plat-nomadik: support varying number of GPIOs per block

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
[Added constant 32-pin assignment in platform data]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

3 files changed, 4 insertions, 3 deletions

diff --git a/arch/arm/mach-ux500/devices-common.c b/arch/arm/mach-ux500/devices-common.c
index fe69f5fac1bb..13a4ce046ae5 100644
--- a/arch/arm/mach-ux500/devices-common.c
+++ b/arch/arm/mach-ux500/devices-common.c
@@ -139,6 +139,7 @@ void dbx500_add_gpios(resource_size_t *base, int num, int irq,
         for (i = 0; i < num; i++, first += 32, irq++) {
                 pdata->first_gpio = first;
                 pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
+                pdata->num_gpio = 32;
 
                 dbx500_add_gpio(i, base[i], irq, pdata);
         }
diff --git a/arch/arm/plat-nomadik/gpio.c b/arch/arm/plat-nomadik/gpio.c
index 1e88ecb846d1..30bb92a746e1 100644
--- a/arch/arm/plat-nomadik/gpio.c
+++ b/arch/arm/plat-nomadik/gpio.c
@@ -35,7 +35,6 @@
  * Symbols in this file are called "nmk_gpio" for "nomadik gpio"
  */
 
-#define NMK_GPIO_PER_CHIP 32
 struct nmk_gpio_chip {
         struct gpio_chip chip;
         void __iomem *addr;
@@ -546,7 +545,7 @@ static int nmk_gpio_init_irq(struct nmk_gpio_chip *nmk_chip)
         int i;
 
         first_irq = NOMADIK_GPIO_TO_IRQ(nmk_chip->chip.base);
-        for (i = first_irq; i < first_irq + NMK_GPIO_PER_CHIP; i++) {
+        for (i = first_irq; i < first_irq + nmk_chip->chip.ngpio; i++) {
                 set_irq_chip(i, &nmk_gpio_irq_chip);
                 set_irq_handler(i, handle_edge_irq);
                 set_irq_flags(i, IRQF_VALID);
@@ -612,7 +611,6 @@ static struct gpio_chip nmk_gpio_template = {
         .direction_output       = nmk_gpio_make_output,
         .set                    = nmk_gpio_set_output,
         .to_irq                 = nmk_gpio_to_irq,
-        .ngpio                  = NMK_GPIO_PER_CHIP,
         .can_sleep              = 0,
 };
 
@@ -672,6 +670,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
 
         chip = &nmk_chip->chip;
         chip->base = pdata->first_gpio;
+        chip->ngpio = pdata->num_gpio;
         chip->label = pdata->name ?: dev_name(&dev->dev);
         chip->dev = &dev->dev;
         chip->owner = THIS_MODULE;
diff --git a/arch/arm/plat-nomadik/include/plat/gpio.h b/arch/arm/plat-nomadik/include/plat/gpio.h
index 67b113d639d8..d745f3ac0a61 100644
--- a/arch/arm/plat-nomadik/include/plat/gpio.h
+++ b/arch/arm/plat-nomadik/include/plat/gpio.h
@@ -82,6 +82,7 @@ struct nmk_gpio_platform_data {
         char *name;
         int first_gpio;
         int first_irq;
+        int num_gpio;
 };
 
 #endif /* __ASM_PLAT_GPIO_H */