linux-kernel - Re: [PATCH 0/5] Add support for MSM8996 clock controllers

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Date:	Wed, 18 Nov 2015 11:37:18 +0530
From:	Rajendra Nayak <rnayak@...eaurora.org>
To:	Stephen Boyd <sboyd@...eaurora.org>,
	Mike Turquette <mturquette@...libre.com>
CC:	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	Rajendra Nayak <rnayak@...eaurora.com>
Subject: Re: [PATCH 0/5] Add support for MSM8996 clock controllers


On 11/18/2015 06:37 AM, Stephen Boyd wrote:
> These patches add support for the global and multimedia clock controllers
> found on MSM8996 devices. The first patch allows us to implement a
> "power of two" divider of different widths with a table based divider.
> The second patch adds support for Alpha PLLs and the 3rd and 5th patches
> add support for the two clock controllers. The fourth patch is
> a new type of clock ops for the graphics clock that does some custom
> ping-pong between different PLLs when switching graphics frequencies.
> 
> Some work is still pending, mostly adding GDSCs and configuring the

I have the GDSC support patches done on top. Will post once I 
get some reasonable testing done.

> multimedia PLLs for FSM voting mode vs. manually enabling and
> disabling them. So a v2 is probably going to come out after
> some more testing is done.
> 
> Cc: Rajendra Nayak <rnayak@...eaurora.com>
> 
> Stephen Boyd (5):
>   clk: divider: Cap table divider values to 'width' member
>   clk: qcom: Add Alpha PLL support
>   clk: qcom: Add MSM8996 Global Clock Control (GCC) driver
>   clk: qcom: Add gfx3d ping-pong PLL frequency switching
>   clk: qcom: Add MSM8996 Multimedia Clock Controller (MMCC) driver
> 
>  .../devicetree/bindings/clock/qcom,gcc.txt         |    1 +
>  .../devicetree/bindings/clock/qcom,mmcc.txt        |    1 +
>  drivers/clk/clk-divider.c                          |    9 +-
>  drivers/clk/qcom/Kconfig                           |   17 +
>  drivers/clk/qcom/Makefile                          |    3 +
>  drivers/clk/qcom/clk-alpha-pll.c                   |  355 +++
>  drivers/clk/qcom/clk-alpha-pll.h                   |   57 +
>  drivers/clk/qcom/clk-rcg.h                         |    1 +
>  drivers/clk/qcom/clk-rcg2.c                        |   87 +
>  drivers/clk/qcom/gcc-msm8996.c                     | 3332 ++++++++++++++++++++
>  drivers/clk/qcom/mmcc-msm8996.c                    | 3209 +++++++++++++++++++
>  include/dt-bindings/clock/qcom,gcc-msm8996.h       |  333 ++
>  include/dt-bindings/clock/qcom,mmcc-msm8996.h      |  285 ++
>  13 files changed, 7686 insertions(+), 4 deletions(-)
>  create mode 100644 drivers/clk/qcom/clk-alpha-pll.c
>  create mode 100644 drivers/clk/qcom/clk-alpha-pll.h
>  create mode 100644 drivers/clk/qcom/gcc-msm8996.c
>  create mode 100644 drivers/clk/qcom/mmcc-msm8996.c
>  create mode 100644 include/dt-bindings/clock/qcom,gcc-msm8996.h
>  create mode 100644 include/dt-bindings/clock/qcom,mmcc-msm8996.h
> 

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