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: Andreas Bofjall <andreas@gazonk.org>
Tested-by: Les Schaffer <schaffer@optonline.net>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 24 insertions, 5 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f563c883b887..0078cf045e71 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -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.
diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c
index fbd954ee5468..ac677bfeaa4d 100644
--- a/drivers/gpio/gpio-f7188x.c
+++ b/drivers/gpio/gpio-f7188x.c
@@ -1,5 +1,5 @@
 /*
- * 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");