int mxs_mmc_hw_init_mmc0(void)
{
int ret = 0;
mxs_request_pins(mx23evk_mmc_pins, ARRAY_SIZE(mx23evk_mmc_pins));
/* Configure write protect GPIO pin */
ret = gpio_request(MMC0_WP, "mmc0_wp");
if (ret) {
pr_err("wp\n");
goto out_wp;
}
gpio_set_value(MMC0_WP, 0);
gpio_direction_input(MMC0_WP);
/* Configure POWER pin as gpio to drive power to MMC slot */
ret = gpio_request(MMC0_POWER, "mmc0_power");
if (ret) {
pr_err("power\n");
goto out_power;
}
gpio_direction_output(MMC0_POWER, 0);
mdelay(100);
return 0;
out_power:
gpio_free(MMC0_WP);
out_wp:
mxs_release_pins(mx23evk_mmc_pins, ARRAY_SIZE(mx23evk_mmc_pins));
return ret;
}
int mxs_spi_enc_pin_init(void)
{
unsigned gpio = MXS_PIN_TO_GPIO(PINID_SSP1_DATA1);
mxs_request_pins(mx23evk_spi_pins, ARRAY_SIZE(mx23evk_spi_pins));
gpio_request(gpio, "ENC28J60_INTR");
gpio_direction_input(gpio);
set_irq_type(gpio_to_irq(gpio), IRQ_TYPE_EDGE_FALLING);
return 0;
}
int msg2133_pin_init(void)
{
mxs_request_pins(msg2133_ts_pins, ARRAY_SIZE(msg2133_ts_pins));
#ifdef __hcit__
unsigned int irq_gpio = MXS_PIN_TO_GPIO(PINID_SSP1_DATA1);
unsigned int reset_gpio = MXS_PIN_TO_GPIO(PINID_SSP1_DATA2);
gpio_request(irq_gpio, "msg2133_irq");
gpio_request(reset_gpio, "msg2133_reset");
gpio_direction_output(reset_gpio, 0);
gpio_direction_input(irq_gpio);
printk ("%s: set_irq_type EDGE_FAILLING: irq_gpio: %d, to_irq: %d\n",
__FUNCTION__, irq_gpio, gpio_to_irq(irq_gpio));
set_irq_type(gpio_to_irq(irq_gpio), IRQ_TYPE_EDGE_FALLING);
#endif
return 0;
}
int mxs_spi_fpc1080_pin_init(void)
{
mxs_request_pins(mx23evk_spi_pins, ARRAY_SIZE(mx23evk_spi_pins));
mxs_request_pins(fpc1080_input_pins, ARRAY_SIZE(fpc1080_input_pins));
return 0;
}
void __init mx23evk_pins_init(void)
{
mxs_request_pins(mx23evk_fixed_pins, ARRAY_SIZE(mx23evk_fixed_pins));
// mxs_request_pins(mx23evk_spi_pins, ARRAY_SIZE(mx23evk_spi_pins));
}
