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[0/2] hwrng: bcm74110 - Add Broadcom BCM74110 RNG driver

Message ID 20241030213400.802264-1-mmayer@broadcom.com
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Series hwrng: bcm74110 - Add Broadcom BCM74110 RNG driver | expand

Message

Markus Mayer Oct. 30, 2024, 9:33 p.m. UTC 
This series adds a driver for the random number generator found on the
BCM74110 SoC.

Markus Mayer (2):
  dt-bindings: rng: add binding for BCM74110 RNG
  hwrng: bcm74110 - Add Broadcom BCM74110 RNG driver

 .../bindings/rng/brcm,bcm74110.yaml           |  35 +++++
 drivers/char/hw_random/Kconfig                |  14 ++
 drivers/char/hw_random/Makefile               |   1 +
 drivers/char/hw_random/bcm74110-rng.c         | 125 ++++++++++++++++++
 4 files changed, 175 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/brcm,bcm74110.yaml
 create mode 100644 drivers/char/hw_random/bcm74110-rng.c

Comments

Florian Fainelli Oct. 30, 2024, 9:41 p.m. UTC | #1 
On 10/30/24 14:33, Markus Mayer wrote:
> Add a driver for the random number generator present on the Broadcom
> BCM74110 SoC.
> 
> Signed-off-by: Markus Mayer <mmayer@broadcom.com>
> ---
>   drivers/char/hw_random/Kconfig        |  14 +++
>   drivers/char/hw_random/Makefile       |   1 +
>   drivers/char/hw_random/bcm74110-rng.c | 125 ++++++++++++++++++++++++++
>   3 files changed, 140 insertions(+)
>   create mode 100644 drivers/char/hw_random/bcm74110-rng.c
> 
> diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
> index b51d9e243f35..90ae35aeb23a 100644
> --- a/drivers/char/hw_random/Kconfig
> +++ b/drivers/char/hw_random/Kconfig
> @@ -99,6 +99,20 @@ config HW_RANDOM_BCM2835
>   
>   	  If unsure, say Y.
>   
> +config HW_RANDOM_BCM74110
> +	tristate "Broadcom BCM74110 Random Number Generator support"
> +	depends on ARCH_BCM2835 || ARCH_BCM_NSP || ARCH_BCM_5301X || \
> +		   ARCH_BCMBCA || BCM63XX || ARCH_BRCMSTB || COMPILE_TEST

AFAICT this driver is only present on STB chips so limiting to 
ARCH_BRCMSTB || COMPILE_TEST should suffice for now.
Markus Mayer Oct. 31, 2024, 6:35 p.m. UTC | #2 
On Wed, 30 Oct 2024 at 14:41, Florian Fainelli
<florian.fainelli@broadcom.com> wrote:
>
> On 10/30/24 14:33, Markus Mayer wrote:
> > Add a driver for the random number generator present on the Broadcom
> > BCM74110 SoC.
> >
> > Signed-off-by: Markus Mayer <mmayer@broadcom.com>
> > ---
> >   drivers/char/hw_random/Kconfig        |  14 +++
> >   drivers/char/hw_random/Makefile       |   1 +
> >   drivers/char/hw_random/bcm74110-rng.c | 125 ++++++++++++++++++++++++++
> >   3 files changed, 140 insertions(+)
> >   create mode 100644 drivers/char/hw_random/bcm74110-rng.c
> >
> > diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
> > index b51d9e243f35..90ae35aeb23a 100644
> > --- a/drivers/char/hw_random/Kconfig
> > +++ b/drivers/char/hw_random/Kconfig
> > @@ -99,6 +99,20 @@ config HW_RANDOM_BCM2835
> >
> >         If unsure, say Y.
> >
> > +config HW_RANDOM_BCM74110
> > +     tristate "Broadcom BCM74110 Random Number Generator support"
> > +     depends on ARCH_BCM2835 || ARCH_BCM_NSP || ARCH_BCM_5301X || \
> > +                ARCH_BCMBCA || BCM63XX || ARCH_BRCMSTB || COMPILE_TEST
>
> AFAICT this driver is only present on STB chips so limiting to
> ARCH_BRCMSTB || COMPILE_TEST should suffice for now.

This is now fixed in my tree. I will resend in a few days.

Regards,
-Markus