drm/omap: add PLL helper funcs
Add two PLL helper functions:
dss_pll_find_by_src() which returns the dss_pll for the given
dss_clk_source.
dss_pll_get_clkout_idx_for_src() which returns the clkout index for the
given dss_clk_source.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
index 1ef53bb..57ee26e 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss.h
@@ -428,6 +428,8 @@
int dss_pll_register(struct dss_pll *pll);
void dss_pll_unregister(struct dss_pll *pll);
struct dss_pll *dss_pll_find(const char *name);
+struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src);
+unsigned dss_pll_get_clkout_idx_for_src(enum dss_clk_source src);
int dss_pll_enable(struct dss_pll *pll);
void dss_pll_disable(struct dss_pll *pll);
int dss_pll_set_config(struct dss_pll *pll,