ARM: OMAP3: use clock data from TI clock driver for legacy boot

As the clock data is now available for the legacy boot also from the
clock driver, use this rather than the data under the mach folder.
This allows us to get rid of the old clock data completely.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index a1bd6af..25ea1b1 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -461,7 +461,17 @@
 	omap3xxx_clockdomains_init();
 	omap3xxx_hwmod_init();
 	omap_hwmod_init_postsetup();
-	omap_clk_soc_init = omap3xxx_clk_init;
+	if (!of_have_populated_dt()) {
+		omap3_prcm_legacy_iomaps_init();
+		if (soc_is_am35xx())
+			omap_clk_soc_init = am35xx_clk_legacy_init;
+		else if (cpu_is_omap3630())
+			omap_clk_soc_init = omap36xx_clk_legacy_init;
+		else if (omap_rev() == OMAP3430_REV_ES1_0)
+			omap_clk_soc_init = omap3430es1_clk_legacy_init;
+		else
+			omap_clk_soc_init = omap3430_clk_legacy_init;
+	}
 }
 
 void __init omap3430_init_early(void)
@@ -509,8 +519,6 @@
 	omap_hwmod_init_postsetup();
 	if (of_have_populated_dt())
 		omap_clk_soc_init = ti81xx_dt_clk_init;
-	else
-		omap_clk_soc_init = omap3xxx_clk_init;
 }
 
 void __init omap3_init_late(void)
@@ -731,15 +739,17 @@
 
 	ti_clk_init_features();
 
-	ret = of_prcm_init();
-	if (ret)
-		return ret;
+	if (of_have_populated_dt()) {
+		ret = of_prcm_init();
+		if (ret)
+			return ret;
 
-	of_clk_init(NULL);
+		of_clk_init(NULL);
 
-	ti_dt_clk_init_retry_clks();
+		ti_dt_clk_init_retry_clks();
 
-	ti_dt_clockdomains_setup();
+		ti_dt_clockdomains_setup();
+	}
 
 	ret = omap_clk_soc_init();