aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/omap2/dss/core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/omap2/dss/core.c')
-rw-r--r--drivers/video/omap2/dss/core.c66
1 files changed, 65 insertions, 1 deletions
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 82918eec6d2..791e1cb7c0b 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -31,6 +31,7 @@
#include <linux/debugfs.h>
#include <linux/io.h>
#include <linux/device.h>
+#include <linux/regulator/consumer.h>
#include <plat/display.h>
#include <plat/clock.h>
@@ -47,6 +48,10 @@ static struct {
struct clk *dss_54m_fck;
struct clk *dss_96m_fck;
unsigned num_clks_enabled;
+
+ struct regulator *vdds_dsi_reg;
+ struct regulator *vdds_sdi_reg;
+ struct regulator *vdda_dac_reg;
} core;
static void dss_clk_enable_all_no_ctx(void);
@@ -352,6 +357,50 @@ static void dss_clk_disable_all(void)
dss_clk_disable(clks);
}
+/* REGULATORS */
+
+struct regulator *dss_get_vdds_dsi(void)
+{
+ struct regulator *reg;
+
+ if (core.vdds_dsi_reg != NULL)
+ return core.vdds_dsi_reg;
+
+ reg = regulator_get(&core.pdev->dev, "vdds_dsi");
+ if (!IS_ERR(reg))
+ core.vdds_dsi_reg = reg;
+
+ return reg;
+}
+
+struct regulator *dss_get_vdds_sdi(void)
+{
+ struct regulator *reg;
+
+ if (core.vdds_sdi_reg != NULL)
+ return core.vdds_sdi_reg;
+
+ reg = regulator_get(&core.pdev->dev, "vdds_sdi");
+ if (!IS_ERR(reg))
+ core.vdds_sdi_reg = reg;
+
+ return reg;
+}
+
+struct regulator *dss_get_vdda_dac(void)
+{
+ struct regulator *reg;
+
+ if (core.vdda_dac_reg != NULL)
+ return core.vdda_dac_reg;
+
+ reg = regulator_get(&core.pdev->dev, "vdda_dac");
+ if (!IS_ERR(reg))
+ core.vdda_dac_reg = reg;
+
+ return reg;
+}
+
/* DEBUGFS */
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
static void dss_debug_dump_clocks(struct seq_file *s)
@@ -473,7 +522,7 @@ static int omap_dss_probe(struct platform_device *pdev)
}
#endif
- r = dpi_init();
+ r = dpi_init(pdev);
if (r) {
DSSERR("Failed to initialize dpi\n");
goto fail0;
@@ -901,6 +950,21 @@ static int __init omap_dss_init(void)
static void __exit omap_dss_exit(void)
{
+ if (core.vdds_dsi_reg != NULL) {
+ regulator_put(core.vdds_dsi_reg);
+ core.vdds_dsi_reg = NULL;
+ }
+
+ if (core.vdds_sdi_reg != NULL) {
+ regulator_put(core.vdds_sdi_reg);
+ core.vdds_sdi_reg = NULL;
+ }
+
+ if (core.vdda_dac_reg != NULL) {
+ regulator_put(core.vdda_dac_reg);
+ core.vdda_dac_reg = NULL;
+ }
+
platform_driver_unregister(&omap_dss_driver);
omap_dss_bus_unregister();