diff options
| author | Sebastian Reichel <sre@debian.org> | 2014-02-15 00:05:55 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-02-28 14:08:27 -0500 |
| commit | 07bbca6f142d02b4b09d66ed3c2cde36c77057ad (patch) | |
| tree | 9c5b988777a0c7787d2f8f5e2522636f44463e48 /drivers/net/wireless/ti | |
| parent | e4c2e09e1534835c749de362b9b38e2d8b286236 (diff) | |
wl1251: spi: add device tree support
Add device tree support for the spi variant of wl1251.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ti')
| -rw-r--r-- | drivers/net/wireless/ti/wl1251/spi.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/wireless/ti/wl1251/spi.c b/drivers/net/wireless/ti/wl1251/spi.c index 0a8aacceedd..b06d36d9936 100644 --- a/drivers/net/wireless/ti/wl1251/spi.c +++ b/drivers/net/wireless/ti/wl1251/spi.c @@ -27,6 +27,8 @@ #include <linux/spi/spi.h> #include <linux/wl12xx.h> #include <linux/gpio.h> +#include <linux/of.h> +#include <linux/of_gpio.h> #include <linux/regulator/consumer.h> #include "wl1251.h" @@ -240,13 +242,13 @@ static const struct wl1251_if_operations wl1251_spi_ops = { static int wl1251_spi_probe(struct spi_device *spi) { - struct wl1251_platform_data *pdata; + struct wl1251_platform_data *pdata = dev_get_platdata(&spi->dev); + struct device_node *np = spi->dev.of_node; struct ieee80211_hw *hw; struct wl1251 *wl; int ret; - pdata = dev_get_platdata(&spi->dev); - if (!pdata) { + if (!np && !pdata) { wl1251_error("no platform data"); return -ENODEV; } @@ -273,7 +275,18 @@ static int wl1251_spi_probe(struct spi_device *spi) goto out_free; } - wl->power_gpio = pdata->power_gpio; + if (np) { + wl->use_eeprom = of_property_read_bool(np, "ti,wl1251-has-eeprom"); + wl->power_gpio = of_get_named_gpio(np, "ti,power-gpio", 0); + } else if (pdata) { + wl->power_gpio = pdata->power_gpio; + wl->use_eeprom = pdata->use_eeprom; + } + + if (wl->power_gpio == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto out_free; + } if (gpio_is_valid(wl->power_gpio)) { ret = devm_gpio_request_one(&spi->dev, wl->power_gpio, @@ -295,8 +308,6 @@ static int wl1251_spi_probe(struct spi_device *spi) goto out_free; } - wl->use_eeprom = pdata->use_eeprom; - irq_set_status_flags(wl->irq, IRQ_NOAUTOEN); ret = devm_request_irq(&spi->dev, wl->irq, wl1251_irq, 0, DRIVER_NAME, wl); |