ARM: imx: add common clock support for pllv3

This PLL is found on i.MX6 SoCs

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/mach-imx/clk.h

@@ -11,6 +11,19 @@ struct clk *imx_clk_pllv1(const char *name, const char *parent,
 struct clk *imx_clk_pllv2(const char *name, const char *parent,
 		void __iomem *base);
 
+enum imx_pllv3_type {
+	IMX_PLLV3_GENERIC,
+	IMX_PLLV3_SYS,
+	IMX_PLLV3_USB,
+	IMX_PLLV3_AV,
+	IMX_PLLV3_ENET,
+	IMX_PLLV3_MLB,
+};
+
+struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
+		const char *parent_name, void __iomem *base, u32 gate_mask,
+		u32 div_mask);
+
 static inline struct clk *imx_clk_fixed(const char *name, int rate)
 {
 	return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);