linux-kernel - Re: [PATCH 2/4] pinctrl: eyeq5: add driver

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Date: Tue, 19 Dec 2023 08:36:30 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Théo Lebrun <theo.lebrun@...tlin.com>,
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
 Gregory CLEMENT <gregory.clement@...tlin.com>,
 Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-mips@...r.kernel.org, linux-gpio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>
Subject: Re: [PATCH 2/4] pinctrl: eyeq5: add driver

On 18/12/2023 18:19, Théo Lebrun wrote:
> Add the Mobileye EyeQ5 pinctrl (pinconf & pinmux) controller driver. See
> the header comment for more information on how it works. This driver is
> specific to this platform; it might grow to add later support of other
> platforms from Mobileye.
> 
> Existing pins and their function live statically in the driver code
> rather than in the devicetree, see compatible match data.
> 
> Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
> ---
>  MAINTAINERS                     |   1 +
>  drivers/pinctrl/Kconfig         |  15 +
>  drivers/pinctrl/Makefile        |   1 +
>  drivers/pinctrl/pinctrl-eyeq5.c | 593 ++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 610 insertions(+)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d8d9583a5a06..5272b61d51d5 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -14558,6 +14558,7 @@ F:	Documentation/devicetree/bindings/reset/mobileye,eyeq5-reset.yaml
>  F:	arch/mips/boot/dts/mobileye/
>  F:	arch/mips/configs/generic/board-eyeq5.config
>  F:	arch/mips/generic/board-epm5.its.S
> +F:	drivers/pinctrl/pinctrl-eyeq5.c
>  F:	drivers/reset/reset-eyeq5.c
>  F:	include/dt-bindings/reset/mobileye,eyeq5-reset.h
>  F:	include/dt-bindings/soc/mobileye,eyeq5.h
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index 1de4e1edede0..e05c59116215 100644
> --- a/drivers/pinctrl/Kconfig
> +++ b/drivers/pinctrl/Kconfig
> @@ -195,6 +195,21 @@ config PINCTRL_EQUILIBRIUM
>  	  desired pin functions, configure GPIO attributes for LGM SoC pins.
>  	  Pin muxing and pin confi

...

> +
> +struct eq5p_match {
> +	unsigned int regs[EQ5P_REG_MAX];
> +	const struct pinctrl_pin_desc *pins;
> +	unsigned int npins;
> +	const struct eq5p_function *funcs;
> +	unsigned int nfuncs;
> +};

Do not declare types in the middle of the unit. This goes to the
begining of the file.


Best regards,
Krzysztof