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| author | Grant Likely <grant.likely@secretlab.ca> | 2010-06-08 07:48:19 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-05 16:14:52 -0600 |
| commit | 959e85f7751c33d1a2dabc5cc3fe2ed0db7052e5 (patch) | |
| tree | eb466e1e2b9fae09a2639cdfa00a8e6996e34ca9 /drivers/i2c/i2c-core.c | |
| parent | 9fd049927ccba1c1d0343239b82f28c4e07fb95d (diff) | |
| download | op-kernel-dev-959e85f7751c33d1a2dabc5cc3fe2ed0db7052e5.zip op-kernel-dev-959e85f7751c33d1a2dabc5cc3fe2ed0db7052e5.tar.gz | |
i2c: Add OF-style registration and binding
This patch adds OF hooks to the i2c core so that devices can automatically
be registered based on device tree data.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 1cca263..5588ac1 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -30,6 +30,8 @@ #include <linux/init.h> #include <linux/idr.h> #include <linux/mutex.h> +#include <linux/of_i2c.h> +#include <linux/of_device.h> #include <linux/completion.h> #include <linux/hardirq.h> #include <linux/irqflags.h> @@ -70,6 +72,10 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) if (!client) return 0; + /* Attempt an OF style match */ + if (of_driver_match_device(dev, drv)) + return 1; + driver = to_i2c_driver(drv); /* match on an id table if there is one */ if (driver->id_table) @@ -790,6 +796,9 @@ static int i2c_register_adapter(struct i2c_adapter *adap) if (adap->nr < __i2c_first_dynamic_bus_num) i2c_scan_static_board_info(adap); + /* Register devices from the device tree */ + of_i2c_register_devices(adap); + /* Notify drivers */ mutex_lock(&core_lock); dummy = bus_for_each_drv(&i2c_bus_type, NULL, adap, |
