From patchwork Fri Sep 28 18:29:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 10620269 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5E2C115A7 for ; Fri, 28 Sep 2018 18:30:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4C2C42C0A1 for ; Fri, 28 Sep 2018 18:30:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 404FD2C0B0; Fri, 28 Sep 2018 18:30:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE8DA2C09A for ; Fri, 28 Sep 2018 18:30:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727253AbeI2AzJ (ORCPT ); Fri, 28 Sep 2018 20:55:09 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:39318 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726473AbeI2AzI (ORCPT ); Fri, 28 Sep 2018 20:55:08 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id w8SIU3Rj105772; Fri, 28 Sep 2018 13:30:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1538159403; bh=Di5TTVK8nMsFF6vs8+PC410nXwy/9n2E3w86bq7ehcw=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=HSBPaRxOos/y9NdRWIXa/ak9Bc8cBqEy1I2TCLJ9eYo7yESX4kjyA+mpNW89fv+lw eGjzgLCh8ZBtwpSfaUQwK0l1pz1R7dDUEODnZa2YlF7XXUGkT3n6gAtifbCZAX0fQW /wAaIYuos2TS49Gp+RaqORcWdRBM7B3Efrrm2yfU= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w8SIU1GH002155; Fri, 28 Sep 2018 13:30:03 -0500 Received: from DLEE110.ent.ti.com (157.170.170.21) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Fri, 28 Sep 2018 13:30:02 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Fri, 28 Sep 2018 13:30:02 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id w8SIU21T002872; Fri, 28 Sep 2018 13:30:02 -0500 Received: from localhost (a0272616local-lt.dhcp.ti.com [172.22.149.181]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id w8SIU1x27721; Fri, 28 Sep 2018 13:30:01 -0500 (CDT) From: Dan Murphy To: , , CC: , , , , , Dan Murphy Subject: [RFC PATCH v2 6/9] dt-bindings: leds: Add support for the LM3633 Date: Fri, 28 Sep 2018 13:29:51 -0500 Message-ID: <20180928182954.25446-7-dmurphy@ti.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20180928182954.25446-1-dmurphy@ti.com> References: <20180928182954.25446-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for the TI LM3633 LED driver. This device has 9 control banks 3 high voltage LED channels and 6 low voltage LED channels. Data sheet: http://www.ti.com/lit/ds/symlink/lm3633.pdf Signed-off-by: Dan Murphy --- .../devicetree/bindings/leds/leds-lm3633.txt | 102 ++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3633.txt diff --git a/Documentation/devicetree/bindings/leds/leds-lm3633.txt b/Documentation/devicetree/bindings/leds/leds-lm3633.txt new file mode 100644 index 000000000000..d791b891ea6e --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3633.txt @@ -0,0 +1,102 @@ +* Texas Instruments - LM3633 Lighting Power Solution for Smartphone Handsets + +The LM3633 is a complete power source for +backlight, keypad, and indicator LEDs in smartphone +handsets. + +This device is suitable for display and keypad Lighting + +Required properties: + - compatible: + "ti,lm3633" + - reg : I2C slave address + - #address-cells : 1 + - #size-cells : 0 + +Optional properties: + - enable-gpios : GPIO pin to enable/disable the device + - vled-supply : LED supply + +Required child properties: + - reg : 0 - HVLED is Controlled by bank A + 1 - HVLED is Controlled by bank B + 2,3,4 - LVLED1, 2 and 3 are Controlled by bank C, D and E + 5,6,7 - LVLED4, 5 and 6 are Controlled by bank F, G and H + - led-sources : Indicates which LED string is associated to which + control bank. + 0 - LED is not active in this control bank + 1 - LED string is controlled by this control bank + +Optional child properties: + - runtime-ramp-up-msec: Current ramping from one brightness level to + the a higher brightness level. + Range from 2048 us - 117.44 s + - runtime-ramp-down-msec: Current ramping from one brightness level to + the a lower brightness level. + Range from 2048 us - 117.44 s + - label : see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt + +Example: +Control bank C output to 3 LVLEDs and Control F, G and H have independent +controls of the LVLEDs. + +led-controller@36 { + compatible = "ti,lm3633"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + led@0 { + reg = <0>; + led-sources = < 1 0 1 >; + label = "white:backlight"; + ramp-up-ms = <100000>; + ramp-down-ms = <1000>; + linux,default-trigger = "backlight"; + }; + + led@1 { + reg = <1>; + led-sources = < 0 1 0 >; + label = "white:light"; + ramp-up-ms = <100000>; + ramp-down-ms = <1000>; + }; + + led@2 { + reg = <2>; + led-sources = <1>; + ramp-up-ms = <100000>; + ramp-down-ms = <1000>; + label = "white:indicator1"; + }; + + led@5 { + reg = <5>; + led-sources = <1>; + ramp-up-ms = <100000>; + ramp-down-ms = <1000>; + label = "red:light"; + }; + + led@6 { + reg = <6>; + led-sources = <1>; + ramp-up-ms = <41940>; + ramp-down-ms = <1000>; + label = "green:light"; + }; + + led@7 { + reg = <7>; + led-sources = <1>; + ramp-up-ms = <100000>; + ramp-down-ms = <1000>; + label = "blue:light"; + }; +}; +For more product information please see the link below: +http://www.ti.com/lit/ds/symlink/lm3633.pdf