diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpio/mxc_gpio.c (renamed from drivers/gpio/mx31_gpio.c) | 47 |
2 files changed, 34 insertions, 15 deletions
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 07d395d898..a0f455223b 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -27,7 +27,7 @@ LIB := $(obj)libgpio.a COBJS-$(CONFIG_AT91_GPIO) += at91_gpio.o COBJS-$(CONFIG_KIRKWOOD_GPIO) += kw_gpio.o -COBJS-$(CONFIG_MX31_GPIO) += mx31_gpio.o +COBJS-$(CONFIG_MXC_GPIO) += mxc_gpio.o COBJS-$(CONFIG_PCA953X) += pca953x.o COBJS-$(CONFIG_S5P) += s5p_gpio.o diff --git a/drivers/gpio/mx31_gpio.c b/drivers/gpio/mxc_gpio.c index b07f038156..663141f1b4 100644 --- a/drivers/gpio/mx31_gpio.c +++ b/drivers/gpio/mxc_gpio.c @@ -21,19 +21,29 @@ * MA 02111-1307 USA */ #include <common.h> -#include <asm/arch/mx31.h> +#ifdef CONFIG_MX31 #include <asm/arch/mx31-regs.h> +#endif +#ifdef CONFIG_MX51 +#include <asm/arch/imx-regs.h> +#endif +#include <asm/io.h> +#include <mxc_gpio.h> /* GPIO port description */ static unsigned long gpio_ports[] = { - [0] = GPIO1_BASE, - [1] = GPIO2_BASE, - [2] = GPIO3_BASE, + [0] = GPIO1_BASE_ADDR, + [1] = GPIO2_BASE_ADDR, + [2] = GPIO3_BASE_ADDR, +#ifdef CONFIG_MX51 + [3] = GPIO4_BASE_ADDR, +#endif }; -int mx31_gpio_direction(unsigned int gpio, enum mx31_gpio_direction direction) +int mxc_gpio_direction(unsigned int gpio, enum mxc_gpio_direction direction) { unsigned int port = gpio >> 5; + struct gpio_regs *regs; u32 l; if (port >= ARRAY_SIZE(gpio_ports)) @@ -41,22 +51,26 @@ int mx31_gpio_direction(unsigned int gpio, enum mx31_gpio_direction direction) gpio &= 0x1f; - l = __REG(gpio_ports[port] + GPIO_GDIR); + regs = (struct gpio_regs *)gpio_ports[port]; + + l = readl(®s->gpio_dir); + switch (direction) { - case MX31_GPIO_DIRECTION_OUT: + case MXC_GPIO_DIRECTION_OUT: l |= 1 << gpio; break; - case MX31_GPIO_DIRECTION_IN: + case MXC_GPIO_DIRECTION_IN: l &= ~(1 << gpio); } - __REG(gpio_ports[port] + GPIO_GDIR) = l; + writel(l, ®s->gpio_dir); return 0; } -void mx31_gpio_set(unsigned int gpio, unsigned int value) +void mxc_gpio_set(unsigned int gpio, unsigned int value) { unsigned int port = gpio >> 5; + struct gpio_regs *regs; u32 l; if (port >= ARRAY_SIZE(gpio_ports)) @@ -64,17 +78,20 @@ void mx31_gpio_set(unsigned int gpio, unsigned int value) gpio &= 0x1f; - l = __REG(gpio_ports[port] + GPIO_DR); + regs = (struct gpio_regs *)gpio_ports[port]; + + l = readl(®s->gpio_dr); if (value) l |= 1 << gpio; else l &= ~(1 << gpio); - __REG(gpio_ports[port] + GPIO_DR) = l; + writel(l, ®s->gpio_dr); } -int mx31_gpio_get(unsigned int gpio) +int mxc_gpio_get(unsigned int gpio) { unsigned int port = gpio >> 5; + struct gpio_regs *regs; u32 l; if (port >= ARRAY_SIZE(gpio_ports)) @@ -82,7 +99,9 @@ int mx31_gpio_get(unsigned int gpio) gpio &= 0x1f; - l = (__REG(gpio_ports[port] + GPIO_DR) >> gpio) & 0x01; + regs = (struct gpio_regs *)gpio_ports[port]; + + l = (readl(®s->gpio_dr) >> gpio) & 0x01; return l; } |
