ARM: imx53: support device tree boot only

With device tree kernel provides the equal support as those imx53 board
files, it's time to remove the board files and get imx53 support device
tree only.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/configs/imx_v6_v7_defconfig

@@ -32,7 +32,7 @@ CONFIG_MACH_VPR200=y
 CONFIG_MACH_IMX51_DT=y
 CONFIG_MACH_MX51_3DS=y
 CONFIG_MACH_EUKREA_CPUIMX51SD=y
-CONFIG_MACH_IMX53_DT=y
+CONFIG_SOC_IMX53=y
 CONFIG_SOC_IMX6Q=y
 CONFIG_MXC_PWM=y
 CONFIG_SMP=y

arch/arm/mach-imx/Kconfig

@@ -102,15 +102,6 @@ config	SOC_IMX51
 	select ARCH_MX5
 	select ARCH_MX51
 
-config	SOC_IMX53
-	bool
-	select SOC_IMX5
-	select ARCH_MX5
-	select ARCH_MX53
-	select HAVE_CAN_FLEXCAN if CAN
-	select PINCTRL
-	select PINCTRL_IMX53
-
 if ARCH_IMX_V4_V5
 
 comment "MX1 platforms:"
@@ -738,69 +729,19 @@ config MACH_EUKREA_MBIMXSD51_BASEBOARD
 
 endchoice
 
-comment "i.MX53 machines:"
-
-config MACH_IMX53_DT
-	bool "Support i.MX53 platforms from device tree"
-	select SOC_IMX53
-	select MACH_MX53_ARD
-	select MACH_MX53_EVK
-	select MACH_MX53_LOCO
-	select MACH_MX53_SMD
-	help
-	  Include support for Freescale i.MX53 based platforms
-	  using the device tree for discovery
-
-config MACH_MX53_EVK
-	bool "Support MX53 EVK platforms"
-	select SOC_IMX53
-	select IMX_HAVE_PLATFORM_IMX2_WDT
-	select IMX_HAVE_PLATFORM_IMX_UART
-	select IMX_HAVE_PLATFORM_IMX_I2C
-	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
-	select IMX_HAVE_PLATFORM_SPI_IMX
-	select LEDS_GPIO_REGISTER
-	help
-	  Include support for MX53 EVK platform. This includes specific
-	  configurations for the board and its peripherals.
-
-config MACH_MX53_SMD
-	bool "Support MX53 SMD platforms"
-	select SOC_IMX53
-	select IMX_HAVE_PLATFORM_IMX2_WDT
-	select IMX_HAVE_PLATFORM_IMX_I2C
-	select IMX_HAVE_PLATFORM_IMX_UART
-	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
-	help
-	  Include support for MX53 SMD platform. This includes specific
-	  configurations for the board and its peripherals.
+comment "Device tree only"
 
-config MACH_MX53_LOCO
-	bool "Support MX53 LOCO platforms"
-	select SOC_IMX53
-	select IMX_HAVE_PLATFORM_IMX2_WDT
-	select IMX_HAVE_PLATFORM_IMX_I2C
-	select IMX_HAVE_PLATFORM_IMX_UART
-	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
-	select IMX_HAVE_PLATFORM_GPIO_KEYS
-	select LEDS_GPIO_REGISTER
-	help
-	  Include support for MX53 LOCO platform. This includes specific
-	  configurations for the board and its peripherals.
+config	SOC_IMX53
+	bool "i.MX53 support"
+	select SOC_IMX5
+	select ARCH_MX5
+	select ARCH_MX53
+	select HAVE_CAN_FLEXCAN if CAN
+	select PINCTRL
+	select PINCTRL_IMX53
 
-config MACH_MX53_ARD
-	bool "Support MX53 ARD platforms"
-	select SOC_IMX53
-	select IMX_HAVE_PLATFORM_IMX2_WDT
-	select IMX_HAVE_PLATFORM_IMX_I2C
-	select IMX_HAVE_PLATFORM_IMX_UART
-	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
-	select IMX_HAVE_PLATFORM_GPIO_KEYS
 	help
-	  Include support for MX53 ARD platform. This includes specific
-	  configurations for the board and its peripherals.
-
-comment "i.MX6 family:"
+	  This enables support for Freescale i.MX53 processor.
 
 config SOC_IMX6Q
 	bool "i.MX6 Quad support"

arch/arm/mach-imx/Makefile

@@ -83,13 +83,9 @@ endif
 # i.MX5 based machines
 obj-$(CONFIG_MACH_MX51_BABBAGE) += mach-mx51_babbage.o
 obj-$(CONFIG_MACH_MX51_3DS) += mach-mx51_3ds.o
-obj-$(CONFIG_MACH_MX53_EVK) += mach-mx53_evk.o
-obj-$(CONFIG_MACH_MX53_SMD) += mach-mx53_smd.o
-obj-$(CONFIG_MACH_MX53_LOCO) += mach-mx53_loco.o
-obj-$(CONFIG_MACH_MX53_ARD) += mach-mx53_ard.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += mach-cpuimx51sd.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd51-baseboard.o
 obj-$(CONFIG_MACH_MX50_RDP) += mach-mx50_rdp.o
 
 obj-$(CONFIG_MACH_IMX51_DT) += imx51-dt.o
-obj-$(CONFIG_MACH_IMX53_DT) += imx53-dt.o
+obj-$(CONFIG_SOC_IMX53) += mach-imx53.o

arch/arm/mach-imx/Makefile.boot

@@ -39,8 +39,12 @@ params_phys-$(CONFIG_SOC_IMX6Q)	:= 0x10000100
 initrd_phys-$(CONFIG_SOC_IMX6Q)	:= 0x10800000
 
 dtb-$(CONFIG_MACH_IMX51_DT) += imx51-babbage.dtb
-dtb-$(CONFIG_MACH_IMX53_DT) += imx53-ard.dtb imx53-evk.dtb \
-			       imx53-qsb.dtb imx53-smd.dtb
+
+dtb-$(CONFIG_SOC_IMX53) += imx53-ard.dtb \
+			   imx53-evk.dtb \
+			   imx53-qsb.dtb \
+			   imx53-smd.dtb \
+
 dtb-$(CONFIG_SOC_IMX6Q)	+= imx6q-arm2.dtb \
 			   imx6q-sabrelite.dtb \
 			   imx6q-sabresd.dtb \