[omap]: rename the omap4 target to omap

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38691 3c298f89-4303-0410-b956-a3cf2f4a3e73

6 files changed, 445 insertions, 0 deletions

diff --git a/target/linux/omap/Makefile b/target/linux/omap/Makefile
new file mode 100644
index 0000000000..3a62911ca3
--- /dev/null
+++ b/target/linux/omap/Makefile
@@ -0,0 +1,32 @@
+#
+# Copyright (C) 2012-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+ARCH:=arm
+BOARD:=omap
+BOARDNAME:=TI OMAP3/4/AM33xx
+FEATURES:=usb targz audio display
+CPU_TYPE:=cortex-a9
+CPU_SUBTYPE:=vfpv3
+
+LINUX_VERSION:=3.3.8
+
+MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
+
+KERNELNAME:="uImage"
+
+DEFAULT_PACKAGES += uboot-omap-am335x_evm uboot-omap-omap3_beagle uboot-omap-omap3_overo uboot-omap-omap4_panda
+
+DEVICE_TYPE=developerboard
+
+define Target/Description
+	TI OMAP boards
+endef
+
+include $(INCLUDE_DIR)/target.mk
+
+$(eval $(call BuildTarget))
diff --git a/target/linux/omap/base-files/etc/inittab b/target/linux/omap/base-files/etc/inittab
new file mode 100644
index 0000000000..cc6c31a129
--- /dev/null
+++ b/target/linux/omap/base-files/etc/inittab
@@ -0,0 +1,4 @@
+::sysinit:/etc/init.d/rcS S boot
+::shutdown:/etc/init.d/rcS K shutdown
+ttyO2::askfirst:/bin/ash --login
+tty1::askfirst:/bin/ash --login
diff --git a/target/linux/omap/config-default b/target/linux/omap/config-default
new file mode 100644
index 0000000000..d51ebc47de
--- /dev/null
+++ b/target/linux/omap/config-default
@@ -0,0 +1,364 @@
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_APM_EMULATION is not set
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+CONFIG_ARCH_HAS_BARRIERS=y
+CONFIG_ARCH_HAS_CPUFREQ=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
+CONFIG_ARCH_HAS_OPP=y
+CONFIG_ARCH_NR_GPIO=0
+CONFIG_ARCH_OMAP=y
+# CONFIG_ARCH_OMAP1 is not set
+# CONFIG_ARCH_OMAP2 is not set
+CONFIG_ARCH_OMAP2PLUS=y
+CONFIG_ARCH_OMAP2PLUS_TYPICAL=y
+# CONFIG_ARCH_OMAP3 is not set
+CONFIG_ARCH_OMAP4=y
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_ARCH_USES_GETTIMEOFFSET is not set
+CONFIG_ARM=y
+CONFIG_ARM_CPU_SUSPEND=y
+CONFIG_ARM_ERRATA_720789=y
+CONFIG_ARM_GIC=y
+CONFIG_ARM_L1_CACHE_SHIFT=6
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
+# CONFIG_ARM_LPAE is not set
+CONFIG_ARM_NR_BANKS=8
+CONFIG_ARM_PATCH_PHYS_VIRT=y
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_ATH_COMMON is not set
+# CONFIG_ATMEL_PWM is not set
+CONFIG_AVERAGE=y
+CONFIG_BCMA_POSSIBLE=y
+CONFIG_BOUNCE=y
+CONFIG_CACHE_L2X0=y
+CONFIG_CACHE_PL310=y
+CONFIG_CFG80211=m
+# CONFIG_CFG80211_DEBUGFS is not set
+CONFIG_CFG80211_DEFAULT_PS=y
+# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
+# CONFIG_CFG80211_INTERNAL_REGDB is not set
+# CONFIG_CFG80211_REG_DEBUG is not set
+CONFIG_CFG80211_WEXT=y
+CONFIG_CLKDEV_LOOKUP=y
+CONFIG_CLKSRC_MMIO=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_HAS_PMU=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_RMAP=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_V7=y
+CONFIG_CRC16=y
+CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_ALGAPI2=m
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_DEBUG_HIGHMEM is not set
+# CONFIG_DEBUG_USER is not set
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_DW_WATCHDOG is not set
+CONFIG_EXT4_FS=y
+CONFIG_FB=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_OMAP2=y
+CONFIG_FB_OMAP2_DEBUG_SUPPORT=y
+CONFIG_FB_OMAP2_NUM_FBS=3
+# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
+# CONFIG_FB_SM7XX is not set
+CONFIG_FB_TILEBLITTING=y
+# CONFIG_FB_WMT_GE_ROPS is not set
+CONFIG_FIRMWARE_EDID=y
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x16=y
+CONFIG_FONT_8x8=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+CONFIG_FRAME_POINTER=y
+CONFIG_FS_MBCACHE=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_TWL4030=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAVE_AOUT=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_ARCH_PFN_VALID=y
+CONFIG_HAVE_ARM_SCU=y
+CONFIG_HAVE_ARM_TWD=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_HAVE_IRQ_WORK=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_HAVE_KERNEL_XZ=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_SCHED_CLOCK=y
+CONFIG_HAVE_SMP=y
+CONFIG_HAVE_SPARSE_IRQ=y
+CONFIG_HIGHMEM=y
+# CONFIG_HIGHPTE is not set
+CONFIG_HW_CONSOLE=y
+CONFIG_HZ=128
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_OMAP=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INPUT=y
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_INPUT_TWL4030_PWRBUTTON=y
+# CONFIG_INPUT_TWL4030_VIBRA is not set
+# CONFIG_INPUT_TWL6040_VIBRA is not set
+CONFIG_IRQ_DOMAIN=y
+# CONFIG_IWM is not set
+CONFIG_JBD2=y
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_OMAP4 is not set
+CONFIG_KEYBOARD_TWL4030=y
+CONFIG_KTIME_SCALAR=y
+# CONFIG_LEDS is not set
+CONFIG_LEDS_GPIO=y
+# CONFIG_LEDS_REGULATOR is not set
+CONFIG_LOCAL_TIMERS=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_MAC80211=m
+# CONFIG_MAC80211_DEBUGFS is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
+CONFIG_MAC80211_HAS_RC=y
+# CONFIG_MAC80211_HWSIM is not set
+# CONFIG_MAC80211_LEDS is not set
+# CONFIG_MAC80211_MESH is not set
+CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
+CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
+CONFIG_MAC80211_RC_MINSTREL=y
+CONFIG_MAC80211_RC_MINSTREL_HT=y
+# CONFIG_MAC80211_RC_PID is not set
+CONFIG_MACH_OMAP4_PANDA=y
+# CONFIG_MACH_OMAP_4430SDP is not set
+# CONFIG_MACH_OMAP_GENERIC is not set
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MFD_OMAP_USB_HOST=y
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TWL4030_AUDIO is not set
+CONFIG_MMC=y
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_OMAP=y
+CONFIG_MMC_OMAP_HS=y
+CONFIG_MMC_UNSAFE_RESUME=y
+# CONFIG_MPCORE_WATCHDOG is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_DATAFLASH_OTP is not set
+# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MULTI_IRQ_HANDLER=y
+CONFIG_MUTEX_SPIN_ON_OWNER=y
+# CONFIG_MWIFIEX is not set
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEON=y
+# CONFIG_NET_VENDOR_I825XX is not set
+# CONFIG_NL80211_TESTMODE is not set
+CONFIG_NLS=y
+CONFIG_NO_HZ=y
+CONFIG_NR_CPUS=2
+CONFIG_OMAP2_DSS=y
+# CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS is not set
+CONFIG_OMAP2_DSS_DEBUG_SUPPORT=y
+CONFIG_OMAP2_DSS_DPI=y
+CONFIG_OMAP2_DSS_DSI=y
+# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
+CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=0
+# CONFIG_OMAP2_DSS_RFBI is not set
+CONFIG_OMAP2_DSS_SLEEP_AFTER_VENC_RESET=y
+# CONFIG_OMAP2_DSS_VENC is not set
+CONFIG_OMAP2_VRAM=y
+CONFIG_OMAP2_VRAM_SIZE=32
+CONFIG_OMAP4_DSS_HDMI=y
+CONFIG_OMAP4_ERRATA_I688=y
+CONFIG_OMAP_32K_TIMER=y
+CONFIG_OMAP_32K_TIMER_HZ=128
+CONFIG_OMAP_DM_TIMER=y
+# CONFIG_OMAP_MBOX_FWK is not set
+CONFIG_OMAP_MCBSP=y
+CONFIG_OMAP_MUX=y
+# CONFIG_OMAP_MUX_DEBUG is not set
+CONFIG_OMAP_MUX_WARNINGS=y
+CONFIG_OMAP_PACKAGE_CBL=y
+CONFIG_OMAP_PACKAGE_CBS=y
+CONFIG_OMAP_PM_NOOP=y
+CONFIG_OMAP_RESET_CLOCKS=y
+# CONFIG_OMAP_SMARTREFLEX is not set
+# CONFIG_OMAP_WATCHDOG is not set
+CONFIG_OUTER_CACHE=y
+CONFIG_OUTER_CACHE_SYNC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PANEL_DVI=y
+CONFIG_PANEL_GENERIC_DPI=y
+# CONFIG_PANEL_LGPHILIPS_LB035Q02 is not set
+# CONFIG_PANEL_PICODLP is not set
+# CONFIG_PANEL_TPO_TD043MTEA1 is not set
+# CONFIG_PCI_SYSCALL is not set
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+CONFIG_PL310_ERRATA_588369=y
+CONFIG_PL310_ERRATA_727915=y
+# CONFIG_PL310_ERRATA_753970 is not set
+CONFIG_PL310_ERRATA_769419=y
+CONFIG_PM=y
+CONFIG_PM_CLK=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_OPP=y
+CONFIG_PM_RUNTIME=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_REGMAP=y
+CONFIG_REGMAP_I2C=y
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_AD5398 is not set
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_DUMMY is not set
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+# CONFIG_REGULATOR_ISL6271A is not set
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_LP3972 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8649 is not set
+# CONFIG_REGULATOR_MAX8660 is not set
+# CONFIG_REGULATOR_MAX8952 is not set
+CONFIG_REGULATOR_TPS65023=y
+CONFIG_REGULATOR_TPS6507X=y
+# CONFIG_REGULATOR_TPS6524X is not set
+CONFIG_REGULATOR_TWL4030=y
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
+# CONFIG_RFKILL_REGULATOR is not set
+CONFIG_RFS_ACCEL=y
+CONFIG_RPS=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_DRV_PT7C4338 is not set
+CONFIG_RTC_DRV_TWL4030=y
+# CONFIG_RTL8192CU is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SERIAL_8250 is not set
+CONFIG_SERIAL_OMAP=y
+CONFIG_SERIAL_OMAP_CONSOLE=y
+CONFIG_SMP=y
+CONFIG_SMP_ON_UP=y
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+# CONFIG_SPI_OMAP24XX is not set
+CONFIG_STOP_MACHINE=y
+CONFIG_SWP_EMULATE=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_TREE_RCU=y
+CONFIG_TWL4030_CORE=y
+# CONFIG_TWL4030_MADC is not set
+CONFIG_TWL4030_POWER=y
+CONFIG_TWL4030_USB=y
+CONFIG_TWL4030_WATCHDOG=y
+# CONFIG_TWL6030_PWM is not set
+CONFIG_TWL6030_USB=y
+# CONFIG_TWL6040_CORE is not set
+CONFIG_UID16=y
+CONFIG_USB=y
+# CONFIG_USB_ARCH_HAS_XHCI is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+CONFIG_USB_COMMON=y
+# CONFIG_USB_DUMMY_HCD is not set
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_HCD_OMAP=y
+# CONFIG_USB_EHCI_HCD_PLATFORM is not set
+CONFIG_USB_EHCI_TT_NEWSCHED=y
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_FUNCTIONFS is not set
+# CONFIG_USB_FUSB300 is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
+# CONFIG_USB_G_DBGP is not set
+# CONFIG_USB_G_HID is not set
+# CONFIG_USB_G_NCM is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_M66592 is not set
+# CONFIG_USB_MV_UDC is not set
+# CONFIG_USB_NET2272 is not set
+CONFIG_USB_NET_SMSC95XX=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_OMAP3=y
+# CONFIG_USB_OHCI_HCD_PLATFORM is not set
+CONFIG_USB_OMAP=y
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_R8A66597 is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_USBNET=y
+# CONFIG_USB_ZERO is not set
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_VFP=y
+CONFIG_VFPv3=y
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_W35UND is not set
+# CONFIG_WL1251 is not set
+CONFIG_WL12XX=m
+CONFIG_WL12XX_MENU=m
+CONFIG_WL12XX_PLATFORM_DATA=y
+CONFIG_WL12XX_SDIO=m
+# CONFIG_WL12XX_SPI is not set
+CONFIG_XPS=y
+CONFIG_XZ_DEC=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/omap/image/Makefile b/target/linux/omap/image/Makefile
new file mode 100644
index 0000000000..e118122bd4
--- /dev/null
+++ b/target/linux/omap/image/Makefile
@@ -0,0 +1,32 @@
+#
+# Copyright (C) 2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+define Image/BuildKernel
+	mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n 'Boot Image' -d boot.script $(BIN_DIR)/boot.scr
+	cp $(KDIR)/uImage $(BIN_DIR)/openwrt-$(BOARD)-uImage
+endef
+
+define Image/Build
+	$(call Image/Build/$(1),$(1))
+endef
+
+define Image/Build/jffs2-64k
+	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=65536 conv=sync
+endef
+
+define Image/Build/jffs2-128k
+	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=131072 conv=sync
+endef
+
+define Image/Build/squashfs
+	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
+	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=131072 conv=sync
+endef
+
+$(eval $(call BuildImage))
diff --git a/target/linux/omap/image/boot.script b/target/linux/omap/image/boot.script
new file mode 100644
index 0000000000..d884a70195
--- /dev/null
+++ b/target/linux/omap/image/boot.script
@@ -0,0 +1,3 @@
+fatload mmc 0:1 0x80000000 openwrt-omap-uImage
+setenv bootargs vram=32M fixrtc mem=1G@0x80000000 root=/dev/mmcblk0p2 rootfstype=ext4 console=ttyO2,115200n8 rootwait
+bootm 0x80000000
diff --git a/target/linux/omap/patches/001-omap4_pandaboard-wlan_fix.patch b/target/linux/omap/patches/001-omap4_pandaboard-wlan_fix.patch
new file mode 100644
index 0000000000..9499e3b8af
--- /dev/null
+++ b/target/linux/omap/patches/001-omap4_pandaboard-wlan_fix.patch
@@ -0,0 +1,10 @@
+--- a/arch/arm/mach-omap2/twl-common.c
++++ b/arch/arm/mach-omap2/twl-common.c
+@@ -280,6 +280,7 @@ static struct regulator_init_data omap4_
+ static struct regulator_init_data omap4_clk32kg_idata = {
+ 	.constraints = {
+ 		.valid_ops_mask		= REGULATOR_CHANGE_STATUS,
++		.always_on		= true,
+ 	},
+ };
+