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7 Commits (e6631814fb3ac454fbbf47ea343c2b9508e4e1ba)

Author SHA1 Message Date
Stephen Warren f53f41597e ARM: tegra: fix tegra_powergate_sequence_power_up() inline
Remove an invalid semicolon from the inline dummy, thus solving:
In file included from drivers/gpu/drm/tegra/gr3d.c:15:0:
include/linux/tegra-powergate.h:119:1: error: expected identifier or '(' before '{' token

Fixes: 80b28791ff ("ARM: tegra: pass reset to tegra_powergate_sequence_power_up()")
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2014-01-14 08:01:10 -08:00
Thierry Reding 9d4450ae87 ARM: tegra: Add IO rail support
Add tegra_io_rail_power_off() and tegra_io_rail_power_on() functions to
put IO rails into or out of deep powerdown mode, respectively.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-12-16 14:03:09 -07:00
Thierry Reding 9a71657966 ARM: tegra: Add Tegra124 powergate support
Three new gates have been added for Tegra124: SOR, VIC and IRAM. In
addition, PCIe and SATA gates are again supported, like on Tegra20 and
Tegra30.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-12-16 14:02:51 -07:00
Stephen Warren 80b28791ff ARM: tegra: pass reset to tegra_powergate_sequence_power_up()
Tegra's clock driver now provides an implementation of the common
reset API (include/linux/reset.h). Use this instead of the old Tegra-
specific API; that will soon be removed.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
2013-12-11 16:43:11 -07:00
Thierry Reding 9886e1fd09 ARM: tegra: Provide dummy powergate implementation
In order to support increased build test coverage for drivers, implement
dummies for the powergate implementation. This will allow the drivers to
be built without requiring support for Tegra to be selected.

This patch solves the following build errors, which can be triggered in
v3.13-rc1 by selecting DRM_TEGRA without ARCH_TEGRA:

drivers/built-in.o: In function `gr3d_remove':
drivers/gpu/drm/tegra/gr3d.c:321: undefined reference to `tegra_powergate_power_off'
drivers/gpu/drm/tegra/gr3d.c:325: undefined reference to `tegra_powergate_power_off'
drivers/built-in.o: In function `gr3d_probe':
drivers/gpu/drm/tegra/gr3d.c:266: undefined reference to `tegra_powergate_sequence_power_up'
drivers/gpu/drm/tegra/gr3d.c:273: undefined reference to `tegra_powergate_sequence_power_up'

Signed-off-by: Thierry Reding <treding@nvidia.com>
[swarren, updated commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-11-25 13:34:51 -08:00
Thierry Reding bd6a9ddcb9 ARM: tegra: Add Tegra114 powergate support
Extend the list of power gates found on Tegra114. Note that there are
now holes in the list, so perhaps a simple array is no longer the best
data structure to represent it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-10-18 16:28:11 -06:00
Stephen Warren e4bcda2834 ARM: tegra: move <mach/powergate.h> to <linux/tegra-powergate.h>
This is required so that code such as Tegra's PCIe and clock drivers
can still access this header file once Tegra is converted to
multiplatform, and <mach/> no longer exists.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-29 18:10:22 -06:00