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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2015-10-19 13:37:42 +0900
committerHerbert Xu <herbert@gondor.apana.org.au>2015-10-20 22:13:59 +0800
commit642c117b927fae34cb85ac7ff278f5fc5bb93a47 (patch)
tree763864e72b7019a6441ff2b22f429b2c14c6c640 /drivers/char
parentbd1dffb1424682ac5b5849e0998c26dffcd61d9e (diff)
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hwrng: exynos - Add Device Tree support
Add Device Tree support for the driver. The Pseudo Random Number Generator module is the same in almost all of Exynos SoCs, since Exynos4210 (however the tests were done only on Trats2 board with Exynos4412). There are some differences on newer Exynos Octa (Exynos542x) SoCs. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/exynos-rng.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
index dc06c78bc1d7..30cf4623184f 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -188,10 +188,19 @@ static const struct dev_pm_ops exynos_rng_pm_ops = {
exynos_rng_runtime_resume, NULL)
};
+static const struct of_device_id exynos_rng_dt_match[] = {
+ {
+ .compatible = "samsung,exynos4-rng",
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(of, exynos_rng_dt_match);
+
static struct platform_driver exynos_rng_driver = {
.driver = {
.name = "exynos-rng",
.pm = &exynos_rng_pm_ops,
+ .of_match_table = exynos_rng_dt_match,
},
.probe = exynos_rng_probe,
};