From patchwork Thu Mar 7 22:09:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 159937 Delivered-To: patch@linaro.org Received: by 2002:a02:5cc1:0:0:0:0:0 with SMTP id w62csp7963369jad; Thu, 7 Mar 2019 14:10:21 -0800 (PST) X-Google-Smtp-Source: APXvYqwuAhT3K8Qs0k7NDw6+raGWWp9Y9lRzlpw61Roui8Yn5k4bSZDeJDELkvxTNTz58a7pnIN4 X-Received: by 2002:a17:902:ab95:: with SMTP id f21mr15556495plr.188.1551996621771; Thu, 07 Mar 2019 14:10:21 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551996621; cv=none; d=google.com; s=arc-20160816; b=vUDxbtDMUeODov1XiWhDdNbShT3RTaaBv6T+sP2xo3qZIbPGy6ncn7r4te5yyTflBp tWtKFshBxMi3OA4PDMa0YuIRVcj0yPJDQrhNW8HAqX9jfC8A9iTHcydJt716rOkRDUFH vP9Ecz2HTrDCpzH6zMtI3HMcgGTxgD0iN/PkkqbouIH8NpAW9XYxIsjZ7bgtDehB7EX1 2uIdvfNSyfp4RClvIYNnZltfxYyo0P4VwTUeB7jMvNqI2KVYGBBvVWLTAs630H1qXxQ4 wsTyJ2H9XUyCtaJkYTVgt17WRQj9A12pzKq2MM6j/zyjY9jfMHA6OEFANBKh3WumpgDU 1YTA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=dg2jvREIrdBG9k5vObXIkn6EvUSqoQ5KCD3Zgtr+Btk=; b=Ginx60h7KQ59d6RrXn/7bLjGEB+MjapZjSVOdEZkiGg/KjIRxO5JheE7iPcvtAdvbb ncLF4Md86zu1vAbHuWk3uSBZgQFEfjzkgzMvtVJmXggUthAWfvekTOOiOuvLFe1Bqo8p UtrzKSQQjC1gCaHJS7prCV62zgcSxBdKeC5XEqHSFdNgAND/hutIukxEbwAmxli6Ji+J WAMQCH3qkyACr59EBDRs/osMu4wzhCEBLl3Y76myYnvVf9b9Sk35wBdZimlBk1t9Pby/ POGX5LzJap8JJxXBCP0mhkzvZft/di5IH1/Ykc80KFGFhP5Z1zcqM1iy/AqFELn/LOZv XzsA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=xKEo1Y26; 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 go21si5191953plb.368.2019.03.07.14.10.21; Thu, 07 Mar 2019 14:10:21 -0800 (PST) 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=xKEo1Y26; 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 S1726352AbfCGWKU (ORCPT + 31 others); Thu, 7 Mar 2019 17:10:20 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:40260 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726166AbfCGWKR (ORCPT ); Thu, 7 Mar 2019 17:10:17 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x27MA9Bf123618; Thu, 7 Mar 2019 16:10:09 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1551996609; bh=dg2jvREIrdBG9k5vObXIkn6EvUSqoQ5KCD3Zgtr+Btk=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=xKEo1Y26dCA8howfJ66UYTAtPBvKVGQnTWdtKQLymsPZvxlZxabxqA8XrSfesQTNm STpPQMbMkz9lY8SpYWO3Jv4r4O92R4gA7Df3WjO30RFcYfASTmYzNyUjf3m/kyYqLa sU2XSog1eM3/RvKYIwPlpt/61QWviBD/UmvH4h8I= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x27MA9Wf007840 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 7 Mar 2019 16:10:09 -0600 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Thu, 7 Mar 2019 16:10:09 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Thu, 7 Mar 2019 16:10:09 -0600 Received: from legion.dal.desgin.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 x27MA8dJ004822; Thu, 7 Mar 2019 16:10:09 -0600 Received: from localhost (a0272616local-lt.dhcp.ti.com [172.22.83.167]) by legion.dal.desgin.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id x27MA7U21623; Thu, 7 Mar 2019 16:10:07 -0600 (CST) From: Dan Murphy To: , , , , CC: , , , Dan Murphy Subject: [PATCH 2/4] ARM: dts: omap4-droid4: Update backlight dt properties Date: Thu, 7 Mar 2019 16:09:45 -0600 Message-ID: <20190307220947.20057-2-dmurphy@ti.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20190307220947.20057-1-dmurphy@ti.com> References: <20190307220947.20057-1-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 Update the properties for the lm3532 device node for droid4. With this change the backlight LED string and the keypad LED strings will be controlled separately. Signed-off-by: Dan Murphy --- arch/arm/boot/dts/omap4-droid4-xt894.dts | 27 +++++++++++++++++------- 1 file changed, 19 insertions(+), 8 deletions(-) -- 2.20.1.390.gb5101f9297 diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts index e21ec929f096..94e3d53dbcf3 100644 --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -6,6 +6,7 @@ /dts-v1/; #include +#include #include "omap443x.dtsi" #include "motorola-cpcap-mapphone.dtsi" @@ -383,20 +384,30 @@ }; &i2c1 { - lm3532@38 { + led-controller@38 { compatible = "ti,lm3532"; + #address-cells = <1>; + #size-cells = <0>; reg = <0x38>; enable-gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>; - lcd_backlight: backlight { - compatible = "ti,lm3532-backlight"; + ramp-up-ms = ; + ramp-down-ms = ; - lcd { - led-sources = <0 1 2>; - ramp-up-msec = <1>; - ramp-down-msec = <0>; - }; + lcd_backlight: led@0 { + reg = <0>; + led-sources = <2>; + ti,led-mode = ; + label = "backlight"; + linux,default-trigger = "backlight"; + }; + + led@1 { + reg = <1>; + led-sources = <1>; + ti,led-mode = ; + label = "keypad"; }; }; }; From patchwork Thu Mar 7 22:09:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 159939 Delivered-To: patch@linaro.org Received: by 2002:a02:5cc1:0:0:0:0:0 with SMTP id w62csp7963513jad; Thu, 7 Mar 2019 14:10:32 -0800 (PST) X-Google-Smtp-Source: APXvYqwYLh0luIrymJoMvu5QvNFtHgWbNrP0QbX0xK+25IK5y+TG4yph2ZVJSEeyv0eojYRRpK2R X-Received: by 2002:a63:e40b:: with SMTP id a11mr13474918pgi.259.1551996632235; Thu, 07 Mar 2019 14:10:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551996632; cv=none; d=google.com; s=arc-20160816; b=hzezZ7VrSZNS9Q1NubfVDiAiUL6OR4DSTKq2zeS5w9TFviQWbvsKhenbwDSoUWo7Zs d5aYqKcijeq3v3MBjkLa2cGpJ6qTbH3zXtIPVBSgO/4VfDX1j9+WNK/bFH3Aw2VmlS7j idxH8WmmHra6kCAXGDN67eCcfbtDzelPGhehUuczzMZ+WaltJrPX1M0QyQGzH3uxpyLJ If3lkT2WShjFo0sTos3+gl7eRF1kUaZTh8syjVvWgFnS44arCxRBotHLUWC97uABnIkd yVZdOowcETf36FO3TzDPnaaFXyXxI12VwvwtTzT2gNA2PjvFeUjDo0VMKx5aZ3PUrf/C c4Qg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=Yq1H9tpdUQlSl9Z4bOZkbnhMuJzjoJZUy3JCfrjZEZ8=; b=f10krVlPnkoFqpYvwfAOeRpJmNxCQepAIfJgf+q6aSx7SZsBx7OTohQ6aGn5c/+uIz jnF9CWllN4QbxRZBy/3Vb+Sta6RR5Xkzs4YYqcMQ7UHuTGAl+RlSKU8ZM82KJNb3fTb5 01dXwrPYAKIg7ZybSUOy/F4LJefH2XRbBbtNAP8Iba+w2l1QF0FBJU6RY0sBxF5bOIVB jq9pBr3FJ6+GjH5LQp6bZQjQRaKgs5tMp9xtbV1NdY4oR+F1TXs+/1t4mcfRq6xEEolV aC7sr/nlT3AXj8w5qBGJ4knBbDo4gin5R6A8cWvIJTfpNnv+0/GAky/RkjeP2Ewwcxhf db1w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=Zv2rm0rM; 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 q14si5111335pls.204.2019.03.07.14.10.31; Thu, 07 Mar 2019 14:10:32 -0800 (PST) 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=Zv2rm0rM; 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 S1726328AbfCGWKT (ORCPT + 31 others); Thu, 7 Mar 2019 17:10:19 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:40262 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726269AbfCGWKR (ORCPT ); Thu, 7 Mar 2019 17:10:17 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x27MABl9123635; Thu, 7 Mar 2019 16:10:11 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1551996611; bh=Yq1H9tpdUQlSl9Z4bOZkbnhMuJzjoJZUy3JCfrjZEZ8=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Zv2rm0rMwDFFNR6q0OpGkesWzoI8JJqkQmngMV/8f0BbjAlNsXGzOAXOdPHxss49s hVtCA9Ojy0JY5XmDu5Un2CbI4b7S25cqqCd9/fTOwz0dBV5F3cGNFtrteBLOTr9INz gHeoO6tYwjYXx0Np/w5rKrCNvTGzSzJfEaKea1lg= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x27MABKU007886 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 7 Mar 2019 16:10:11 -0600 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Thu, 7 Mar 2019 16:10:11 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Thu, 7 Mar 2019 16:10:11 -0600 Received: from legion.dal.desgin.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 x27MABep003182; Thu, 7 Mar 2019 16:10:11 -0600 Received: from localhost (a0272616local-lt.dhcp.ti.com [172.22.83.167]) by legion.dal.desgin.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id x27MAAU21687; Thu, 7 Mar 2019 16:10:10 -0600 (CST) From: Dan Murphy To: , , , , CC: , , , Dan Murphy Subject: [PATCH 3/4] mfd: ti-lmu: Remove LM3532 backlight driver references Date: Thu, 7 Mar 2019 16:09:46 -0600 Message-ID: <20190307220947.20057-3-dmurphy@ti.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20190307220947.20057-1-dmurphy@ti.com> References: <20190307220947.20057-1-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 Remove the LM3532 backlight driver references from the ti-lmu code as dedicated driver support is available. Signed-off-by: Dan Murphy --- drivers/mfd/ti-lmu.c | 11 ----------- include/linux/mfd/ti-lmu.h | 1 - 2 files changed, 12 deletions(-) -- 2.20.1.390.gb5101f9297 diff --git a/drivers/mfd/ti-lmu.c b/drivers/mfd/ti-lmu.c index 37d0bdb291c3..b06cb908d1aa 100644 --- a/drivers/mfd/ti-lmu.c +++ b/drivers/mfd/ti-lmu.c @@ -54,14 +54,6 @@ static void ti_lmu_disable_hw(void *data) gpiod_set_value(lmu->en_gpio, 0); } -static const struct mfd_cell lm3532_devices[] = { - { - .name = "ti-lmu-backlight", - .id = LM3532, - .of_compatible = "ti,lm3532-backlight", - }, -}; - #define LM363X_REGULATOR(_id) \ { \ .name = "lm363x-regulator", \ @@ -141,7 +133,6 @@ static const struct ti_lmu_data chip##_data = \ .max_register = max_reg, \ } \ -TI_LMU_DATA(lm3532, LM3532_MAX_REG); TI_LMU_DATA(lm3631, LM3631_MAX_REG); TI_LMU_DATA(lm3632, LM3632_MAX_REG); TI_LMU_DATA(lm3633, LM3633_MAX_REG); @@ -211,7 +202,6 @@ static int ti_lmu_probe(struct i2c_client *cl, const struct i2c_device_id *id) } static const struct of_device_id ti_lmu_of_match[] = { - { .compatible = "ti,lm3532", .data = &lm3532_data }, { .compatible = "ti,lm3631", .data = &lm3631_data }, { .compatible = "ti,lm3632", .data = &lm3632_data }, { .compatible = "ti,lm3633", .data = &lm3633_data }, @@ -222,7 +212,6 @@ static const struct of_device_id ti_lmu_of_match[] = { MODULE_DEVICE_TABLE(of, ti_lmu_of_match); static const struct i2c_device_id ti_lmu_ids[] = { - { "lm3532", LM3532 }, { "lm3631", LM3631 }, { "lm3632", LM3632 }, { "lm3633", LM3633 }, diff --git a/include/linux/mfd/ti-lmu.h b/include/linux/mfd/ti-lmu.h index 1ef51ed36be5..7762c1bce55d 100644 --- a/include/linux/mfd/ti-lmu.h +++ b/include/linux/mfd/ti-lmu.h @@ -22,7 +22,6 @@ #define LMU_EVENT_MONITOR_DONE 0x01 enum ti_lmu_id { - LM3532, LM3631, LM3632, LM3633, From patchwork Thu Mar 7 22:09:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 159938 Delivered-To: patch@linaro.org Received: by 2002:a02:5cc1:0:0:0:0:0 with SMTP id w62csp7963416jad; Thu, 7 Mar 2019 14:10:25 -0800 (PST) X-Google-Smtp-Source: APXvYqy2Ssrz5sGBo028eAn4Pw1fVLGzURTYxlqmvjhkIciEbmkKWtO7oajXIFVx+VyYdi+DJn/J X-Received: by 2002:a17:902:848b:: with SMTP id c11mr14566384plo.279.1551996625890; Thu, 07 Mar 2019 14:10:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551996625; cv=none; d=google.com; s=arc-20160816; b=SmyhZDquFa1+m+L+lQ45Rqan2Svb3r2pnC9Lu37Ld4ngNBEhCQjN51ziTm7Ybo3D8J cJTIVMPPiWmg5a9ButaLJQZO9Zouo7VwCOlaLLle83qTJLfFZINSwOPweYDLLZpVyl3W Eql+tLYGduNvzRvyZKFggkY2qQ6JEcMx7oZUNwDsmLJNhVlHfXR9X3Ug1hf3lYSNmber N0zqztNKiq89LT0vS/lLoll2oGvS29g6z0LiQB/BVs1IT47DkoRN2zUyyXm2nBpfymuA UsiGm+x63TpWlUDvFf1CkCm3T11OkgkDx3e5wxeObRhItLiak6ZipozzxdBE8z8nfqve qtrw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=Dooe5xQxzW7zshAKjRiGmgJyXUXwMbyniWlXEc68tg0=; b=Y4s2J3tFz9sK8QpvPXg6Nng4GcHAqH75gP76oCGbTGQDxft1xQyJjXbOgPCwY73fSA gZENpcinSxZKWT9A/+qlRUzDv4qquxQCcrKoqPOx/BwFyYwrnAt52gK9TRCqM68SjDXv WioHDJAn+pNbTC1H6r63k1bDAUOHNsnOMORV2AXErubFJCNjoTAog5DcceBBfNEWIN8q cW15P8EovEbsFRGnw1Ou0iLfUtAIlFIh22WoEppRJWVOFcN2lx/KsHXWx2MIN73lepwD 8K2ozf+ucfFjahCfunpSa9bcJEQ67PyBsw/wCaLRnmwZ+LnZlh1hkJiK3Rj4C5xKXj+M u6Gw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=oIkzyK7X; 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 go21si5191953plb.368.2019.03.07.14.10.25; Thu, 07 Mar 2019 14:10:25 -0800 (PST) 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=oIkzyK7X; 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 S1726386AbfCGWKY (ORCPT + 31 others); Thu, 7 Mar 2019 17:10:24 -0500 Received: from lelv0143.ext.ti.com ([198.47.23.248]:49362 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726166AbfCGWKW (ORCPT ); Thu, 7 Mar 2019 17:10:22 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x27MAE8D059784; Thu, 7 Mar 2019 16:10:14 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1551996614; bh=Dooe5xQxzW7zshAKjRiGmgJyXUXwMbyniWlXEc68tg0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=oIkzyK7XXvzbbCgpCGsn/R4bYLBmbYS582AF8ifz4jTSxBsvJ14bZrHQnzd8NWlDh BCQKLvyJonwgZXxt3/3eiF7vfoW+sISsDa1JB/fjozLlPHRd2qAdZI7HB9VZfFDekt 6249PVzq4vo3GJzjLuBjEwBhcFxqlYYC/egdhHqA= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x27MAEr2117744 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 7 Mar 2019 16:10:14 -0600 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Thu, 7 Mar 2019 16:10:14 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Thu, 7 Mar 2019 16:10:14 -0600 Received: from legion.dal.desgin.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 x27MADW0005020; Thu, 7 Mar 2019 16:10:13 -0600 Received: from localhost (a0272616local-lt.dhcp.ti.com [172.22.83.167]) by legion.dal.desgin.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id x27MADU21745; Thu, 7 Mar 2019 16:10:13 -0600 (CST) From: Dan Murphy To: , , , , CC: , , , Dan Murphy Subject: [PATCH 4/4] leds: lm3532: Introduce the lm3532 LED driver Date: Thu, 7 Mar 2019 16:09:47 -0600 Message-ID: <20190307220947.20057-4-dmurphy@ti.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20190307220947.20057-1-dmurphy@ti.com> References: <20190307220947.20057-1-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 Texas Instruments LM3532 White LED driver. The driver supports ALS configurability or manual brightness control. The driver also supports associating LED strings with specific control banks in a group or as individually controlled strings. Signed-off-by: Dan Murphy --- drivers/leds/Kconfig | 10 + drivers/leds/Makefile | 1 + drivers/leds/leds-lm3532.c | 595 +++++++++++++++++++++++++ include/dt-bindings/leds/leds-lm3532.h | 72 +++ 4 files changed, 678 insertions(+) create mode 100644 drivers/leds/leds-lm3532.c create mode 100644 include/dt-bindings/leds/leds-lm3532.h -- 2.20.1.390.gb5101f9297 diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index a72f97fca57b..da00b9ed5a5c 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -138,6 +138,16 @@ config LEDS_LM3530 controlled manually or using PWM input or using ambient light automatically. +config LEDS_LM3532 + tristate "LCD Backlight driver for LM3532" + depends on LEDS_CLASS + depends on I2C + help + This option enables support for the LCD backlight using + LM3532 ambient light sensor chip. This ALS chip can be + controlled manually or using PWM input or using ambient + light automatically. + config LEDS_LM3533 tristate "LED support for LM3533" depends on LEDS_CLASS diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 4c1b0054f379..7a8b1f55d459 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_LEDS_BD2802) += leds-bd2802.o obj-$(CONFIG_LEDS_CPCAP) += leds-cpcap.o obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o obj-$(CONFIG_LEDS_LM3530) += leds-lm3530.o +obj-$(CONFIG_LEDS_LM3532) += leds-lm3532.o obj-$(CONFIG_LEDS_LM3533) += leds-lm3533.o obj-$(CONFIG_LEDS_LM3642) += leds-lm3642.o obj-$(CONFIG_LEDS_MIKROTIK_RB532) += leds-rb532.o diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c new file mode 100644 index 000000000000..005478359d06 --- /dev/null +++ b/drivers/leds/leds-lm3532.c @@ -0,0 +1,595 @@ +// SPDX-License-Identifier: GPL-2.0 +// TI LM3532 LED driver +// Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define LM3532_NAME "lm3532-led" + +#define LM3532_REG_OUTPUT_CFG 0x10 +#define LM3532_REG_STARTSHUT_RAMP 0x11 +#define LM3532_REG_RT_RAMP 0x12 +#define LM3532_REG_PWM_A_CFG 0x13 +#define LM3532_REG_PWM_B_CFG 0x14 +#define LM3532_REG_PWM_C_CFG 0x15 +#define LM3532_REG_ZONE_CFG_A 0x16 +#define LM3532_REG_CTRL_A_BRT 0x17 +#define LM3532_REG_ZONE_CFG_B 0x18 +#define LM3532_REG_CTRL_B_BRT 0x19 +#define LM3532_REG_ZONE_CFG_C 0x1a +#define LM3532_REG_CTRL_C_BRT 0x1b +#define LM3532_REG_ENABLE 0x1d +#define LM3532_ALS_CONFIG 0x23 +#define LM3532_REG_ZN_0_HI 0x60 +#define LM3532_REG_ZN_0_LO 0x61 +#define LM3532_REG_ZN_1_HI 0x62 +#define LM3532_REG_ZN_1_LO 0x63 +#define LM3532_REG_ZN_2_HI 0x64 +#define LM3532_REG_ZN_2_LO 0x65 +#define LM3532_REG_ZN_3_HI 0x66 +#define LM3532_REG_ZN_3_LO 0x67 +#define LM3532_REG_MAX 0x7e + +/* Contorl Enable */ +#define LM3532_CTRL_A_ENABLE BIT(0) +#define LM3532_CTRL_B_ENABLE BIT(1) +#define LM3532_CTRL_C_ENABLE BIT(2) + +/* PWM Zone Control */ +#define LM3532_PWM_ZONE_MASK 0x7c +#define LM3532_PWM_ZONE_0_EN BIT(2) +#define LM3532_PWM_ZONE_1_EN BIT(3) +#define LM3532_PWM_ZONE_2_EN BIT(4) +#define LM3532_PWM_ZONE_3_EN BIT(5) +#define LM3532_PWM_ZONE_4_EN BIT(6) + +/* Brightness Configuration */ +#define LM3532_I2C_CTRL BIT(0) +#define LM3532_LINEAR_MAP BIT(1) +#define LM3532_ZONE_MASK (BIT(2) | BIT(3) | BIT(4)) +#define LM3532_ZONE_0 0 +#define LM3532_ZONE_1 BIT(2) +#define LM3532_ZONE_2 BIT(3) +#define LM3532_ZONE_3 (BIT(2) | BIT(3)) +#define LM3532_ZONE_4 BIT(4) + +#define LM3532_ENABLE_ALS BIT(3) +#define LM3532_ALS_SEL_SHIFT 6 + +/* Zone Boundary Register */ +#define LM3532_ALS_WINDOW_mV 2000 +#define LM3532_ALS_ZB_MAX 4 +#define LM3532_ALS_OFFSET_mV 2 + +#define LM3532_CONTROL_A 0 +#define LM3532_CONTROL_B 1 +#define LM3532_CONTROL_C 2 +#define LM3532_MAX_CONTROL_BANKS 3 +#define LM3532_MAX_LED_STRINGS 3 + +#define LM3532_OUTPUT_CFG_MASK 0x3 +#define LM3532_BRT_VAL_ADJUST 8 +#define LM3532_RAMP_DOWN_SHIFT 3 + +/* + * struct lm3532_als_data + * @config - value of ALS configuration register + * @als1_imp_sel - value of ALS1 resistor select register + * @als2_imp_sel - value of ALS2 resistor select register + * @als_avrg_time - ALS averaging time + * @als_input_mode - ALS input mode for brightness control + * @als_vmin - Minimum ALS voltage + * @als_vmax - Maximum ALS voltage + * @zone_lo - values of ALS lo ZB(Zone Boundary) registers + * @zone_hi - values of ALS hi ZB(Zone Boundary) registers + */ +struct lm3532_als_data { + u8 config; + u8 als1_imp_sel; + u8 als2_imp_sel; + u8 als_avrg_time; + u8 als_input_mode; + u32 als_vmin; + u32 als_vmax; + u8 zones_lo[LM3532_ALS_ZB_MAX]; + u8 zones_hi[LM3532_ALS_ZB_MAX]; +}; + +/** + * struct lm3532_led + * @led_dev: led class device + * @priv - Pointer the device data structure + * @control_bank - Control bank the LED is associated to + * @mode - Mode of the LED string + * @num_leds - Number of LED strings are supported in this array + * @led_strings - The LED strings supported in this array + * @label - LED label + */ +struct lm3532_led { + struct led_classdev led_dev; + struct lm3532_data *priv; + + int control_bank; + int mode; + int num_leds; + u32 led_strings[LM3532_MAX_CONTROL_BANKS]; + char label[LED_MAX_NAME_SIZE]; +}; + +/** + * struct lm3532_data + * @enable_gpio - Hardware enable gpio + * @regulator: regulator + * @client: i2c client + * @regmap - Devices register map + * @dev - Pointer to the devices device struct + * @lock - Lock for reading/writing the device + * @als_data - Pointer to the als data struct + * @runtime_ramp_up - Runtime ramp up setting + * @runtime_ramp_down - Runtime ramp down setting + * @leds - Array of LED strings + */ +struct lm3532_data { + struct gpio_desc *enable_gpio; + struct regulator *regulator; + struct i2c_client *client; + struct regmap *regmap; + struct device *dev; + struct mutex lock; + + struct lm3532_als_data *als_data; + + u32 runtime_ramp_up; + u32 runtime_ramp_down; + + struct lm3532_led leds[]; +}; + +static const struct reg_default lm3532_reg_defs[] = { + {LM3532_REG_OUTPUT_CFG, 0xe4}, + {LM3532_REG_STARTSHUT_RAMP, 0xc0}, + {LM3532_REG_RT_RAMP, 0xc0}, + {LM3532_REG_PWM_A_CFG, 0x82}, + {LM3532_REG_PWM_B_CFG, 0x82}, + {LM3532_REG_PWM_C_CFG, 0x82}, + {LM3532_REG_ZONE_CFG_A, 0xf1}, + {LM3532_REG_CTRL_A_BRT, 0xf3}, + {LM3532_REG_ZONE_CFG_B, 0xf1}, + {LM3532_REG_CTRL_B_BRT, 0xf3}, + {LM3532_REG_ZONE_CFG_C, 0xf1}, + {LM3532_REG_CTRL_C_BRT, 0xf3}, + {LM3532_REG_ENABLE, 0xf8}, + {LM3532_ALS_CONFIG, 0x44}, + {LM3532_REG_ZN_0_HI, 0x35}, + {LM3532_REG_ZN_0_LO, 0x33}, + {LM3532_REG_ZN_1_HI, 0x6a}, + {LM3532_REG_ZN_1_LO, 0x66}, + {LM3532_REG_ZN_2_HI, 0xa1}, + {LM3532_REG_ZN_2_LO, 0x99}, + {LM3532_REG_ZN_3_HI, 0xdc}, + {LM3532_REG_ZN_3_LO, 0xcc}, +}; + +static const struct regmap_config lm3532_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = LM3532_REG_MAX, + .reg_defaults = lm3532_reg_defs, + .num_reg_defaults = ARRAY_SIZE(lm3532_reg_defs), + .cache_type = REGCACHE_FLAT, +}; + +static int lm3532_led_enable(struct lm3532_led *led_data) +{ + int ctrl_en_val; + int ret; + + switch (led_data->control_bank) { + case LM3532_CONTROL_A: + ctrl_en_val = LM3532_CTRL_A_ENABLE; + break; + case LM3532_CONTROL_B: + ctrl_en_val = LM3532_CTRL_B_ENABLE; + break; + case LM3532_CONTROL_C: + ctrl_en_val = LM3532_CTRL_C_ENABLE; + break; + default: + dev_err(led_data->priv->dev, "Invalid control bank\n"); + return -EINVAL; + }; + + ret = regmap_update_bits(led_data->priv->regmap, LM3532_REG_ENABLE, + ctrl_en_val, ctrl_en_val); + if (ret) { + dev_err(led_data->priv->dev, "Failed to set ctrl:%d\n", ret); + return ret; + } + + return regulator_enable(led_data->priv->regulator); +} + +static int lm3532_led_disable(struct lm3532_led *led_data) +{ + int ctrl_en_val; + int ret; + + switch (led_data->control_bank) { + case LM3532_CONTROL_A: + ctrl_en_val = LM3532_CTRL_A_ENABLE; + break; + case LM3532_CONTROL_B: + ctrl_en_val = LM3532_CTRL_B_ENABLE; + break; + case LM3532_CONTROL_C: + ctrl_en_val = LM3532_CTRL_C_ENABLE; + break; + default: + dev_err(led_data->priv->dev, "Invalid control bank\n"); + return -EINVAL; + }; + + ret = regmap_update_bits(led_data->priv->regmap, LM3532_REG_ENABLE, + ctrl_en_val, ~ctrl_en_val); + if (ret) { + dev_err(led_data->priv->dev, "Failed to set ctrl:%d\n", ret); + return ret; + } + + return regulator_disable(led_data->priv->regulator); +} + +static int lm3532_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brt_val) +{ + struct lm3532_led *led = + container_of(led_cdev, struct lm3532_led, led_dev); + u8 brightnes_reg; + int ret; + + mutex_lock(&led->priv->lock); + + if (led->mode == LM3532_BL_MODE_ALS) { + ret = 0; + goto unlock; + } + + switch (led->control_bank) { + case LM3532_CONTROL_A: + brightnes_reg = LM3532_REG_CTRL_A_BRT; + break; + case LM3532_CONTROL_B: + brightnes_reg = LM3532_REG_CTRL_B_BRT; + break; + case LM3532_CONTROL_C: + brightnes_reg = LM3532_REG_CTRL_C_BRT; + break; + default: + dev_err(led->priv->dev, "Invalid control bank\n"); + ret = -EINVAL; + goto unlock; + }; + + if (brt_val == LED_OFF) { + ret = lm3532_led_disable(led); + goto unlock; + } + + lm3532_led_enable(led); + brt_val = brt_val / LM3532_BRT_VAL_ADJUST; + + ret = regmap_write(led->priv->regmap, brightnes_reg, brt_val); + +unlock: + mutex_unlock(&led->priv->lock); + return ret; +} + +static int lm3532_init_registers(struct lm3532_led *led) +{ + struct lm3532_data *drvdata = led->priv; + unsigned int runtime_ramp_val; + unsigned int output_cfg_val = 0; + unsigned int output_cfg_shift = 0; + unsigned int output_cfg_mask = 0; + int ret, i; + + for (i = 0; i < led->num_leds; i++) { + output_cfg_shift = led->led_strings[i] * 2; + output_cfg_val |= (led->control_bank << output_cfg_shift); + output_cfg_mask |= LM3532_OUTPUT_CFG_MASK << output_cfg_shift; + } + + ret = regmap_update_bits(drvdata->regmap, LM3532_REG_OUTPUT_CFG, + output_cfg_mask, output_cfg_val); + + runtime_ramp_val = drvdata->runtime_ramp_up | + (drvdata->runtime_ramp_down << LM3532_RAMP_DOWN_SHIFT); + + return regmap_write(drvdata->regmap, LM3532_REG_RT_RAMP, + runtime_ramp_val); +} + +static int lm3532_als_configure(struct lm3532_data *priv) +{ + struct lm3532_als_data *als = priv->als_data; + u32 als_vmin, als_vmax, als_vstep; + int zone_reg = LM3532_REG_ZN_0_HI; + int ret; + int i; + + als_vmin = als->als_vmin; + als_vmax = als->als_vmax; + + als_vstep = (als_vmax - als_vmin) / ((LM3532_ALS_ZB_MAX + 1) * 2); + + for (i = 0; i < LM3532_ALS_ZB_MAX; i++) { + als->zones_lo[i] = ((als_vmin + als_vstep + (i * als_vstep)) * + LED_FULL) / 1000; + als->zones_hi[i] = ((als_vmin + LM3532_ALS_OFFSET_mV + + als_vstep + (i * als_vstep)) * LED_FULL) / 1000; + + zone_reg = LM3532_REG_ZN_0_HI + i * 2; + ret = regmap_write(priv->regmap, zone_reg, als->zones_lo[i]); + if (ret) + return ret; + + zone_reg += 1; + ret = regmap_write(priv->regmap, zone_reg, als->zones_hi[i]); + if (ret) + return ret; + } + + als->config = (als->als_avrg_time | (LM3532_ENABLE_ALS) | + (als->als_input_mode << LM3532_ALS_SEL_SHIFT)); + + return regmap_write(priv->regmap, LM3532_ALS_CONFIG, als->config); +} + +static int lm3532_parse_als(struct lm3532_data *priv) +{ + struct lm3532_als_data *als; + int ret; + + als = devm_kzalloc(priv->dev, sizeof(*als), GFP_KERNEL); + if (als == NULL) + return -ENOMEM; + + ret = device_property_read_u32(&priv->client->dev, "als-vmin", + &als->als_vmin); + if (ret) + als->als_vmin = 0; + + ret = device_property_read_u32(&priv->client->dev, "als-vmax", + &als->als_vmax); + if (ret) + als->als_vmax = LM3532_ALS_WINDOW_mV; + + ret = device_property_read_u8(&priv->client->dev, "als1-imp-sel", + &als->als1_imp_sel); + if (ret) + als->als1_imp_sel = 0; + + ret = device_property_read_u8(&priv->client->dev, "als2-imp-sel", + &als->als2_imp_sel); + if (ret) + als->als2_imp_sel = 0; + + ret = device_property_read_u8(&priv->client->dev, "als-avrg-time", + &als->als_avrg_time); + if (ret) + als->als_avrg_time = 0; + + ret = device_property_read_u8(&priv->client->dev, "als-input-mode", + &als->als_input_mode); + if (ret) + als->als_input_mode = 0; + + priv->als_data = als; + + return ret; +} + +static int lm3532_parse_node(struct lm3532_data *priv) +{ + struct fwnode_handle *child = NULL; + struct lm3532_led *led; + const char *name; + int control_bank; + size_t i = 0; + int ret; + + priv->enable_gpio = devm_gpiod_get_optional(&priv->client->dev, + "enable", GPIOD_OUT_LOW); + if (IS_ERR(priv->enable_gpio)) + priv->enable_gpio = NULL; + + priv->regulator = devm_regulator_get(&priv->client->dev, "vin"); + if (IS_ERR(priv->regulator)) + priv->regulator = NULL; + + ret = device_property_read_u32(&priv->client->dev, "ramp-down-ms", + &priv->runtime_ramp_up); + if (ret) + dev_info(&priv->client->dev, "ramp-down-ms property missing\n"); + + ret = device_property_read_u32(&priv->client->dev, "ramp-down-ms", + &priv->runtime_ramp_down); + if (ret) + dev_info(&priv->client->dev, "ramp-down-ms property missing\n"); + + device_for_each_child_node(priv->dev, child) { + led = &priv->leds[i]; + + ret = fwnode_property_read_u32(child, "reg", &control_bank); + if (ret) { + dev_err(&priv->client->dev, "reg property missing\n"); + fwnode_handle_put(child); + goto child_out; + } + + if (control_bank > LM3532_CONTROL_C) { + dev_err(&priv->client->dev, "Control bank invalid\n"); + continue; + } + + led->control_bank = control_bank; + + ret = fwnode_property_read_u32(child, "ti,led-mode", + &led->mode); + if (ret) { + dev_err(&priv->client->dev, "ti,led-mode property missing\n"); + fwnode_handle_put(child); + goto child_out; + } + + if (led->mode == LM3532_BL_MODE_ALS) { + ret = lm3532_parse_als(priv); + if (ret) + dev_err(&priv->client->dev, "Failed to parse als\n"); + else + lm3532_als_configure(priv); + } + + led->num_leds = fwnode_property_read_u32_array(child, + "led-sources", + NULL, 0); + + if (led->num_leds > LM3532_MAX_LED_STRINGS) { + dev_err(&priv->client->dev, "To many LED string defined\n"); + continue; + } + + ret = fwnode_property_read_u32_array(child, "led-sources", + led->led_strings, + led->num_leds); + if (ret) { + dev_err(&priv->client->dev, "led-sources property missing\n"); + fwnode_handle_put(child); + goto child_out; + } + + fwnode_property_read_string(child, "linux,default-trigger", + &led->led_dev.default_trigger); + + ret = fwnode_property_read_string(child, "label", &name); + if (ret) + snprintf(led->label, sizeof(led->label), + "%s::", priv->client->name); + else + snprintf(led->label, sizeof(led->label), + "%s:%s", priv->client->name, name); + + led->priv = priv; + led->led_dev.name = led->label; + led->led_dev.brightness_set_blocking = lm3532_brightness_set; + + ret = devm_led_classdev_register(priv->dev, &led->led_dev); + if (ret) { + dev_err(&priv->client->dev, "led register err: %d\n", + ret); + fwnode_handle_put(child); + goto child_out; + } + + lm3532_init_registers(led); + + i++; + } + +child_out: + return ret; +} + +static int lm3532_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lm3532_data *drvdata; + int ret = 0; + int count; + + count = device_get_child_node_count(&client->dev); + if (!count) { + dev_err(&client->dev, "LEDs are not defined in device tree!"); + return -ENODEV; + } + + drvdata = devm_kzalloc(&client->dev, struct_size(drvdata, leds, count), + GFP_KERNEL); + if (drvdata == NULL) + return -ENOMEM; + + drvdata->client = client; + drvdata->dev = &client->dev; + + drvdata->regmap = devm_regmap_init_i2c(client, &lm3532_regmap_config); + if (IS_ERR(drvdata->regmap)) { + ret = PTR_ERR(drvdata->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + mutex_init(&drvdata->lock); + i2c_set_clientdata(client, drvdata); + + ret = lm3532_parse_node(drvdata); + if (ret) { + dev_err(&client->dev, "Failed to parse node\n"); + return ret; + } + + if (drvdata->enable_gpio) + gpiod_direction_output(drvdata->enable_gpio, 1); + + return ret; +} + +static int lm3532_remove(struct i2c_client *client) +{ + struct lm3532_data *drvdata = i2c_get_clientdata(client); + + if (drvdata->enable_gpio) + gpiod_direction_output(drvdata->enable_gpio, 0); + + return 0; +} + +static const struct of_device_id of_lm3532_leds_match[] = { + { .compatible = "ti,lm3532", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_lm3532_leds_match); + +static const struct i2c_device_id lm3532_id[] = { + {LM3532_NAME, 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, lm3532_id); + +static struct i2c_driver lm3532_i2c_driver = { + .probe = lm3532_probe, + .remove = lm3532_remove, + .id_table = lm3532_id, + .driver = { + .name = LM3532_NAME, + .of_match_table = of_lm3532_leds_match, + }, +}; +module_i2c_driver(lm3532_i2c_driver); + +MODULE_DESCRIPTION("Back Light driver for LM3532"); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Dan Murphy "); diff --git a/include/dt-bindings/leds/leds-lm3532.h b/include/dt-bindings/leds/leds-lm3532.h new file mode 100644 index 000000000000..724dbc0cb395 --- /dev/null +++ b/include/dt-bindings/leds/leds-lm3532.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* TI LM3532 LED driver + * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ + */ + +#ifndef __DT_BINDINGS_LEDS_LM3532_H +#define __DT_BINDINGS_LEDS_LM3532_H + +#define LM3532_BL_MODE_MANUAL 0x00 /* "man" */ +#define LM3532_BL_MODE_ALS 0x01 /* "als" */ + +/* ALS Resistor Select */ +#define LM3532_IMP_HIGH 0x00 +#define LM3532_IMP_37K 0x01 +#define LM3532_IMP_18_5K 0x02 +#define LM3532_IMP_12_33K 0x03 +#define LM3532_IMP_9_25K 0x04 +#define LM3532_IMP_7_4K 0x05 +#define LM3532_IMP_6_17K 0x06 +#define LM3532_IMP_5_29K 0x07 +#define LM3532_IMP_4_63K 0x08 +#define LM3532_IMP_4_11K 0x09 +#define LM3532_IMP_3_7K 0x0a +#define LM3532_IMP_3_36K 0x0b +#define LM3532_IMP_3_08K 0x0c +#define LM3532_IMP_2_85K 0x0d +#define LM3532_IMP_2_64K 0x0e +#define LM3532_IMP_2_44K 0x0f +#define LM3532_IMP_2_31K 0x10 +#define LM3532_IMP_2_18K 0x11 +#define LM3532_IMP_2_06K 0x12 +#define LM3532_IMP_1_95K 0x13 +#define LM3532_IMP_1_85K 0x14 +#define LM3532_IMP_1_76K 0x15 +#define LM3532_IMP_1_68K 0x16 +#define LM3532_IMP_1_61K 0x17 +#define LM3532_IMP_1_54K 0x18 +#define LM3532_IMP_1_48K 0x19 +#define LM3532_IMP_1_42K 0x1a +#define LM3532_IMP_1_37K 0x1b +#define LM3532_IMP_1_32K 0x1c +#define LM3532_IMP_1_28K 0x1d +#define LM3532_IMP_1_23K 0x1e +#define LM3532_IMP_1_19K 0x1f + +/* ALS Averaging Time */ +#define LM3532_ALS_AVRG_TIME_17_92ms 0x00 +#define LM3532_ALS_AVRG_TIME_35_84ms 0x01 +#define LM3532_ALS_AVRG_TIME_71_68ms 0x02 +#define LM3532_ALS_AVRG_TIME_143_36ms 0x03 +#define LM3532_ALS_AVRG_TIME_286_72ms 0x04 +#define LM3532_ALS_AVRG_TIME_573_44ms 0x05 +#define LM3532_ALS_AVRG_TIME_1146_88ms 0x06 +#define LM3532_ALS_AVRG_TIME_2293_76ms 0x07 + +/* ALS input select */ +#define LM3532_ALS_INPUT_AVRG 0x00 /* ALS1 and ALS2 input average */ +#define LM3532_ALS_INPUT_ALS1 0x01 /* ALS1 Input */ +#define LM3532_ALS_INPUT_ALS2 0x02 /* ALS2 Input */ +#define LM3532_ALS_INPUT_CEIL 0x03 /* Max of ALS1 and ALS2 */ + +/* Ramp Times */ +#define LM3532_RAMP_8us 0x00 +#define LM3532_RAMP_1024us 0x01 +#define LM3532_RAMP_2048us 0x02 +#define LM3532_RAMP_4096us 0x03 +#define LM3532_RAMP_8192us 0x04 +#define LM3532_RAMP_16384us 0x05 +#define LM3532_RAMP_32768us 0x06 +#define LM3532_RAMP_65536us 0x07 + +#endif /* __DT_BINDINGS_LEDS_LM3532_H */