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Sat, 19 Apr 2025 11:44:01 -0700 (PDT) From: Nam Tran To: pavel@kernel.org, lee@kernel.org, krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org, corbet@lwn.net Cc: devicetree@vger.kernel.org, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, Nam Tran Subject: [PATCH v6 0/5] leds: add new LED driver for TI LP5812 Date: Sun, 20 Apr 2025 01:43:28 +0700 Message-Id: <20250419184333.56617-1-trannamatk@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This patch series adds support for the TI/National Semiconductor LP5812 4x3 matrix RGB LED driver. The driver supports features such as autonomous animation and time-cross-multiplexing (TCM) for dynamic LED effects. Signed-off-by: Nam Tran --- Changes in v6: - Add `vcc-supply` property to describe the LP5812 power supply. - Remove `chan-name` property and entire LED subnodes, as they are not needed. - Update LP5812 LED driver node to Raspberry Pi 4 B Device Tree, based on updated binding. - Link to v5: https://lore.kernel.org/linux-leds/20250414145742.35713-1-trannamatk@gmail.com/ Changes in v5: - Rebase on v6.15-rc2 - Removed unused functions (lp5812_dump_regs, lp5812_update_bit). - Address Krzysztof's review comments - Link to v4: https://lore.kernel.org/linux-leds/20250405183246.198568-1-trannamatk@gmail.com/ --- Nam Tran (5): dt-bindings: leds: add TI/National Semiconductor LP5812 LED Driver leds: add TI/National Semiconductor LP5812 LED Driver docs: ABI: Document LP5812 LED sysfs interfaces docs: leds: Document TI LP5812 LED driver arm64: dts: Add LP5812 LED node for Raspberry Pi 4 Model B .../ABI/testing/sysfs-bus-i2c-devices-lp5812 | 144 + .../devicetree/bindings/leds/ti,lp5812.yaml | 46 + Documentation/leds/leds-lp5812.rst | 79 + MAINTAINERS | 12 + .../arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts | 10 + drivers/leds/Kconfig | 16 + drivers/leds/Makefile | 1 + drivers/leds/leds-lp5812.c | 2797 +++++++++++++++++ drivers/leds/leds-lp5812.h | 350 +++ 9 files changed, 3455 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-i2c-devices-lp5812 create mode 100644 Documentation/devicetree/bindings/leds/ti,lp5812.yaml create mode 100644 Documentation/leds/leds-lp5812.rst create mode 100644 drivers/leds/leds-lp5812.c create mode 100644 drivers/leds/leds-lp5812.h base-commit: 8ffd015db85fea3e15a77027fda6c02ced4d2444