linux-kernel - Re: [PATCH v10 06/10] clk: Add Sunplus SP7021 clock driver

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Date:   Thu, 10 Mar 2022 10:25:25 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Qin Jian <qinjian@...lus1.com>, robh+dt@...nel.org
Cc:     mturquette@...libre.com, sboyd@...nel.org, tglx@...utronix.de,
        maz@...nel.org, p.zabel@...gutronix.de, linux@...linux.org.uk,
        broonie@...nel.org, arnd@...db.de, stefan.wahren@...e.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH v10 06/10] clk: Add Sunplus SP7021 clock driver

On 10/03/2022 07:28, Qin Jian wrote:
> Add clock driver for Sunplus SP7021 SoC.
> 
> Signed-off-by: Qin Jian <qinjian@...lus1.com>
> ---
> Refine the macro DBG_CLK
> Refine the clock_parent_data
> ---
>  MAINTAINERS              |   1 +
>  drivers/clk/Kconfig      |  10 +
>  drivers/clk/Makefile     |   1 +
>  drivers/clk/clk-sp7021.c | 741 +++++++++++++++++++++++++++++++++++++++
>  4 files changed, 753 insertions(+)
>  create mode 100644 drivers/clk/clk-sp7021.c
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 90ebb823f..5069f552f 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2663,6 +2663,7 @@ W:	https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview
>  F:	Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml
>  F:	Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml
>  F:	Documentation/devicetree/bindings/reset/sunplus,reset.yaml
> +F:	drivers/clk/clk-sp7021.c
>  F:	drivers/reset/reset-sunplus.c
>  F:	include/dt-bindings/clock/sp-sp7021.h
>  F:	include/dt-bindings/reset/sp-sp7021.h
> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
> index c5b3dc973..39751f9b9 100644
> --- a/drivers/clk/Kconfig
> +++ b/drivers/clk/Kconfig
> @@ -334,6 +334,16 @@ config COMMON_CLK_VC5
>  	  This driver supports the IDT VersaClock 5 and VersaClock 6
>  	  programmable clock generators.
>  
> +config COMMON_CLK_SP7021
> +	bool "Clock driver for Sunplus SP7021 SoC"
> +	depends on SOC_SP7021 || COMPILE_TEST
> +	default SOC_SP7021
> +	help
> +	  This driver supports the Sunplus SP7021 SoC clocks.
> +	  It implements SP7021 PLLs/gate.
> +	  Not all features of the PLL are currently supported
> +	  by the driver.
> +
>  config COMMON_CLK_STM32MP157
>  	def_bool COMMON_CLK && MACH_STM32MP157
>  	help
> diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
> index e42312121..f15bb5070 100644
> --- a/drivers/clk/Makefile
> +++ b/drivers/clk/Makefile
> @@ -60,6 +60,7 @@ obj-$(CONFIG_COMMON_CLK_SI5351)		+= clk-si5351.o
>  obj-$(CONFIG_COMMON_CLK_SI514)		+= clk-si514.o
>  obj-$(CONFIG_COMMON_CLK_SI544)		+= clk-si544.o
>  obj-$(CONFIG_COMMON_CLK_SI570)		+= clk-si570.o
> +obj-$(CONFIG_COMMON_CLK_SP7021)		+= clk-sp7021.o
>  obj-$(CONFIG_COMMON_CLK_STM32F)		+= clk-stm32f4.o
>  obj-$(CONFIG_COMMON_CLK_STM32H7)	+= clk-stm32h7.o
>  obj-$(CONFIG_COMMON_CLK_STM32MP157)	+= clk-stm32mp1.o
> diff --git a/drivers/clk/clk-sp7021.c b/drivers/clk/clk-sp7021.c
> new file mode 100644
> index 000000000..35ae19d65
> --- /dev/null
> +++ b/drivers/clk/clk-sp7021.c
> @@ -0,0 +1,741 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +/*
> + * Copyright (C) Sunplus Technology Co., Ltd.
> + *       All rights reserved.
> + */
> +//#define DEBUG

No dead code, please.


Best regards,
Krzysztof