From patchwork Fri Dec 6 17:07:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sverdlin, Alexander" X-Patchwork-Id: 847977 Received: from mta-64-225.siemens.flowmailer.net (mta-64-225.siemens.flowmailer.net [185.136.64.225]) (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 4F6201F3D49 for ; Fri, 6 Dec 2024 17:08:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.64.225 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733504932; cv=none; b=mqDoh4H+5O/dPDYZhN3pZqBTgiM9EWZbGeSIJD3yeMJcORQSDPgzNaz+8mGf3FITmCVubBoyP1N/bi0ql8uPYqGc4y+pULzAznZch8azu7X9twFtLTvZ5hkfKWFAmi+fYZb99CbAr2RLwWGQjIEu1vm4bPxH0WS1xKgPzzsLnwQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733504932; c=relaxed/simple; bh=Ll2rzZbtm6JssXOsxLQuzDBP/THgk4I2PFSzsese9to=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M2g4tIJMjuM3PR+orJIl3BXe3vhSIJ5HvMD4K4Zf9+RBPh2UTreArlflq9P07QtPh3unCwHtnseQHc0pgAbleY15kEH/QVIPrpvOtSkaHa4/kfOTmooqKWYZlDZe2/1jB28Dn/Ia29CNdvSyFWL9xcd/ZyQK3eZa6tBjF/8uVbA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com; dkim=pass (2048-bit key) header.d=siemens.com header.i=alexander.sverdlin@siemens.com header.b=Uy/g40pK; arc=none smtp.client-ip=185.136.64.225 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=siemens.com header.i=alexander.sverdlin@siemens.com header.b="Uy/g40pK" Received: by mta-64-225.siemens.flowmailer.net with ESMTPSA id 2024120617084074d5587ee0f0b4fc3c for ; Fri, 06 Dec 2024 18:08:40 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2; d=siemens.com; i=alexander.sverdlin@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=nFgpbr9ICMll5siYBTjeBnhfrpbASPh3GUsaLse4SlY=; b=Uy/g40pKnJOGA0ubGEHMel5IVJlab1WTXv31IzQLQCOMke8TiYEpWc3j0aXad4lWBYIRUd hJCo+9VHQdpCX7Qy+K9i16CHp6eVVZNIM7ZZdjEPzkE4rubt13VnZEQAa3cB4CnF5VHg2/BM 5OQGWGkLmWAMvX6wd7mRq8ISy8Yne85ZD7NodL0OEx8XQX8Vzq2xoBioQheEjLdJwGP7yvfg mD/6dXR7OS3OkkPFISMrYgN6vuzETjisUExFVCcicu//E8WXoVG+f4H7xhi3gt0uwA8p4Tpq rSU+yYCv17TELBo8s85YhGPxP5zfHDp8gUXr3/u42l3Yafp4skFhjuLg==; From: "A. Sverdlin" To: Dan Murphy , linux-leds@vger.kernel.org, devicetree@vger.kernel.org Cc: Alexander Sverdlin , dri-devel@lists.freedesktop.org, Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Davis Subject: [PATCH 1/2] dt-bindings: backlight: Convert LP8860 into YAML format adding LP886x Date: Fri, 6 Dec 2024 18:07:12 +0100 Message-ID: <20241206170717.1090206-2-alexander.sverdlin@siemens.com> In-Reply-To: <20241206170717.1090206-1-alexander.sverdlin@siemens.com> References: <20241206170717.1090206-1-alexander.sverdlin@siemens.com> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-456497:519-21489:flowmailer From: Alexander Sverdlin Add Texas Instruments' LP8864/LP8866 bindings into LP8860 converting them into YAML format simultaneously. While here, drop the index of the "led" subnode, this one is neither used nor mandated by the drivers. All the *-cells properties are therefore not required. Move the file into backlight directory because all of the LP886x drivers are special backlight products. Signed-off-by: Alexander Sverdlin --- .../bindings/leds/backlight/ti,lp8860.yaml | 86 +++++++++++++++++++ .../devicetree/bindings/leds/leds-lp8860.txt | 50 ----------- 2 files changed, 86 insertions(+), 50 deletions(-) create mode 100644 Documentation/devicetree/bindings/leds/backlight/ti,lp8860.yaml delete mode 100644 Documentation/devicetree/bindings/leds/leds-lp8860.txt diff --git a/Documentation/devicetree/bindings/leds/backlight/ti,lp8860.yaml b/Documentation/devicetree/bindings/leds/backlight/ti,lp8860.yaml new file mode 100644 index 0000000000000..3ece2f6fc3f02 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/ti,lp8860.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/ti,lp8860.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments - LP886x 4/6-Channel LED Driver family + +maintainers: + - Andrew Davis + - Alexander Sverdlin + +description: | + The LP8860-Q1 is an high-efficiency LED driver with boost controller. + It has 4 high-precision current sinks that can be controlled by a PWM input + signal, a SPI/I2C master, or both. + + LP8866-Q1, LP8866S-Q1, LP8864-Q1, LP8864S-Q1 are newer products offering + similar functionality with 4/6 channels. + + For more product information please see the links below: + https://www.ti.com/product/lp8860-q1 + https://www.ti.com/product/LP8864-Q1 + https://www.ti.com/product/LP8864S-Q1 + https://www.ti.com/product/LP8866-Q1 + https://www.ti.com/product/LP8866S-Q1 + +properties: + compatible: + enum: + - ti,lp8860 + - ti,lp8864 + + reg: + maxItems: 1 + description: I2C slave address + + enable-gpios: + maxItems: 1 + description: GPIO pin to enable (active high) / disable the device + + vled-supply: + description: LED supply + + led: + type: object + $ref: common.yaml# + properties: + function: true + color: true + label: true + linux,default-trigger: true + + additionalProperties: false + +required: + - compatible + - reg + - led + +additionalProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@2d { + compatible = "ti,lp8860"; + reg = <0x2d>; + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + led { + function = LED_FUNCTION_BACKLIGHT; + color = ; + linux,default-trigger = "backlight"; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/leds/leds-lp8860.txt b/Documentation/devicetree/bindings/leds/leds-lp8860.txt deleted file mode 100644 index 8bb25749a3da3..0000000000000 --- a/Documentation/devicetree/bindings/leds/leds-lp8860.txt +++ /dev/null @@ -1,50 +0,0 @@ -* Texas Instruments - lp8860 4-Channel LED Driver - -The LP8860-Q1 is an high-efficiency LED -driver with boost controller. It has 4 high-precision -current sinks that can be controlled by a PWM input -signal, a SPI/I2C master, or both. - -Required properties: - - compatible : - "ti,lp8860" - - reg : I2C slave address - - #address-cells : 1 - - #size-cells : 0 - -Optional properties: - - enable-gpios : gpio pin to enable (active high)/disable the device. - - vled-supply : LED supply - -Required child properties: - - reg : 0 - -Optional child properties: - - function : see Documentation/devicetree/bindings/leds/common.txt - - color : see Documentation/devicetree/bindings/leds/common.txt - - label : see Documentation/devicetree/bindings/leds/common.txt (deprecated) - - linux,default-trigger : - see Documentation/devicetree/bindings/leds/common.txt - -Example: - -#include - -led-controller@2d { - compatible = "ti,lp8860"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0x2d>; - enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; - vled-supply = <&vbatt>; - - led@0 { - reg = <0>; - function = LED_FUNCTION_BACKLIGHT; - color = ; - linux,default-trigger = "backlight"; - }; -} - -For more product information please see the link below: -https://www.ti.com/product/lp8860-q1