From nobody Thu Oct 2 21:56:27 2025 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D04C262FEB for ; Thu, 11 Sep 2025 06:59:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757573996; cv=none; b=cHVJH0pOdOe3FgA9GGKIU6PjLNQIJ3ccft0syZ9tpmHx4agJj+yBEFWCrNLY+9eEzNTsSO3OAPAFMsPX+AJuRra7oc7S4EbVRQpAQen1GgWbnygltqfJdq2Pkeze+VcOc9LYakcLTkRwOBcXdxCzpn9qkyxkPEs3u8ADQvNkG/s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757573996; c=relaxed/simple; bh=ikmvF5McPKvbvKcbMDQxO1YadbWImTCIb9/ZX2RJXiI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gNiVo64LGL60YTxmkfR7AZMO8dHBLBfIXHZMOMXSB0yW6mQq4xQCQ0n7Hl7aA8EikL0/rIDDhXtgGuZUKBxTM7F9lbpOdklNZTRClOCBmOdmbntfXbTeZtUb6a8rVyyfX1K4hY1l16pOfPz2FXkw7uTmDBZofHJa+cPp5Pldk+o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=ratatoskr.trumtrar.info) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1uwbHb-0002uj-LN; Thu, 11 Sep 2025 08:59:51 +0200 From: Steffen Trumtrar Date: Thu, 11 Sep 2025 08:59:31 +0200 Subject: [PATCH v3 1/3] dt-bindings: leds: add lp5860 LED controller 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 Message-Id: <20250911-v6-14-topic-ti-lp5860-v3-1-390738ef9d71@pengutronix.de> References: <20250911-v6-14-topic-ti-lp5860-v3-0-390738ef9d71@pengutronix.de> In-Reply-To: <20250911-v6-14-topic-ti-lp5860-v3-0-390738ef9d71@pengutronix.de> To: Pavel Machek , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Steffen Trumtrar , Pavel Machek , Mark Brown Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Steffen Trumtrar X-Mailer: b4 0.14.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:900:1d::77 X-SA-Exim-Mail-From: s.trumtrar@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org The lp5860 is a LED matrix driver with 18 constant current sinks and 11 scan switches for 198 LED dots: * Supply range from 2.7 V to 5.5 V * 0.1mA - 50mA per current sink * 1MHz I2C and 12MHz SPI control interface * 8-bit analog dimming * 8/16-bit PWM dimming * individual ON and OFF control for each LED dot * globat 3-bit Maximum Current setting for all LED dots * individual LED dot open/short detection Signed-off-by: Steffen Trumtrar Reviewed-by: Rob Herring (Arm) --- .../devicetree/bindings/leds/leds-lp5860.yaml | 111 +++++++++++++++++= ++++ 1 file changed, 111 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/leds-lp5860.yaml b/Docu= mentation/devicetree/bindings/leds/leds-lp5860.yaml new file mode 100644 index 0000000000000000000000000000000000000000..1ccba48541595eb85c8accc7e65= 14b33482c5f4d --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lp5860.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-lp5860.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LED driver for LP5860 RGB LED from Texas Instruments. + +maintainers: + - Steffen Trumtrar + +description: | + The LP5860 is multi-channel, I2C and SPI RGB LED Driver that can group R= GB LEDs + into a LED group or control them individually. + + For more product information please see the link below: + https://www.ti.com/lit/ds/symlink/lp5860.pdf + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + enum: + - ti,lp5860 + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + '^multi-led@[0-9a-f]+$': + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 0 + maximum: 198 + description: + This property denotes the LED module number that is used + for the child node. + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + "^led@[0-9a-f]+$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + maxItems: 1 + + required: + - reg + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include + + spi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + led-controller@0 { + compatible =3D "ti,lp5860"; + reg =3D <0x0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + multi-led@0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0x0>; + color =3D ; + + led@0 { + reg =3D <0x0>; + color =3D ; + }; + + led@1 { + reg =3D <0x1>; + color =3D ; + }; + + led@2 { + reg =3D <0x2>; + color =3D ; + }; + }; + }; + }; --=20 2.49.0