From patchwork Tue Oct 8 20:47:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 175573 Delivered-To: patch@linaro.org Received: by 2002:a92:7e96:0:0:0:0:0 with SMTP id q22csp6207066ill; Tue, 8 Oct 2019 13:49:12 -0700 (PDT) X-Google-Smtp-Source: APXvYqyYDMF8nEK2tRUhx70goG2CP+p0BOv7U+ltKXThhhMCdpfOALXlWYUIkoVkRiB8nCRpO4/m X-Received: by 2002:a50:ed82:: with SMTP id h2mr36018414edr.206.1570567752605; Tue, 08 Oct 2019 13:49:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1570567752; cv=none; d=google.com; s=arc-20160816; b=qHKk9WTvnZgx6UDKq/XRi8rpBSHLRUboKxrV8w3bmdDDZTbVp4THBHRCjEh6RIFgis oxViSIimOHNLpexN8rul4W0e/G82YVNYVM02b3xUOkqaiEdV3Go1s42fkquQbRCH1HUk gkY4bhHPY1GR0BCwlH1hBeCpiUYe4S8/lGC0uiZEx67VGAC3PcCwQ6eqttLt1BGdjeLw OFIoKF8goEq+1YdrCEEZiLcJPFNWsEpiAI+zUJ7crUqsKALze4Y4E13IlAqOeMLrpFCi sqRqvTbVuVGvbM169fr+e8YGakWgnq3/mxOeqX39D0Qtz8buUc0qeZqJ1roYblPug2hI gNGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=LFJY/sk3vbxhRSCXMQMK8Y5qMhwQ/+YV7Aj17cmTfjg=; b=bnPVj9iuNfhIi/i11oguPlAkA8YvSg0vJlVEP2WG9qCqPP4H7A3j18dJ2DWOxE3dXX nQVb/zwXevoWnJdsjBC4O0a/rMgDc9VquoFR+HzNV2WGeoxX9TZ6ok3o8ejxJNShTDT+ pKmhDj5meif2ch9x6Bn2qI5rI4+sSp+nyMsY1okNQXc6wyPsT1VbEeTgMp3oQOFGOarb 3xXBO/i/1RfjsjRasgN6j4pEIJPxZZtdNrIrKwnk/MyruQ5fkEV6IPtlBI9CErhVxBMN Gr0Fk5Kt5pWAssLMo+nce80qOJg462juAC1zq4ouO623aJzhh+/Ig128W5qMy6w9aX1A MGKw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b="iBaa+A/j"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p1si98921eda.406.2019.10.08.13.49.12; Tue, 08 Oct 2019 13:49:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b="iBaa+A/j"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731113AbfJHUsY (ORCPT + 26 others); Tue, 8 Oct 2019 16:48:24 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:43482 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730888AbfJHUsX (ORCPT ); Tue, 8 Oct 2019 16:48:23 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x98KmK4d114889; Tue, 8 Oct 2019 15:48:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1570567700; bh=LFJY/sk3vbxhRSCXMQMK8Y5qMhwQ/+YV7Aj17cmTfjg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=iBaa+A/j4PpiA7r0Z16UG+2WF+/LnapiN4kjpfdWOe++cpN1OEXocb6cdp9ySZTRx KcKpc63X9xB6snRKXhKjixiKOduU63Z8dPL1TyLrlOy79IQGxmF4rUZ5w8QHwwv5ak j3J1q7MuuLKOUVgnY/6JwoctMk5G3ckKMe4R6aPc= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x98KmKpt042350 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 8 Oct 2019 15:48:20 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 8 Oct 2019 15:48:19 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 8 Oct 2019 15:48:17 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x98KmJvX066659; Tue, 8 Oct 2019 15:48:19 -0500 From: Dan Murphy To: , CC: , , Dan Murphy Subject: [PATCH v11 05/16] dt: bindings: lp50xx: Introduce the lp50xx family of RGB drivers Date: Tue, 8 Oct 2019 15:47:49 -0500 Message-ID: <20191008204800.19870-6-dmurphy@ti.com> X-Mailer: git-send-email 2.22.0.214.g8dca754b1e In-Reply-To: <20191008204800.19870-1-dmurphy@ti.com> References: <20191008204800.19870-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduce the bindings for the Texas Instruments LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 RGB LED device driver. The LP5036/30/24/18/12/9 can control RGB LEDs individually or as part of a control bank group. These devices have the ability to adjust the mixing control for the RGB LEDs to obtain different colors independent of the overall brightness of the LED grouping. Datasheet: http://www.ti.com/lit/ds/symlink/lp5012.pdf http://www.ti.com/lit/ds/symlink/lp5024.pdf http://www.ti.com/lit/ds/symlink/lp5036.pdf Signed-off-by: Dan Murphy --- .../devicetree/bindings/leds/leds-lp50xx.txt | 148 ++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lp50xx.txt -- 2.22.0.214.g8dca754b1e diff --git a/Documentation/devicetree/bindings/leds/leds-lp50xx.txt b/Documentation/devicetree/bindings/leds/leds-lp50xx.txt new file mode 100644 index 000000000000..8a0a21f1056c --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lp50xx.txt @@ -0,0 +1,148 @@ +* Texas Instruments - LP5009/12/18/24/30/36 RGB LED driver + +The LP50XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into +a LED group or control them individually. + +The difference in these RGB LED drivers is the number of supported RGB modules. + +Required parent properties: + - compatible: + "ti,lp5009" + "ti,lp5012" + "ti,lp5018" + "ti,lp5024" + "ti,lp5030" + "ti,lp5036" + - reg : I2C slave address + lp5009/12 - 0x14, 0x15, 0x16, 0x17 + lp5018/24 - 0x28, 0x29, 0x2a, 0x2b + lp5030/36 - 0x30, 0x31, 0x32, 0x33 + - #address-cells : 1 + - #size-cells : 0 + +Optional parent properties: + - enable-gpios : gpio pin to enable/disable the device. + - vled-supply : LED supply + +Required child properties: + - #address-cells : 1 + - #size-cells : 0 + - reg : This is the LED module number. + - color : Must be LED_COLOR_ID_MULTI + - function : see Documentation/devicetree/bindings/leds/common.txt + +Required child properties only is LED modules will be banked: + - ti,led-bank : This property denotes the LED module numbers that will + be controlled as a single RGB cluster. Each LED module + number will be controlled by a single LED class instance. + There can only be one instance of the ti,led-bank + property for each device node. + +Required grandchildren properties: + - reg : A single entry denoting the LED output that controls + the monochrome LED. + - color : see Documentation/devicetree/bindings/leds/common.txt + - led-sources : see Documentation/devicetree/bindings/leds/common.txt + +The LED outputs associated with the LED modules are defined in Table 1 of the +corresponding data sheets. + +LP5009 - 3 Total RGB cluster LED outputs 0-2 +LP5012 - 4 Total RGB cluster LED outputs 0-3 +LP5018 - 6 Total RGB cluster LED outputs 0-5 +LP5024 - 8 Total RGB cluster LED outputs 0-7 +LP5030 - 10 Total RGB cluster LED outputs 0-9 +LP5036 - 12 Total RGB cluster LED outputs 0-11 + +Optional child properties: + - label : see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt + +Examples: +led-controller@29 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "ti,lp5024"; + reg = <0x29>; + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vmmcsd_fixed>; + + multi-led@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + color = ; + function = LED_FUNCTION_STATUS; + + led@3 { + reg = <3>; + color = ; + }; + + led@4 { + reg = <4>; + color = ; + }; + + led@5 { + reg = <5>; + color = ; + }; + }; + + multi-led@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + color = ; + function = LED_FUNCTION_STANDBY; + ti,led-bank = <2 3 5>; + + led@6 { + reg = <0x6>; + color = ; + led-sources = <6 9 15>; + }; + + led@7 { + reg = <0x7>; + color = ; + led-sources = <7 10 16>; + }; + + led@8 { + reg = <0x8>; + color = ; + led-sources = <8 11 17>; + }; + }; + + multi-led@4 { + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + color = ; + function = LED_FUNCTION_ACTIVITY; + + led@12 { + reg = <12>; + color = ; + }; + + led@13 { + reg = <13>; + color = ; + }; + + led@14 { + reg = <14>; + color = ; + }; + }; +}; + +For more product information please see the link below: +http://www.ti.com/lit/ds/symlink/lp5012.pdf +http://www.ti.com/lit/ds/symlink/lp5024.pdf +http://www.ti.com/lit/ds/symlink/lp5036.pdf