linux-kernel - [PATCH v1 0/3] hwrng: add hwrng support for Rockchip RK3568

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Message-Id: <20221112141059.3802506-1-aurelien@aurel32.net>
Date:   Sat, 12 Nov 2022 15:10:56 +0100
From:   Aurelien Jarno <aurelien@...el32.net>
To:     Olivia Mackall <olivia@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Lin Jinhan <troy.lin@...k-chips.com>
Cc:     linux-crypto@...r.kernel.org (open list:HARDWARE RANDOM NUMBER
        GENERATOR CORE),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Rockchip SoC
        support),
        linux-rockchip@...ts.infradead.org (open list:ARM/Rockchip SoC support),
        linux-kernel@...r.kernel.org (open list),
        Aurelien Jarno <aurelien@...el32.net>
Subject: [PATCH v1 0/3] hwrng: add hwrng support for Rockchip RK3568

Rockchip SoCs used to have a random number generator as part of their
crypto device, and support for it has to be added to the corresponding
driver.

However newer Rockchip SoCs like the RK3568 have an independent True
Random Number Generator device. This patchset adds a driver for it and
enable it in the device tree.

Aurelien Jarno (3):
  dt-bindings: RNG: Add Rockchip RNG bindings
  hwrng: add Rockchip SoC hwrng driver
  arm64: dts: rockchip: add DT entry for RNG to RK356x

 .../devicetree/bindings/rng/rockchip-rng.yaml |  62 +++++
 arch/arm64/boot/dts/rockchip/rk356x.dtsi      |   9 +
 drivers/char/hw_random/Kconfig                |  14 +
 drivers/char/hw_random/Makefile               |   1 +
 drivers/char/hw_random/rockchip-rng.c         | 251 ++++++++++++++++++
 5 files changed, 337 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/rockchip-rng.yaml
 create mode 100644 drivers/char/hw_random/rockchip-rng.c

-- 
2.35.1