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[kernel] make rtl8366 driver OF capable

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34682 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2012-12-15 01:59:08 +00:00
parent 1971309ae5
commit 6886519f62
6 changed files with 121 additions and 66 deletions
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67
target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
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@@ -15,6 +15,8 @@
#include <linux/gpio.h>
#include <linux/spinlock.h>
#include <linux/skbuff.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <linux/rtl8366.h>
#ifdef CONFIG_RTL8366_SMI_DEBUG_FS
@@ -1370,6 +1372,71 @@ void rtl8366_smi_cleanup(struct rtl8366_smi *smi)
}
EXPORT_SYMBOL_GPL(rtl8366_smi_cleanup);
#ifdef CONFIG_OF
int rtl8366_smi_probe_of(struct platform_device *pdev, struct rtl8366_smi *smi)
{
int sck = of_get_named_gpio(pdev->dev.of_node, "gpio-sck", 0);
int sda = of_get_named_gpio(pdev->dev.of_node, "gpio-sda", 0);
if (!sck || !sda) {
dev_err(&pdev->dev, "gpios missing in devictree\n");
return -EINVAL;
}
smi->gpio_sda = sda;
smi->gpio_sck = sck;
return 0;
}
#else
static inline int rtl8366_smi_probe_of(struct device_node *np, struct rtl8366_smi *smi)
{
return -ENODEV;
}
#endif
int rtl8366_smi_probe_plat(struct platform_device *pdev, struct rtl8366_smi *smi)
{
struct rtl8366_platform_data *pdata = pdev->dev.platform_data;
if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "no platform data specified\n");
return -EINVAL;
}
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
smi->hw_reset = pdata->hw_reset;
return 0;
}
struct rtl8366_smi *rtl8366_smi_probe(struct platform_device *pdev)
{
struct rtl8366_smi *smi;
int err;
smi = rtl8366_smi_alloc(&pdev->dev);
if (!smi)
return NULL;
if (pdev->dev.of_node)
err = rtl8366_smi_probe_of(pdev, smi);
else
err = rtl8366_smi_probe_plat(pdev, smi);
if (err)
goto free_smi;
return smi;
free_smi:
kfree(smi);
return NULL;
}
EXPORT_SYMBOL_GPL(rtl8366_smi_probe);
MODULE_DESCRIPTION("Realtek RTL8366 SMI interface driver");
MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
MODULE_LICENSE("GPL v2");