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authorLokesh Vutla <lokeshvutla@ti.com>2013-08-05 20:17:21 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2013-08-09 16:39:47 +1000
commitc903970ceaaaddb665d356d078372f0985d5948e (patch)
tree5fe7be693c98e0785ee4a470a94909f3cbff6575 /drivers/char
parent7256c476f79d2b50a32cecb0330362afd2fa0b50 (diff)
hwrng: omap - Add device tree support
Add Device Tree suport to the omap-rng driver. Currently, only support for OMAP2 and OMAP3 is being added but support for OMAP4 and OMAP5 will be added in a subsequent patch. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/omap-rng.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index 5a2ab3b3cd7..3076c9de7a0 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -24,6 +24,9 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
#include <asm/io.h>
@@ -104,6 +107,14 @@ static struct hwrng omap_rng_ops = {
.data_read = omap_rng_data_read,
};
+#if defined(CONFIG_OF)
+static const struct of_device_id omap_rng_of_match[] = {
+ { .compatible = "ti,omap2-rng" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, omap_rng_of_match);
+#endif
+
static int omap_rng_probe(struct platform_device *pdev)
{
struct omap_rng_private_data *priv;
@@ -197,6 +208,7 @@ static struct platform_driver omap_rng_driver = {
.name = "omap_rng",
.owner = THIS_MODULE,
.pm = OMAP_RNG_PM,
+ .of_match_table = of_match_ptr(omap_rng_of_match),
},
.probe = omap_rng_probe,
.remove = __exit_p(omap_rng_remove),