From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E91CC28CF6 for ; Fri, 3 Aug 2018 15:02:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED46B21761 for ; Fri, 3 Aug 2018 15:02:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="i87sBhcW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED46B21761 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732422AbeHCQ7U (ORCPT ); Fri, 3 Aug 2018 12:59:20 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:57878 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732359AbeHCQ7U (ORCPT ); Fri, 3 Aug 2018 12:59:20 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id w73F2aBs071623; Fri, 3 Aug 2018 10:02:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1533308556; bh=KDy998hrVVb3vinrnEoFj4S71//k/nYLMnh7XYNp+DM=; h=From:To:CC:Subject:Date; b=i87sBhcWsOL5/84WCGbP7vPfWmvBpzyvqsulGP4u3wtxMCOEJBwf2De/gMQ3XXESL ghi80ZPC6MI92Q3Ksgh1VU8qOuO5mvkh7Zwodg4SE6dbN0/2z0Otg7+zGNmdn/J8uQ KFgU+yZKcr34z8FswH/iNufebb54FiShS85LOCys= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w73F2aEM020605; Fri, 3 Aug 2018 10:02:36 -0500 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Fri, 3 Aug 2018 10:02:35 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Fri, 3 Aug 2018 10:02:35 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id w73F2Zk3019504; Fri, 3 Aug 2018 10:02:35 -0500 Received: from localhost (a0272616local-lt.dhcp.ti.com [172.22.161.114]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id w73F2Zx08534; Fri, 3 Aug 2018 10:02:35 -0500 (CDT) From: Dan Murphy To: , CC: , , , Dan Murphy Subject: [PATCH 1/2] di: bindings: lm3697: Introduce the lm3697 driver Date: Fri, 3 Aug 2018 10:02:30 -0500 Message-ID: <20180803150231.7172-1-dmurphy@ti.com> X-Mailer: git-send-email 2.12.2 MIME-Version: 1.0 Content-Type: text/plain 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 device tree bindings for the lm3697 led driver for backlighting and display. Signed-off-by: Dan Murphy --- .../devicetree/bindings/leds/leds-lm3697.txt | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3697.txt diff --git a/Documentation/devicetree/bindings/leds/leds-lm3697.txt b/Documentation/devicetree/bindings/leds/leds-lm3697.txt new file mode 100644 index 000000000000..7b8e490f1ea1 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3697.txt @@ -0,0 +1,64 @@ +* Texas Instruments - LM3697 Highly Efficient White LED Driver + +The LM3697 11-bit LED driver provides high- +performance backlight dimming for 1, 2, or 3 series +LED strings while delivering up to 90% efficiency. + +This device is suitable for Display and Keypad Lighting + +Required properties: + - compatible: + "ti,lm3967" + - reg : I2C slave address + - #address-cells : 1 + - #size-cells : 0 + - control-bank-cfg - : Indicates which sink is connected to which control bank + 0 - All HVLED outputs are controlled by bank A + 1 - HVLED1 is controlled bank B, HVLED2/3 are controlled by bank A + 2 - HVLED2 is controlled bank B, HVLED1/3 are controlled by bank A + 3 - HVLED1/2 are controlled by bank B, HVLED3 is controlled by bank A + 4 - HVLED3 is controlled by bank B, HVLED1/2 are controlled by bank A + 5 - HVLED1/3 is controlled by bank B, HVLED2 is controlled by bank A + 6 - (default) HVLED1 is controlled by bank A, HVLED2/3 are controlled by bank B + 7 - All HVLED outputs are controlled by bank B + +Optional properties: + - enable-gpios : gpio pin to enable/disable the device. + - vled-supply : LED supply + +Required child properties: + - reg : 0 - LED is Controlled by bank A + 1 - LED is Controlled by bank B + +Optional child properties: + - label : see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt + +Example: + +led-controller@36 { + compatible = "ti,lm3967"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + control-bank-cfg = <0>; + + led@0 { + reg = <0>; + label = "white:first_backlight_cluster"; + linux,default-trigger = "backlight"; + }; + + led@1 { + reg = <1>; + label = "white:second_backlight_cluster"; + linux,default-trigger = "frontlight"; + }; +} + +For more product information please see the link below: +http://www.ti.com/lit/ds/symlink/lm3697.pdf -- 2.17.0.582.gccdcbd54c