pata_arasan: add Device Tree probing capability

SPEAr platforms now support DT and so must convert all drivers to support DT.
This patch adds DT probing support for Arasan Compact Flash controller and
updates its documentation too.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index d82c6dc0c20c..26201ebef3ca 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -31,6 +31,7 @@
 #include <linux/kernel.h>
 #include <linux/libata.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/pata_arasan_cf_data.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
@@ -935,6 +936,14 @@ static int arasan_cf_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(arasan_cf_pm_ops, arasan_cf_suspend, arasan_cf_resume);
 
+#ifdef CONFIG_OF
+static const struct of_device_id arasan_cf_id_table[] = {
+        { .compatible = "arasan,cf-spear1340" },
+        {}
+};
+MODULE_DEVICE_TABLE(of, arasan_cf_id_table);
+#endif
+
 static struct platform_driver arasan_cf_driver = {
         .probe          = arasan_cf_probe,
         .remove         = __devexit_p(arasan_cf_remove),
@@ -942,6 +951,7 @@ static struct platform_driver arasan_cf_driver = {
                 .name   = DRIVER_NAME,
                 .owner  = THIS_MODULE,
                 .pm     = &arasan_cf_pm_ops,
+                .of_match_table = of_match_ptr(arasan_cf_id_table),
         },
 };