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 5788CC4338F for ; Tue, 27 Jul 2021 13:28:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4097161A80 for ; Tue, 27 Jul 2021 13:28:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236631AbhG0N2O (ORCPT ); Tue, 27 Jul 2021 09:28:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:57266 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236970AbhG0NUd (ORCPT ); Tue, 27 Jul 2021 09:20:33 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AF8A661A6E; Tue, 27 Jul 2021 13:20:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627392017; bh=As6bvw8NATi8NkV1UwYAGMDuPYyWxXWl8+Dt7lXldyM=; h=From:To:Cc:Subject:Date:From; b=CEBbXmfi/1SQLD+YeEdZqVtZl1/90k3UKCUXfM4BW7Nm4mjIuCt9MVb9uS4Ow9ICN iQFejrD+jFQKIibVseAsZCAECbezE9rY0gV6xWNq4Gx75LV/mFAgrSdxizVMZd6LqP mXnTihnDoWDiY6F4VBUra99sBSLCDEE0jdUQ/TGVQn3g9Rvuv6TCSUG0zYdQRzSaD4 lSQfDzvZfD8Qgsr/HUFnBIQpxlJpG2jUaAOLTw8ZkDblkO5cdC2xW/F3UoVtYMO6os qk2MqUmL3k5K9rxJ/YYG8I1XdRuepcDddJSUJQs2HDWyWHAWmkztCAoGU02SENyNnz LeTY39qUD320Q== 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 4.19 1/6] regulator: rt5033: Fix n_voltages settings for BUCK and LDO Date: Tue, 27 Jul 2021 09:20:10 -0400 Message-Id: <20210727132015.835651-1-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 1b63fc2f42d1..52d53d134f72 100644 --- a/include/linux/mfd/rt5033-private.h +++ b/include/linux/mfd/rt5033-private.h @@ -203,13 +203,13 @@ 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