usb: phy: move all PHY drivers to drivers/usb/phy/

that's a much more reasonable location for
those drivers. It helps us saving drivers/usb/otg/
for when we actually start adding generic OTG
code.

Also completely delete drivers/usb/otg/ as there's
nothing left there.

Signed-off-by: Felipe Balbi <balbi@ti.com>

22 files changed, 171 insertions, 187 deletions

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 640ae6c6d2d2..2c481b808276 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -186,6 +186,4 @@ source "drivers/usb/atm/Kconfig"
 
 source "drivers/usb/gadget/Kconfig"
 
-source "drivers/usb/otg/Kconfig"
-
 endif # USB_SUPPORT
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 8f5ebced5df0..860306b14392 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -6,8 +6,6 @@
 
 obj-$(CONFIG_USB)               += core/
 
-obj-$(CONFIG_USB_OTG_UTILS)     += otg/
-
 obj-$(CONFIG_USB_DWC3)          += dwc3/
 
 obj-$(CONFIG_USB_MON)           += mon/
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
deleted file mode 100644
index 37962c99ff1e..000000000000
--- a/drivers/usb/otg/Kconfig
+++ /dev/null
@@ -1,141 +0,0 @@
-#
-# USB OTG infrastructure may be needed for peripheral-only, host-only,
-# or OTG-capable configurations when OTG transceivers or controllers
-# are used.
-#
-
-comment "OTG and related infrastructure"
-
-config USB_OTG_UTILS
-        bool
-        help
-          Select this to make sure the build includes objects from
-          the OTG infrastructure directory.
-
-if USB || USB_GADGET
-
-#
-# USB Transceiver Drivers
-#
-config USB_GPIO_VBUS
-        tristate "GPIO based peripheral-only VBUS sensing 'transceiver'"
-        depends on GENERIC_GPIO
-        select USB_OTG_UTILS
-        help
-          Provides simple GPIO VBUS sensing for controllers with an
-          internal transceiver via the usb_phy interface, and
-          optionally control of a D+ pullup GPIO as well as a VBUS
-          current limit regulator.
-
-config ISP1301_OMAP
-        tristate "Philips ISP1301 with OMAP OTG"
-        depends on I2C && ARCH_OMAP_OTG
-        select USB_OTG_UTILS
-        help
-          If you say yes here you get support for the Philips ISP1301
-          USB-On-The-Go transceiver working with the OMAP OTG controller.
-          The ISP1301 is a full speed USB  transceiver which is used in
-          products including H2, H3, and H4 development boards for Texas
-          Instruments OMAP processors.
-
-          This driver can also be built as a module.  If so, the module
-          will be called isp1301_omap.
-
-config USB_ULPI
-        bool "Generic ULPI Transceiver Driver"
-        depends on ARM
-        select USB_OTG_UTILS
-        help
-          Enable this to support ULPI connected USB OTG transceivers which
-          are likely found on embedded boards.
-
-config USB_ULPI_VIEWPORT
-        bool
-        depends on USB_ULPI
-        help
-          Provides read/write operations to the ULPI phy register set for
-          controllers with a viewport register (e.g. Chipidea/ARC controllers).
-
-config TWL4030_USB
-        tristate "TWL4030 USB Transceiver Driver"
-        depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
-        select USB_OTG_UTILS
-        help
-          Enable this to support the USB OTG transceiver on TWL4030
-          family chips (including the TWL5030 and TPS659x0 devices).
-          This transceiver supports high and full speed devices plus,
-          in host mode, low speed.
-
-config TWL6030_USB
-        tristate "TWL6030 USB Transceiver Driver"
-        depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS
-        select USB_OTG_UTILS
-        help
-          Enable this to support the USB OTG transceiver on TWL6030
-          family chips. This TWL6030 transceiver has the VBUS and ID GND
-          and OTG SRP events capabilities. For all other transceiver functionality
-          UTMI PHY is embedded in OMAP4430. The internal PHY configurations APIs
-          are hooked to this driver through platform_data structure.
-          The definition of internal PHY APIs are in the mach-omap2 layer.
-
-config NOP_USB_XCEIV
-        tristate "NOP USB Transceiver Driver"
-        select USB_OTG_UTILS
-        help
-          This driver is to be used by all the usb transceiver which are either
-          built-in with usb ip or which are autonomous and doesn't require any
-          phy programming such as ISP1x04 etc.
-
-config USB_MSM_OTG
-        tristate "OTG support for Qualcomm on-chip USB controller"
-        depends on (USB || USB_GADGET) && ARCH_MSM
-        select USB_OTG_UTILS
-        help
-          Enable this to support the USB OTG transceiver on MSM chips. It
-          handles PHY initialization, clock management, and workarounds
-          required after resetting the hardware and power management.
-          This driver is required even for peripheral only or host only
-          mode configurations.
-          This driver is not supported on boards like trout which
-          has an external PHY.
-
-config AB8500_USB
-        tristate "AB8500 USB Transceiver Driver"
-        depends on AB8500_CORE
-        select USB_OTG_UTILS
-        help
-          Enable this to support the USB OTG transceiver in AB8500 chip.
-          This transceiver supports high and full speed devices plus,
-          in host mode, low speed.
-
-config FSL_USB2_OTG
-        bool "Freescale USB OTG Transceiver Driver"
-        depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_SUSPEND
-        select USB_OTG
-        select USB_OTG_UTILS
-        help
-          Enable this to support Freescale USB OTG transceiver.
-
-config USB_MXS_PHY
-        tristate "Freescale MXS USB PHY support"
-        depends on ARCH_MXC || ARCH_MXS
-        select STMP_DEVICE
-        select USB_OTG_UTILS
-        help
-          Enable this to support the Freescale MXS USB PHY.
-
-          MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
-
-config USB_MV_OTG
-        tristate "Marvell USB OTG support"
-        depends on USB_EHCI_MV && USB_MV_UDC && USB_SUSPEND
-        select USB_OTG
-        select USB_OTG_UTILS
-        help
-          Say Y here if you want to build Marvell USB OTG transciever
-          driver in kernel (including PXA and MMP series). This driver
-          implements role switch between EHCI host driver and gadget driver.
-
-          To compile this driver as a module, choose M here.
-
-endif # USB || OTG
diff --git a/drivers/usb/otg/Makefile b/drivers/usb/otg/Makefile
deleted file mode 100644
index 6abc45388e24..000000000000
--- a/drivers/usb/otg/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-#
-# OTG infrastructure and transceiver drivers
-#
-
-ccflags-$(CONFIG_USB_DEBUG)             := -DDEBUG
-ccflags-$(CONFIG_USB_GADGET_DEBUG)      += -DDEBUG
-
-# transceiver drivers
-obj-$(CONFIG_USB_GPIO_VBUS)     += gpio_vbus.o
-obj-$(CONFIG_ISP1301_OMAP)      += isp1301_omap.o
-obj-$(CONFIG_TWL4030_USB)       += twl4030-usb.o
-obj-$(CONFIG_TWL6030_USB)       += twl6030-usb.o
-obj-$(CONFIG_NOP_USB_XCEIV)     += nop-usb-xceiv.o
-obj-$(CONFIG_USB_ULPI)          += ulpi.o
-obj-$(CONFIG_USB_ULPI_VIEWPORT) += ulpi_viewport.o
-obj-$(CONFIG_USB_MSM_OTG)       += msm_otg.o
-obj-$(CONFIG_AB8500_USB)        += ab8500-usb.o
-fsl_usb2_otg-objs               := fsl_otg.o otg_fsm.o
-obj-$(CONFIG_FSL_USB2_OTG)      += fsl_usb2_otg.o
-obj-$(CONFIG_USB_MXS_PHY)       += mxs-phy.o
-obj-$(CONFIG_USB_MV_OTG)        += mv_otg.o
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 65217a590068..32ce740a9dd5 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -4,6 +4,73 @@
 comment "USB Physical Layer drivers"
         depends on USB || USB_GADGET
 
+config USB_OTG_UTILS
+        bool
+        help
+          Select this to make sure the build includes objects from
+          the OTG infrastructure directory.
+
+if USB || USB_GADGET
+
+#
+# USB Transceiver Drivers
+#
+config AB8500_USB
+        tristate "AB8500 USB Transceiver Driver"
+        depends on AB8500_CORE
+        select USB_OTG_UTILS
+        help
+          Enable this to support the USB OTG transceiver in AB8500 chip.
+          This transceiver supports high and full speed devices plus,
+          in host mode, low speed.
+
+config FSL_USB2_OTG
+        bool "Freescale USB OTG Transceiver Driver"
+        depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_SUSPEND
+        select USB_OTG
+        select USB_OTG_UTILS
+        help
+          Enable this to support Freescale USB OTG transceiver.
+
+config ISP1301_OMAP
+        tristate "Philips ISP1301 with OMAP OTG"
+        depends on I2C && ARCH_OMAP_OTG
+        select USB_OTG_UTILS
+        help
+          If you say yes here you get support for the Philips ISP1301
+          USB-On-The-Go transceiver working with the OMAP OTG controller.
+          The ISP1301 is a full speed USB  transceiver which is used in
+          products including H2, H3, and H4 development boards for Texas
+          Instruments OMAP processors.
+
+          This driver can also be built as a module.  If so, the module
+          will be called isp1301_omap.
+
+config MV_U3D_PHY
+        bool "Marvell USB 3.0 PHY controller Driver"
+        depends on USB_MV_U3D
+        select USB_OTG_UTILS
+        help
+          Enable this to support Marvell USB 3.0 phy controller for Marvell
+          SoC.
+
+config NOP_USB_XCEIV
+        tristate "NOP USB Transceiver Driver"
+        select USB_OTG_UTILS
+        help
+          This driver is to be used by all the usb transceiver which are either
+          built-in with usb ip or which are autonomous and doesn't require any
+          phy programming such as ISP1x04 etc.
+
+config OMAP_CONTROL_USB
+        tristate "OMAP CONTROL USB Driver"
+        help
+          Enable this to add support for the USB part present in the control
+          module. This driver has API to power on the USB2 PHY and to write to
+          the mailbox. The mailbox is present only in omap4 and the register to
+          power on the USB2 PHY is present in OMAP4 and OMAP5. OMAP5 has an
+          additional register to power on USB3 PHY.
+
 config OMAP_USB2
         tristate "OMAP USB2 PHY Driver"
         depends on ARCH_OMAP2PLUS
@@ -25,14 +92,45 @@ config OMAP_USB3
           This driver interacts with the "OMAP Control USB Driver" to power
           on/off the PHY.
 
-config OMAP_CONTROL_USB
-        tristate "OMAP CONTROL USB Driver"
+config SAMSUNG_USBPHY
+        bool "Samsung USB PHY controller Driver"
+        depends on USB_S3C_HSOTG || USB_EHCI_S5P || USB_OHCI_EXYNOS
+        select USB_OTG_UTILS
         help
-          Enable this to add support for the USB part present in the control
-          module. This driver has API to power on the USB2 PHY and to write to
-          the mailbox. The mailbox is present only in omap4 and the register to
-          power on the USB2 PHY is present in OMAP4 and OMAP5. OMAP5 has an
-          additional register to power on USB3 PHY.
+          Enable this to support Samsung USB phy controller for samsung
+          SoCs.
+
+config TWL4030_USB
+        tristate "TWL4030 USB Transceiver Driver"
+        depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
+        select USB_OTG_UTILS
+        help
+          Enable this to support the USB OTG transceiver on TWL4030
+          family chips (including the TWL5030 and TPS659x0 devices).
+          This transceiver supports high and full speed devices plus,
+          in host mode, low speed.
+
+config TWL6030_USB
+        tristate "TWL6030 USB Transceiver Driver"
+        depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS
+        select USB_OTG_UTILS
+        help
+          Enable this to support the USB OTG transceiver on TWL6030
+          family chips. This TWL6030 transceiver has the VBUS and ID GND
+          and OTG SRP events capabilities. For all other transceiver functionality
+          UTMI PHY is embedded in OMAP4430. The internal PHY configurations APIs
+          are hooked to this driver through platform_data structure.
+          The definition of internal PHY APIs are in the mach-omap2 layer.
+
+config USB_GPIO_VBUS
+        tristate "GPIO based peripheral-only VBUS sensing 'transceiver'"
+        depends on GENERIC_GPIO
+        select USB_OTG_UTILS
+        help
+          Provides simple GPIO VBUS sensing for controllers with an
+          internal transceiver via the usb_phy interface, and
+          optionally control of a D+ pullup GPIO as well as a VBUS
+          current limit regulator.
 
 config USB_ISP1301
         tristate "NXP ISP1301 USB transceiver support"
@@ -46,13 +144,40 @@ config USB_ISP1301
           To compile this driver as a module, choose M here: the
           module will be called isp1301.
 
-config MV_U3D_PHY
-        bool "Marvell USB 3.0 PHY controller Driver"
-        depends on USB_MV_U3D
+config USB_MSM_OTG
+        tristate "OTG support for Qualcomm on-chip USB controller"
+        depends on (USB || USB_GADGET) && ARCH_MSM
         select USB_OTG_UTILS
         help
-          Enable this to support Marvell USB 3.0 phy controller for Marvell
-          SoC.
+          Enable this to support the USB OTG transceiver on MSM chips. It
+          handles PHY initialization, clock management, and workarounds
+          required after resetting the hardware and power management.
+          This driver is required even for peripheral only or host only
+          mode configurations.
+          This driver is not supported on boards like trout which
+          has an external PHY.
+
+config USB_MV_OTG
+        tristate "Marvell USB OTG support"
+        depends on USB_EHCI_MV && USB_MV_UDC && USB_SUSPEND
+        select USB_OTG
+        select USB_OTG_UTILS
+        help
+          Say Y here if you want to build Marvell USB OTG transciever
+          driver in kernel (including PXA and MMP series). This driver
+          implements role switch between EHCI host driver and gadget driver.
+
+          To compile this driver as a module, choose M here.
+
+config USB_MXS_PHY
+        tristate "Freescale MXS USB PHY support"
+        depends on ARCH_MXC || ARCH_MXS
+        select STMP_DEVICE
+        select USB_OTG_UTILS
+        help
+          Enable this to support the Freescale MXS USB PHY.
+
+          MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
 
 config USB_RCAR_PHY
         tristate "Renesas R-Car USB phy support"
@@ -66,10 +191,19 @@ config USB_RCAR_PHY
           To compile this driver as a module, choose M here: the
           module will be called rcar-phy.
 
-config SAMSUNG_USBPHY
-        bool "Samsung USB PHY controller Driver"
-        depends on USB_S3C_HSOTG || USB_EHCI_S5P || USB_OHCI_EXYNOS
+config USB_ULPI
+        bool "Generic ULPI Transceiver Driver"
+        depends on ARM
         select USB_OTG_UTILS
         help
-          Enable this to support Samsung USB phy controller for samsung
-          SoCs.
+          Enable this to support ULPI connected USB OTG transceivers which
+          are likely found on embedded boards.
+
+config USB_ULPI_VIEWPORT
+        bool
+        depends on USB_ULPI
+        help
+          Provides read/write operations to the ULPI phy register set for
+          controllers with a viewport register (e.g. Chipidea/ARC controllers).
+
+endif # USB || OTG
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index 9fa6327d4c52..34488ceef491 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -5,11 +5,27 @@
 ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG
 
 obj-$(CONFIG_USB_OTG_UTILS)             += phy.o
+
+# transceiver drivers, keep the list sorted
+
+obj-$(CONFIG_AB8500_USB)                += ab8500-usb.o
+fsl_usb2_otg-objs                       := fsl_otg.o otg_fsm.o
+obj-$(CONFIG_FSL_USB2_OTG)              += fsl_usb2_otg.o
+obj-$(CONFIG_ISP1301_OMAP)              += isp1301_omap.o
+obj-$(CONFIG_MV_U3D_PHY)                += mv_u3d_phy.o
+obj-$(CONFIG_NOP_USB_XCEIV)             += nop-usb-xceiv.o
+obj-$(CONFIG_OMAP_CONTROL_USB)          += omap-control-usb.o
 obj-$(CONFIG_OMAP_USB2)                 += omap-usb2.o
 obj-$(CONFIG_OMAP_USB3)                 += omap-usb3.o
-obj-$(CONFIG_OMAP_CONTROL_USB)          += omap-control-usb.o
+obj-$(CONFIG_SAMSUNG_USBPHY)            += samsung-usbphy.o
+obj-$(CONFIG_TWL4030_USB)               += twl4030-usb.o
+obj-$(CONFIG_TWL6030_USB)               += twl6030-usb.o
+obj-$(CONFIG_USB_EHCI_TEGRA)            += tegra_usb_phy.o
+obj-$(CONFIG_USB_GPIO_VBUS)             += gpio_vbus.o
 obj-$(CONFIG_USB_ISP1301)               += isp1301.o
-obj-$(CONFIG_MV_U3D_PHY)                += mv_u3d_phy.o
-obj-$(CONFIG_USB_EHCI_TEGRA)    += tegra_usb_phy.o
+obj-$(CONFIG_USB_MSM_OTG)               += msm_otg.o
+obj-$(CONFIG_USB_MV_OTG)                += mv_otg.o
+obj-$(CONFIG_USB_MXS_PHY)               += mxs-phy.o
 obj-$(CONFIG_USB_RCAR_PHY)              += rcar-phy.o
-obj-$(CONFIG_SAMSUNG_USBPHY)            += samsung-usbphy.o
+obj-$(CONFIG_USB_ULPI)                  += ulpi.o
+obj-$(CONFIG_USB_ULPI_VIEWPORT)         += ulpi_viewport.o
diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/phy/ab8500-usb.c
index 2d86f26a0183..2d86f26a0183 100644
--- a/drivers/usb/otg/ab8500-usb.c
+++ b/drivers/usb/phy/ab8500-usb.c
diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/phy/fsl_otg.c
index 72a2a00c2487..72a2a00c2487 100644
--- a/drivers/usb/otg/fsl_otg.c
+++ b/drivers/usb/phy/fsl_otg.c
diff --git a/drivers/usb/otg/fsl_otg.h b/drivers/usb/phy/fsl_otg.h
index ca266280895d..ca266280895d 100644
--- a/drivers/usb/otg/fsl_otg.h
+++ b/drivers/usb/phy/fsl_otg.h
diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/phy/gpio_vbus.c
index a7d4ac591982..a7d4ac591982 100644
--- a/drivers/usb/otg/gpio_vbus.c
+++ b/drivers/usb/phy/gpio_vbus.c
diff --git a/drivers/usb/otg/isp1301_omap.c b/drivers/usb/phy/isp1301_omap.c
index 8fe0c3b95261..8fe0c3b95261 100644
--- a/drivers/usb/otg/isp1301_omap.c
+++ b/drivers/usb/phy/isp1301_omap.c
diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/phy/msm_otg.c
index 749fbf41fb6f..749fbf41fb6f 100644
--- a/drivers/usb/otg/msm_otg.c
+++ b/drivers/usb/phy/msm_otg.c
diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/phy/mv_otg.c
index b6a9be31133b..b6a9be31133b 100644
--- a/drivers/usb/otg/mv_otg.c
+++ b/drivers/usb/phy/mv_otg.c
diff --git a/drivers/usb/otg/mv_otg.h b/drivers/usb/phy/mv_otg.h
index 8a9e351b36ba..8a9e351b36ba 100644
--- a/drivers/usb/otg/mv_otg.h
+++ b/drivers/usb/phy/mv_otg.h
diff --git a/drivers/usb/otg/mxs-phy.c b/drivers/usb/phy/mxs-phy.c
index 9d4381e64d51..9d4381e64d51 100644
--- a/drivers/usb/otg/mxs-phy.c
+++ b/drivers/usb/phy/mxs-phy.c
diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/phy/nop-usb-xceiv.c
index 2b10cc969bbb..2b10cc969bbb 100644
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ b/drivers/usb/phy/nop-usb-xceiv.c
diff --git a/drivers/usb/otg/otg_fsm.c b/drivers/usb/phy/otg_fsm.c
index 1f729a15decb..1f729a15decb 100644
--- a/drivers/usb/otg/otg_fsm.c
+++ b/drivers/usb/phy/otg_fsm.c
diff --git a/drivers/usb/otg/otg_fsm.h b/drivers/usb/phy/otg_fsm.h
index c30a2e1d9e46..c30a2e1d9e46 100644
--- a/drivers/usb/otg/otg_fsm.h
+++ b/drivers/usb/phy/otg_fsm.h
diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/phy/twl4030-usb.c
index a994715a3101..a994715a3101 100644
--- a/drivers/usb/otg/twl4030-usb.c
+++ b/drivers/usb/phy/twl4030-usb.c
diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/phy/twl6030-usb.c
index 8cd6cf49bdbd..8cd6cf49bdbd 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/phy/twl6030-usb.c
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/phy/ulpi.c
index 217339dd7a90..217339dd7a90 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/phy/ulpi.c
diff --git a/drivers/usb/otg/ulpi_viewport.c b/drivers/usb/phy/ulpi_viewport.c
index c5ba7e5423fc..c5ba7e5423fc 100644
--- a/drivers/usb/otg/ulpi_viewport.c
+++ b/drivers/usb/phy/ulpi_viewport.c