linux-kernel - [PATCH 0/4] hwrng: add support for i.MX6 rngb

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Message-Id: <20200619213347.27826-1-horia.geanta@nxp.com>
Date:   Sat, 20 Jun 2020 00:33:43 +0300
From:   Horia Geantă <horia.geanta@....com>
To:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Martin Kaiser <martin@...ser.cx>,
        Franck Lenormand <franck.lenormand@....com>,
        Iuliana Prodan <iuliana.prodan@....com>,
        Silvano Di Ninno <silvano.dininno@....com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] hwrng: add support for i.MX6 rngb

Add support for RNGB found in some i.MX6 SoCs (6SL, 6SLL, 6ULL, 6ULZ),
based on RNGC driver (drivers/char/hw_random/imx-rngc.c).

This driver claims support also for RNGB (besides RNGC),
and is currently used only by i.MX25.

Note:

All the i.MX6 SoCs with RNGB have a DCP (Data Co-Processor)
crypto accelerator.

Several NXP SoC from QorIQ family (P1010, P1023, P4080, P3041, P5020)
also have a RNGB, however it's part of the CAAM
(Cryptograhic Accelerator and Assurance Module) crypto accelerator.
In this case, RNGB is managed in the caam driver
(drivers/crypto/caam/), since it's tightly related to
the caam "job ring" interface.

Horia Geantă (4):
  ARM: dts: imx6sl: fix rng node
  ARM: dts: imx6sll: add rng
  ARM: dts: imx6ull: add rng
  hwrng: imx-rngc: enable driver for i.MX6

 arch/arm/boot/dts/imx6sl.dtsi  | 2 ++
 arch/arm/boot/dts/imx6sll.dtsi | 7 +++++++
 arch/arm/boot/dts/imx6ull.dtsi | 7 +++++++
 drivers/char/hw_random/Kconfig | 2 +-
 4 files changed, 17 insertions(+), 1 deletion(-)

-- 
2.17.1