On Wed, Oct 16, 2024 at 10:04:17AM +0200, Gatien Chevallier wrote: > This patchset adds support for the Random Number > Generator(RNG) present on the stm32mp25x platforms. > On these platforms, the clock management and the RNG > parameters are different. > > While there, update the RNG max clock frequency on > stm32mp15 platforms according to the latest specs. > > Tested on the stm32mp257f-ev1 platform with a deep > power sequence with rngtest before/after the sequence with > satisfying results. > > Same was done on stm32mp135f-dk to make sure no regression was added. > > On stm32mp157c-dk2, I didn't perform a power sequence but the rngtest > results were satisfying. > > Signed-off-by: Gatien Chevallier <gatien.chevallier@xxxxxxxxxxx> > --- > Changes in v4: > - Changed the restrictions on clock names per compatible > - Link to v3: https://lore.kernel.org/r/20241015-rng-mp25-v2-v3-0-87630d73e5eb@xxxxxxxxxxx > > Changes in v3: > - Add restriction on clock-names some compatibles > - Use clk_bulk APIs in the RNG driver to avoid manually handling clocks. > - Link to v2: https://lore.kernel.org/r/20241011-rng-mp25-v2-v2-0-76fd6170280c@xxxxxxxxxxx > > Changes in V2: > -Fixes in bindings > -Removed MP25 RNG example > -Renamed RNG clocks for mp25 to "core" and "bus" > > --- > Gatien Chevallier (4): > dt-bindings: rng: add st,stm32mp25-rng support > hwrng: stm32 - implement support for STM32MP25x platforms > hwrng: stm32 - update STM32MP15 RNG max clock frequency > arm64: dts: st: add RNG node on stm32mp251 > > .../devicetree/bindings/rng/st,stm32-rng.yaml | 28 +++++++- > arch/arm64/boot/dts/st/stm32mp251.dtsi | 10 +++ > drivers/char/hw_random/stm32-rng.c | 76 ++++++++++++++++------ > 3 files changed, 94 insertions(+), 20 deletions(-) > --- > base-commit: 8e929cb546ee42c9a61d24fae60605e9e3192354 > change-id: 20241011-rng-mp25-v2-b6460ef11e1f > > Best regards, > -- > Gatien Chevallier <gatien.chevallier@xxxxxxxxxxx> Patches 1-3 applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
