ARM: imx27 DT init cpufreq-cpu0 device

Adds cpufreq-cpu0 platform device for imx27 DT init and adds a clock
registration for cpufreq-cpu0 device.
Signed-off-by: NMarkus Pargmann <mpa@pengutronix.de>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/mach-imx/clk-imx27.c

@@ -285,7 +285,7 @@ int __init mx27_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL);
 	clk_register_clkdev(clk[rtc_ipg_gate], NULL, "imx21-rtc");
 	clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL);
-	clk_register_clkdev(clk[cpu_div], "cpu", NULL);
+	clk_register_clkdev(clk[cpu_div], NULL, "cpufreq-cpu0.0");
 	clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL);
 
 	mxc_timer_init(MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), MX27_INT_GPT1);

arch/arm/mach-imx/imx27-dt.c

@@ -20,7 +20,11 @@
 
 static void __init imx27_dt_init(void)
 {
+	struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+	platform_device_register_full(&devinfo);
 }
 
 static const char * const imx27_dt_board_compat[] __initconst = {