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authorShawn Guo <shawn.guo@linaro.org>2012-05-12 07:43:32 +0200
committerShawn Guo <shawn.guo@linaro.org>2012-05-13 02:27:44 +0200
commitb2378668489d16eb1a1ac722e84cc6a9a1513ba0 (patch)
tree2cd477d1d479d861133e6e89b9af162c66a1e649 /drivers/i2c
parentARM: dts: enable mmc for imx28-evk (diff)
downloadlinux-b2378668489d16eb1a1ac722e84cc6a9a1513ba0.tar.xz
linux-b2378668489d16eb1a1ac722e84cc6a9a1513ba0.zip
i2c: mxs: add device tree probe support
Add device tree probe support for i2c-mxs driver. So far, it's only been tested on imx28. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-mxs.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 7fa73eed84a7..7dca58b0e746 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -27,6 +27,9 @@
#include <linux/jiffies.h>
#include <linux/io.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_i2c.h>
#include <mach/common.h>
@@ -371,6 +374,7 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
adap->algo = &mxs_i2c_algo;
adap->dev.parent = dev;
adap->nr = pdev->id;
+ adap->dev.of_node = pdev->dev.of_node;
i2c_set_adapdata(adap, i2c);
err = i2c_add_numbered_adapter(adap);
if (err) {
@@ -380,6 +384,8 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
return err;
}
+ of_i2c_register_devices(adap);
+
return 0;
}
@@ -399,10 +405,17 @@ static int __devexit mxs_i2c_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id mxs_i2c_dt_ids[] = {
+ { .compatible = "fsl,imx28-i2c", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxs_i2c_dt_ids);
+
static struct platform_driver mxs_i2c_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
+ .of_match_table = mxs_i2c_dt_ids,
},
.remove = __devexit_p(mxs_i2c_remove),
};