74 files changed, 153 insertions, 732 deletions

diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt
index 9c5d19ac935c..17c1042b2df8 100644
--- a/Documentation/devicetree/bindings/serial/atmel-usart.txt
+++ b/Documentation/devicetree/bindings/serial/atmel-usart.txt
@@ -13,6 +13,8 @@ Required properties:
 Optional properties:
 - atmel,use-dma-rx: use of PDC or DMA for receiving data
 - atmel,use-dma-tx: use of PDC or DMA for transmitting data
+- rts-gpios: specify a GPIO for RTS line. It will use specified PIO instead of the peripheral
+  function pin for the USART RTS feature. If unsure, don't specify this property.
 - add dma bindings for dma transfer:
         - dmas: DMA specifier, consisting of a phandle to DMA controller node,
                 memory peripheral interface and USART DMA channel ID, FIFO configuration.
@@ -33,6 +35,7 @@ Example:
                 clock-names = "usart";
                 atmel,use-dma-rx;
                 atmel,use-dma-tx;
+                rts-gpios = <&pioD 15 0>;
         };
 
 - use DMA:
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
index 83f2aa83899c..f6fcc67ef06e 100644
--- a/arch/arm/include/asm/timex.h
+++ b/arch/arm/include/asm/timex.h
@@ -12,12 +12,6 @@
 #ifndef _ASMARM_TIMEX_H
 #define _ASMARM_TIMEX_H
 
-#ifdef CONFIG_ARCH_MULTIPLATFORM
-#define CLOCK_TICK_RATE 1000000
-#else
-#include <mach/timex.h>
-#endif
-
 typedef unsigned long cycles_t;
 #define get_cycles()    ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
 
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index e47f5fd232f5..787bb50a4dff 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -21,6 +21,7 @@
 #include <mach/at91rm9200.h>
 #include <mach/at91_st.h>
 #include <mach/cpu.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "soc.h"
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 3ebc9792560c..f3f19f21352a 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -21,6 +21,7 @@
 #include <mach/at91rm9200.h>
 #include <mach/at91rm9200_mc.h>
 #include <mach/at91_ramc.h>
+#include <mach/hardware.h>
 
 #include "board.h"
 #include "generic.h"
@@ -922,6 +923,7 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
         .use_dma_tx     = 0,
         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
@@ -960,6 +962,7 @@ static struct resource uart0_resources[] = {
 static struct atmel_uart_data uart0_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart0_dmamask = DMA_BIT_MASK(32);
@@ -987,9 +990,10 @@ static inline void configure_usart0_pins(unsigned pins)
         if (pins & ATMEL_UART_RTS) {
                 /*
                  * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
-                 *  We need to drive the pin manually.  Default is off (RTS is active low).
+                 * We need to drive the pin manually. The serial driver will driver
+                 * this to high when initializing.
                  */
-                at91_set_gpio_output(AT91_PIN_PA21, 1);
+                uart0_data.rts_gpio = AT91_PIN_PA21;
         }
 }
 
@@ -1009,6 +1013,7 @@ static struct resource uart1_resources[] = {
 static struct atmel_uart_data uart1_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart1_dmamask = DMA_BIT_MASK(32);
@@ -1060,6 +1065,7 @@ static struct resource uart2_resources[] = {
 static struct atmel_uart_data uart2_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart2_dmamask = DMA_BIT_MASK(32);
@@ -1103,6 +1109,7 @@ static struct resource uart3_resources[] = {
 static struct atmel_uart_data uart3_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart3_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index bc7b363a3083..7fd13aef9827 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -31,6 +31,7 @@
 #include <asm/mach/time.h>
 
 #include <mach/at91_st.h>
+#include <mach/hardware.h>
 
 static unsigned long last_crtr;
 static u32 irqmask;
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 6c821e562159..c3d22be73b7c 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -21,6 +21,7 @@
 #include <mach/cpu.h>
 #include <mach/at91_dbgu.h>
 #include <mach/at91sam9260.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "at91_rstc.h"
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index eda8d1679d40..2ae7715f1309 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -25,6 +25,7 @@
 #include <mach/at91_matrix.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_adc.h>
+#include <mach/hardware.h>
 
 #include "board.h"
 #include "generic.h"
@@ -819,6 +820,7 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
         .use_dma_tx     = 0,
         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
@@ -857,6 +859,7 @@ static struct resource uart0_resources[] = {
 static struct atmel_uart_data uart0_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart0_dmamask = DMA_BIT_MASK(32);
@@ -908,6 +911,7 @@ static struct resource uart1_resources[] = {
 static struct atmel_uart_data uart1_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart1_dmamask = DMA_BIT_MASK(32);
@@ -951,6 +955,7 @@ static struct resource uart2_resources[] = {
 static struct atmel_uart_data uart2_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart2_dmamask = DMA_BIT_MASK(32);
@@ -994,6 +999,7 @@ static struct resource uart3_resources[] = {
 static struct atmel_uart_data uart3_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart3_dmamask = DMA_BIT_MASK(32);
@@ -1037,6 +1043,7 @@ static struct resource uart4_resources[] = {
 static struct atmel_uart_data uart4_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart4_dmamask = DMA_BIT_MASK(32);
@@ -1075,6 +1082,7 @@ static struct resource uart5_resources[] = {
 static struct atmel_uart_data uart5_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart5_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 6276b4c1acfe..48b51f796d6a 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -20,6 +20,7 @@
 #include <asm/system_misc.h>
 #include <mach/cpu.h>
 #include <mach/at91sam9261.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "at91_rstc.h"
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index b2a34740146a..80e35895d28f 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -25,6 +25,7 @@
 #include <mach/at91sam9261_matrix.h>
 #include <mach/at91_matrix.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
 
 #include "board.h"
 #include "generic.h"
@@ -880,6 +881,7 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
         .use_dma_tx     = 0,
         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
@@ -918,6 +920,7 @@ static struct resource uart0_resources[] = {
 static struct atmel_uart_data uart0_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart0_dmamask = DMA_BIT_MASK(32);
@@ -961,6 +964,7 @@ static struct resource uart1_resources[] = {
 static struct atmel_uart_data uart1_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart1_dmamask = DMA_BIT_MASK(32);
@@ -1004,6 +1008,7 @@ static struct resource uart2_resources[] = {
 static struct atmel_uart_data uart2_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart2_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 37b90f4b990c..486530c3973b 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -19,6 +19,7 @@
 #include <asm/mach/map.h>
 #include <asm/system_misc.h>
 #include <mach/at91sam9263.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "at91_rstc.h"
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 4aeadddbc181..43d53d6156dd 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -24,6 +24,7 @@
 #include <mach/at91sam9263_matrix.h>
 #include <mach/at91_matrix.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
 
 #include "board.h"
 #include "generic.h"
@@ -1324,6 +1325,7 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
         .use_dma_tx     = 0,
         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
@@ -1362,6 +1364,7 @@ static struct resource uart0_resources[] = {
 static struct atmel_uart_data uart0_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart0_dmamask = DMA_BIT_MASK(32);
@@ -1405,6 +1408,7 @@ static struct resource uart1_resources[] = {
 static struct atmel_uart_data uart1_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart1_dmamask = DMA_BIT_MASK(32);
@@ -1448,6 +1452,7 @@ static struct resource uart2_resources[] = {
 static struct atmel_uart_data uart2_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart2_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index 0f04ffe9c5a8..0a9e2fc8f796 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -19,6 +19,7 @@
 #include <linux/of_irq.h>
 
 #include <asm/mach/time.h>
+#include <mach/hardware.h>
 
 #define AT91_PIT_MR             0x00                    /* Mode Register */
 #define         AT91_PIT_PITIEN         (1 << 25)               /* Timer Interrupt Enable */
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 2f455ce35268..8c11696f606e 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -20,6 +20,7 @@
 #include <asm/system_misc.h>
 #include <mach/at91sam9g45.h>
 #include <mach/cpu.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "soc.h"
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index cb36fa872d30..77b04c2edd78 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -32,6 +32,7 @@
 #include <mach/at91sam9_smc.h>
 #include <linux/platform_data/dma-atmel.h>
 #include <mach/atmel-mci.h>
+#include <mach/hardware.h>
 
 #include <media/atmel-isi.h>
 
@@ -1587,6 +1588,7 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
         .use_dma_tx     = 0,
         .use_dma_rx     = 0,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
@@ -1625,6 +1627,7 @@ static struct resource uart0_resources[] = {
 static struct atmel_uart_data uart0_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart0_dmamask = DMA_BIT_MASK(32);
@@ -1668,6 +1671,7 @@ static struct resource uart1_resources[] = {
 static struct atmel_uart_data uart1_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart1_dmamask = DMA_BIT_MASK(32);
@@ -1711,6 +1715,7 @@ static struct resource uart2_resources[] = {
 static struct atmel_uart_data uart2_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart2_dmamask = DMA_BIT_MASK(32);
@@ -1754,6 +1759,7 @@ static struct resource uart3_resources[] = {
 static struct atmel_uart_data uart3_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart3_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 3651517abedf..c0d5474706f8 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -20,6 +20,7 @@
 #include <mach/cpu.h>
 #include <mach/at91_dbgu.h>
 #include <mach/at91sam9rl.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "at91_rstc.h"
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index a698bdab2cce..428fc412aaf1 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -21,6 +21,7 @@
 #include <mach/at91sam9rl_matrix.h>
 #include <mach/at91_matrix.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
 #include <linux/platform_data/dma-atmel.h>
 
 #include "board.h"
@@ -956,6 +957,7 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
         .use_dma_tx     = 0,
         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
@@ -994,6 +996,7 @@ static struct resource uart0_resources[] = {
 static struct atmel_uart_data uart0_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart0_dmamask = DMA_BIT_MASK(32);
@@ -1045,6 +1048,7 @@ static struct resource uart1_resources[] = {
 static struct atmel_uart_data uart1_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart1_dmamask = DMA_BIT_MASK(32);
@@ -1088,6 +1092,7 @@ static struct resource uart2_resources[] = {
 static struct atmel_uart_data uart2_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart2_dmamask = DMA_BIT_MASK(32);
@@ -1131,6 +1136,7 @@ static struct resource uart3_resources[] = {
 static struct atmel_uart_data uart3_data = {
         .use_dma_tx     = 1,
         .use_dma_rx     = 1,
+        .rts_gpio       = -EINVAL,
 };
 
 static u64 uart3_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
index bad94b84a46f..7523f1cdfe1d 100644
--- a/arch/arm/mach-at91/at91x40.c
+++ b/arch/arm/mach-at91/at91x40.c
@@ -19,7 +19,7 @@
 #include <asm/mach/arch.h>
 #include <mach/at91x40.h>
 #include <mach/at91_st.h>
-#include <mach/timex.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "generic.h"
diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c
index c0e637adf65d..07d0bf2ac2da 100644
--- a/arch/arm/mach-at91/at91x40_time.c
+++ b/arch/arm/mach-at91/at91x40_time.c
@@ -25,6 +25,7 @@
 #include <linux/time.h>
 #include <linux/io.h>
 #include <mach/hardware.h>
+#include <mach/at91x40.h>
 #include <asm/mach/time.h>
 
 #include "at91_tc.h"
diff --git a/arch/arm/mach-at91/board-gsia18s.c b/arch/arm/mach-at91/board-gsia18s.c
index c1d61d247790..416bae8435ee 100644
--- a/arch/arm/mach-at91/board-gsia18s.c
+++ b/arch/arm/mach-at91/board-gsia18s.c
@@ -31,6 +31,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "board.h"
diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c
index 65c0d6b5ecba..5f25fa54eb93 100644
--- a/arch/arm/mach-at91/board-pcontrol-g20.c
+++ b/arch/arm/mach-at91/board-pcontrol-g20.c
@@ -30,6 +30,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "board.h"
diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c
index 869cbecf00b7..e4a5ac17cdbc 100644
--- a/arch/arm/mach-at91/board-stamp9g20.c
+++ b/arch/arm/mach-at91/board-stamp9g20.c
@@ -26,6 +26,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/at91sam9_smc.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "board.h"
diff --git a/arch/arm/mach-at91/include/mach/at91x40.h b/arch/arm/mach-at91/include/mach/at91x40.h
index 90680217064e..38dca2bb027f 100644
--- a/arch/arm/mach-at91/include/mach/at91x40.h
+++ b/arch/arm/mach-at91/include/mach/at91x40.h
@@ -55,4 +55,6 @@
 #define AT91_PS_CR      (AT91_PS + 0)   /* PS Control register */
 #define AT91_PS_CR_CPU  (1 << 0)        /* CPU clock disable bit */
 
+#define AT91X40_MASTER_CLOCK    40000000
+
 #endif /* AT91X40_H */
diff --git a/arch/arm/mach-at91/include/mach/timex.h b/arch/arm/mach-at91/include/mach/timex.h
deleted file mode 100644
index 5e917a66edd7..000000000000
--- a/arch/arm/mach-at91/include/mach/timex.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/timex.h
- *
- *  Copyright (C) 2003 SAN People
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-#include <mach/hardware.h>
-
-#ifdef CONFIG_ARCH_AT91X40
-
-#define AT91X40_MASTER_CLOCK    40000000
-#define CLOCK_TICK_RATE         (AT91X40_MASTER_CLOCK)
-
-#else
-
-#define CLOCK_TICK_RATE         12345678
-
-#endif
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 590b52dea9f7..8bda1cefdf96 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -27,6 +27,7 @@
 #include <asm/mach/irq.h>
 
 #include <mach/cpu.h>
+#include <mach/hardware.h>
 
 #include "at91_aic.h"
 #include "generic.h"
diff --git a/arch/arm/mach-clps711x/include/mach/timex.h b/arch/arm/mach-clps711x/include/mach/timex.h
deleted file mode 100644
index de6fd192d1c3..000000000000
--- a/arch/arm/mach-clps711x/include/mach/timex.h
+++ /dev/null
@@ -1,2 +0,0 @@
-/* Bogus value */
-#define CLOCK_TICK_RATE 512000
diff --git a/arch/arm/mach-davinci/include/mach/timex.h b/arch/arm/mach-davinci/include/mach/timex.h
deleted file mode 100644
index 9b885298f106..000000000000
--- a/arch/arm/mach-davinci/include/mach/timex.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * DaVinci timer defines
- *
- * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/*
- * Alert: Not all timers of the DaVinci family run at a frequency of 27MHz,
- * but we should be fine as long as CLOCK_TICK_RATE or LATCH (see include/
- * linux/jiffies.h) are not used directly in code. Currently none of the
- * code relevant to DaVinci platform depends on these values directly.
- */
-#define CLOCK_TICK_RATE 27000000
-
-#endif /* __ASM_ARCH_TIMEX_H__ */
diff --git a/arch/arm/mach-dove/include/mach/timex.h b/arch/arm/mach-dove/include/mach/timex.h
deleted file mode 100644
index 251d538541db..000000000000
--- a/arch/arm/mach-dove/include/mach/timex.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * arch/arm/mach-dove/include/mach/timex.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#define CLOCK_TICK_RATE         (100 * HZ)
diff --git a/arch/arm/mach-ebsa110/include/mach/timex.h b/arch/arm/mach-ebsa110/include/mach/timex.h
deleted file mode 100644
index 4fb43b22a102..000000000000
--- a/arch/arm/mach-ebsa110/include/mach/timex.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- *  arch/arm/mach-ebsa110/include/mach/timex.h
- *
- *  Copyright (C) 1997, 1998 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  EBSA110 architecture timex specifications
- */
-
-/*
- * On the EBSA, the clock ticks at weird rates.
- * This is therefore not used to calculate the
- * divisor.
- */
-#define CLOCK_TICK_RATE         47894000
-
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 157ba88433c9..6c705472da6c 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -117,7 +117,7 @@ void __init ep93xx_map_io(void)
 #define EP93XX_TIMER4_CLOCK             983040
 
 #define TIMER1_RELOAD                   ((EP93XX_TIMER123_CLOCK / HZ) - 1)
-#define TIMER4_TICKS_PER_JIFFY          DIV_ROUND_CLOSEST(CLOCK_TICK_RATE, HZ)
+#define TIMER4_TICKS_PER_JIFFY          DIV_ROUND_CLOSEST(EP93XX_TIMER4_CLOCK, HZ)
 
 static unsigned int last_jiffy_time;
 
diff --git a/arch/arm/mach-ep93xx/include/mach/timex.h b/arch/arm/mach-ep93xx/include/mach/timex.h
deleted file mode 100644
index 6b3503b01fa6..000000000000
--- a/arch/arm/mach-ep93xx/include/mach/timex.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-ep93xx/include/mach/timex.h
- */
-
-#define CLOCK_TICK_RATE         983040
diff --git a/arch/arm/mach-exynos/include/mach/timex.h b/arch/arm/mach-exynos/include/mach/timex.h
deleted file mode 100644
index 6d138750a708..000000000000
--- a/arch/arm/mach-exynos/include/mach/timex.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* linux/arch/arm/mach-exynos4/include/mach/timex.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * Copyright (c) 2003-2010 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * Based on arch/arm/mach-s5p6442/include/mach/timex.h
- *
- * EXYNOS4 - time parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H __FILE__
-
-/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
- * a variable is useless. It seems as long as we make our timers an
- * exact multiple of HZ, any value that makes a 1->1 correspondence
- * for the time conversion functions to/from jiffies is acceptable.
-*/
-
-#define CLOCK_TICK_RATE 12000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-footbridge/include/mach/timex.h b/arch/arm/mach-footbridge/include/mach/timex.h
deleted file mode 100644
index d0fea9d6d4ab..000000000000
--- a/arch/arm/mach-footbridge/include/mach/timex.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- *  arch/arm/mach-footbridge/include/mach/timex.h
- *
- *  Copyright (C) 1998 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  EBSA285 architecture timex specifications
- */
-
-/*
- * We assume a constant here; this satisfies the maths in linux/timex.h
- * and linux/time.h.  CLOCK_TICK_RATE is actually system dependent, but
- * this must be a constant.
- */
-#define CLOCK_TICK_RATE         (50000000/16)
diff --git a/arch/arm/mach-gemini/include/mach/timex.h b/arch/arm/mach-gemini/include/mach/timex.h
deleted file mode 100644
index dc5690ba975c..000000000000
--- a/arch/arm/mach-gemini/include/mach/timex.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * Gemini timex specifications
- *
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-/* When AHB bus frequency is 150MHz */
-#define CLOCK_TICK_RATE 38000000
diff --git a/arch/arm/mach-integrator/include/mach/timex.h b/arch/arm/mach-integrator/include/mach/timex.h
deleted file mode 100644
index 1dcb42028c82..000000000000
--- a/arch/arm/mach-integrator/include/mach/timex.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- *  arch/arm/mach-integrator/include/mach/timex.h
- *
- *  Integrator architecture timex specifications
- *
- *  Copyright (C) 1999 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-/*
- * ??
- */
-#define CLOCK_TICK_RATE         (50000000 / 16)
diff --git a/arch/arm/mach-iop13xx/include/mach/timex.h b/arch/arm/mach-iop13xx/include/mach/timex.h
deleted file mode 100644
index 45fb2745bb54..000000000000
--- a/arch/arm/mach-iop13xx/include/mach/timex.h
+++ /dev/null
@@ -1 +0,0 @@
-#define CLOCK_TICK_RATE (100 * HZ)
diff --git a/arch/arm/mach-iop32x/include/mach/timex.h b/arch/arm/mach-iop32x/include/mach/timex.h
deleted file mode 100644
index 7262ab81419d..000000000000
--- a/arch/arm/mach-iop32x/include/mach/timex.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/timex.h
- *
- * IOP32x architecture timex specifications
- */
-#define CLOCK_TICK_RATE         (100 * HZ)
diff --git a/arch/arm/mach-iop33x/include/mach/timex.h b/arch/arm/mach-iop33x/include/mach/timex.h
deleted file mode 100644
index 54c589091d6e..000000000000
--- a/arch/arm/mach-iop33x/include/mach/timex.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/*
- * arch/arm/mach-iop33x/include/mach/timex.h
- *
- * IOP3xx architecture timex specifications
- */
-#define CLOCK_TICK_RATE         (100 * HZ)
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 6d68aed6548a..dc5d7a0e5d9c 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -23,7 +23,6 @@
 #include <linux/interrupt.h>
 #include <linux/bitops.h>
 #include <linux/time.h>
-#include <linux/timex.h>
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/io.h>
@@ -45,6 +44,17 @@
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
+#define IXP4XX_TIMER_FREQ 66666000
+
+/*
+ * The timer register doesn't allow to specify the two least significant bits of
+ * the timeout value and assumes them being zero. So make sure IXP4XX_LATCH is
+ * the best value with the two least significant bits unset.
+ */
+#define IXP4XX_LATCH DIV_ROUND_CLOSEST(IXP4XX_TIMER_FREQ, \
+                                       (IXP4XX_OST_RELOAD_MASK + 1) * HZ) * \
+                        (IXP4XX_OST_RELOAD_MASK + 1)
+
 static void __init ixp4xx_clocksource_init(void);
 static void __init ixp4xx_clockevent_init(void);
 static struct clock_event_device clockevent_ixp4xx;
@@ -520,7 +530,7 @@ static void ixp4xx_set_mode(enum clock_event_mode mode,
 
         switch (mode) {
         case CLOCK_EVT_MODE_PERIODIC:
-                osrt = LATCH & ~IXP4XX_OST_RELOAD_MASK;
+                osrt = IXP4XX_LATCH & ~IXP4XX_OST_RELOAD_MASK;
                 opts = IXP4XX_OST_ENABLE;
                 break;
         case CLOCK_EVT_MODE_ONESHOT:
diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h
deleted file mode 100644
index 0396d89f947c..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/timex.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/timex.h
- * 
- */
-
-#include <mach/ixp4xx-regs.h>
-
-/*
- * We use IXP425 General purpose timer for our timer needs, it runs at 
- * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the
- * timer register ignores the bottom 2 bits of the LATCH value.
- */
-#define IXP4XX_TIMER_FREQ 66666000
-#define CLOCK_TICK_RATE \
-        (((IXP4XX_TIMER_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
-
diff --git a/arch/arm/mach-kirkwood/include/mach/timex.h b/arch/arm/mach-kirkwood/include/mach/timex.h
deleted file mode 100644
index c923cd169b9c..000000000000
--- a/arch/arm/mach-kirkwood/include/mach/timex.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/include/mach/timex.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#define CLOCK_TICK_RATE         (100 * HZ)
-
diff --git a/arch/arm/mach-ks8695/include/mach/timex.h b/arch/arm/mach-ks8695/include/mach/timex.h
deleted file mode 100644
index 10f716371bd3..000000000000
--- a/arch/arm/mach-ks8695/include/mach/timex.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * arch/arm/mach-ks8695/include/mach/timex.h
- *
- * Copyright (C) 2006 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * KS8695 - Time Parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-#include <mach/hardware.h>
-
-#define CLOCK_TICK_RATE         KS8695_CLOCK_RATE
-
-#endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/timex.h b/arch/arm/mach-lpc32xx/include/mach/timex.h
deleted file mode 100644
index 8d4066b16b3f..000000000000
--- a/arch/arm/mach-lpc32xx/include/mach/timex.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/include/mach/timex.h
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/*
- * Rate in Hz of the main system oscillator. This value should match
- * the value 'MAIN_OSC_FREQ' in platform.h
- */
-#define CLOCK_TICK_RATE 13000000
-
-#endif
diff --git a/arch/arm/mach-mmp/include/mach/timex.h b/arch/arm/mach-mmp/include/mach/timex.h
deleted file mode 100644
index 70c9f1d88c02..000000000000
--- a/arch/arm/mach-mmp/include/mach/timex.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/include/mach/timex.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifdef CONFIG_CPU_MMP2
-#define CLOCK_TICK_RATE         6500000
-#else
-#define CLOCK_TICK_RATE         3250000
-#endif
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 024022d91fe3..048997e75dd0 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -39,6 +39,12 @@
 
 #include "clock.h"
 
+#ifdef CONFIG_CPU_MMP2
+#define MMP_CLOCK_FREQ          6500000
+#else
+#define MMP_CLOCK_FREQ          3250000
+#endif
+
 #define TIMERS_VIRT_BASE        TIMERS1_VIRT_BASE
 
 #define MAX_DELTA               (0xfffffffe)
@@ -195,14 +201,14 @@ void __init timer_init(int irq)
 {
         timer_config();
 
-        sched_clock_register(mmp_read_sched_clock, 32, CLOCK_TICK_RATE);
+        sched_clock_register(mmp_read_sched_clock, 32, MMP_CLOCK_FREQ);
 
         ckevt.cpumask = cpumask_of(0);
 
         setup_irq(irq, &timer_irq);
 
-        clocksource_register_hz(&cksrc, CLOCK_TICK_RATE);
-        clockevents_config_and_register(&ckevt, CLOCK_TICK_RATE,
+        clocksource_register_hz(&cksrc, MMP_CLOCK_FREQ);
+        clockevents_config_and_register(&ckevt, MMP_CLOCK_FREQ,
                                         MIN_DELTA, MAX_DELTA);
 }
 
diff --git a/arch/arm/mach-msm/include/mach/timex.h b/arch/arm/mach-msm/include/mach/timex.h
deleted file mode 100644
index a62e6b215aec..000000000000
--- a/arch/arm/mach-msm/include/mach/timex.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* arch/arm/mach-msm/include/mach/timex.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __ASM_ARCH_MSM_TIMEX_H
-#define __ASM_ARCH_MSM_TIMEX_H
-
-#define CLOCK_TICK_RATE         1000000
-
-#endif
diff --git a/arch/arm/mach-mv78xx0/include/mach/timex.h b/arch/arm/mach-mv78xx0/include/mach/timex.h
deleted file mode 100644
index 0e8c443c723a..000000000000
--- a/arch/arm/mach-mv78xx0/include/mach/timex.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * arch/arm/mach-mv78xx0/include/mach/timex.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#define CLOCK_TICK_RATE         (100 * HZ)
diff --git a/arch/arm/mach-netx/include/mach/timex.h b/arch/arm/mach-netx/include/mach/timex.h
deleted file mode 100644
index 1120dd0ba393..000000000000
--- a/arch/arm/mach-netx/include/mach/timex.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-netx/include/mach/timex.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#define CLOCK_TICK_RATE 100000000
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
index 6df42e643031..e2346013e227 100644
--- a/arch/arm/mach-netx/time.c
+++ b/arch/arm/mach-netx/time.c
@@ -28,6 +28,9 @@
 #include <asm/mach/time.h>
 #include <mach/netx-regs.h>
 
+#define NETX_CLOCK_FREQ 100000000
+#define NETX_LATCH DIV_ROUND_CLOSEST(NETX_CLOCK_FREQ, HZ)
+
 #define TIMER_CLOCKEVENT 0
 #define TIMER_CLOCKSOURCE 1
 
@@ -41,7 +44,7 @@ static void netx_set_mode(enum clock_event_mode mode,
 
         switch (mode) {
         case CLOCK_EVT_MODE_PERIODIC:
-                writel(LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT));
+                writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT));
                 tmode = NETX_GPIO_COUNTER_CTRL_RST_EN |
                         NETX_GPIO_COUNTER_CTRL_IRQ_EN |
                         NETX_GPIO_COUNTER_CTRL_RUN;
@@ -114,7 +117,7 @@ void __init netx_timer_init(void)
         /* Reset the timer value to zero */
         writel(0, NETX_GPIO_COUNTER_CURRENT(0));
 
-        writel(LATCH, NETX_GPIO_COUNTER_MAX(0));
+        writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(0));
 
         /* acknowledge interrupt */
         writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
@@ -137,11 +140,11 @@ void __init netx_timer_init(void)
                         NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE));
 
         clocksource_mmio_init(NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE),
-                "netx_timer", CLOCK_TICK_RATE, 200, 32, clocksource_mmio_readl_up);
+                "netx_timer", NETX_CLOCK_FREQ, 200, 32, clocksource_mmio_readl_up);
 
         /* with max_delta_ns >= delta2ns(0x800) the system currently runs fine.
          * Adding some safety ... */
         netx_clockevent.cpumask = cpumask_of(0);
-        clockevents_config_and_register(&netx_clockevent, CLOCK_TICK_RATE,
+        clockevents_config_and_register(&netx_clockevent, NETX_CLOCK_FREQ,
                                         0xa00, 0xfffffffe);
 }
diff --git a/arch/arm/mach-omap1/include/mach/timex.h b/arch/arm/mach-omap1/include/mach/timex.h
deleted file mode 100644
index 4793790d53cc..000000000000
--- a/arch/arm/mach-omap1/include/mach/timex.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-omap1/include/mach/timex.h
- */
-
-#include <plat/timex.h>
diff --git a/arch/arm/mach-omap2/include/mach/timex.h b/arch/arm/mach-omap2/include/mach/timex.h
deleted file mode 100644
index de9f8fc40e7c..000000000000
--- a/arch/arm/mach-omap2/include/mach/timex.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-omap2/include/mach/timex.h
- */
-
-#include <plat/timex.h>
diff --git a/arch/arm/mach-orion5x/include/mach/timex.h b/arch/arm/mach-orion5x/include/mach/timex.h
deleted file mode 100644
index 4c69820e0810..000000000000
--- a/arch/arm/mach-orion5x/include/mach/timex.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * arch/arm/mach-orion5x/include/mach/timex.h
- *
- * Tzachi Perelstein <tzachi@marvell.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#define CLOCK_TICK_RATE         (100 * HZ)
diff --git a/arch/arm/mach-pxa/include/mach/timex.h b/arch/arm/mach-pxa/include/mach/timex.h
deleted file mode 100644
index af6760a50e1a..000000000000
--- a/arch/arm/mach-pxa/include/mach/timex.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * arch/arm/mach-pxa/include/mach/timex.h
- *
- * Author:      Nicolas Pitre
- * Created:     Jun 15, 2001
- * Copyright:   MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/* Various drivers are still using the constant of CLOCK_TICK_RATE, for
- * those drivers to at least work, the definition is provided here.
- *
- * NOTE: this is no longer accurate when multiple processors and boards
- * are selected, newer drivers should not depend on this any more.  Use
- * either the clocksource/clockevent or get this at run-time by calling
- * get_clock_tick_rate() (as defined in generic.c).
- */
-
-#if defined(CONFIG_PXA25x)
-/* PXA250/210 timer base */
-#define CLOCK_TICK_RATE 3686400
-#elif defined(CONFIG_PXA27x)
-/* PXA27x timer base */
-#ifdef CONFIG_MACH_MAINSTONE
-#define CLOCK_TICK_RATE 3249600
-#else
-#define CLOCK_TICK_RATE 3250000
-#endif
-#else
-#define CLOCK_TICK_RATE 3250000
-#endif
diff --git a/arch/arm/mach-realview/include/mach/timex.h b/arch/arm/mach-realview/include/mach/timex.h
deleted file mode 100644
index 4eeb069373c2..000000000000
--- a/arch/arm/mach-realview/include/mach/timex.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- *  arch/arm/mach-realview/include/mach/timex.h
- *
- *  RealView architecture timex specifications
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#define CLOCK_TICK_RATE         (50000000 / 16)
diff --git a/arch/arm/mach-rpc/include/mach/timex.h b/arch/arm/mach-rpc/include/mach/timex.h
deleted file mode 100644
index dd75e7387bbe..000000000000
--- a/arch/arm/mach-rpc/include/mach/timex.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- *  arch/arm/mach-rpc/include/mach/timex.h
- *
- *  Copyright (C) 1997, 1998 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  RiscPC architecture timex specifications
- */
-
-/*
- * On the RiscPC, the clock ticks at 2MHz.
- */
-#define CLOCK_TICK_RATE         2000000
-
diff --git a/arch/arm/mach-rpc/time.c b/arch/arm/mach-rpc/time.c
index 9a6def14df01..99363ae5cac7 100644
--- a/arch/arm/mach-rpc/time.c
+++ b/arch/arm/mach-rpc/time.c
@@ -24,6 +24,9 @@
 
 #include <asm/mach/time.h>
 
+#define RPC_CLOCK_FREQ 2000000
+#define RPC_LATCH DIV_ROUND_CLOSEST(RPC_CLOCK_FREQ, HZ)
+
 static u32 ioc_timer_gettimeoffset(void)
 {
         unsigned int count1, count2, status;
@@ -46,23 +49,23 @@ static u32 ioc_timer_gettimeoffset(void)
                  * and count2.
                  */
                 if (status & (1 << 5))
-                        offset -= LATCH;
+                        offset -= RPC_LATCH;
         } else if (count2 > count1) {
                 /*
                  * We have just had another interrupt between reading
                  * count1 and count2.
                  */
-                offset -= LATCH;
+                offset -= RPC_LATCH;
         }
 
-        offset = (LATCH - offset) * (tick_nsec / 1000);
-        return ((offset + LATCH/2) / LATCH) * 1000;
+        offset = (RPC_LATCH - offset) * (tick_nsec / 1000);
+        return DIV_ROUND_CLOSEST(offset, RPC_LATCH) * 1000;
 }
 
 void __init ioctime_init(void)
 {
-        ioc_writeb(LATCH & 255, IOC_T0LTCHL);
-        ioc_writeb(LATCH >> 8, IOC_T0LTCHH);
+        ioc_writeb(RPC_LATCH & 255, IOC_T0LTCHL);
+        ioc_writeb(RPC_LATCH >> 8, IOC_T0LTCHH);
         ioc_writeb(0, IOC_T0GO);
 }
 
diff --git a/arch/arm/mach-s3c24xx/include/mach/timex.h b/arch/arm/mach-s3c24xx/include/mach/timex.h
deleted file mode 100644
index fe9ca1ffd51b..000000000000
--- a/arch/arm/mach-s3c24xx/include/mach/timex.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* arch/arm/mach-s3c2410/include/mach/timex.h
- *
- * Copyright (c) 2003-2005 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 - time parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
- * a variable is useless. It seems as long as we make our timers an
- * exact multiple of HZ, any value that makes a 1->1 correspondence
- * for the time conversion functions to/from jiffies is acceptable.
-*/
-
-#define CLOCK_TICK_RATE 12000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s3c64xx/include/mach/timex.h b/arch/arm/mach-s3c64xx/include/mach/timex.h
deleted file mode 100644
index fb2e8cd40829..000000000000
--- a/arch/arm/mach-s3c64xx/include/mach/timex.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* arch/arm/mach-s3c64xx/include/mach/timex.h
- *
- * Copyright (c) 2003-2005 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * S3C6400 - time parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
- * a variable is useless. It seems as long as we make our timers an
- * exact multiple of HZ, any value that makes a 1->1 correspondence
- * for the time conversion functions to/from jiffies is acceptable.
-*/
-
-#define CLOCK_TICK_RATE 12000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5p64x0/include/mach/timex.h b/arch/arm/mach-s5p64x0/include/mach/timex.h
deleted file mode 100644
index 4b91faa195a8..000000000000
--- a/arch/arm/mach-s5p64x0/include/mach/timex.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/include/mach/timex.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * Copyright (c) 2003-2005 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * S5P64X0 - time parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
- * a variable is useless. It seems as long as we make our timers an
- * exact multiple of HZ, any value that makes a 1->1 correspondence
- * for the time conversion functions to/from jiffies is acceptable.
-*/
-
-#define CLOCK_TICK_RATE 12000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/timex.h b/arch/arm/mach-s5pc100/include/mach/timex.h
deleted file mode 100644
index 47ffb17aff96..000000000000
--- a/arch/arm/mach-s5pc100/include/mach/timex.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* arch/arm/mach-s5pc100/include/mach/timex.h
- *
- * Copyright (c) 2003-2005 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * S3C6400 - time parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
- * a variable is useless. It seems as long as we make our timers an
- * exact multiple of HZ, any value that makes a 1->1 correspondence
- * for the time conversion functions to/from jiffies is acceptable.
-*/
-
-#define CLOCK_TICK_RATE 12000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/timex.h b/arch/arm/mach-s5pv210/include/mach/timex.h
deleted file mode 100644
index 73dc85496a83..000000000000
--- a/arch/arm/mach-s5pv210/include/mach/timex.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* linux/arch/arm/mach-s5pv210/include/mach/timex.h
- *
- * Copyright (c) 2003-2010 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com/
- *
- * Based on arch/arm/mach-s5p6442/include/mach/timex.h
- *
- * S5PV210 - time parameters
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H __FILE__
-
-/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
- * a variable is useless. It seems as long as we make our timers an
- * exact multiple of HZ, any value that makes a 1->1 correspondence
- * for the time conversion functions to/from jiffies is acceptable.
-*/
-
-#define CLOCK_TICK_RATE 12000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-sa1100/include/mach/timex.h b/arch/arm/mach-sa1100/include/mach/timex.h
deleted file mode 100644
index 7a5d017b58b3..000000000000
--- a/arch/arm/mach-sa1100/include/mach/timex.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * arch/arm/mach-sa1100/include/mach/timex.h
- *
- * SA1100 architecture timex specifications
- *
- * Copyright (C) 1998 
- */
-
-/*
- * SA1100 timer
- */
-#define CLOCK_TICK_RATE         3686400
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 6fd4acb8f187..7aaac005e036 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -9,6 +9,7 @@
  *
  */
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
@@ -20,6 +21,9 @@
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 
+#define SA1100_CLOCK_FREQ 3686400
+#define SA1100_LATCH DIV_ROUND_CLOSEST(SA1100_CLOCK_FREQ, HZ)
+
 static u64 notrace sa1100_read_sched_clock(void)
 {
         return readl_relaxed(OSCR);
@@ -93,7 +97,7 @@ static void sa1100_timer_resume(struct clock_event_device *cedev)
         /*
          * OSMR0 is the system timer: make sure OSCR is sufficiently behind
          */
-        writel_relaxed(OSMR0 - LATCH, OSCR);
+        writel_relaxed(OSMR0 - SA1100_LATCH, OSCR);
 }
 #else
 #define sa1100_timer_suspend NULL
@@ -128,7 +132,7 @@ void __init sa1100_timer_init(void)
 
         setup_irq(IRQ_OST0, &sa1100_timer_irq);
 
-        clocksource_mmio_init(OSCR, "oscr", CLOCK_TICK_RATE, 200, 32,
+        clocksource_mmio_init(OSCR, "oscr", SA1100_CLOCK_FREQ, 200, 32,
                 clocksource_mmio_readl_up);
         clockevents_config_and_register(&ckevt_sa1100_osmr0, 3686400,
                                         MIN_OSCR_DELTA * 2, 0x7fffffff);
diff --git a/arch/arm/mach-shmobile/include/mach/timex.h b/arch/arm/mach-shmobile/include/mach/timex.h
deleted file mode 100644
index ae0d8d825c23..000000000000
--- a/arch/arm/mach-shmobile/include/mach/timex.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_MACH_TIMEX_H
-#define __ASM_MACH_TIMEX_H
-
-#define CLOCK_TICK_RATE         1193180 /* unused i8253 PIT value */
-
-#endif /* __ASM_MACH_TIMEX_H */
diff --git a/arch/arm/mach-spear/include/mach/timex.h b/arch/arm/mach-spear/include/mach/timex.h
deleted file mode 100644
index ef95e5b780bd..000000000000
--- a/arch/arm/mach-spear/include/mach/timex.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/plat-spear/include/plat/timex.h
- *
- * SPEAr platform specific timex definitions
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar <viresh.linux@gmail.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __PLAT_TIMEX_H
-#define __PLAT_TIMEX_H
-
-#define CLOCK_TICK_RATE                 48000000
-
-#endif /* __PLAT_TIMEX_H */
diff --git a/arch/arm/mach-versatile/include/mach/timex.h b/arch/arm/mach-versatile/include/mach/timex.h
deleted file mode 100644
index 426199b1add5..000000000000
--- a/arch/arm/mach-versatile/include/mach/timex.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- *  arch/arm/mach-versatile/include/mach/timex.h
- *
- *  Versatile architecture timex specifications
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#define CLOCK_TICK_RATE         (50000000 / 16)
diff --git a/arch/arm/mach-w90x900/include/mach/timex.h b/arch/arm/mach-w90x900/include/mach/timex.h
deleted file mode 100644
index 164dce0b64db..000000000000
--- a/arch/arm/mach-w90x900/include/mach/timex.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * arch/arm/mach-w90x900/include/mach/timex.h
- *
- * Copyright (c) 2008 Nuvoton technology corporation
- * All rights reserved.
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- *
- * Based on arch/arm/mach-s3c2410/include/mach/timex.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/* CLOCK_TICK_RATE Now, I don't use it. */
-
-#define CLOCK_TICK_RATE 15000000
-
-#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/plat-omap/include/plat/timex.h b/arch/arm/plat-omap/include/plat/timex.h
deleted file mode 100644
index e27d2daa7790..000000000000
--- a/arch/arm/plat-omap/include/plat/timex.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/timex.h
- *
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author:  Greg Lonnon <glonnon@ridgerun.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the  GNU General Public License along
- * with this program; if not, write  to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#if !defined(__ASM_ARCH_OMAP_TIMEX_H)
-#define __ASM_ARCH_OMAP_TIMEX_H
-
-#define CLOCK_TICK_RATE         (HZ * 100000UL)
-
-#endif /* __ASM_ARCH_OMAP_TIMEX_H */
diff --git a/drivers/clocksource/timer-marco.c b/drivers/clocksource/timer-marco.c
index 09a17d9a6594..b52e1c078b99 100644
--- a/drivers/clocksource/timer-marco.c
+++ b/drivers/clocksource/timer-marco.c
@@ -19,7 +19,8 @@
 #include <linux/of_irq.h>
 #include <linux/of_address.h>
 #include <linux/sched_clock.h>
-#include <asm/mach/time.h>
+
+#define MARCO_CLOCK_FREQ 1000000
 
 #define SIRFSOC_TIMER_32COUNTER_0_CTRL                  0x0000
 #define SIRFSOC_TIMER_32COUNTER_1_CTRL                  0x0004
@@ -191,7 +192,7 @@ static int sirfsoc_local_timer_setup(struct clock_event_device *ce)
         ce->rating = 200;
         ce->set_mode = sirfsoc_timer_set_mode;
         ce->set_next_event = sirfsoc_timer_set_next_event;
-        clockevents_calc_mult_shift(ce, CLOCK_TICK_RATE, 60);
+        clockevents_calc_mult_shift(ce, MARCO_CLOCK_FREQ, 60);
         ce->max_delta_ns = clockevent_delta2ns(-2, ce);
         ce->min_delta_ns = clockevent_delta2ns(2, ce);
         ce->cpumask = cpumask_of(cpu);
@@ -263,11 +264,11 @@ static void __init sirfsoc_marco_timer_init(void)
         BUG_ON(IS_ERR(clk));
         rate = clk_get_rate(clk);
 
-        BUG_ON(rate < CLOCK_TICK_RATE);
-        BUG_ON(rate % CLOCK_TICK_RATE);
+        BUG_ON(rate < MARCO_CLOCK_FREQ);
+        BUG_ON(rate % MARCO_CLOCK_FREQ);
 
         /* Initialize the timer dividers */
-        timer_div = rate / CLOCK_TICK_RATE - 1;
+        timer_div = rate / MARCO_CLOCK_FREQ - 1;
         writel_relaxed(timer_div << 16, sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL);
         writel_relaxed(timer_div << 16, sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_0_CTRL);
         writel_relaxed(timer_div << 16, sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_1_CTRL);
@@ -283,7 +284,7 @@ static void __init sirfsoc_marco_timer_init(void)
         /* Clear all interrupts */
         writel_relaxed(0xFFFF, sirfsoc_timer_base + SIRFSOC_TIMER_INTR_STATUS);
 
-        BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, CLOCK_TICK_RATE));
+        BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, MARCO_CLOCK_FREQ));
 
         sirfsoc_clockevent_init();
 }
diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c
index 8a492d34ff9f..1a6b2d6356d6 100644
--- a/drivers/clocksource/timer-prima2.c
+++ b/drivers/clocksource/timer-prima2.c
@@ -21,6 +21,8 @@
 #include <linux/sched_clock.h>
 #include <asm/mach/time.h>
 
+#define PRIMA2_CLOCK_FREQ 1000000
+
 #define SIRFSOC_TIMER_COUNTER_LO        0x0000
 #define SIRFSOC_TIMER_COUNTER_HI        0x0004
 #define SIRFSOC_TIMER_MATCH_0           0x0008
@@ -173,7 +175,7 @@ static u64 notrace sirfsoc_read_sched_clock(void)
 static void __init sirfsoc_clockevent_init(void)
 {
         sirfsoc_clockevent.cpumask = cpumask_of(0);
-        clockevents_config_and_register(&sirfsoc_clockevent, CLOCK_TICK_RATE,
+        clockevents_config_and_register(&sirfsoc_clockevent, PRIMA2_CLOCK_FREQ,
                                         2, -2);
 }
 
@@ -190,8 +192,8 @@ static void __init sirfsoc_prima2_timer_init(struct device_node *np)
 
         rate = clk_get_rate(clk);
 
-        BUG_ON(rate < CLOCK_TICK_RATE);
-        BUG_ON(rate % CLOCK_TICK_RATE);
+        BUG_ON(rate < PRIMA2_CLOCK_FREQ);
+        BUG_ON(rate % PRIMA2_CLOCK_FREQ);
 
         sirfsoc_timer_base = of_iomap(np, 0);
         if (!sirfsoc_timer_base)
@@ -199,14 +201,16 @@ static void __init sirfsoc_prima2_timer_init(struct device_node *np)
 
         sirfsoc_timer_irq.irq = irq_of_parse_and_map(np, 0);
 
-        writel_relaxed(rate / CLOCK_TICK_RATE / 2 - 1, sirfsoc_timer_base + SIRFSOC_TIMER_DIV);
+        writel_relaxed(rate / PRIMA2_CLOCK_FREQ / 2 - 1,
+                       sirfsoc_timer_base + SIRFSOC_TIMER_DIV);
         writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO);
         writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI);
         writel_relaxed(BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_STATUS);
 
-        BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, CLOCK_TICK_RATE));
+        BUG_ON(clocksource_register_hz(&sirfsoc_clocksource,
+                                       PRIMA2_CLOCK_FREQ));
 
-        sched_clock_register(sirfsoc_read_sched_clock, 64, CLOCK_TICK_RATE);
+        sched_clock_register(sirfsoc_read_sched_clock, 64, PRIMA2_CLOCK_FREQ);
 
         BUG_ON(setup_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq));
 
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c
index 17ccba88d636..ed8e5e8449d3 100644
--- a/drivers/input/misc/ixp4xx-beeper.c
+++ b/drivers/input/misc/ixp4xx-beeper.c
@@ -67,7 +67,7 @@ static int ixp4xx_spkr_event(struct input_dev *dev, unsigned int type, unsigned
         }
 
         if (value > 20 && value < 32767)
-                count = (IXP4XX_TIMER_FREQ / (value * 4)) - 1;
+                count = (ixp4xx_timer_freq / (value * 4)) - 1;
 
         ixp4xx_spkr_control(pin, count);
 
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 309b8b342d9c..596374304532 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -24,7 +24,7 @@
 
 #include <mach/at91_rtt.h>
 #include <mach/cpu.h>
-
+#include <mach/hardware.h>
 
 /*
  * This driver uses two configurable hardware resources that live in the
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index a355f2b82bb8..cccbf9d89729 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -32,7 +32,6 @@
 
 #include <mach/hardware.h>
 
-#define TIMER_FREQ              CLOCK_TICK_RATE
 #define RTC_DEF_DIVIDER         (32768 - 1)
 #define RTC_DEF_TRIM            0
 #define MAXFREQ_PERIODIC        1000
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index a49f10d269b2..91c0d8839570 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -35,21 +35,18 @@
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/of_gpio.h>
 #include <linux/dma-mapping.h>
 #include <linux/atmel_pdc.h>
 #include <linux/atmel_serial.h>
 #include <linux/uaccess.h>
 #include <linux/platform_data/atmel.h>
 #include <linux/timer.h>
+#include <linux/gpio.h>
 
 #include <asm/io.h>
 #include <asm/ioctls.h>
 
-#ifdef CONFIG_ARM
-#include <mach/cpu.h>
-#include <asm/gpio.h>
-#endif
-
 #define PDC_BUFFER_SIZE         512
 /* Revisit: We should calculate this based on the actual port settings */
 #define PDC_RX_TIMEOUT          (3 * 10)                /* 3 bytes */
@@ -168,6 +165,7 @@ struct atmel_uart_port {
         struct circ_buf         rx_ring;
 
         struct serial_rs485     rs485;          /* rs485 settings */
+        int                     rts_gpio;       /* optional RTS GPIO */
         unsigned int            tx_done_mask;
         bool                    is_usart;       /* usart or uart */
         struct timer_list       uart_timer;     /* uart timer */
@@ -301,20 +299,16 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl)
         unsigned int mode;
         struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
 
-#ifdef CONFIG_ARCH_AT91RM9200
-        if (cpu_is_at91rm9200()) {
-                /*
-                 * AT91RM9200 Errata #39: RTS0 is not internally connected
-                 * to PA21. We need to drive the pin manually.
-                 */
-                if (port->mapbase == AT91RM9200_BASE_US0) {
-                        if (mctrl & TIOCM_RTS)
-                                at91_set_gpio_value(AT91_PIN_PA21, 0);
-                        else
-                                at91_set_gpio_value(AT91_PIN_PA21, 1);
-                }
+        /*
+         * AT91RM9200 Errata #39: RTS0 is not internally connected
+         * to PA21. We need to drive the pin as a GPIO.
+         */
+        if (gpio_is_valid(atmel_port->rts_gpio)) {
+                if (mctrl & TIOCM_RTS)
+                        gpio_set_value(atmel_port->rts_gpio, 0);
+                else
+                        gpio_set_value(atmel_port->rts_gpio, 1);
         }
-#endif
 
         if (mctrl & TIOCM_RTS)
                 control |= ATMEL_US_RTSEN;
@@ -2389,6 +2383,25 @@ static int atmel_serial_probe(struct platform_device *pdev)
         port = &atmel_ports[ret];
         port->backup_imr = 0;
         port->uart.line = ret;
+        port->rts_gpio = -EINVAL; /* Invalid, zero could be valid */
+        if (pdata)
+                port->rts_gpio = pdata->rts_gpio;
+        else if (np)
+                port->rts_gpio = of_get_named_gpio(np, "rts-gpios", 0);
+
+        if (gpio_is_valid(port->rts_gpio)) {
+                ret = devm_gpio_request(&pdev->dev, port->rts_gpio, "RTS");
+                if (ret) {
+                        dev_err(&pdev->dev, "error requesting RTS GPIO\n");
+                        goto err;
+                }
+                /* Default to 1 as RTS is active low */
+                ret = gpio_direction_output(port->rts_gpio, 1);
+                if (ret) {
+                        dev_err(&pdev->dev, "error setting up RTS GPIO\n");
+                        goto err;
+                }
+        }
 
         ret = atmel_init_port(port, pdev);
         if (ret)
diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h
index cea9f70133c5..e26b0c14edea 100644
--- a/include/linux/platform_data/atmel.h
+++ b/include/linux/platform_data/atmel.h
@@ -84,6 +84,7 @@ struct atmel_uart_data {
         short                   use_dma_rx;     /* use receive DMA? */
         void __iomem            *regs;          /* virt. base address, if any */
         struct serial_rs485     rs485;          /* rs485 settings */
+        int                     rts_gpio;       /* optional RTS GPIO */
 };
 
  /* Touchscreen Controller */