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Mon, 25 May 2026 07:47:23 -0700 (PDT) From: Jun Yan To: linusw@kernel.org, dmitry.baryshkov@oss.qualcomm.com, Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Bartosz Golaszewski , Vincent Knecht , Grant Feng , Andre Przywara , Claudiu Beznea , Wei Xu , Sudeep Holla , Tony Lindgren , Robert Marko Cc: Jun Yan , Pavel Machek , Krzysztof Kozlowski , Patrice Chotard , Kunihiko Hayashi , Michal Simek , 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: [PATCH v2 1/6] dt-bindings: leds: issi,is31fl319x: Update description for the shutdown-gpios property Date: Mon, 25 May 2026 22:46:07 +0800 Message-ID: <20260525144629.498630-2-jerrysteve1101@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260525144629.498630-1-jerrysteve1101@gmail.com> References: <20260525144629.498630-1-jerrysteve1101@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The IS31FL319X series features an SDB shutdown pin. Driving it low (active low) places the chip into hardware shutdown mode for power saving, while all register contents are preserved and registers are not reset. Update description for the shutdown down (SDB) pin and fix the example device tree binding. Fixes: dbc801b472c1 ("dt-bindings: leds: Convert is31fl319x to dtschema") Signed-off-by: Jun Yan Reviewed-by: Rob Herring (Arm) --- .../devicetree/bindings/leds/issi,is31fl319x.yaml | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/leds/issi,is31fl319x.yaml b/Documentation/devicetree/bindings/leds/issi,is31fl319x.yaml index 906735acfbaf..ebf2bed51e7f 100644 --- a/Documentation/devicetree/bindings/leds/issi,is31fl319x.yaml +++ b/Documentation/devicetree/bindings/leds/issi,is31fl319x.yaml @@ -39,7 +39,12 @@ properties: shutdown-gpios: maxItems: 1 - description: GPIO attached to the SDB pin. + description: | + GPIO attached to the chip's SDB pin. + Driving this GPIO low places the chip into hardware shutdown mode + for power saving. All register contents are preserved and registers + are not reset during shutdown. The chip exits hardware shutdown mode + when the SDB pin is pulled high. audio-gain-db: default: 0 @@ -174,7 +179,7 @@ examples: #address-cells = <1>; #size-cells = <0>; - shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; + shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_LOW>; led@1 { reg = <1>; -- 2.54.0