diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/gpio.c')
| -rw-r--r-- | arch/arm/mach-ep93xx/gpio.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c index cf547ad7ebd..bec34b83495 100644 --- a/arch/arm/mach-ep93xx/gpio.c +++ b/arch/arm/mach-ep93xx/gpio.c @@ -112,13 +112,13 @@ static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc) generic_handle_irq(gpio_irq); } -static void ep93xx_gpio_irq_ack(unsigned int irq) +static void ep93xx_gpio_irq_ack(struct irq_data *d) { - int line = irq_to_gpio(irq); + int line = irq_to_gpio(d->irq); int port = line >> 3; int port_mask = 1 << (line & 7); - if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { + if ((irq_desc[d->irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { gpio_int_type2[port] ^= port_mask; /* switch edge direction */ ep93xx_gpio_update_int_params(port); } @@ -126,13 +126,13 @@ static void ep93xx_gpio_irq_ack(unsigned int irq) __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port])); } -static void ep93xx_gpio_irq_mask_ack(unsigned int irq) +static void ep93xx_gpio_irq_mask_ack(struct irq_data *d) { - int line = irq_to_gpio(irq); + int line = irq_to_gpio(d->irq); int port = line >> 3; int port_mask = 1 << (line & 7); - if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) + if ((irq_desc[d->irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) gpio_int_type2[port] ^= port_mask; /* switch edge direction */ gpio_int_unmasked[port] &= ~port_mask; @@ -141,18 +141,18 @@ static void ep93xx_gpio_irq_mask_ack(unsigned int irq) __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port])); } -static void ep93xx_gpio_irq_mask(unsigned int irq) +static void ep93xx_gpio_irq_mask(struct irq_data *d) { - int line = irq_to_gpio(irq); + int line = irq_to_gpio(d->irq); int port = line >> 3; gpio_int_unmasked[port] &= ~(1 << (line & 7)); ep93xx_gpio_update_int_params(port); } -static void ep93xx_gpio_irq_unmask(unsigned int irq) +static void ep93xx_gpio_irq_unmask(struct irq_data *d) { - int line = irq_to_gpio(irq); + int line = irq_to_gpio(d->irq); int port = line >> 3; gpio_int_unmasked[port] |= 1 << (line & 7); @@ -164,10 +164,10 @@ static void ep93xx_gpio_irq_unmask(unsigned int irq) * edge (1) triggered, while gpio_int_type2 controls whether it * triggers on low/falling (0) or high/rising (1). */ -static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type) +static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type) { - struct irq_desc *desc = irq_desc + irq; - const int gpio = irq_to_gpio(irq); + struct irq_desc *desc = irq_desc + d->irq; + const int gpio = irq_to_gpio(d->irq); const int port = gpio >> 3; const int port_mask = 1 << (gpio & 7); @@ -220,11 +220,11 @@ static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type) static struct irq_chip ep93xx_gpio_irq_chip = { .name = "GPIO", - .ack = ep93xx_gpio_irq_ack, - .mask_ack = ep93xx_gpio_irq_mask_ack, - .mask = ep93xx_gpio_irq_mask, - .unmask = ep93xx_gpio_irq_unmask, - .set_type = ep93xx_gpio_irq_type, + .irq_ack = ep93xx_gpio_irq_ack, + .irq_mask_ack = ep93xx_gpio_irq_mask_ack, + .irq_mask = ep93xx_gpio_irq_mask, + .irq_unmask = ep93xx_gpio_irq_unmask, + .irq_set_type = ep93xx_gpio_irq_type, }; void __init ep93xx_gpio_init_irq(void) @@ -427,6 +427,13 @@ void __init ep93xx_gpio_init(void) { int i; + /* Set Ports C, D, E, G, and H for GPIO use */ + ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS | + EP93XX_SYSCON_DEVCFG_GONK | + EP93XX_SYSCON_DEVCFG_EONIDE | + EP93XX_SYSCON_DEVCFG_GONIDE | + EP93XX_SYSCON_DEVCFG_HONIDE); + for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) gpiochip_add(&ep93xx_gpio_banks[i].chip); } |