[PATCH 0/6] Add support for QCOM GDSCs

Stanimir Varbanov svarbanov at mm-sol.com
Thu Mar 5 08:55:40 PST 2015


On 03/02/2015 09:02 AM, Rajendra Nayak wrote:
> GDSCs (Global Distributed Switch Controllers) control switches
> that supply power to an on-chip power domain and hence can be
> programmed in SW to safely power collapse and restore power to the
> respective PDs. They are part of a considerable number of recent QCOM
> SoCs (This series adds support for msm8974, msm8916 and apq8084 devices)
> and are part of the Clock control block.
> 
> The series implements support for GDSC using the genpd framework
> modelling these as SW controllable power domains.
> 
> 8916 support has a dependency on the Global Clock controller support [1]
> posted by Georgi Djakov.
> 
> [1] 
> https://lkml.org/lkml/2015/2/25/416
> 
> Rajendra Nayak (3):
>   clk: qcom: gdsc: Prepare common clk probe to register gdscs
>   clk: qcom: gdsc: Add GDSCs in msm8916 GCC
>   clk: qcom: gdsc: Add GDSCs in apq8084 GCC
> 
> Stephen Boyd (3):
>   clk: qcom: Add support for GDSCs
>   clk: qcom: gdsc: Add GDSCs in msm8974 GCC
>   clk: qcom: gdsc: Add GDSCs in msm8974 MMCC
> 
>  drivers/clk/qcom/Kconfig                      |   8 ++
>  drivers/clk/qcom/Makefile                     |   1 +
>  drivers/clk/qcom/common.c                     |  27 +++++-
>  drivers/clk/qcom/common.h                     |   2 +
>  drivers/clk/qcom/gcc-apq8084.c                |  38 ++++++++
>  drivers/clk/qcom/gcc-msm8916.c                |  46 +++++++++
>  drivers/clk/qcom/gcc-msm8974.c                |  14 +++
>  drivers/clk/qcom/gdsc.c                       | 130 ++++++++++++++++++++++++++
>  drivers/clk/qcom/gdsc.h                       |  43 +++++++++
>  drivers/clk/qcom/mmcc-msm8974.c               |  54 +++++++++++
>  include/dt-bindings/clock/qcom,gcc-apq8084.h  |   6 ++
>  include/dt-bindings/clock/qcom,gcc-msm8916.h  |   8 ++
>  include/dt-bindings/clock/qcom,gcc-msm8974.h  |   3 +
>  include/dt-bindings/clock/qcom,mmcc-msm8974.h |   8 ++
>  14 files changed, 387 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/clk/qcom/gdsc.c
>  create mode 100644 drivers/clk/qcom/gdsc.h
> 

You missed a patch who adds appropriate changes in qcom,gcc.txt
(qcom,mmcc.txt), at least #power-domain-cells property should be described.

-- 
regards,
Stan



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