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gpio: Build the da8xx_gpio code for the davinci644x device 

The differences include the number of GPIOs and that one is
not required to set the pinmux on request.
This commit is contained in:
Holger Hans Peter Freyther 2012-07-13 14:10:31 +02:00
parent fd70aa4146
commit 6226b0bf0b
3 changed files with 12 additions and 1 deletions
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8
arch/arm/include/asm/arch-davinci/gpio.h
View File

@ -65,9 +65,15 @@ struct davinci_gpio_bank {
#define davinci_gpio_bank67 ((struct davinci_gpio *)DAVINCI_GPIO_BANK67)
#define davinci_gpio_bank8 ((struct davinci_gpio *)DAVINCI_GPIO_BANK8)
#if defined(CONFIG_SOC_DM644X)
/* GPIO0 to GPIO53, omit the V3.3 volts one */
#define MAX_NUM_GPIOS 70
#else
#define MAX_NUM_GPIOS 144
#endif
#define gpio_status() gpio_info()
#define GPIO_NAME_SIZE 20
#define MAX_NUM_GPIOS 144
#define GPIO_BANK(gp) (davinci_gpio_bank01 + ((gp) >> 5))
#define GPIO_BIT(gp) ((gp) & 0x1F)

1
drivers/gpio/Makefile
View File

@ -39,6 +39,7 @@ COBJS-$(CONFIG_SANDBOX_GPIO) += sandbox.o
COBJS-$(CONFIG_SPEAR_GPIO) += spear_gpio.o
COBJS-$(CONFIG_TEGRA_GPIO) += tegra_gpio.o
COBJS-$(CONFIG_DA8XX_GPIO) += da8xx_gpio.o
COBJS-$(CONFIG_DM644X_GPIO) += da8xx_gpio.o
COBJS-$(CONFIG_ALTERA_PIO) += altera_pio.o
COBJS-$(CONFIG_MPC83XX_GPIO) += mpc83xx_gpio.o
COBJS-$(CONFIG_SH_GPIO_PFC) += sh_pfc.o

4
drivers/gpio/da8xx_gpio.c
View File

@ -31,6 +31,7 @@ static struct gpio_registry {
char name[GPIO_NAME_SIZE];
} gpio_registry[MAX_NUM_GPIOS];
#if defined(CONFIG_SOC_DA8XX)
#define pinmux(x) (&davinci_syscfg_regs->pinmux[x])
static const struct pinmux_config gpio_pinmux[] = {
@ -179,6 +180,9 @@ static const struct pinmux_config gpio_pinmux[] = {
{ pinmux(18), 8, 3 },
{ pinmux(18), 8, 2 },
};
#else
#define davinci_configure_pin_mux(a, b)
#endif
int gpio_request(unsigned gpio, const char *label)
{