linux-kernel - [PATCH v5 0/7] clk: qcom: msm8996: add APCS clock driver

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Message-Id: <20230126230319.3977109-1-dmitry.baryshkov@linaro.org>
Date:   Fri, 27 Jan 2023 01:03:12 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Taniya Das <quic_tdas@...cinc.com>,
        Jassi Brar <jassisinghbrar@...il.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 0/7] clk: qcom: msm8996: add APCS clock driver

The sys_apcs_aux clock can be used by CPU and CBF clock drivers to drive
those clocks from GPLL0 while doing initial setup. Add simple driver to
setup and export this clock.

Changes since v4:
- Expand comments in the apcs-msm8996 driver describing the delay and
  the reason for setting up the sys_apcs_aux clock as a fixed rate
  rather than a fixed factor clock.

Changes since v3:
- Split the patch 3/6 into two: first one moves existing strings, second
  one adds new compatible strings to the conditionals.

Changes since v2:
- Added the conditional clause to schema forbidding usage of clocks and
  clock-names on platforms which do not pass additional clocks to the
  APCS device node (Krzysztof)
- Added SDX55 compat string
- Moved MSM8976 compat to the list of platforms using syscon.

Changes since v1:
- Removed the clk.h header inclusion (Stephen)
- Changed the module license from GPL v2 to bare GPL.


Dmitry Baryshkov (7):
  dt-bindings: mailbox: qcom: add SDX55 compatible
  dt-bindings: mailbox: qcom: enable syscon compatible for msm8976
  dt-bindings: mailbox: qcom: correct the list of platforms using clocks
  dt-bindings: mailbox: qcom: add missing platforms to conditional
    clauses
  dt-bindings: mailbox: qcom: add #clock-cells to msm8996 example
  mailbox: qcom-apcs-ipc: enable APCS clock device for MSM8996
  clk: qcom: add the driver for the MSM8996 APCS clocks

 .../mailbox/qcom,apcs-kpss-global.yaml        | 37 ++++++--
 drivers/clk/qcom/Makefile                     |  2 +-
 drivers/clk/qcom/apcs-msm8996.c               | 88 +++++++++++++++++++
 drivers/mailbox/qcom-apcs-ipc-mailbox.c       |  2 +-
 4 files changed, 118 insertions(+), 11 deletions(-)
 create mode 100644 drivers/clk/qcom/apcs-msm8996.c

-- 
2.39.0