lkml.org 
[lkml]   [2013]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv2 4/5] wl1251: spi: add device tree support
Date
Add device tree support for the spi variant of wl1251.

Signed-off-by: Sebastian Reichel <sre@debian.org>
---
drivers/net/wireless/ti/wl1251/spi.c | 23 +++++++++++++++++------
1 file changed, 17 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/ti/wl1251/spi.c b/drivers/net/wireless/ti/wl1251/spi.c
index 0a8aacc..b06d36d 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);
--
1.8.4.3


\
 
 \ /
  Last update: 2013-12-06 01:41    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean