pata: cirrus: add DT support for Cirrus EP93xx

- find register range from the device tree
- get interrupts from device tree

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index 6c75a22db12b92258f121d203acf674f4e659075..9e9e44d58c77dff3fbc5e77f5da2c1d1289d15f0 100644 (file)
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -40,6 +40,8 @@
 #include <linux/ata.h>
 #include <linux/libata.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/delay.h>
 #include <linux/dmaengine.h>
 #include <linux/ktime.h>
@@ -1017,9 +1019,18 @@ static int ep93xx_pata_remove(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id ep93xx_pata_of_ids[] = {
+       { .compatible = "cirrus,ep93xx-pata" },
+       {},
+};
+MODULE_DEVICE_TABLE(of, ep93xx_pata_of_ids);
+#endif
+
 static struct platform_driver ep93xx_pata_platform_driver = {
        .driver = {
                .name = DRV_NAME,
+               .of_match_table = of_match_ptr(ep93xx_pata_of_ids),
        },
        .probe = ep93xx_pata_probe,
        .remove = ep93xx_pata_remove,