From: Marek Vasut <marex@nabladev.com>
To: Peter Korsgaard <peter@korsgaard.com>
Cc: linux-arm-kernel@lists.infradead.org,
Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Michal Simek <michal.simek@amd.com>,
Rob Herring <robh@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: zynqmp: Add ifm ZynqMP VHIP6 EvalBoard
Date: Mon, 14 Sep 2026 03:55:28 +0200 [thread overview]
Message-ID: <00acb35f-ea7c-465c-96da-4eb5dac9e2cc@nabladev.com> (raw)
In-Reply-To: <87wlspb50g.fsf@dell.be.48ers.dk>
On 9/13/26 4:27 PM, Peter Korsgaard wrote:
Hi,
> >> > + chosen {
> >> > + bootargs = "clk_ignore_unused";
> >> Why?
>
> > This can be dropped, thanks.
>
> Good.
>
> >> > + gpio-line-names =
> >> > + /* GPIO 0 - 77 */
> >> > + "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
> >> > + "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
> >> > + "", "", "", "", "",
> >> > + "ifm_device_info_eeprom_wp",
> >> NIT: The dts references a number of other GPIOs, any specific reason
> >> to
> >> only name this one?
> > The legacy userspace tooling used to depend on it, used libgpiod to
> > look up this GPIO by name.
>
> OK, but why not add all the referenced GPIOs if you fill out
> gpio-line-names anyway?
Because the userspace depends only on this one line name. But since
eeprom node contains wp-gpios DT property now and the kernel controls
the nWP GPIO, I can also turn this around and drop the gpio-line-names
entirely. What do you think ?
Thank you for your help !
next prev parent reply other threads:[~2026-09-14 1:55 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 18:26 [PATCH v2 1/2] dt-bindings: soc: xilinx: Document " Marek Vasut
2026-09-09 18:26 ` [PATCH v2 2/2] arm64: zynqmp: Add " Marek Vasut
2026-09-11 7:32 ` Krzysztof Kozlowski
2026-09-11 14:50 ` Marek Vasut
2026-09-11 9:38 ` Peter Korsgaard
2026-09-11 14:49 ` Marek Vasut
2026-09-13 14:27 ` Peter Korsgaard
2026-09-14 1:55 ` Marek Vasut [this message]
2026-09-14 5:32 ` Peter Korsgaard
2026-09-10 6:22 ` [PATCH v2 1/2] dt-bindings: soc: xilinx: Document " Michal Simek
2026-09-10 7:01 ` Marek Vasut
2026-09-10 7:17 ` Michal Simek
2026-09-10 23:39 ` Marek Vasut
2026-09-11 8:38 ` Michal Simek
2026-09-11 15:54 ` Marek Vasut
2026-09-14 6:29 ` Michal Simek
2026-09-11 7:32 ` Krzysztof Kozlowski
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