ case f81866:
+ data->nr_bank = ARRAY_SIZE(f81866_gpio_bank);
+ data->bank = f81866_gpio_bank;
+ break;
default:
return -ENODEV;
}
@@ -395,6 +413,9 @@ static int __init f7188x_find(int addr, struct f7188x_sio *sio)
case SIO_F71889_ID:
sio->type = f71889f;
break;
+ case SIO_F81866_ID:
+ sio->type = f81866;
+ break;
default:
pr_info(DRVNAME ": Unsupported Fintek device 0x%04x\n", devid);
goto err;
@@ -485,6 +506,6 @@ static void __exit f7188x_gpio_exit(void)
}
module_exit(f7188x_gpio_exit);
-MODULE_DESCRIPTION("GPIO driver for Super-I/O chips F71869, F71869A, F71882FG and F71889F");
+MODULE_DESCRIPTION("GPIO driver for Super-I/O chips F71869, F71869A, F71882FG, F71889F and F81866");
MODULE_AUTHOR("Simon Guinot <simon.guinot@sequanux.org>");
MODULE_LICENSE("GPL");