Re: [PATCH v11 0/6] Add support for Qualcomm A53 CPU clock

From: Amit Kucheria
Date: Wed Dec 06 2017 - 00:51:28 EST


On Tue, Dec 5, 2017 at 9:16 PM, Georgi Djakov <georgi.djakov@xxxxxxxxxx> wrote:
> This patchset adds support for the A53 CPU clock on MSM8916 platforms
> and allows scaling of the CPU frequency on msm8916 based platforms.

Though it currently needs some additional patches (that'll follow
soon), FWIW, Tested-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>

> Changes since v10 (https://lkml.org/lkml/2017/12/1/577)
> * Addressed Bjorn's comments on APCS clock driver.
> * Picked Acks from Rob and Bjorn.
>
> Changes since v9 (https://lkml.org/lkml/2017/9/21/511)
> * Added the clock properties to the APCS DT node, instead of adding a subnode
> and also replaced patch "mailbox: qcom: Populate APCS child platform devices"
> with "mailbox: qcom: Create APCS child device for clock controller".
> * Dropped patch "mailbox: qcom: Move the apcs struct into a separate header",
> and use dev_get_regmap(dev->parent) in the child driver.
> * Addressed Bjorn's comments on a53-pll and apcs-clk drivers.
> * Added SPDX copyright identifiers.
>
> Changes since v8 (https://lkml.org/lkml/2017/6/23/476)
> * Converted APCS mailbox driver to use regmap and to populate child
> platform devices that will handle the rest of the functionality
> provided by APCS block.
> * Picked Rob's Ack for the PLL binding.
> * Changed the APCS binding and put it into a separate patch.
> * Addressed review comments.
> * Minor changes.
>
> Changes since v7 (https://lkml.org/lkml/2016/10/31/296)
> * Add the APCS clock controller to the APCS driver to expose both the
> mailbox and clock controller functionality as discussed earlier:
> https://lkml.org/lkml/2016/11/14/860
> * Changed the a53pll compatible string as suggested by Rob.
>
> Changes since v6 (https://lkml.org/lkml/2016/9/7/347)
> * Addressed various comments from Stephen Boyd
>
> Changes since v5 (https://lkml.org/lkml/2016/2/1/407)
> * Rebase to clk-next and update according to the recent API changes.
>
> Changes since v4 (https://lkml.org/lkml/2015/12/14/367)
> * Convert to builtin drivers as now __clk_lookup() is used
>
> Changes since v3 (https://lkml.org/lkml/2015/8/12/585)
> * Split driver into two parts - and separate A53 PLL and
> A53 clock controller drivers.
> * Drop the safe switch hook patch. Add a clock notifier in
> the clock provider to handle switching via safe mux and
> divider configuration.
>
> Changes since v2 (https://lkml.org/lkml/2015/7/24/526)
> * Drop gpll0_vote patch.
> * Switch to the new clk_hw_* APIs.
> * Rebase to the current clk-next.
>
> Changes since v1 (https://lkml.org/lkml/2015/6/12/193)
> * Drop SR2 PLL patch, as it is already applied.
> * Add gpll0_vote rate propagation patch.
> * Update/rebase patches to the current clk-next.
>
> Georgi Djakov (6):
> mailbox: qcom: Convert APCS IPC driver to use regmap
> mailbox: qcom: Create APCS child device for clock controller
> clk: qcom: Add A53 PLL support
> clk: qcom: Add regmap mux-div clocks support
> dt-bindings: mailbox: qcom: Document the APCS clock binding
> clk: qcom: Add APCS clock controller support
>
> .../devicetree/bindings/clock/qcom,a53pll.txt | 22 ++
> .../bindings/mailbox/qcom,apcs-kpss-global.txt | 18 ++
> drivers/clk/qcom/Kconfig | 21 ++
> drivers/clk/qcom/Makefile | 3 +
> drivers/clk/qcom/a53-pll.c | 110 ++++++++++
> drivers/clk/qcom/apcs-msm8916.c | 149 ++++++++++++++
> drivers/clk/qcom/clk-regmap-mux-div.c | 229 +++++++++++++++++++++
> drivers/clk/qcom/clk-regmap-mux-div.h | 46 +++++
> drivers/mailbox/qcom-apcs-ipc-mailbox.c | 35 +++-
> 9 files changed, 628 insertions(+), 5 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,a53pll.txt
> create mode 100644 drivers/clk/qcom/a53-pll.c
> create mode 100644 drivers/clk/qcom/apcs-msm8916.c
> create mode 100644 drivers/clk/qcom/clk-regmap-mux-div.c
> create mode 100644 drivers/clk/qcom/clk-regmap-mux-div.h
>
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