diff options
| author | Chen-Yu Tsai <wens@csie.org> | 2014-05-15 11:27:27 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 12:00:32 +0900 |
| commit | 088139392f261fd749e7e6073b861dc283079a84 (patch) | |
| tree | ac7cdae895b65309713c3465c539fc84a361a912 /net/rfkill | |
| parent | fd6e290bf3998ed1d63f2d38776ab68357238aca (diff) | |
| download | linux-3.10-088139392f261fd749e7e6073b861dc283079a84.tar.gz linux-3.10-088139392f261fd749e7e6073b861dc283079a84.tar.bz2 linux-3.10-088139392f261fd749e7e6073b861dc283079a84.zip | |
net: rfkill: gpio: add device tree support
Change-Id: Ic179fcf929d3555a29addd39024011537ea041fa
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Diffstat (limited to 'net/rfkill')
| -rw-r--r-- | net/rfkill/rfkill-gpio.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index a5819f92530..99c778cb35d 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -24,6 +24,7 @@ #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/slab.h> +#include <linux/of_gpio.h> #include <linux/rfkill-gpio.h> @@ -70,6 +71,18 @@ static const struct rfkill_ops rfkill_gpio_ops = { .set_block = rfkill_gpio_set_power, }; +static int rfkill_gpio_dt_probe(struct device *dev, + struct rfkill_gpio_data *rfkill) +{ + struct device_node * np = dev->of_node; + + rfkill->name = np->name; + of_property_read_string(np, "rfkill-name", &rfkill->name); + of_property_read_u32(np, "rfkill-type", &rfkill->type); + + return 0; +} + static int rfkill_gpio_probe(struct platform_device *pdev) { struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data; @@ -82,7 +95,11 @@ static int rfkill_gpio_probe(struct platform_device *pdev) if (!rfkill) return -ENOMEM; - if (pdata) { + if (&pdev->dev.of_node) { + ret = rfkill_gpio_dt_probe(&pdev->dev, rfkill); + if (ret) + return ret; + } else if (pdata) { clk_name = pdata->power_clk_name; rfkill->name = pdata->name; rfkill->type = pdata->type; @@ -170,12 +187,18 @@ static int rfkill_gpio_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id rfkill_of_match[] = { + { .compatible = "rfkill-gpio", }, + {}, +}; + static struct platform_driver rfkill_gpio_driver = { .probe = rfkill_gpio_probe, .remove = rfkill_gpio_remove, .driver = { .name = "rfkill_gpio", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(rfkill_of_match), }, }; |