OMAP4: clock data: Fix max mult and div for USB DPLL

The DPLL USB can generate higher speed (x2) than the regular ones.
The max multiplication value is then twice the previous value.

Fix both max_mult and max_div with that correct values.

Change the max_div variable type to u16 to allow storing up to 256.

Replace as well the define with the value to avoid
unneeded indirection and provide a better readability.

Remove the defines that become useless.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

3 files changed, 15 insertions, 23 deletions

diff --git a/arch/arm/mach-omap2/clock44xx.h b/arch/arm/mach-omap2/clock44xx.h
index 6be1095936db..7ceb870e7ab8 100644
--- a/arch/arm/mach-omap2/clock44xx.h
+++ b/arch/arm/mach-omap2/clock44xx.h
@@ -8,13 +8,6 @@
 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
 #define __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
 
-/*
- * XXX Missing values for the OMAP4 DPLL_USB
- * XXX Missing min_multiplier values for all OMAP4 DPLLs
- */
-#define OMAP4430_MAX_DPLL_MULT  2047
-#define OMAP4430_MAX_DPLL_DIV   128
-
 int omap4xxx_clk_init(void);
 
 #endif
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 4b57d55f5a11..8307c9ebd309 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -258,8 +258,8 @@ static struct dpll_data dpll_abe_dd = {
         .enable_mask    = OMAP4430_DPLL_EN_MASK,
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 2047,
+        .max_divider    = 128,
         .min_divider    = 1,
 };
 
@@ -434,8 +434,8 @@ static struct dpll_data dpll_core_dd = {
         .enable_mask    = OMAP4430_DPLL_EN_MASK,
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 2047,
+        .max_divider    = 128,
         .min_divider    = 1,
 };
 
@@ -672,8 +672,8 @@ static struct dpll_data dpll_iva_dd = {
         .enable_mask    = OMAP4430_DPLL_EN_MASK,
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 2047,
+        .max_divider    = 128,
         .min_divider    = 1,
 };
 
@@ -740,8 +740,8 @@ static struct dpll_data dpll_mpu_dd = {
         .enable_mask    = OMAP4430_DPLL_EN_MASK,
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 2047,
+        .max_divider    = 128,
         .min_divider    = 1,
 };
 
@@ -813,8 +813,8 @@ static struct dpll_data dpll_per_dd = {
         .enable_mask    = OMAP4430_DPLL_EN_MASK,
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 2047,
+        .max_divider    = 128,
         .min_divider    = 1,
 };
 
@@ -949,9 +949,8 @@ static struct dpll_data dpll_unipro_dd = {
         .enable_mask    = OMAP4430_DPLL_EN_MASK,
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
-        .sddiv_mask     = OMAP4430_DPLL_SD_DIV_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 2047,
+        .max_divider    = 128,
         .min_divider    = 1,
 };
 
@@ -1017,8 +1016,8 @@ static struct dpll_data dpll_usb_dd = {
         .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
         .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
         .sddiv_mask     = OMAP4430_DPLL_SD_DIV_MASK,
-        .max_multiplier = OMAP4430_MAX_DPLL_MULT,
-        .max_divider    = OMAP4430_MAX_DPLL_DIV,
+        .max_multiplier = 4095,
+        .max_divider    = 256,
         .min_divider    = 1,
 };
 
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 006e599c6613..f57e0649ab30 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -152,7 +152,7 @@ struct dpll_data {
         u16                     max_multiplier;
         u8                      last_rounded_n;
         u8                      min_divider;
-        u8                      max_divider;
+        u16                     max_divider;
         u8                      modes;
 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
         void __iomem            *autoidle_reg;