Linux Serial subsystem development
 help / color / mirror / Atom feed
From: Jaewon Kim <jaewon02.kim@samsung.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Rob Herring <robh+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
	linux-pwm@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH v3 3/4] pinctrl: samsung: support ExynosAuto GPIO structure
Date: Mon, 11 Dec 2023 11:44:21 +0900	[thread overview]
Message-ID: <04a874f4-df4b-2a9d-ea02-bbb63095d199@samsung.com> (raw)
In-Reply-To: <9d496fb5-25b4-4f1a-9652-4c54cf2d59a1@linaro.org>


On 23. 12. 10. 22:23, Krzysztof Kozlowski wrote:
> On 08/12/2023 08:45, Jaewon Kim wrote:
>> New ExynosAuto series GPIO have a different register structure.
>> In the existing Exynos series, EINT control register enumerated after
> Missing verb... or enumerated is past tense? I just don't get entire
> sentence.

Sorry, I will add 'is' like below.

In the existing Exynos series, the EINT control register is enumerated 
after a specific offset.


>
>> a specific offset (e.g EXYNOS_GPIO_ECON_OFFSET, EXYNOS_GPIO_EMASK_OFFSET).
>> However, from ExynosAutov920 SoC, the register that controls EINT belongs
>> to each GPIO bank, and each GPIO bank has 0x1000 align.
>>
>> This is a structure to protect the GPIO bank using S2MPU in VM environment,
>> and will only be applied in ExynosAuto series SoCs.
>>
>> -------------------------------------------------
>> | original		| ExynosAutov920	|
>> |-----------------------------------------------|
>> | 0x0	GPIO_CON	| 0x0	GPIO_CON	|
>> | 0x4	GPIO_DAT	| 0x4	GPIO_DAT	|
>> | 0x8	GPIO_PUD	| 0x8	GPIO_PUD	|
>> | 0xc	GPIO_DRV	| 0xc	GPIO_DRV	|
>> | 0x10	GPIO_CONPDN	| 0x10	GPIO_CONPDN	|
>> | 0x14	GPIO_PUDPDN	| 0x14	GPIO_PUDPDN	|
>> | 0x700	EINT_CON	| 0x18	EINT_CON	|
> This suggests there is EINT_CON per bank in old and new register layout.
> I don't think it's true, so probably this could look like:
>
> | ---                           | 0x18	EINT_CON (per_bank) |
> | ---                           | 0x18	EINT_FLTCON0 (per_bank) |
> | ---                           | 0x18	EINT_FLTCON1 (per_bank) |
> | ---                           | 0x18	EINT_MASK (per_bank) |
> | 0x700	EINT_CON (global)       | 0x18	EINT_CON	|
>
> etc..
>
> Also, please use spaces for alignment in the table.
>
Thanks you for your review.

I will add (global), (per_bank) for clearer expression.

And, I will use space instead of tab in v4.

>
> Best regards,
> Krzysztof
>
>

  reply	other threads:[~2023-12-11  2:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20231208075019epcas2p4cef1190e41adeaaf47b7763cc86c3d26@epcas2p4.samsung.com>
2023-12-08  7:45 ` [PATCH v3 0/4] Introduce ExynosAutov920 SoC and SADK board Jaewon Kim
2023-12-08  7:45   ` [PATCH v3 1/4] arm64: dts: exynos: add initial support for exynosautov920 SoC Jaewon Kim
2023-12-11  7:42     ` (subset) " Krzysztof Kozlowski
2023-12-11  7:43       ` Krzysztof Kozlowski
2023-12-08  7:45   ` [PATCH v3 2/4] arm64: dts: exynos: add minimal support for exynosautov920 sadk board Jaewon Kim
2023-12-11  7:42     ` (subset) " Krzysztof Kozlowski
2023-12-08  7:45   ` [PATCH v3 3/4] pinctrl: samsung: support ExynosAuto GPIO structure Jaewon Kim
2023-12-10 13:00     ` Krzysztof Kozlowski
2023-12-11  2:38       ` Jaewon Kim
2023-12-10 13:23     ` Krzysztof Kozlowski
2023-12-11  2:44       ` Jaewon Kim [this message]
2023-12-08  7:45   ` [PATCH v3 4/4] pinctrl: samsung: add exynosautov920 pinctrl Jaewon Kim
2023-12-10 13:23     ` Krzysztof Kozlowski
2023-12-11  2:45       ` Jaewon Kim

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=04a874f4-df4b-2a9d-ea02-bbb63095d199@samsung.com \
    --to=jaewon02.kim@samsung.com \
    --cc=alim.akhtar@samsung.com \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=jirislaby@kernel.org \
    --cc=krzysztof.kozlowski@linaro.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pwm@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=s.nawrocki@samsung.com \
    --cc=thierry.reding@gmail.com \
    --cc=tomasz.figa@gmail.com \
    --cc=u.kleine-koenig@pengutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox