OMAP4: TWL: Add common omapdss supplies

OMAP DSS normally gets power from VCXIO on OMAP4. Add configuration for
this into twl-common.c

Mark VCXIO as always_on, as VCXIO is used by multiple components,
including the MPU, and turning it off when DSS doesn't need it would
lead the device to halt.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 4f6d2164e8cf..522435772168 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -235,6 +235,12 @@ static struct regulator_init_data omap4_vana_idata = {
         },
 };
 
+static struct regulator_consumer_supply omap4_vcxio_supply[] = {
+        REGULATOR_SUPPLY("vdds_dsi", "omapdss_dss"),
+        REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
+        REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.1"),
+};
+
 static struct regulator_init_data omap4_vcxio_idata = {
         .constraints = {
                 .min_uV                 = 1800000,
@@ -243,7 +249,10 @@ static struct regulator_init_data omap4_vcxio_idata = {
                                         | REGULATOR_MODE_STANDBY,
                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                         | REGULATOR_CHANGE_STATUS,
+                .always_on              = true,
         },
+        .num_consumer_supplies  = ARRAY_SIZE(omap4_vcxio_supply),
+        .consumer_supplies      = omap4_vcxio_supply,
 };
 
 static struct regulator_init_data omap4_vusb_idata = {