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Date: Tue, 31 Jul 2012 10:12:21 +0200
From: Thierry Reding <thierry.reding@...onic-design.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Subject: [GIT PULL] PWM subsystem for 3.6
Hi Linus,
The following changes since commit cfaf025112d3856637ff34a767ef785ef5cf2ca9:
Linux 3.5-rc2 (2012-06-08 18:40:09 -0700)
are available in the git repository at:
git://gitorious.org/linux-pwm/linux-pwm.git tags/for-3.6
for you to fetch changes up to 19891b20e7c275feb92d669f4b1879861f7e8c25:
pwm: pwm-tiehrpwm: PWM driver support for EHRPWM (2012-07-26 07:45:20 +0200)
----------------------------------------------------------------
PWM subsystem for Linux 3.6
The new PWM subsystem aims at collecting all implementations of the
legacy PWM API and to eventually replace it completely. The subsystem
has been in development for over half a year now and many drivers have
already been converted. It has been in linux-next for a couple of weeks
and there have been no major issues so I think it is ready for mainline
inclusion.
The biggest disadvantage of the legacy PWM API is that it allows only a
single implementation and therefore prevents multiple PWM drivers to be
built into the same kernel image. The PWM framework solves this issue
by keeping the same public API, but at the same time adding a core to
which PWM providers can register. This has the advantage that nothing
changes for users of the legacy API, while at the same time allowing the
implementation changes that are required to move away from the global
namespace of PWM devices in order to support multiple PWM providers in
the same system.
----------------------------------------------------------------
Alexandre Courbot (1):
pwm_backlight: pass correct brightness to callback
Alexandre Pereira da Silva (1):
pwm: add lpc32xx PWM support
Axel Lin (7):
pwm: Convert pwm-imx to use devm_* APIs
pwm: Convert pwm-vt8500 to use devm_* APIs
pwm: Convert pwm-pxa to use devm_* APIs
pwm: pwm-bfin: Return proper error if pwmchip_remove() fails
pwm: pwm-mxs: Return proper error if pwmchip_remove() fails
pwm: Convert pwm-tegra to use devm_clk_get()
pwm: Convert pwm-samsung to use devm_* APIs
Philip, Avinash (2):
pwm: pwm-tiecap: PWM driver support for ECAP APWM
pwm: pwm-tiehrpwm: PWM driver support for EHRPWM
Sachin Kamat (1):
pwm: Use pr_* functions in pwm-samsung.c file
Sascha Hauer (4):
pwm: Add PWM framework support
ARM i.MX: Move i.MX pwm driver to pwm framework
ARM Samsung: Move s3c pwm driver to pwm framework
ARM vt8500: Move vt8500 pwm driver to pwm framework
Shawn Guo (5):
pwm: add pwm-mxs support
pwm: pwm-mxs: encode soc name in compatible string
pwm: pwm-mxs: use global reset function stmp_reset_block
pwm: pwm-mxs: use devm_* managed functions
pwm: pwm-mxs: add pinctrl support
Thierry Reding (15):
pwm: Allow chips to support multiple PWMs
pwm: Add debugfs interface
pwm: Add table-based lookup for static mappings
dt: Add empty of_property_match_string() function
dt: Add empty of_parse_phandle_with_args() function
pwm: Add device tree support
pwm: Add NVIDIA Tegra SoC support
pwm: tegra: Add device tree support
pwm: Move Blackfin PWM driver to PWM framework
pwm: Move PXA PWM driver to PWM framework
pwm-backlight: Add rudimentary device tree support
pwm: Take over maintainership of the PWM subsystem
pwm: Conflict with legacy PWM API
pwm: pxa: Propagate pwmchip_remove() error
pwm: fix used-uninitialized warning in pwm_get()
.../devicetree/bindings/pwm/lpc32xx-pwm.txt | 12 +
Documentation/devicetree/bindings/pwm/mxs-pwm.txt | 17 +
.../devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 18 +
Documentation/devicetree/bindings/pwm/pwm.txt | 57 ++
.../bindings/video/backlight/pwm-backlight.txt | 28 +
Documentation/pwm.txt | 76 +++
MAINTAINERS | 12 +
arch/arm/Kconfig | 1 -
arch/arm/boot/dts/tegra20.dtsi | 6 +
arch/arm/boot/dts/tegra30.dtsi | 6 +
arch/arm/mach-tegra/board-dt-tegra20.c | 1 +
arch/arm/mach-tegra/board-dt-tegra30.c | 3 +
arch/arm/mach-vt8500/Makefile | 2 -
arch/arm/mach-vt8500/pwm.c | 265 --------
arch/arm/plat-mxc/Kconfig | 6 -
arch/arm/plat-mxc/Makefile | 1 -
arch/arm/plat-pxa/Makefile | 1 -
arch/arm/plat-pxa/pwm.c | 304 ---------
arch/arm/plat-samsung/Makefile | 4 -
arch/blackfin/Kconfig | 10 -
arch/blackfin/kernel/Makefile | 1 -
arch/blackfin/kernel/pwm.c | 100 ---
drivers/Kconfig | 2 +
drivers/Makefile | 1 +
drivers/mfd/Kconfig | 1 +
drivers/misc/Kconfig | 1 +
drivers/pwm/Kconfig | 108 ++++
drivers/pwm/Makefile | 11 +
drivers/pwm/core.c | 713 +++++++++++++++++++++
drivers/pwm/pwm-bfin.c | 162 +++++
arch/arm/plat-mxc/pwm.c => drivers/pwm/pwm-imx.c | 204 ++----
drivers/pwm/pwm-lpc32xx.c | 148 +++++
drivers/pwm/pwm-mxs.c | 203 ++++++
drivers/pwm/pwm-pxa.c | 218 +++++++
.../pwm.c => drivers/pwm/pwm-samsung.c | 238 +++----
drivers/pwm/pwm-tegra.c | 261 ++++++++
drivers/pwm/pwm-tiecap.c | 232 +++++++
drivers/pwm/pwm-tiehrpwm.c | 411 ++++++++++++
drivers/pwm/pwm-vt8500.c | 177 +++++
drivers/video/backlight/Kconfig | 2 +-
drivers/video/backlight/pwm_bl.c | 159 ++++-
include/linux/of.h | 16 +
include/linux/pwm.h | 117 ++++
include/linux/pwm_backlight.h | 1 +
44 files changed, 3307 insertions(+), 1010 deletions(-)
create mode 100644 Documentation/devicetree/bindings/pwm/lpc32xx-pwm.txt
create mode 100644 Documentation/devicetree/bindings/pwm/mxs-pwm.txt
create mode 100644 Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
create mode 100644 Documentation/devicetree/bindings/pwm/pwm.txt
create mode 100644 Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
create mode 100644 Documentation/pwm.txt
delete mode 100644 arch/arm/mach-vt8500/pwm.c
delete mode 100644 arch/arm/plat-pxa/pwm.c
delete mode 100644 arch/blackfin/kernel/pwm.c
create mode 100644 drivers/pwm/Kconfig
create mode 100644 drivers/pwm/Makefile
create mode 100644 drivers/pwm/core.c
create mode 100644 drivers/pwm/pwm-bfin.c
rename arch/arm/plat-mxc/pwm.c => drivers/pwm/pwm-imx.c (50%)
create mode 100644 drivers/pwm/pwm-lpc32xx.c
create mode 100644 drivers/pwm/pwm-mxs.c
create mode 100644 drivers/pwm/pwm-pxa.c
rename arch/arm/plat-samsung/pwm.c => drivers/pwm/pwm-samsung.c (55%)
create mode 100644 drivers/pwm/pwm-tegra.c
create mode 100644 drivers/pwm/pwm-tiecap.c
create mode 100644 drivers/pwm/pwm-tiehrpwm.c
create mode 100644 drivers/pwm/pwm-vt8500.c
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