OMAP4: TWL: add vdda_hdmi_dac regulator supply
HDMI requires vdda_hdmi_dac (vdac) power for operation. The regulator,
or the regulator supplying the vdac, has been enabled by default and
things have worked without the HDMI driver enabling the vdac.
I encountered the problem when implementing HDMI device tree support,
where the regulator was not enabled by default.
This patch adds the vdda_hdmi_dac to twl-common.c so that the HDMI
driver can use it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index db5ff66..9bf8a89 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -258,6 +258,10 @@
.phy_suspend = omap4430_phy_suspend,
};
+static struct regulator_consumer_supply omap4_vdda_hdmi_dac_supplies[] = {
+ REGULATOR_SUPPLY("vdda_hdmi_dac", "omapdss_hdmi"),
+};
+
static struct regulator_init_data omap4_vdac_idata = {
.constraints = {
.min_uV = 1800000,
@@ -267,6 +271,8 @@
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
+ .num_consumer_supplies = ARRAY_SIZE(omap4_vdda_hdmi_dac_supplies),
+ .consumer_supplies = omap4_vdda_hdmi_dac_supplies,
.supply_regulator = "V2V1",
};