linux-toradex.git/drivers/phy/phy-ti-pipe3.c, branch v3.15-rc6 Linux kernel for Apalis and Colibri modules phy: ti-pipe3: Fix suspend/resume and module reload 2014-03-09T07:15:11+00:00 Roger Quadros rogerq@ti.com 2014-03-06T14:38:44+00:00 56042e4e975ce7b0817ebc024d02fa96ee01e107 Due to Errata i783, SATA breaks if its DPLL is idled. The recommeded workaround to issue a softreset to the SATA controller doesn't seem to work. Here we just prevent SATA DPLL from Idling and hence avoid the issue altogether. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> 
Due to Errata i783, SATA breaks if its DPLL is idled. The recommeded
workaround to issue a softreset to the SATA controller doesn't seem to
work. Here we just prevent SATA DPLL from Idling and hence avoid
the issue altogether.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy: ti-pipe3: streamline PHY operations 2014-03-09T07:15:11+00:00 Roger Quadros rogerq@ti.com 2014-03-06T14:38:43+00:00 629138dbaec33cecbb61fda1f5c1f047a1374993 Limit .power_on() and .power_off() to just control the PHY power and not the DPLL. The DPLL will be enabled in .init() and idled in .exit(). Don't reprogram the DPLL if it has been already locked by the bootloader. This fixes a problem with SATA, where it fails if SATA was used by the bootloader. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> 
Limit .power_on() and .power_off() to just control the
PHY power and not the DPLL. The DPLL will be enabled
in .init() and idled in .exit().

Don't reprogram the DPLL if it has been already locked
by the bootloader. This fixes a problem with SATA, where
it fails if SATA was used by the bootloader.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy: ti-pipe3: Don't get 'wkupclk' and 'refclk' for SATA PHY 2014-03-09T07:15:10+00:00 Roger Quadros rogerq@ti.com 2014-03-06T14:38:42+00:00 9c7f04436088b00727fa389e2b97b182d8488123 SATA PHY doesn't need 'wkupclk; and 'refclk' so don't try to get them for SATA PHY. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> 
SATA PHY doesn't need 'wkupclk; and 'refclk' so don't
try to get them for SATA PHY.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy: ti-pipe3: Add SATA DPLL support 2014-03-09T07:15:10+00:00 Roger Quadros rogerq@ti.com 2014-03-07T06:13:39+00:00 61f546747715683c334ef231fd648522312dc5ff USB and SATA DPLLs need different settings. Provide the SATA DPLL settings and use the proper DPLL settings based on device tree node's compatible_id. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> 
USB and SATA DPLLs need different settings. Provide
the SATA DPLL settings and use the proper DPLL settings
based on device tree node's compatible_id.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy: ti-pipe3: cleanup clock handling 2014-03-09T07:15:09+00:00 Roger Quadros rogerq@ti.com 2014-03-07T05:57:09+00:00 1562864f0f034ea393230b470d104e1196b4a5f1 As this driver is no longer USB specific, use generic clock names. - Fix PLL_SD_SHIFT from 9 to 10 - Don't separate prepare/unprepare clock from enable/disable. This ensures optimal power savings. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> 
As this driver is no longer USB specific, use generic clock names.
- Fix PLL_SD_SHIFT from 9 to 10
- Don't separate prepare/unprepare clock from enable/disable. This
  ensures optimal power savings.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy: rename struct omap_control_usb to struct omap_control_phy 2014-03-09T07:15:08+00:00 Kishon Vijay Abraham I kishon@ti.com 2014-03-06T14:38:37+00:00 14da699bc04212559d5dda19d3f07c807fb58dfd Rename struct omap_control_usb to struct omap_control_phy since it can be used to control PHY of USB, SATA and PCIE. Also move the driver and include files under *phy* and made the corresponding changes in the users of phy-omap-control. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> 
Rename struct omap_control_usb to struct omap_control_phy since it can
be used to control PHY of USB, SATA and PCIE. Also move the driver and
include files under *phy* and made the corresponding changes in the users
of phy-omap-control.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
drivers: phy: usb3/pipe3: Adapt pipe3 driver to Generic PHY Framework 2014-03-06T09:19:33+00:00 Kishon Vijay Abraham I kishon@ti.com 2014-03-03T11:38:12+00:00 a70143bbef6bf06050c32a26d99e917b3e82deb7 Adapted omap-usb3 PHY driver to Generic PHY Framework and moved phy-omap-usb3 driver in drivers/usb/phy to drivers/phy and also renamed the file to phy-ti-pipe3 since this same driver will be used for SATA PHY and PCIE PHY. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> 
Adapted omap-usb3 PHY driver to Generic PHY Framework and moved phy-omap-usb3
driver in drivers/usb/phy to drivers/phy and also renamed the file to
phy-ti-pipe3 since this same driver will be used for SATA PHY and
PCIE PHY.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>