Linux GPIO subsystem development
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From: Gregory CLEMENT <gregory.clement@bootlin.com>
To: Jun Yan <jerrysteve1101@gmail.com>,
	linusw@kernel.org, dmitry.baryshkov@oss.qualcomm.com,
	Lee Jones <lee@kernel.org>, Pavel Machek <pavel@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Bartosz Golaszewski <brgl@kernel.org>,
	Vincent Knecht <vincent.knecht@mailoo.org>,
	Grant Feng <von81@163.com>,
	Andre Przywara <andre.przywara@arm.com>,
	Baruch Siach <baruch@tkos.co.il>, Shawn Guo <shawnguo@kernel.org>,
	Paul Barker <paul.barker@sancloud.com>,
	Robert Marko <robert.marko@sartura.hr>
Cc: Jun Yan <jerrysteve1101@gmail.com>, Pavel Machek <pavel@ucw.cz>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Wei Xu <xuwei5@hisilicon.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Patrice Chotard <patrice.chotard@foss.st.com>,
	linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org
Subject: Re: [PATCH v2 6/6] arm64: dts: marvell: armada-7040-mochabin: Fix is31fl3199 shutdown GPIO polarity
Date: Mon, 01 Jun 2026 08:58:43 +0200	[thread overview]
Message-ID: <8733z621cs.fsf@BLaptop.bootlin.com> (raw)
In-Reply-To: <20260525144629.498630-7-jerrysteve1101@gmail.com>

Hello,

> The is31fl3199 shutdown pin is active-low [1]. Correct the GPIO flags
> from GPIO_ACTIVE_HIGH to GPIO_ACTIVE_LOW to match the hardware.
>
> [1] https://lumissil.com/assets/pdf/core/IS31FL3199_DS.pdf
>
> Fixes: 737929191283 ("arm64: dts: marvell: add Globalscale MOCHAbin")
> Signed-off-by: Jun Yan <jerrysteve1101@gmail.com>

What happens if this patch is merged before the driver LED patch? Will
it break something?

Gregory

> ---
>  arch/arm64/boot/dts/marvell/armada-7040-mochabin.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-7040-mochabin.dts b/arch/arm64/boot/dts/marvell/armada-7040-mochabin.dts
> index 6bdc4f1e6939..cf690a85cc2a 100644
> --- a/arch/arm64/boot/dts/marvell/armada-7040-mochabin.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-7040-mochabin.dts
> @@ -236,7 +236,7 @@ leds@64 {
>  		#size-cells = <0>;
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&is31_sdb_pins>;
> -		shutdown-gpios = <&cp0_gpio1 30 GPIO_ACTIVE_HIGH>;
> +		shutdown-gpios = <&cp0_gpio1 30 GPIO_ACTIVE_LOW>;
>  		reg = <0x64>;
>  
>  		led1_red: led@1 {
> -- 
> 2.54.0
>

-- 
Grégory CLEMENT, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2026-06-01  6:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-25 14:46 [PATCH v2 0/6] leds: is31fl319x: Fix shutdown GPIO and update DT bindings Jun Yan
2026-05-25 14:46 ` [PATCH v2 1/6] dt-bindings: leds: issi,is31fl319x: Update description for the shutdown-gpios property Jun Yan
2026-05-25 14:46 ` [PATCH v2 2/6] leds: is31fl319x: Fix shutdown GPIO initial state and remove redundant startup pulse Jun Yan
2026-06-01  8:20   ` Krzysztof Kozlowski
2026-05-25 14:46 ` [PATCH v2 3/6] gpiolib: of: add quirk for IS31FL319X shutdown line Jun Yan
2026-05-26  8:40   ` Bartosz Golaszewski
2026-05-29 20:10   ` Linus Walleij
2026-05-25 14:46 ` [PATCH v2 4/6] arm64: dts: qcom: msm8916-alcatel-idol347: Fix sn3190 shutdown GPIO polarity Jun Yan
2026-05-25 14:46 ` [PATCH v2 5/6] ARM: dts: qcom: msm8974-oneplus-bacon: Fix sn3193 " Jun Yan
2026-05-25 14:46 ` [PATCH v2 6/6] arm64: dts: marvell: armada-7040-mochabin: Fix is31fl3199 " Jun Yan
2026-06-01  6:58   ` Gregory CLEMENT [this message]
2026-06-01  8:21     ` Krzysztof Kozlowski

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