From d9c289c5f98bb109aa7a9e5a802638ba89639e70 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Thu, 10 Mar 2011 13:15:38 +0100
Subject: [PATCH] beagleboard: hack in support from xM rev C

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
 arch/arm/mach-omap2/board-omap3beagle.c |   20 +++++++++++++-------
 1 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 6abb79a..731f4b5 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -64,6 +64,7 @@
  *	C4	= GPIO173, GPIO172, GPIO171: 1 0 1
  *	XMA	= GPIO173, GPIO172, GPIO171: 0 0 0
  *	XMB	= GPIO173, GPIO172, GPIO171: 0 0 1
+ *  XMC = GPIO173, GPIO172, GPIO171: 0 1 0
  */
 enum {
 	OMAP3BEAGLE_BOARD_UNKN = 0,
@@ -71,6 +72,7 @@ enum {
 	OMAP3BEAGLE_BOARD_C1_3,
 	OMAP3BEAGLE_BOARD_C4,
 	OMAP3BEAGLE_BOARD_XM,
+	OMAP3BEAGLE_BOARD_XMC,
 };
 
 static u8 omap3_beagle_version;
@@ -129,9 +131,13 @@ static void __init omap3_beagle_init_rev(void)
 		printk(KERN_INFO "OMAP3 Beagle Rev: xM B\n");
 		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
 		break;
+	case 2:
+		printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
+		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
+		break;
 	default:
-		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
-		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
+		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd, assuming xM C or newer\n", beagle_rev);
+		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
 	}
 
 	return;
@@ -484,7 +490,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
 {
 	int r;
 
-	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
+	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC) {
 		mmc[0].gpio_wp = -EINVAL;
 	} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
 		(omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
@@ -517,7 +523,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
 	/* REVISIT: need ehci-omap hooks for external VBUS
 	 * power switch and overcurrent detect
 	 */
-	if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
+	if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM && omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XMC) {
 		r = gpio_request(gpio + 1, "EHCI_nOC");
 		if (!r) {
 			r = gpio_direction_input(gpio + 1);
@@ -539,7 +545,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
 		gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 
 	/* DVI reset GPIO is different between beagle revisions */
-	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
+	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)
 		beagle_dvi_device.reset_gpio = 129;
 	else
 		beagle_dvi_device.reset_gpio = 170;
@@ -553,7 +559,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
 	 * P7/P8 revisions(prototype): Camera EN
 	 * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
 	 */
-	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
+	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC) {
 		r = gpio_request(gpio + 1, "nDVI_PWR_EN");
 		if (!r) {
 			r = gpio_direction_output(gpio + 1, 0);
@@ -899,7 +905,7 @@ static void __init beagle_opp_init(void)
 	}
 
 	/* Custom OPP enabled for XM */
-	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
+	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC) {
 		struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
 		struct omap_hwmod *dh = omap_hwmod_lookup("iva");
 		struct device *dev;
-- 
1.6.6.1

