Dear Matthias, Rob, Mark, Just gentle ping. Thanks > On Mon, 2019-06-24 at 15:24 +0800, Neal Liu wrote: > > These patch series introduce a generic rng driver for Trustzone > > based kernel driver which would like to communicate with ATF > > SIP services. > > > > Patch #1 initials SMC fid table for Mediatek SIP interfaces and > > adds HWRNG related SMC call. > > > > Patch #2..3 adds mtk-sec-rng kernel driver for Trustzone based SoCs. > > For MediaTek SoCs on ARMv8 with TrustZone enabled, peripherals like > > entropy sources is not accessible from normal world (linux) and > > rather accessible from secure world (ATF/TEE) only. This driver aims > > to provide a generic interface to ATF rng service. > > > > > > changes since v1: > > - rename mt67xx-rng to mtk-sec-rng since all MediaTek ARMv8 SoCs > > can reuse this driver. > > - refine coding style and unnecessary check. > > > > changes since v2: > > - remove unused comments. > > - remove redundant variable. > > > > changes since v3: > > - add dt-bindings for MediaTek rng with TrustZone enabled > > - revise HWRNG SMC call fid > > > > > > Neal Liu (3): > > soc: mediatek: add SMC fid table for SIP interface > > dt-bindings: rng: add bindings for MediaTek ARMv8 SoCs > > hwrng: add mtk-sec-rng driver > > > > .../devicetree/bindings/rng/mtk-sec-rng.txt | 10 ++ > > drivers/char/hw_random/Kconfig | 16 +++ > > drivers/char/hw_random/Makefile | 1 + > > drivers/char/hw_random/mtk-sec-rng.c | 97 +++++++++++++++++++ > > include/linux/soc/mediatek/mtk_sip_svc.h | 33 +++++++ > > 5 files changed, 157 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/rng/mtk-sec-rng.txt > > create mode 100644 drivers/char/hw_random/mtk-sec-rng.c > > create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h > > >
