Hi,
I propose the bindings to go through the Samsung tree as well so that we
can match the compatible with the schema when pulling the DT patch.
Thanks!
ta
---
Enable GS101 TRNG support. It works well with the current Exynos850 TRNG
support. Tested on pixel 6 like this:
cat /sys/devices/virtual/misc/hw_random/rng_current
10141400.rng
dd if=/dev/hwrng bs=100000 count=1 > /dev/null
1+0 records in
1+0 records out
100000 bytes (100 kB, 98 KiB) copied, 2.03619 s, 49.1 kB/s
rngtest -c 1000 < /dev/hwrng
rngtest 6.17
...
rngtest: starting FIPS tests...
rngtest: bits received from input: 20000032
rngtest: FIPS 140-2 successes: 1000
rngtest: FIPS 140-2 failures: 0
rngtest: FIPS 140-2(2001-10-10) Monobit: 0
rngtest: FIPS 140-2(2001-10-10) Poker: 0
rngtest: FIPS 140-2(2001-10-10) Runs: 0
rngtest: FIPS 140-2(2001-10-10) Long run: 0
rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
rngtest: input channel speed: (min=380.570; avg=385.422; max=386.964)Kibits/s
rngtest: FIPS tests speed: (min=75.092; avg=81.784; max=84.771)Mibits/s
rngtest: Program run time: 50908949 microseconds
To: Łukasz Stelmach <l.stelmach@samsung.com>
To: Olivia Mackall <olivia@selenic.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
To: Rob Herring <robh@kernel.org>
To: Krzysztof Kozlowski <krzk+dt@kernel.org>
To: Conor Dooley <conor+dt@kernel.org>
To: Alim Akhtar <alim.akhtar@samsung.com>
To: Peter Griffin <peter.griffin@linaro.org>
To: André Draszik <andre.draszik@linaro.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: semen.protsenko@linaro.org
Cc: willmcvicker@google.com
Cc: kernel-team@android.com
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-crypto@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
---
Changes in v3:
- dt-bindings: put 'power-domains' prop in alphabetic order
- Link to v2: https://lore.kernel.org/r/20251024-gs101-trng-v2-0-c2bb81322da4@linaro.org
Changes in v2:
- dt-bindings: add power-domains. Collect R-b.
- Link to v1: https://lore.kernel.org/r/20251022-gs101-trng-v1-0-8817e2d7a6fc@linaro.org
---
Tudor Ambarus (2):
dt-bindings: rng: add google,gs101-trng compatible
arm64: dts: exynos: gs101: add TRNG node
.../devicetree/bindings/rng/samsung,exynos5250-trng.yaml | 13 ++++++++++---
arch/arm64/boot/dts/exynos/google/gs101.dtsi | 9 +++++++++
2 files changed, 19 insertions(+), 3 deletions(-)
---
base-commit: 73f7017e663620a616171cc80d62504a624dc4de
change-id: 20251022-gs101-trng-54b710218424
Best regards,
--
Tudor Ambarus <tudor.ambarus@linaro.org>