@@ -273,6 +273,8 @@ static struct gpio_led gpio_leds[];
static int beagle_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
+ int r;
+
if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
mmc[0].gpio_wp = -EINVAL;
} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
@@ -293,9 +295,16 @@ static int beagle_twl_gpio_setup(struct device *dev,
/* REVISIT: need ehci-omap hooks for external VBUS
* power switch and overcurrent detect
*/
-
- gpio_request(gpio + 1, "EHCI_nOC");
- gpio_direction_input(gpio + 1);
+ if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
+ r = gpio_request(gpio + 1, "EHCI_nOC");
+ if (!r) {
+ r = gpio_direction_input(gpio + 1);
+ if (r)
+ gpio_free(gpio + 1);
+ }
+ if (r)
+ pr_err("%s: unable to configure EHCI_nOC\n", __func__);
+ }
/*
* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
@@ -316,6 +325,33 @@ static int beagle_twl_gpio_setup(struct device *dev,
/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+ /*
+ * gpio + 1 on Xm controls the TFP410's enable line (active low)
+ * gpio + 2 control varies depending on the board rev as follows:
+ * P7/P8 revisions(prototype): Camera EN
+ * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
+ */
+ if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
+ r = gpio_request(gpio + 1, "nDVI_PWR_EN");
+ if (!r) {
+ r = gpio_direction_output(gpio + 1, 0);
+ if (r)
+ gpio_free(gpio + 1);
+ }
+ if (r)
+ pr_err("%s: unable to configure nDVI_PWR_EN\n",
+ __func__);
+ r = gpio_request(gpio + 2, "DVI_LDO_EN");
+ if (!r) {
+ r = gpio_direction_output(gpio + 2, 1);
+ if (r)
+ gpio_free(gpio + 2);
+ }
+ if (r)
+ pr_err("%s: unable to configure DVI_LDO_EN\n",
+ __func__);
+ }
+
return 0;
}