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path: root/drivers/i2c/busses/i2c-mxs.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-mxs.c')
-rw-r--r--drivers/i2c/busses/i2c-mxs.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 7fa73eed84a..04eb441b6ce 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -27,8 +27,10 @@
#include <linux/jiffies.h>
#include <linux/io.h>
#include <linux/pinctrl/consumer.h>
-
-#include <mach/common.h>
+#include <linux/stmp_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_i2c.h>
#define DRIVER_NAME "mxs-i2c"
@@ -112,13 +114,9 @@ struct mxs_i2c_dev {
struct i2c_adapter adapter;
};
-/*
- * TODO: check if calls to here are really needed. If not, we could get rid of
- * mxs_reset_block and the mach-dependency. Needs an I2C analyzer, probably.
- */
static void mxs_i2c_reset(struct mxs_i2c_dev *i2c)
{
- mxs_reset_block(i2c->regs);
+ stmp_reset_block(i2c->regs);
writel(MXS_I2C_IRQ_MASK << 8, i2c->regs + MXS_I2C_CTRL1_SET);
writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE,
i2c->regs + MXS_I2C_QUEUECTRL_SET);
@@ -371,6 +369,7 @@ 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 +379,8 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
return err;
}
+ of_i2c_register_devices(adap);
+
return 0;
}
@@ -399,10 +400,17 @@ 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),
};