linux-kernel - Re: [PATCH v8 0/5] Add C3 SoC PLLs and Peripheral clock

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Date: Fri, 03 May 2024 16:12:34 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Xianwei Zhao <xianwei.zhao@...ogic.com>
Cc: linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, Neil Armstrong
 <neil.armstrong@...aro.org>, Jerome Brunet <jbrunet@...libre.com>, Michael
 Turquette <mturquette@...libre.com>, Stephen  Boyd <sboyd@...nel.org>, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 Kevin Hilman <khilman@...libre.com>
Subject: Re: [PATCH v8 0/5] Add C3 SoC PLLs and Peripheral clock


On Tue 30 Apr 2024 at 14:44, Xianwei Zhao <xianwei.zhao@...ogic.com> wrote:

> Changes since V7 [1]:
>  - Remove included head file not used.
>  - Link to v7: https://lore.kernel.org/all/20240424050928.1997820-1-xianwei.zhao@amlogic.com
>

Overall this v8 looks good. Please address the remaining comments.

There is no need to rush sending a v9. Please allow some time for other
to review this. I will not apply a v9 until the -rc1 is out anyway.

> Changes since V6 [12]:
>  - Add pad src for rtc clock.
>  - Add SCMI clock controller support, move some clock node in SCMI,such as GP1 PLL DDR USB etc.
>  - Fix some spelling mistake.
>  - Use lower case for bindings and update some input clocks desc.
>  - Update some clock comments.
>  - Delete prefix "AML_" for macro definition.
>  - Addd some clock annotation and some clock flag CRITICAL.
>  - Add maximum for regmap_config.
>  - Delete some unused register definition and unused clock inputs. 
>  - Drop patch subject redundant "bindings". Suggested by Krzysztof.
>  - Not reference header file "clk.h" and replace comment. Suggested by Jerome.
>  - Modify description about board in Kconfig file help item. Suggested by Jerome.
>  - Link to v6: https://lore.kernel.org/all/20231106085554.3237511-1-xianwei.zhao@amlogic.com
>
> Changes since V5 [3]:
>  - Fix some typo and modify formart for MARCO. Suggested by Jerome.
>  - Add pad clock for peripheral input clock in bindings.
>  - Add some description for explaining why ddr_dpll_pt_clk and cts_msr_clk are out of tree.
> Changes since V4 [10]:
>  - Change some fw_name of clocks. Suggested by Jerome.
>  - Delete minItem of clocks.
>  - Add CLk_GET_RATE_NOCACHE flags for gp1_pll
>  - Fix some format. and fix width as 8 for mclk_pll_dco.
>  - exchange gate and divder for fclk_50m clock.
>  - add CLK_SET_RATE_PARENT for axi_a_divder & axi_b_divder.
>  - add CLK_IS_CRITICAL for axi_clk
>  - Optimized macro define for pwm clk.
>  - add cts_oscin_clk mux between 24M and 32k
>  - add some missing gate clock, such as ddr_pll.
> Changes since V3 [7]:
>  - Modify Kconfig desc and PLL yaml clk desc.
>  - Fix some format.Suggested by Yixun and Jerome.
>  - Add flag CLK_GET_RATE_NOCACHE for sys_clk.
>  - Optimized macro define for pwm clk.
>  - Use flag CLK_IS_CRITICAL for axi_clk.
>  - Add some description for some clocks.
>  - Use FCLK_50M instead of FCLK_DIV40.
> Changes since V2 [4]:
>  - Modify some format, include clk name & inline, and so on.
>  - Define marco for pwm clock.
>  - Add GP1_PLL clock.
>  - Modify yaml use raw instead of macro.
> Changes since V1 [2]:
>  - Fix errors when check binding by using "make dt_binding_check".
>  - Delete macro definition.
>
> Xianwei Zhao (5):
>   dt-bindings: clock: add Amlogic C3 PLL clock controller
>   dt-bindings: clock: add Amlogic C3 SCMI clock controller support
>   dt-bindings: clock: add Amlogic C3 peripherals clock controller
>   clk: meson: c3: add support for the C3 SoC PLL clock
>   clk: meson: c3: add c3 clock peripherals controller driver
>
>  .../clock/amlogic,c3-peripherals-clkc.yaml    |  120 +
>  .../bindings/clock/amlogic,c3-pll-clkc.yaml   |   59 +
>  drivers/clk/meson/Kconfig                     |   29 +
>  drivers/clk/meson/Makefile                    |    2 +
>  drivers/clk/meson/c3-peripherals.c            | 2365 +++++++++++++++++
>  drivers/clk/meson/c3-pll.c                    |  746 ++++++
>  .../clock/amlogic,c3-peripherals-clkc.h       |  212 ++
>  .../dt-bindings/clock/amlogic,c3-pll-clkc.h   |   40 +
>  .../dt-bindings/clock/amlogic,c3-scmi-clkc.h  |   27 +
>  9 files changed, 3600 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/amlogic,c3-peripherals-clkc.yaml
>  create mode 100644 Documentation/devicetree/bindings/clock/amlogic,c3-pll-clkc.yaml
>  create mode 100644 drivers/clk/meson/c3-peripherals.c
>  create mode 100644 drivers/clk/meson/c3-pll.c
>  create mode 100644 include/dt-bindings/clock/amlogic,c3-peripherals-clkc.h
>  create mode 100644 include/dt-bindings/clock/amlogic,c3-pll-clkc.h
>  create mode 100644 include/dt-bindings/clock/amlogic,c3-scmi-clkc.h
>
>
> base-commit: ba535bce57e71463a86f8b33a0ea88c26e3a6418


-- 
Jerome