diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-04-11 14:59:47 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-05-31 11:25:51 +0200 |
| commit | 8c58d891576c726bb8217842e955827ba8bb405a (patch) | |
| tree | ac23e6dd91afcf2c39ccafaba705e380b5bf48de /drivers/i2c/busses/i2c-stu300.c | |
| parent | 978577ea21fb05c12511c25b71e493859e36892f (diff) | |
| download | linux-8c58d891576c726bb8217842e955827ba8bb405a.tar.bz2 | |
i2c: stu300: device tree support
This adds device tree support for the ST DDC I2C driver known
as "stu300" in the kernel tree.
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-stu300.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-stu300.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index 0a6f941133f6..1beaa05a3d2c 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -17,6 +17,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/slab.h> +#include <linux/of_i2c.h> /* the name of this kernel module */ #define NAME "stu300" @@ -923,6 +924,7 @@ stu300_probe(struct platform_device *pdev) adap->nr = bus_nr; adap->algo = &stu300_algo; adap->dev.parent = &pdev->dev; + adap->dev.of_node = pdev->dev.of_node; i2c_set_adapdata(adap, dev); /* i2c device drivers may be active on return from add_adapter() */ @@ -934,6 +936,10 @@ stu300_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, dev); + dev_info(&pdev->dev, "ST DDC I2C @ %p, irq %d\n", + dev->virtbase, dev->irq); + of_i2c_register_devices(adap); + return 0; } @@ -978,11 +984,17 @@ stu300_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id stu300_dt_match[] = { + { .compatible = "st,ddci2c" }, + {}, +}; + static struct platform_driver stu300_i2c_driver = { .driver = { .name = NAME, .owner = THIS_MODULE, .pm = STU300_I2C_PM, + .of_match_table = stu300_dt_match, }, .remove = __exit_p(stu300_remove), |