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| author | Stephen Warren <swarren@nvidia.com> | 2012-05-18 17:29:34 +0200 |
|---|---|---|
| committer | Wolfram Sang <w.sang@pengutronix.de> | 2012-06-04 16:49:43 +0200 |
| commit | ae58d1e406986f31d1e88b32f5ac601506c196d8 (patch) | |
| tree | 85f8973189b8e7bab81bdc235eeb1fb48176bb9d /drivers/power/wm831x_backup.c | |
| parent | Linux 3.5-rc1 (diff) | |
| download | linux-ae58d1e406986f31d1e88b32f5ac601506c196d8.tar.xz linux-ae58d1e406986f31d1e88b32f5ac601506c196d8.zip | |
i2c: Add generic I2C multiplexer using pinctrl API
This is useful for SoCs whose I2C module's signals can be routed to
different sets of pins at run-time, using the pinctrl API.
+-----+ +-----+
| dev | | dev |
+------------------------+ +-----+ +-----+
| SoC | | |
| /----|------+--------+
| +---+ +------+ | child bus A, on first set of pins
| |I2C|---|Pinmux| |
| +---+ +------+ | child bus B, on second set of pins
| \----|------+--------+--------+
| | | | |
+------------------------+ +-----+ +-----+ +-----+
| dev | | dev | | dev |
+-----+ +-----+ +-----+
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'drivers/power/wm831x_backup.c')
0 files changed, 0 insertions, 0 deletions