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Diffstat (limited to 'arch/arm/plat-omap/gpio.c')
-rw-r--r--arch/arm/plat-omap/gpio.c40
1 files changed, 27 insertions, 13 deletions
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 55059a24ad4..76f721d8513 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -140,7 +140,7 @@ static struct gpio_bank gpio_bank_1610[5] = {
};
#endif
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
static struct gpio_bank gpio_bank_1510[2] = {
{ OMAP_MPUIO_BASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1510 }
@@ -173,7 +173,7 @@ static int gpio_bank_count;
static inline struct gpio_bank *get_gpio_bank(int gpio)
{
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
if (OMAP_GPIO_IS_MPUIO(gpio))
return &gpio_bank[0];
@@ -222,7 +222,7 @@ static inline int gpio_valid(int gpio)
return -1;
return 0;
}
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510() && gpio < 16)
return 0;
#endif
@@ -654,7 +654,7 @@ int omap_request_gpio(int gpio)
/* Set trigger to none. You need to enable the trigger after request_irq */
_set_gpio_triggering(bank, get_gpio_index(gpio), IRQT_NOEDGE);
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
if (bank->method == METHOD_GPIO_1510) {
void __iomem *reg;
@@ -739,7 +739,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
bank = (struct gpio_bank *) desc->data;
if (bank->method == METHOD_MPUIO)
isr_reg = bank->base + OMAP_MPUIO_GPIO_INT;
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
if (bank->method == METHOD_GPIO_1510)
isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS;
#endif
@@ -774,7 +774,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
d = irq_desc + gpio_irq;
desc_handle_irq(gpio_irq, d, regs);
}
- }
+ }
}
static void gpio_ack_irq(unsigned int irq)
@@ -837,8 +837,9 @@ static struct irqchip mpuio_irq_chip = {
.unmask = mpuio_unmask_irq
};
-static int initialized = 0;
-static struct clk * gpio_ck = NULL;
+static int initialized;
+static struct clk * gpio_ick;
+static struct clk * gpio_fck;
static int __init _omap_gpio_init(void)
{
@@ -848,14 +849,26 @@ static int __init _omap_gpio_init(void)
initialized = 1;
if (cpu_is_omap1510()) {
- gpio_ck = clk_get(NULL, "arm_gpio_ck");
- if (IS_ERR(gpio_ck))
+ gpio_ick = clk_get(NULL, "arm_gpio_ck");
+ if (IS_ERR(gpio_ick))
printk("Could not get arm_gpio_ck\n");
else
- clk_use(gpio_ck);
+ clk_use(gpio_ick);
+ }
+ if (cpu_is_omap24xx()) {
+ gpio_ick = clk_get(NULL, "gpios_ick");
+ if (IS_ERR(gpio_ick))
+ printk("Could not get gpios_ick\n");
+ else
+ clk_use(gpio_ick);
+ gpio_fck = clk_get(NULL, "gpios_fck");
+ if (IS_ERR(gpio_ick))
+ printk("Could not get gpios_fck\n");
+ else
+ clk_use(gpio_fck);
}
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
printk(KERN_INFO "OMAP1510 GPIO hardware\n");
gpio_bank_count = 2;
@@ -901,7 +914,7 @@ static int __init _omap_gpio_init(void)
if (bank->method == METHOD_MPUIO) {
omap_writew(0xFFFF, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_MASKIT);
}
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
if (bank->method == METHOD_GPIO_1510) {
__raw_writew(0xffff, bank->base + OMAP1510_GPIO_INT_MASK);
__raw_writew(0x0000, bank->base + OMAP1510_GPIO_INT_STATUS);
@@ -1038,6 +1051,7 @@ static struct sys_device omap_gpio_device = {
/*
* This may get called early from board specific init
+ * for boards that have interrupts routed via FPGA.
*/
int omap_gpio_init(void)
{