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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 A297CC282DD for ; Wed, 22 May 2019 19:44:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 750992081C for ; Wed, 22 May 2019 19:44:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="A+/dnBdX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732474AbfEVT2I (ORCPT ); Wed, 22 May 2019 15:28:08 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:41340 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731387AbfEVT1w (ORCPT ); Wed, 22 May 2019 15:27:52 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x4MJRkxb016907; Wed, 22 May 2019 14:27:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1558553266; bh=itExORL3KdLT3HQGYDuVv7awOOxxOEGDK+mdWtGGt8g=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=A+/dnBdXikfvNMSE4qlFprTFq9k/4DOWQwNTvLSEcSQaFH7NO4+lMSgG1p/NrnXfb XBMExeCbtNqe0+NQZVztFJlqD/pntCx5m9cplu04h5rPeGrKv3JhTNSNN5mM6r5i5+ diMFASqzmeU5N4zzOhWUKjRBIms04VocZ4s5HO1A= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x4MJRkgp010662 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 22 May 2019 14:27:46 -0500 Received: from DLEE108.ent.ti.com (157.170.170.38) 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 15.1.1713.5; Wed, 22 May 2019 14:27:45 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE108.ent.ti.com (157.170.170.38) 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; Wed, 22 May 2019 14:27:45 -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 x4MJRj89101064; Wed, 22 May 2019 14:27:45 -0500 From: Dan Murphy To: , , , CC: , , , Dan Murphy Subject: [RESEND PATCH v4 4/6] regulator: lm363x: Add support for LM36274 Date: Wed, 22 May 2019 14:27:31 -0500 Message-ID: <20190522192733.13422-5-dmurphy@ti.com> X-Mailer: git-send-email 2.21.0.5.gaeb582a983 In-Reply-To: <20190522192733.13422-1-dmurphy@ti.com> References: <20190522192733.13422-1-dmurphy@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 Adding regulator support for the LM36274 backlight driver. This device can leverage this existing code as the functionality and registers are common enough between the LM36274 and the LM363x series of devices. Signed-off-by: Dan Murphy --- drivers/regulator/Kconfig | 2 +- drivers/regulator/lm363x-regulator.c | 52 ++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index b7f249ee5e68..23252ae81fdf 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -362,7 +362,7 @@ config REGULATOR_LM363X tristate "TI LM363X voltage regulators" depends on MFD_TI_LMU help - This driver supports LM3631 and LM3632 voltage regulators for + This driver supports LM3631, LM3632 and LM36274 voltage regulators for the LCD bias. One boost output voltage is configurable and always on. Other LDOs are used for the display module. diff --git a/drivers/regulator/lm363x-regulator.c b/drivers/regulator/lm363x-regulator.c index 382b1cecdd93..1944677b1448 100644 --- a/drivers/regulator/lm363x-regulator.c +++ b/drivers/regulator/lm363x-regulator.c @@ -37,6 +37,11 @@ #define LM3632_VBOOST_MIN 4500000 #define LM3632_VLDO_MIN 4000000 +/* LM36274 */ +#define LM36274_BOOST_VSEL_MAX 0x3f +#define LM36274_LDO_VSEL_MAX 0x34 +#define LM36274_VOLTAGE_MIN 4000000 + /* Common */ #define LM363X_STEP_50mV 50000 #define LM363X_STEP_500mV 500000 @@ -217,6 +222,51 @@ static const struct regulator_desc lm363x_regulator_desc[] = { .enable_reg = LM3632_REG_BIAS_CONFIG, .enable_mask = LM3632_EN_VNEG_MASK, }, + + /* LM36274 */ + { + .name = "vboost", + .of_match = "vboost", + .id = LM36274_BOOST, + .ops = &lm363x_boost_voltage_table_ops, + .n_voltages = LM36274_BOOST_VSEL_MAX, + .min_uV = LM36274_VOLTAGE_MIN, + .uV_step = LM363X_STEP_50mV, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .vsel_reg = LM36274_REG_VOUT_BOOST, + .vsel_mask = LM36274_VOUT_MASK, + }, + { + .name = "ldo_vpos", + .of_match = "vpos", + .id = LM36274_LDO_POS, + .ops = &lm363x_regulator_voltage_table_ops, + .n_voltages = LM36274_LDO_VSEL_MAX, + .min_uV = LM36274_VOLTAGE_MIN, + .uV_step = LM363X_STEP_50mV, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .vsel_reg = LM36274_REG_VOUT_POS, + .vsel_mask = LM36274_VOUT_MASK, + .enable_reg = LM36274_REG_BIAS_CONFIG_1, + .enable_mask = LM36274_EN_VPOS_MASK, + }, + { + .name = "ldo_vneg", + .of_match = "vneg", + .id = LM36274_LDO_NEG, + .ops = &lm363x_regulator_voltage_table_ops, + .n_voltages = LM36274_LDO_VSEL_MAX, + .min_uV = LM36274_VOLTAGE_MIN, + .uV_step = LM363X_STEP_50mV, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .vsel_reg = LM36274_REG_VOUT_NEG, + .vsel_mask = LM36274_VOUT_MASK, + .enable_reg = LM36274_REG_BIAS_CONFIG_1, + .enable_mask = LM36274_EN_VNEG_MASK, + }, }; static struct gpio_desc *lm363x_regulator_of_get_enable_gpio(struct device *dev, int id) @@ -229,9 +279,11 @@ static struct gpio_desc *lm363x_regulator_of_get_enable_gpio(struct device *dev, */ switch (id) { case LM3632_LDO_POS: + case LM36274_LDO_POS: return gpiod_get_index_optional(dev, "enable", 0, GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE); case LM3632_LDO_NEG: + case LM36274_LDO_NEG: return gpiod_get_index_optional(dev, "enable", 1, GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE); default: -- 2.21.0.5.gaeb582a983