From: Frank Wunderlich <linux@fw-web.de>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Cc: Frank Wunderlich <frank-w@public-files.de>,
Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Linus Walleij <linusw@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: [PATCH 2/2] arm64: dts: mediatek: mt7988a-bpi-r4pro: label gpio-hogs
Date: Fri, 18 Sep 2026 16:38:43 +0200 [thread overview]
Message-ID: <20260918143846.30458-3-linux@fw-web.de> (raw)
In-Reply-To: <20260918143846.30458-1-linux@fw-web.de>
From: Frank Wunderlich <frank-w@public-files.de>
GPIO hogs were tagged with name "?" in recent kernel versions (7.1+) due to
commit d1d564ec4992 ("gpio: move hogs into GPIO core").
7.0 showed the unit-name which behaviour is restored by patch [1], but
labeling the hog directly makes things easier.
gpiochip0: 84 GPIOs, parent: platform/1001f000.pinctrl, pinctrl_moore:
gpio-0 ( |tx-disable ) in lo
gpio-1 ( |mod-def0 ) in hi IRQ ACTIVE LOW
gpio-2 ( |los ) in hi IRQ
gpio-12 ( |cd ) in lo IRQ ACTIVE LOW
gpio-13 ( |reset ) in hi IRQ ACTIVE LOW
gpio-14 ( |WPS ) in hi IRQ ACTIVE LOW
gpio-21 ( |tx-disable ) in lo
gpio-63 ( |? ) out hi
gpio-69 ( |mod-def0 ) in hi IRQ ACTIVE LOW
gpio-70 ( |los ) in hi IRQ
gpio-79 ( |? ) out lo
gpio-82 ( |PHY reset ) out hi ACTIVE LOW
gpio-83 ( |PHY reset ) out hi ACTIVE LOW
after the change:
root@bpi-r4:~# cat /sys/kernel/debug/gpio
gpiochip0: 84 GPIOs, parent: platform/1001f000.pinctrl, pinctrl_moore:
gpio-0 ( |tx-disable ) in lo
gpio-1 ( |mod-def0 ) in hi IRQ ACTIVE LOW
gpio-2 ( |los ) in hi IRQ
gpio-12 ( |cd ) in lo IRQ ACTIVE LOW
gpio-13 ( |reset ) in hi IRQ ACTIVE LOW
gpio-14 ( |WPS ) in hi IRQ ACTIVE LOW
gpio-21 ( |tx-disable ) in lo
gpio-63 ( |pcie3-cn14-hog ) out hi
gpio-69 ( |mod-def0 ) in hi IRQ ACTIVE LOW
gpio-70 ( |los ) in hi IRQ
gpio-79 ( |pcie2-cn15-hog ) out lo
gpio-82 ( |PHY reset ) out hi ACTIVE LOW
gpio-83 ( |PHY reset ) out hi ACTIVE LOW
[1] https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git/commit/?id=d54a489c8c4b627775445d54a6cbd32f209bda8f
"gpiolib: use of_node_name if line-name is missing"
Fixes: d1d564ec4992 ("gpio: move hogs into GPIO core")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
.../boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn13.dtso | 1 +
.../boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn14.dtso | 1 +
.../boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn15.dtso | 1 +
.../boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn18.dtso | 1 +
4 files changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn13.dtso b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn13.dtso
index 973b76ba0cbf..e9c322df15fc 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn13.dtso
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn13.dtso
@@ -16,5 +16,6 @@ / {
};
&{/soc/pinctrl@1001f000/pcie-2-hog} {
+ line-name = "pcie2-cn13-hog";
output-high;
};
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn14.dtso b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn14.dtso
index 90b2a64459c3..9d8de737ca40 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn14.dtso
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn14.dtso
@@ -16,5 +16,6 @@ / {
};
&{/soc/pinctrl@1001f000/pcie-3-hog} {
+ line-name = "pcie3-cn14-hog";
output-high;
};
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn15.dtso b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn15.dtso
index 9750916042de..57ee7dacdd78 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn15.dtso
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn15.dtso
@@ -16,5 +16,6 @@ / {
};
&{/soc/pinctrl@1001f000/pcie-2-hog} {
+ line-name = "pcie2-cn15-hog";
output-low;
};
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn18.dtso b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn18.dtso
index 9830fb0fd97a..7830980ac95a 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn18.dtso
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-cn18.dtso
@@ -16,5 +16,6 @@ / {
};
&{/soc/pinctrl@1001f000/pcie-3-hog} {
+ line-name = "pcie3-cn18-hog";
output-low;
};
--
2.53.0
prev parent reply other threads:[~2026-09-18 14:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 14:38 [PATCH 0/2] Add gpio labels for R4Pro Frank Wunderlich
2026-09-18 14:38 ` [PATCH 1/2] arm64: dts: mediatek: mt7988a-bpi-r4pro: add names for i2c-to-gpio chip Frank Wunderlich
2026-09-18 14:38 ` Frank Wunderlich [this message]
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=20260918143846.30458-3-linux@fw-web.de \
--to=linux@fw-web.de \
--cc=andriy.shevchenko@linux.intel.com \
--cc=angelogioacchino.delregno@collabora.com \
--cc=bartosz.golaszewski@oss.qualcomm.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=frank-w@public-files.de \
--cc=krzk+dt@kernel.org \
--cc=linusw@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=mika.westerberg@linux.intel.com \
--cc=robh@kernel.org \
/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
all inboxes | Powered by JetHome®