From: Andrew Lunn <andrew@lunn.ch>
To: linus.walleij@linaro.org
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
kaloz@openwrt.org,
Gregory Clement <gregory.clement@free-electrons.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>,
linux-gpio@vger.kernel.org, linux-pwm@vger.kernel.org,
Andrew Lunn <andrew@lunn.ch>
Subject: [PATCH 0/7] Add PWM support to mvebu gpio driver
Date: Sat, 10 Jan 2015 00:34:46 +0100 [thread overview]
Message-ID: <1420846493-31647-1-git-send-email-andrew@lunn.ch> (raw)
This patchset starts out with some cleanups and fixes for the mvebu
gpio driver. Then new functionality is added. The Armada 370 and XP
SoC has the ability to "blink" the gpio lines at a configuration on
and off duration. So simple PWM support is added. However only a
single gpio line per gpio chip can be used as a PWM line due to
limitations of the hardware. The last patch shows one example of how
this could be used, converting a gpio-fan into a pwm-fan, so allowing
finer control over its rotation speed, and hence noise. This last
patch is not expected to be accepted, since the device is not yet in
mainline.
Andrew Lunn (7):
gpio: mvebu: checkpatch fixes
gpio: mvebu: Fix probe cleanup on error
gpio: mvebu: Add limited PWM support
DT: bindings: Extend mvebu gpio documentation with PWM
mvebu: xp: Add pwm properties to .dtsi files
arm: mvebu: Enable PWM in defconfig
mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan
.../devicetree/bindings/gpio/gpio-mvebu.txt | 31 ++++
arch/arm/boot/dts/armada-370.dtsi | 10 +-
arch/arm/boot/dts/armada-xp-mv78230.dtsi | 10 +-
arch/arm/boot/dts/armada-xp-mv78260.dtsi | 8 +-
arch/arm/boot/dts/armada-xp-mv78460.dtsi | 10 +-
arch/arm/boot/dts/armada-xp-wrt1900ac.dts | 8 +-
arch/arm/configs/mvebu_v7_defconfig | 1 +
drivers/gpio/Kconfig | 5 +
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-mvebu-pwm.c | 202 +++++++++++++++++++++
drivers/gpio/gpio-mvebu.c | 133 +++++++-------
drivers/gpio/gpio-mvebu.h | 79 ++++++++
12 files changed, 421 insertions(+), 77 deletions(-)
create mode 100644 drivers/gpio/gpio-mvebu-pwm.c
create mode 100644 drivers/gpio/gpio-mvebu.h
--
2.1.3
next reply other threads:[~2015-01-09 23:34 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-09 23:34 Andrew Lunn [this message]
2015-01-09 23:34 ` [PATCH 1/7] gpio: mvebu: checkpatch fixes Andrew Lunn
2015-01-14 13:04 ` Linus Walleij
2015-01-09 23:34 ` [PATCH 2/7] gpio: mvebu: Fix probe cleanup on error Andrew Lunn
2015-01-14 13:05 ` Linus Walleij
2015-01-09 23:34 ` [PATCH 3/7] gpio: mvebu: Add limited PWM support Andrew Lunn
2015-01-12 11:05 ` Imre Kaloz
2015-01-12 13:12 ` Andrew Lunn
2015-01-12 14:06 ` Linus Walleij
2015-01-12 15:07 ` Andrew Lunn
2015-01-13 2:42 ` Andrew Lunn
2015-01-15 9:52 ` Linus Walleij
2015-01-17 20:04 ` Andrew Lunn
2015-01-18 10:04 ` Lee Jones
2015-01-19 12:59 ` Thierry Reding
2015-01-20 10:52 ` Lee Jones
2015-01-19 13:01 ` Thierry Reding
2015-06-12 10:38 ` Thierry Reding
2015-01-09 23:34 ` [PATCH 4/7] DT: bindings: Extend mvebu gpio documentation with PWM Andrew Lunn
2015-01-09 23:34 ` [PATCH 5/7] mvebu: xp: Add pwm properties to .dtsi files Andrew Lunn
2015-01-09 23:34 ` [PATCH 6/7] arm: mvebu: Enable PWM in defconfig Andrew Lunn
2015-01-09 23:34 ` [PATCH 7/7] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Andrew Lunn
2015-02-23 14:09 ` [PATCH 0/7] Add PWM support to mvebu gpio driver Gregory CLEMENT
2015-02-23 15:48 ` Andrew Lunn
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