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Sun, 27 Apr 2025 01:25:51 -0700 (PDT) Received: from localhost.localdomain ([14.171.43.210]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73e2549f570sm5900852b3a.0.2025.04.27.01.25.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Apr 2025 01:25:51 -0700 (PDT) From: Nam Tran To: andy@kernel.org Cc: geert@linux-m68k.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, christophe.jaillet@wanadoo.fr, corbet@lwn.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, florian.fainelli@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Nam Tran , Krzysztof Kozlowski Subject: [PATCH v8 1/5] =?UTF-8?q?dt-bindings:=20auxdisplay:=20add=20TI=20?= =?UTF-8?q?LP5812=204=C3=973=20Matrix=20RGB=20LED=20Driver?= Date: Sun, 27 Apr 2025 15:24:43 +0700 Message-Id: <20250427082447.138359-2-trannamatk@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250427082447.138359-1-trannamatk@gmail.com> References: <20250427082447.138359-1-trannamatk@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The LP5812 is a 4=C3=973 RGB LED driver with an autonomous animation engine and time-cross-multiplexing (TCM) support for up to 12 LEDs. It supports both analog (256 levels) and PWM (8-bit) dimming, including exponential PWM for smooth brightness control. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Nam Tran --- .../bindings/auxdisplay/ti,lp5812.yaml | 46 +++++++++++++++++++ MAINTAINERS | 6 +++ 2 files changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/ti,lp5812.= yaml diff --git a/Documentation/devicetree/bindings/auxdisplay/ti,lp5812.yaml b/= Documentation/devicetree/bindings/auxdisplay/ti,lp5812.yaml new file mode 100644 index 000000000000..fb94a6336e16 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/ti,lp5812.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/auxdisplay/ti,lp5812.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI LP5812 4=C3=973 Matrix RGB LED Driver with Autonomous Control + +maintainers: + - Nam Tran + +description: | + The LP5812 is an I2C LED Driver that can support LED matrix 4x3. + For more product information please see the link below: + https://www.ti.com/product/LP5812#tech-docs + +properties: + compatible: + const: ti,lp5812 + + reg: + maxItems: 1 + + vcc-supply: + description: Regulator providing power to the 'VCC' pin. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + led-controller@1b { + compatible =3D "ti,lp5812"; + reg =3D <0x1b>; + vcc-supply =3D <&vdd_3v3_reg>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 7940ddd91196..241c5441e239 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -24016,6 +24016,12 @@ S: Supported F: Documentation/devicetree/bindings/iio/dac/ti,dac7612.yaml F: drivers/iio/dac/ti-dac7612.c =20 +TEXAS INSTRUMENTS' LP5812 4X3 MATRIX LED DRIVER +M: Nam Tran +L: linux-kernel@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/auxdisplay/ti,lp5812.yaml + TEXAS INSTRUMENTS' LB8864 LED BACKLIGHT DRIVER M: Alexander Sverdlin L: linux-leds@vger.kernel.org --=20 2.25.1