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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 16EDFC4320A for ; Tue, 27 Jul 2021 13:28:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F1FEA61A80 for ; Tue, 27 Jul 2021 13:28:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236771AbhG0N2w (ORCPT ); Tue, 27 Jul 2021 09:28:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:56494 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236943AbhG0NU3 (ORCPT ); Tue, 27 Jul 2021 09:20:29 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 30DAD61ADF; Tue, 27 Jul 2021 13:20:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627392003; bh=tJ1D1zFs0Ylz1KRKABjtoasSqKI0FcM1HowOtKwSuPE=; h=From:To:Cc:Subject:Date:From; b=LWjUNZz3WYqW/qa5Gj8BjAYU2vfqT5sz13uNAPF4oLifqErU8KHGPnEbHjWnPZZk3 Zpw/AlOnDUo7u2fsfNBicAD00IKzd75KOsuMdrC+RRGw8rUPKp0p6XmHN4uqiGgLkL p6Uzr7qyrNVMbxdE6EabCpgSJiXxeYWopEUu8ls09IBKA24cCwGvBFaJ0JgATNwxQ3 ff7Cw/js+JRbNjBR7a3ImInYY3fsZ4Sb8lGjyIiON3AJuC/ElfGepU8RDfZA1a/6/Z heV8CNjrEfSFg5NiOyOUa7HBWlrd5swTIlIVaCScFpO03qG5ToVdFyb+RCmdH1Ro01 s5X8wLImgi/BQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Axel Lin , ChiYuan Huang , Mark Brown , Sasha Levin Subject: [PATCH AUTOSEL 5.4 1/9] regulator: rt5033: Fix n_voltages settings for BUCK and LDO Date: Tue, 27 Jul 2021 09:19:53 -0400 Message-Id: <20210727132002.835130-1-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Axel Lin [ Upstream commit 6549c46af8551b346bcc0b9043f93848319acd5c ] For linear regulators, the n_voltages should be (max - min) / step + 1. Buck voltage from 1v to 3V, per step 100mV, and vout mask is 0x1f. If value is from 20 to 31, the voltage will all be fixed to 3V. And LDO also, just vout range is different from 1.2v to 3v, step is the same. If value is from 18 to 31, the voltage will also be fixed to 3v. Signed-off-by: Axel Lin Reviewed-by: ChiYuan Huang Link: https://lore.kernel.org/r/20210627080418.1718127-1-axel.lin@ingics.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- include/linux/mfd/rt5033-private.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/mfd/rt5033-private.h b/include/linux/mfd/rt5033-private.h index f812105c538c..f2271bfb3273 100644 --- a/include/linux/mfd/rt5033-private.h +++ b/include/linux/mfd/rt5033-private.h @@ -200,13 +200,13 @@ enum rt5033_reg { #define RT5033_REGULATOR_BUCK_VOLTAGE_MIN 1000000U #define RT5033_REGULATOR_BUCK_VOLTAGE_MAX 3000000U #define RT5033_REGULATOR_BUCK_VOLTAGE_STEP 100000U -#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 32 +#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 21 /* RT5033 regulator LDO output voltage uV */ #define RT5033_REGULATOR_LDO_VOLTAGE_MIN 1200000U #define RT5033_REGULATOR_LDO_VOLTAGE_MAX 3000000U #define RT5033_REGULATOR_LDO_VOLTAGE_STEP 100000U -#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 32 +#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 19 /* RT5033 regulator SAFE LDO output voltage uV */ #define RT5033_REGULATOR_SAFE_LDO_VOLTAGE 4900000U -- 2.30.2