| From: |
| Roland Stigge <stigge@antcom.de> |
| To: |
| grant.likely@secretlab.ca, linus.walleij@linaro.org,
linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
w.sang@pengutronix.de, jbe@pengutronix.de, plagnioj@jcrosoft.com,
highguy@gmail.com, broonie@opensource.wolfsonmicro.com |
| Subject: |
| [PATCH RFC 0/6 v3] gpio: Add block GPIO |
| Date: |
| Fri, 12 Oct 2012 21:11:19 +0200 |
| Message-ID: |
| <1350069085-13283-1-git-send-email-stigge@antcom.de> |
| Cc: |
| Roland Stigge <stigge@antcom.de> |
| Archive‑link: | |
Article |
This set of patches adds:
* Block GPIO API to gpiolib
* Sysfs support for GPIO API, to provide userland access
* Devicetree support to instantiate GPIO blocks via DT
* Example implementations in several gpio drivers since they need
special accessor functions for block wise GPIO access
Signed-off-by: Roland Stigge <stigge@antcom.de>
--
Changes since v2:
* Added sysfs support
* Added devicetree support
* Added support for lpc32xx, generic
* Added functions for GPIO block registration
* Added more error checking
* Bit remapping bugfix
Roland Stigge (6):
gpio: Add a block GPIO API to gpiolib
gpio: Add sysfs support to block GPIO API
gpio: Add device tree support to block GPIO API
gpio-max730x: Add block GPIO API
gpio-lpc32xx: Add block GPIO API
gpio-generic: Add block GPIO API
Documentation/ABI/testing/sysfs-gpio | 6
Documentation/devicetree/bindings/gpio/gpio-block.txt | 36
Documentation/gpio.txt | 45 +
drivers/gpio/Makefile | 1
drivers/gpio/gpio-generic.c | 56 +
drivers/gpio/gpio-lpc32xx.c | 78 +
drivers/gpio/gpio-max730x.c | 60 +
drivers/gpio/gpioblock-of.c | 83 +
drivers/gpio/gpiolib.c | 449 +++++++++-
include/asm-generic/gpio.h | 25
include/linux/gpio.h | 74 +
11 files changed, 911 insertions(+), 2 deletions(-)
--
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