Re: [PATCH v7 5/5] clk: meson: c3: add c3 clock peripherals controller driver

[Rob Herring <robh@kernel.org>]

On Wed, Apr 24, 2024 at 01:09:28PM +0800, Xianwei Zhao wrote:
> Add the C3 peripherals clock controller driver in the C3 SoC family.
> 
> Co-developed-by: Chuan Liu <chuan.liu@amlogic.com>
> Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
> ---
>  drivers/clk/meson/Kconfig          |   15 +
>  drivers/clk/meson/Makefile         |    1 +
>  drivers/clk/meson/c3-peripherals.c | 2366 ++++++++++++++++++++++++++++
>  3 files changed, 2382 insertions(+)
>  create mode 100644 drivers/clk/meson/c3-peripherals.c
> 
> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
> index 9f975a980581..0b85d584910e 100644
> --- a/drivers/clk/meson/Kconfig
> +++ b/drivers/clk/meson/Kconfig
> @@ -142,6 +142,21 @@ config COMMON_CLK_C3_PLL
>  	  AKA C3. Say Y if you want the board to work, because PLLs are the parent
>  	  of most peripherals.
>  
> +config COMMON_CLK_C3_PERIPHERALS
> +	tristate "Amlogic C3 peripherals clock controller"
> +	depends on ARM64
> +	depends on ARM_SCMI_PROTOCOL

I may have missed it, but I don't see the dependency on SCMI in this 
driver.

> +	depends on COMMON_CLK_SCMI
> +	depends on COMMON_CLK_C3_PLL
> +	default y
> +	select COMMON_CLK_MESON_REGMAP
> +	select COMMON_CLK_MESON_DUALDIV
> +	select COMMON_CLK_MESON_CLKC_UTILS
> +	help
> +	  Support for the Peripherals clock controller on Amlogic C302X and
> +	  C308L devices, AKA C3. Say Y if you want the peripherals clock to
> +	  work.
> +
>  config COMMON_CLK_G12A
>  	tristate "G12 and SM1 SoC clock controllers support"
>  	depends on ARM64
> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
> index 4420af628b31..20ad9482c892 100644
> --- a/drivers/clk/meson/Makefile
> +++ b/drivers/clk/meson/Makefile
> @@ -20,6 +20,7 @@ obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
>  obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o
>  obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o
>  obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o
> +obj-$(CONFIG_COMMON_CLK_C3_PERIPHERALS) += c3-peripherals.o
>  obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
>  obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o
>  obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o
> diff --git a/drivers/clk/meson/c3-peripherals.c b/drivers/clk/meson/c3-peripherals.c
> new file mode 100644
> index 000000000000..0f834ced0ee9
> --- /dev/null
> +++ b/drivers/clk/meson/c3-peripherals.c
> @@ -0,0 +1,2366 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Amlogic C3 Peripherals Clock Controller Driver
> + *
> + * Copyright (c) 2023 Amlogic, inc.
> + * Author: Chuan Liu <chuan.liu@amlogic.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/of_device.h>

I don't think you need this header.

> +#include <linux/platform_device.h>
> +#include "clk-regmap.h"
> +#include "clk-dualdiv.h"
> +#include "meson-clkc-utils.h"
> +#include <dt-bindings/clock/amlogic,c3-peripherals-clkc.h>

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