|
@@ -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 <[email protected]>");
|
|
|
MODULE_LICENSE("GPL v2");
|