From: Linus Walleij <linus.walleij@linaro.org>
To: nl250060@ncr.com
Cc: Bartosz Golaszewski <brgl@bgdev.pl>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] gpio: dt-bindings: add new property to wd,mbl-gpio bindings
Date: Fri, 27 Jan 2023 13:57:57 +0100 [thread overview]
Message-ID: <CACRpkdYyRXx-Q4NYEUzpvmBEvyW5b9TVw7DngphhV56VJJCESw@mail.gmail.com> (raw)
In-Reply-To: <20230126-gpio-mmio-fix-v1-1-8a20ce0e8275@ncr.com>
Hi Niall,
thanks for your patch!
On Thu, Jan 26, 2023 at 11:18 AM Niall Leonard via B4 Submission
Endpoint <devnull+nl250060.ncr.com@kernel.org> wrote:
> Optional properties:
> - no-output: GPIOs are read-only.
> + - no-input: GPIOs are write-only. Read is via a shadow register.
"Shadow register" is unclear technical lingo.
Just write "GPIO output registers are write-only"
DT bindings are OS neutral, the fact that Linux and other OS:es need to
cache ("shadow") this value is an implementation detail.
Yours,
Linus Walleij
next prev parent reply other threads:[~2023-01-27 12:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-26 10:17 [PATCH 0/3] Introduce new optional property to mark port as write only Niall Leonard via B4 Submission Endpoint
2023-01-26 10:17 ` [PATCH 1/3] gpio: dt-bindings: add new property to wd,mbl-gpio bindings Niall Leonard via B4 Submission Endpoint
2023-01-26 12:28 ` Krzysztof Kozlowski
2023-01-27 11:39 ` Leonard, Niall
2023-01-29 15:59 ` Krzysztof Kozlowski
2023-01-30 13:20 ` Leonard, Niall
2023-01-30 18:37 ` Rob Herring
2023-01-31 10:25 ` Leonard, Niall
2023-01-27 12:57 ` Linus Walleij [this message]
2023-01-26 10:17 ` [PATCH 2/3] gpio: Add new flag BGPIOF_NO_INPUT Niall Leonard via B4 Submission Endpoint
2023-01-27 12:54 ` Linus Walleij
2023-01-31 10:22 ` Leonard, Niall
2023-01-26 10:17 ` [PATCH 3/3] gpio: mmio: Use " Niall Leonard via B4 Submission Endpoint
2023-01-27 12:53 ` Linus Walleij
2023-01-29 16:01 ` Krzysztof Kozlowski
2023-01-31 10:23 ` Leonard, Niall
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