mach-omap2: add AM335x Display PLL register definition

Adds the register definition of the Display DPLL

Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>

arch/arm/include/asm/arch-am33xx/clock.h

@@ -104,6 +104,7 @@ extern const struct dpll_regs dpll_mpu_regs;
 extern const struct dpll_regs dpll_core_regs;
 extern const struct dpll_regs dpll_per_regs;
 extern const struct dpll_regs dpll_ddr_regs;
+extern const struct dpll_regs dpll_disp_regs;
 extern const struct dpll_params dpll_mpu_opp[NUM_CRYSTAL_FREQ][NUM_OPPS];
 extern const struct dpll_params dpll_core_1000MHz[NUM_CRYSTAL_FREQ];
 extern const struct dpll_params dpll_per_192MHz[NUM_CRYSTAL_FREQ];

arch/arm/mach-omap2/am33xx/clock_am33xx.c

@@ -52,6 +52,13 @@ const struct dpll_regs dpll_ddr_regs = {
 	.cm_div_m2_dpll		= CM_WKUP + 0xA0,
 };
 
+const struct dpll_regs dpll_disp_regs = {
+	.cm_clkmode_dpll	= CM_WKUP + 0x98,
+	.cm_idlest_dpll		= CM_WKUP + 0x48,
+	.cm_clksel_dpll		= CM_WKUP + 0x54,
+	.cm_div_m2_dpll		= CM_WKUP + 0xA4,
+};
+
 struct dpll_params dpll_mpu_opp100 = {
 		CONFIG_SYS_MPUCLK, OSC-1, 1, -1, -1, -1, -1};
 const struct dpll_params dpll_core_opp100 = {