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Tue, 05 May 2026 07:54:03 -0700 (PDT) Received: from arch.localdomain ([2409:8a28:a59:55d1::1002]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2f3bf67cf8dsm5793545eec.6.2026.05.05.07.53.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 07:54:03 -0700 (PDT) From: Jun Yan To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-leds@vger.kernel.org Cc: lee@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, luccafachinetti@gmail.com, pzalewski@thegoodpenguin.co.uk, daniel@zonque.org, Jun Yan Subject: [PATCH v4 0/5] leds: Add powerdown gpio for is31fl32xx Date: Tue, 5 May 2026 22:53:49 +0800 Message-ID: <20260505145354.1267095-1-jerrysteve1101@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch series primarily adds the powerdown-gpios support for the IS31FL32xx controller.It also includes a fix and dt-bindings updates derived from previous attempts [1]. Patch 1 and patch 2 are based on a previous attempt [1]. The driver-related updates in patch 2 have already been merged. Patch 3 and Patch 4 add support for the powerdown-gpios property, which corresponds to the SDB pin of the IS31FL32xx series chips. This pin is used to enter and exit the hardware powerdown mode. Patch 5 fixes errors introduced by previous changes. It impacts the brightness control function of the IS31FL3236. [1] https://lore.kernel.org/all/20250723-leds-is31fl3236a-v6-0-210328058625@thegoodpenguin.co.uk/ Changes in v4: - Fixed compilation build errors due to missing header files - Link to v3: https://lore.kernel.org/all/20260429154449.730880-1-jerrysteve1101@gmail.com/ Changes in v3: - Replace shutdown-gpios with powerdown-gpios, follow gpio-consumer-common binding. - Link to v2: https://lore.kernel.org/all/20260428023401.330308-1-jerrysteve1101@gmail.com/ Changes in v2: - Fix $id mismatch with file name in dt-binding. - Link to v1: https://lore.kernel.org/all/20260428003412.322032-1-jerrysteve1101@gmail.com/ Jun Yan (5): dt-bindings: leds: is31fl32xx: convert the binding to yaml dt-bindings: leds: leds-is31fl32xx: add support for is31fl3236a dt-bindings: leds: leds-is31fl32xx: Add powerdown-gpios property leds: is31fl32xx: Add powerdown pin to exit hardware shutdown mode leds: is31f132xx: Fix missing brightness_steps for is31f13236 .../bindings/leds/issl,is31fl32xx.yaml | 200 ++++++++++++++++++ .../bindings/leds/leds-is31fl32xx.txt | 53 ----- drivers/leds/leds-is31fl32xx.c | 8 + 3 files changed, 208 insertions(+), 53 deletions(-) create mode 100644 Documentation/devicetree/bindings/leds/issl,is31fl32xx.yaml delete mode 100644 Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt -- 2.53.0