On Tue, Jan 17, 2023 at 09:54:42AM +0800, Jia Jie Ho wrote: > This patch series adds kernel support for StarFive JH7110 hardware > random number generator. First 2 patches add binding docs and device > driver for this module. Patch 3 adds devicetree entry for VisionFive 2 > SoC. > > Patch 3 needs to be applied on top of: > https://patchwork.kernel.org/project/linux-riscv/patch/20221220011247.35560-7-hal.feng@xxxxxxxxxxxxxxxx/ > > Patch 3 also depends on additional clock and reset patches for stg > domain that are yet to be submitted to mailing list. > > Changes v4->v5: > - Updated status in MAINTAINERS. (Conor) > - Specified targeted device in Kconfig title and descriptions. (Conor) > - Removed unnecessary goto label in patch 2. (Conor) > - Enable runtime PM before registering hwrng in patch 2. (Conor) > > Changes v3->v4: > - Moved init_completion before IRQ registration to be prepared for > spurious interrupts. (Herbert) > - Added locks to guard concurrent write to the same register. (Herbert) > > Changes v2->v3: > - Use constant usecs and convert to jiffies. (Herbert) > - Removed sleep in irq handler. (Herbert) > - Limited wait time to 40us if wait == 0 for trng read. (Herbert) > > Changes v1->v2: > - Updated of_match_ptr and added pm_sleep_ptr. (Krzysztof) > - Dropped "status" in dts as module is always on. (Krzysztof) > > Jia Jie Ho (3): > dt-bindings: rng: Add StarFive TRNG module > hwrng: starfive - Add TRNG driver for StarFive SoC > riscv: dts: starfive: Add TRNG node for VisionFive 2 > > .../bindings/rng/starfive,jh7110-trng.yaml | 55 +++ > MAINTAINERS | 6 + > arch/riscv/boot/dts/starfive/jh7110.dtsi | 10 + > drivers/char/hw_random/Kconfig | 11 + > drivers/char/hw_random/Makefile | 1 + > drivers/char/hw_random/jh7110-trng.c | 393 ++++++++++++++++++ > 6 files changed, 476 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml > create mode 100644 drivers/char/hw_random/jh7110-trng.c > > -- > 2.25.1 Patches 1-2 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
