From nobody Thu Sep 24 23:31:50 2026 Received: from mxout3.routing.net (mxout3.routing.net [134.0.28.8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CBF1C3C81B9; Fri, 18 Sep 2026 14:39:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=134.0.28.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789742345; cv=none; b=qyjY88rX9y3sl3TWJDvl3ZjMwAmMrF+yEkFnyhYwpXvRP46fKL7ftQNRniiplA1vLslhQR7KKBieJyuyBE6YVZkTgNphnVoAHWJD/8vxiH9smYTH3WOqhZ4QikbvvD3hV4zMOzaiNdkB6Os730g7VkpVFZBh77RUyzMlC/eByw0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789742345; c=relaxed/simple; bh=+aAPBX4jAGxuxiVtroCeQgwmZugb/0T+PyVsI3w0KPc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NBOb/AI/nlPoNB6fSIXm7yoFD0Hv7+llc+HB+oey5mcncKTKcerzDrH+rDPanwBcKQOzzlSLjOfMzN5kZ/SdQIfOjxIIm/QQuzDiZoa9QT28c95Qkg8/irgTnux+iNiw4RBpqZhcSjVaKPgngKVrX9hcvw95Z3yUvq20TErVEcM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de; spf=pass smtp.mailfrom=fw-web.de; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b=DIczmh1Q; arc=none smtp.client-ip=134.0.28.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fw-web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b="DIczmh1Q" Received: from mxbulk.masterlogin.de (unknown [192.168.10.85]) by mxout3.routing.net (Postfix) with ESMTP id 4997A6106A; Fri, 18 Sep 2026 14:38:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=routing; t=1789742334; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dmIt+nC5rd2B63RrYxnYEeZwslXtM3bAeP8pd+OZ6w4=; b=DIczmh1QW3CrmlJdYweGLBd27MfDRxSr3sP8ngyBTsVk+rKApQ1IStr0zI8xU9hngM/Fss o36+TSC1S2dIkNpw2LZsT6U1y4ZL9kpHIf79QwUGxNl5NkofsTeO7Q5tXUXEt6JPlJrp+p rVxoq+zXyY2XROrjhVAW8VmS3C/qdA4= Received: from frank-G5-5590 (fttx-pool-80.245.73.6.bambit.de [80.245.73.6]) by mxbulk.masterlogin.de (Postfix) with ESMTPSA id 11D4E120181; Fri, 18 Sep 2026 14:38:54 +0000 (UTC) From: Frank Wunderlich To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Frank Wunderlich , Bartosz Golaszewski , Mika Westerberg , Linus Walleij , Andy Shevchenko , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH 1/2] arm64: dts: mediatek: mt7988a-bpi-r4pro: add names for i2c-to-gpio chip Date: Fri, 18 Sep 2026 16:38:42 +0200 Message-ID: <20260918143846.30458-2-linux@fw-web.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260918143846.30458-1-linux@fw-web.de> References: <20260918143846.30458-1-linux@fw-web.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Frank Wunderlich Add line-names for the PCA9555 i2c to gpio expander to have more information in debugfs. Signed-off-by: Frank Wunderlich --- .../mediatek/mt7988a-bananapi-bpi-r4-pro.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro.dtsi = b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro.dtsi index 1eeb72108b9b..f54787fbbc71 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro.dtsi @@ -315,6 +315,24 @@ pca9555: i2c-gpio-expander@20 { reg =3D <0x20>; gpio-controller; #gpio-cells =3D <2>; + + gpio-line-names =3D + "BKEY-A-PDN", /* GPIO0 */ + "BKEY-A-Vset", /* GPIO1 */ + "BKEY-B-PDN", /* GPIO2 */ + "BKEY-B-Vset", /* GPIO3 */ + "BKEY-C-PDN", /* GPIO4 */ + "BKEY-C-Vset", /* GPIO5 */ + "SIM_SEL", /* GPIO6 */ + "mPCIe_AB_Vset",/* GPIO7 */ + "mPCIe_A_PDN", /* GPIO8 */ + "mPCIe_B_PDN", /* GPIO9 */ + "BKEY-A-RST", /* GPIO10 */ + "VBUS_AB_PDN", /* GPIO11 */ + "BKEY-B-RST", /* GPIO12 */ + "BKEY-C-RST", /* GPIO13 */ + "SYS_LEDB", /* GPIO14 */ + "SYS_LEDR"; /* GPIO15 */ }; =20 rtc@51 { --=20 2.53.0 From nobody Thu Sep 24 23:31:50 2026 Received: from mxout2.routing.net (mxout2.routing.net [134.0.28.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46445384CD5; Fri, 18 Sep 2026 14:45:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=134.0.28.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789742746; cv=none; b=rlrI8i0f1naBuO0i5tKNrOtsuMMa0y/mQQ74qpxd+OjWMXT6whWxX+Bjm/7nlr3l55dD8sHyRzA9dk3Eu6wtmF8Iz23P/VaZ3/UKDYn0fIPtIaTrf7u5YpNW79COJdCZJZrqxCSt8ANJYgWmBYlHgPZlQ36SiDUo8yMpiGzZIGY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789742746; c=relaxed/simple; bh=ho6ScU8M7mRs8Tvsb0oKXh8jaDKo+WXbgU+Yk+Xp3qI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D8tT22jnOBMRYt/KFtuVU2rCOJReFULfZ5XFk9xkcaBuHgtQMoI3LUfyvhcTQvovkN1ksfpDqwzpIOqIBGKfr73QS61YBBnFXMUdoRa0LJQopqIpS0cLubBXT0B1P1xNOThHMY6YL6pn3JSWrr5ILqfKEJA89qLabO8nQQRe++o= ARC-Authentication-Results: i=1; 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bh=RUEDhthLVuxR2718jDNKdRGiGEMQjCBAe/tRxn/+snQ=; b=DISv0Eq2ohtzhZJGzuiCqsNl7e4SYVmhSXbU++jql8NRjDfhxFkELnjmX49hLDpPxRByEF ICUTJu4L/5bi44PdZE4m9reQj7D3g+x6jmYXj3G/06b4BhDYkpEh9HkNTySJhOfXItDs4y WoSXn6ATyZRZmBJ5aUS7K1EGUGEOh84= Received: from frank-G5-5590 (fttx-pool-80.245.73.6.bambit.de [80.245.73.6]) by mxbulk.masterlogin.de (Postfix) with ESMTPSA id 486C31200CB; Fri, 18 Sep 2026 14:38:54 +0000 (UTC) From: Frank Wunderlich To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Frank Wunderlich , Bartosz Golaszewski , Mika Westerberg , Linus Walleij , Andy Shevchenko , 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 Message-ID: <20260918143846.30458-3-linux@fw-web.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260918143846.30458-1-linux@fw-web.de> References: <20260918143846.30458-1-linux@fw-web.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Frank Wunderlich 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=3Dd54a489c8c4b627775445d54a6cbd32f209bda8f "gpiolib: use of_node_name if line-name is missing" Fixes: d1d564ec4992 ("gpio: move hogs into GPIO core") Signed-off-by: Frank Wunderlich --- .../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 @@ / { }; =20 &{/soc/pinctrl@1001f000/pcie-2-hog} { + line-name =3D "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 @@ / { }; =20 &{/soc/pinctrl@1001f000/pcie-3-hog} { + line-name =3D "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 @@ / { }; =20 &{/soc/pinctrl@1001f000/pcie-2-hog} { + line-name =3D "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 @@ / { }; =20 &{/soc/pinctrl@1001f000/pcie-3-hog} { + line-name =3D "pcie3-cn18-hog"; output-low; }; --=20 2.53.0