diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/gpio.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h index 31c820c1b79..a2747f12813 100644 --- a/arch/arm/plat-mxc/include/mach/gpio.h +++ b/arch/arm/plat-mxc/include/mach/gpio.h @@ -36,4 +36,31 @@ #define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio)) #define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) +struct mxc_gpio_port { + void __iomem *base; + int irq; + int irq_high; + int virtual_irq_start; + struct gpio_chip chip; + u32 both_edges; + spinlock_t lock; +}; + +#define DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, _irq_high) \ + { \ + .chip.label = "gpio-" #_id, \ + .irq = _irq, \ + .irq_high = _irq_high, \ + .base = soc ## _IO_ADDRESS( \ + soc ## _GPIO ## _hwid ## _BASE_ADDR), \ + .virtual_irq_start = MXC_GPIO_IRQ_START + (_id) * 32, \ + } + +#define DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, _irq) \ + DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, 0) +#define DEFINE_IMX_GPIO_PORT(soc, _id, _hwid) \ + DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, 0) + +int mxc_gpio_init(struct mxc_gpio_port*, int); + #endif |