From: Stefan Wahren <wahrenst@gmx.net>
Date: Tue, 19 Nov 2019 19:16:20 -0800
Subject: hwrng: iproc-rng200 - Add support for BCM2711
Git-commit: 0f95b09a5f624964d520c8f6a2674090fb98ae25
Patch-mainline: v5.6-rc1
References: jsc#SLE-7772

BCM2711 features a RNG200 hardware random number generator block.
So make the driver available.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Stephen Brennan <stephen@brennan.io>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 drivers/char/hw_random/Kconfig        |    2 +-
 drivers/char/hw_random/iproc-rng200.c |    2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -90,7 +90,7 @@ config HW_RANDOM_BCM2835
 
 config HW_RANDOM_IPROC_RNG200
 	tristate "Broadcom iProc/STB RNG200 support"
-	depends on ARCH_BCM_IPROC || ARCH_BRCMSTB
+	depends on ARCH_BCM_IPROC || ARCH_BCM2835 || ARCH_BRCMSTB
 	default HW_RANDOM
 	---help---
 	  This driver provides kernel-side support for the RNG200
--- a/drivers/char/hw_random/iproc-rng200.c
+++ b/drivers/char/hw_random/iproc-rng200.c
@@ -220,9 +220,11 @@ static int iproc_rng200_probe(struct pla
 }
 
 static const struct of_device_id iproc_rng200_of_match[] = {
+	{ .compatible = "brcm,bcm2711-rng200", },
 	{ .compatible = "brcm,bcm7211-rng200", },
 	{ .compatible = "brcm,bcm7278-rng200", },
 	{ .compatible = "brcm,iproc-rng200", },
+	{ .compatible = "brcm,bcm2838-rng200"},
 	{},
 };
 MODULE_DEVICE_TABLE(of, iproc_rng200_of_match);