arm: mmp: Make use of the DT supported clock

Change the dtsi and dts file, soc initialization code to make
use of DT support clock.
So now in the code we do only need call of_clk_init to initialize
the clocks.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>

3 files changed, 33 insertions, 62 deletions

diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index ebdba87b9671..fdbfadf00c84 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -86,11 +86,12 @@ config MACH_GPLUGD
 
 config MACH_MMP_DT
         bool "Support MMP (ARMv5) platforms from device tree"
-        select CPU_PXA168
-        select CPU_PXA910
         select USE_OF
         select PINCTRL
         select PINCTRL_SINGLE
+        select COMMON_CLK
+        select ARCH_HAS_RESET_CONTROLLER
+        select CPU_MOHAWK
         help
           Include support for Marvell MMP2 based platforms using
           the device tree. Needn't select any other machine while
@@ -99,10 +100,12 @@ config MACH_MMP_DT
 config MACH_MMP2_DT
         bool "Support MMP2 (ARMv7) platforms from device tree"
         depends on !CPU_MOHAWK
-        select CPU_MMP2
         select USE_OF
         select PINCTRL
         select PINCTRL_SINGLE
+        select COMMON_CLK
+        select ARCH_HAS_RESET_CONTROLLER
+        select CPU_PJ4
         help
           Include support for Marvell MMP2 based platforms using
           the device tree.
@@ -111,21 +114,18 @@ endmenu
 
 config CPU_PXA168
         bool
-        select COMMON_CLK
         select CPU_MOHAWK
         help
           Select code specific to PXA168
 
 config CPU_PXA910
         bool
-        select COMMON_CLK
         select CPU_MOHAWK
         help
           Select code specific to PXA910
 
 config CPU_MMP2
         bool
-        select COMMON_CLK
         select CPU_PJ4
         help
           Select code specific to MMP2. MMP2 is ARMv7 compatible.
diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c
index cca529ceecb7..b2296c9309b8 100644
--- a/arch/arm/mach-mmp/mmp-dt.c
+++ b/arch/arm/mach-mmp/mmp-dt.c
@@ -11,63 +11,42 @@
 
 #include <linux/irqchip.h>
 #include <linux/of_platform.h>
+#include <linux/clk-provider.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
+#include <asm/hardware/cache-tauros2.h>
 
 #include "common.h"
 
 extern void __init mmp_dt_init_timer(void);
 
-static const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = {
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
-        OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp-gpio", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
-        {}
+static const char *pxa168_dt_board_compat[] __initdata = {
+        "mrvl,pxa168-aspenite",
+        NULL,
 };
 
-static const struct of_dev_auxdata pxa910_auxdata_lookup[] __initconst = {
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4036000, "pxa2xx-uart.2", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4037000, "pxa2xx-i2c.1", NULL),
-        OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp-gpio", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
-        {}
+static const char *pxa910_dt_board_compat[] __initdata = {
+        "mrvl,pxa910-dkb",
+        NULL,
 };
 
-static void __init pxa168_dt_init(void)
-{
-        of_platform_populate(NULL, of_default_bus_match_table,
-                             pxa168_auxdata_lookup, NULL);
-}
-
-static void __init pxa910_dt_init(void)
+static void __init mmp_init_time(void)
 {
-        of_platform_populate(NULL, of_default_bus_match_table,
-                             pxa910_auxdata_lookup, NULL);
+#ifdef CONFIG_CACHE_TAUROS2
+        tauros2_init(0);
+#endif
+        mmp_dt_init_timer();
+        of_clk_init(NULL);
 }
 
-static const char *mmp_dt_board_compat[] __initdata = {
-        "mrvl,pxa168-aspenite",
-        "mrvl,pxa910-dkb",
-        NULL,
-};
-
 DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
         .map_io         = mmp_map_io,
-        .init_time      = mmp_dt_init_timer,
-        .init_machine   = pxa168_dt_init,
-        .dt_compat      = mmp_dt_board_compat,
+        .init_time      = mmp_init_time,
+        .dt_compat      = pxa168_dt_board_compat,
 MACHINE_END
 
 DT_MACHINE_START(PXA910_DT, "Marvell PXA910 (Device Tree Support)")
         .map_io         = mmp_map_io,
-        .init_time      = mmp_dt_init_timer,
-        .init_machine   = pxa910_dt_init,
-        .dt_compat      = mmp_dt_board_compat,
+        .init_time      = mmp_init_time,
+        .dt_compat      = pxa910_dt_board_compat,
 MACHINE_END
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c
index 023cb453f157..998c0f533abc 100644
--- a/arch/arm/mach-mmp/mmp2-dt.c
+++ b/arch/arm/mach-mmp/mmp2-dt.c
@@ -12,29 +12,22 @@
 #include <linux/io.h>
 #include <linux/irqchip.h>
 #include <linux/of_platform.h>
+#include <linux/clk-provider.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
+#include <asm/hardware/cache-tauros2.h>
 
 #include "common.h"
 
 extern void __init mmp_dt_init_timer(void);
 
-static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
-        OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp2-gpio", NULL),
-        OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
-        {}
-};
-
-static void __init mmp2_dt_init(void)
+static void __init mmp_init_time(void)
 {
-        of_platform_populate(NULL, of_default_bus_match_table,
-                             mmp2_auxdata_lookup, NULL);
+#ifdef CONFIG_CACHE_TAUROS2
+        tauros2_init(0);
+#endif
+        mmp_dt_init_timer();
+        of_clk_init(NULL);
 }
 
 static const char *mmp2_dt_board_compat[] __initdata = {
@@ -44,7 +37,6 @@ static const char *mmp2_dt_board_compat[] __initdata = {
 
 DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
         .map_io         = mmp_map_io,
-        .init_time      = mmp_dt_init_timer,
-        .init_machine   = mmp2_dt_init,
+        .init_time      = mmp_init_time,
         .dt_compat      = mmp2_dt_board_compat,
 MACHINE_END