ARM: OMAP5: set mmc clock frequency to 192MHz

Now that omap_hsmmc has support for hs200 mode, change the clock
frequency to 192MHz. Also change the REFERENCE CLOCK frequency to
192MHz based on which the internal mmc clock divider is calculated.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

arch/arm/include/asm/arch-omap5/clock.h

@@ -135,7 +135,7 @@
 
 /* CM_L3INIT_HSMMCn_CLKCTRL */
 #define HSMMC_CLKCTRL_CLKSEL_MASK		(1 << 24)
-#define HSMMC_CLKCTRL_CLKSEL_DIV_MASK		(1 << 25)
+#define HSMMC_CLKCTRL_CLKSEL_DIV_MASK		(3 << 25)
 
 /* CM_L3INIT_SATA_CLKCTRL */
 #define SATA_CLKCTRL_OPTFCLKEN_MASK		(1 << 8)

arch/arm/include/asm/omap_mmc.h

@@ -199,7 +199,11 @@ struct omap_hsmmc_plat {
 #define MMC_CMD0	(INDEX(0)  | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
 
 /* Clock Configurations and Macros */
+#ifdef CONFIG_OMAP54XX
+#define MMC_CLOCK_REFERENCE	192 /* MHz */
+#else
 #define MMC_CLOCK_REFERENCE	96 /* MHz */
+#endif
 
 /* DLL */
 #define DLL_SWT			BIT(20)

arch/arm/mach-omap2/omap5/hw_data.c

@@ -438,17 +438,17 @@ void enable_basic_clocks(void)
 	setbits_le32((*prcm)->cm_l4per_gpio4_clkctrl,
 			GPIO4_CLKCTRL_OPTFCLKEN_MASK);
 
-	/* Enable 96 MHz clock for MMC1 & MMC2 */
+	/* Enable 192 MHz clock for MMC1 & MMC2 */
 	setbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl,
 			HSMMC_CLKCTRL_CLKSEL_MASK);
 	setbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl,
 			HSMMC_CLKCTRL_CLKSEL_MASK);
 
 	/* Set the correct clock dividers for mmc */
-	setbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl,
-			HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
-	setbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl,
-			HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
+	clrbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl,
+		     HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
+	clrbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl,
+		     HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
 
 	/* Select 32KHz clock as the source of GPTIMER1 */
 	setbits_le32((*prcm)->cm_wkup_gptimer1_clkctrl,