hwrng: bcm2835 - Add support for Broadcom BCM5301x

The Broadcom BCM5301x SoCs (Northstar) utilize the same random number
generator peripheral as Northstar Plus and BCM2835, but just like the
NSP SoC, we need to enable the interrupt.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 51401100466ba81c47f3abaea56159d261dfad65..56ad5a5936a9a3fb17f6480dceb7acd37e3c8be6 100644 (file)
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -90,7 +90,7 @@ config HW_RANDOM_BCM63XX
 
 config HW_RANDOM_BCM2835
        tristate "Broadcom BCM2835 Random Number Generator support"
-       depends on ARCH_BCM2835 || ARCH_BCM_NSP
+       depends on ARCH_BCM2835 || ARCH_BCM_NSP || ARCH_BCM_5301X
        default HW_RANDOM
        ---help---
          This driver provides kernel-side support for the Random Number

diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index 75ca820730be88f1da7cb2fb9bdd654f11d40829..af2149273fe049b075d0953034cda0aab1525f23 100644 (file)
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -70,6 +70,7 @@ static struct hwrng bcm2835_rng_ops = {
 static const struct of_device_id bcm2835_rng_of_match[] = {
        { .compatible = "brcm,bcm2835-rng"},
        { .compatible = "brcm,bcm-nsp-rng", .data = nsp_rng_init},
+       { .compatible = "brcm,bcm5301x-rng", .data = nsp_rng_init},
        {},
 };