On Sun 09 Feb 10:34 PST 2020, Sibi Sankar wrote: Hi Georgi, Will you pick up the bindings and driver patches for v5.7? So that I can apply the dts patches. Regards, Bjorn > While there are no current consumers of the SDM845 interconnect device in > devicetree, take this opportunity to redefine the interconnect device nodes > as the previous definitions of using a single child node under the apps_rsc > device did not accurately capture the description of the hardware. > The Network-On-Chip (NoC) interconnect devices should be represented in a > manner akin to QCS404 platforms[1] where there is a separation of NoC devices > and its RPM/RPMh counterparts. > > The bcm-voter devices are representing the RPMh devices that the interconnect > providers need to communicate with and there can be more than one instance of > the Bus Clock Manager (BCM) which can live under different instances of Resource > State Coordinators (RSC). There are display use cases where consumers may need > to target a different bcm-voter (Some display specific RSC) than the default, > and there needs to be a way to represent this connection in devicetree. > > This patches series extends the discussions[2][3] involving the SDM845 > interconnect bindings by adding accompanying driver implementations > using the split NoC devices. Some of the code used to support the SDM845 > provider driver are refactored into common modules that can used by other > RPMh based interconnect providers such as SC7180[4]. This patch series also > updates existing sdm845 binding documentation to DT schema format using > json-schema. > > v3: > - Picked up Robs R-b for patch 1 > - Fixup qcom,bcm-voter.yaml. comments (Rob) > - Use qcom,bcm-voter instead of SoC specific compatible for > SDM845 and SC7180 (Odelu/Sibi) > - Fixup bindings check failures for qcom,sdm845.yaml > - Fixup the misc bugs. comments (Evan/Sibi) > - Fixup reg size for aggre1/2_noc > > v2: > - Reorganized dt-binding patches > - Fixed a bug that adds duplicate BCM node to voter (Georgi) > - Addressed misc. comments (Georgi) > > v1: https://lkml.org/lkml/2019/12/16/15 > > [1]: https://lkml.org/lkml/2019/6/13/143 > [2]: https://lkml.org/lkml/2019/7/19/1063 > [3]: https://lkml.org/lkml/2019/10/16/1793 > [4]: https://lkml.org/lkml/2019/11/26/389 > > David Dai (6): > dt-bindings: interconnect: Convert qcom,sdm845 to DT schema > dt-bindings: interconnect: Add YAML schemas for QCOM bcm-voter > dt-bindings: interconnect: Update Qualcomm SDM845 DT bindings > interconnect: qcom: Consolidate interconnect RPMh support > interconnect: qcom: sdm845: Split qnodes into their respective NoCs > arm64: dts: sdm845: Redefine interconnect provider DT nodes > > .../bindings/interconnect/qcom,bcm-voter.yaml | 45 + > .../bindings/interconnect/qcom,sdm845.txt | 24 - > .../bindings/interconnect/qcom,sdm845.yaml | 74 + > arch/arm64/boot/dts/qcom/sdm845.dtsi | 65 +- > drivers/interconnect/qcom/Kconfig | 13 +- > drivers/interconnect/qcom/Makefile | 4 + > drivers/interconnect/qcom/bcm-voter.c | 366 +++++ > drivers/interconnect/qcom/bcm-voter.h | 27 + > drivers/interconnect/qcom/icc-rpmh.c | 147 ++ > drivers/interconnect/qcom/icc-rpmh.h | 149 +++ > drivers/interconnect/qcom/sdm845.c | 1185 +++++++---------- > .../dt-bindings/interconnect/qcom,sdm845.h | 263 ++-- > 12 files changed, 1516 insertions(+), 846 deletions(-) > create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml > delete mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sdm845.txt > create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml > create mode 100644 drivers/interconnect/qcom/bcm-voter.c > create mode 100644 drivers/interconnect/qcom/bcm-voter.h > create mode 100644 drivers/interconnect/qcom/icc-rpmh.c > create mode 100644 drivers/interconnect/qcom/icc-rpmh.h > > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
