twl4030-regulator: expose VPLL2

Add VPLL2 to the set of twl4030-family regulators exposed for
use by various drivers.  It's commonly used to power the digital
video outputs (e.g. LCD or DVI displays) on OMAP3 systems.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/mfd/twl4030-core.c

@@ -592,11 +592,9 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 
 	/* maybe add LDOs that are omitted on cost-reduced parts */
 	if (twl_has_regulator() && !(features & TPS_SUBSET)) {
-		/*
 		child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2);
 		if (IS_ERR(child))
 			return PTR_ERR(child);
-		*/
 
 		child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2);
 		if (IS_ERR(child))

drivers/regulator/twl4030-regulator.c

@@ -396,8 +396,8 @@ static struct twlreg_info twl4030_regs[] = {
 	TWL_ADJUSTABLE_LDO(VMMC2, 0x2b, 6),
 	/*
 	TWL_ADJUSTABLE_LDO(VPLL1, 0x2f, 7),
-	TWL_ADJUSTABLE_LDO(VPLL2, 0x33, 8),
 	*/
+	TWL_ADJUSTABLE_LDO(VPLL2, 0x33, 8),
 	TWL_ADJUSTABLE_LDO(VSIM, 0x37, 9),
 	TWL_ADJUSTABLE_LDO(VDAC, 0x3b, 10),
 	/*