From c3796b25f358ed5e216b087155de729ab77af9e8 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@beagleboard.org>
Date: Wed, 12 Jan 2011 00:23:29 +0000
Subject: [PATCH] --- yaml --- r: 231121 b: refs/heads/master c:
 1bd9ef198498e3e00c9d78a1566338f7ea2e4bb5 h: refs/heads/master i:   231119:
 70eded36df2086b435b9aea2f935d54fe5083086 v: v3

---
 [refs]                                        |  2 +-
 trunk/arch/arm/mach-omap2/board-omap3beagle.c | 42 +++++++++++++++++--
 2 files changed, 40 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index dc52e7bbd77d..f1725134b167 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0f7e2aaa03ea3f2393d3446c686036ce51298d3e
+refs/heads/master: 1bd9ef198498e3e00c9d78a1566338f7ea2e4bb5
diff --git a/trunk/arch/arm/mach-omap2/board-omap3beagle.c b/trunk/arch/arm/mach-omap2/board-omap3beagle.c
index 673deb9189fe..2ed804073f35 100644
--- a/trunk/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/trunk/arch/arm/mach-omap2/board-omap3beagle.c
@@ -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;
 }