From nobody Fri Sep 20 13:30:26 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AB65EE49AB for ; Tue, 22 Aug 2023 08:46:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234012AbjHVIqT (ORCPT ); Tue, 22 Aug 2023 04:46:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233989AbjHVIqG (ORCPT ); Tue, 22 Aug 2023 04:46:06 -0400 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D7AFE6D for ; Tue, 22 Aug 2023 01:45:51 -0700 (PDT) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-68a42d06d02so1350596b3a.0 for ; Tue, 22 Aug 2023 01:45:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1692693950; x=1693298750; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0LwYgNBbWG4PSO0ihWHLk9nZHuEXoxAxRNjJgweYAgo=; b=J+QwwhCGW2PlgVOsRScY8jHu/1OXjqYru7xvZ9s/ADQ+nrzIBUfmTMymsmARfmL+4H AnOM17YVkaTixQaITrtFF8mB4PIQH7vD2wxC9P0Wt/KHqbmc+wkQBbsNkZwTP8AZQI86 Gjr9GSPn7c742h8Sl49vW2v7oDE6df7wU7f0I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692693950; x=1693298750; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0LwYgNBbWG4PSO0ihWHLk9nZHuEXoxAxRNjJgweYAgo=; b=MUELK5ENfXb3wT3gq7A7jWUWL0VFuL2BpbtuksuMyl9JTDqWo+Zaq2Z7ulJh25CCVi gYo7m/BDFVLY7bN6rPJ3QJawx2dOwVBOdav2NQsWD84lSwHqa3ms5zV+pqGpu73pardi 9I713M6iXWyjvDQq8z8zM/YZjL3oSFVl65ZiZPuPhAkUw609Jkkx9cOe2GKsjBqu+oap VUV2BMSmPf/RIy+PWcrLOIc1cylr03CQGgTm1MtaV7tB+pjCD1eIgU3IMHDG0+2ywUdo yqC2RABXPe2JL7gf1a34G+ifZ122h4Y0WqoguWRIr/5QM2MxMrJ9BV3eFrFS57onwapG uOJg== X-Gm-Message-State: AOJu0Ywh3RF0/0QHJ60Z9Y2WLwNTIb0wk1CJvZdCn7P9reuHROMQc+QF GZq770ukXwWbbZ/10OrIcAMLyQ== X-Google-Smtp-Source: AGHT+IFIC8qxSyPLsrbBGKQMJZIOzJn7IR8m1rXKz78wmhnuJtgxM/t0Jtr5jd2AOa6QjktQ1pwRYg== X-Received: by 2002:a05:6a20:6a05:b0:134:d4d3:f0a8 with SMTP id p5-20020a056a206a0500b00134d4d3f0a8mr7998627pzk.3.1692693950531; Tue, 22 Aug 2023 01:45:50 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:e619:3fa0:1a90:6bb0]) by smtp.gmail.com with ESMTPSA id s26-20020aa78d5a000000b00666b012baedsm7304790pfe.158.2023.08.22.01.45.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Aug 2023 01:45:50 -0700 (PDT) From: Chen-Yu Tsai To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Mark Brown Cc: Chen-Yu Tsai , Zhiyong Tao , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 08/11] regulator: mt6358: Make MT6366 vcn18 LDO configurable Date: Tue, 22 Aug 2023 16:45:16 +0800 Message-ID: <20230822084520.564937-9-wenst@chromium.org> X-Mailer: git-send-email 2.42.0.rc1.204.g551eb34607-goog In-Reply-To: <20230822084520.564937-1-wenst@chromium.org> References: <20230822084520.564937-1-wenst@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The VCN18 regulator on the MT6366 (only) actually has a wide configurable range of voltages, even though its name suggests a fixed output voltage. Convert it from a fixed LDO to a configurable LDO. Its range of settings is the same as the VM18 regulator, which is missing and will be added in a subsequent patch. Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno --- drivers/regulator/mt6358-regulator.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/mt6358-regulator.c b/drivers/regulator/mt635= 8-regulator.c index bc7fe2ff189d..587ee852c053 100644 --- a/drivers/regulator/mt6358-regulator.c +++ b/drivers/regulator/mt6358-regulator.c @@ -326,6 +326,27 @@ static const struct linear_range vldo28_ranges[] =3D { REGULATOR_LINEAR_RANGE(3000000, 11, 21, 10000), }; =20 +static const unsigned int mt6366_vcn18_vm18_selectors[] =3D { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; +static const struct linear_range mt6366_vcn18_vm18_ranges[] =3D { + REGULATOR_LINEAR_RANGE(600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(700000, 11, 21, 10000), + REGULATOR_LINEAR_RANGE(800000, 22, 32, 10000), + REGULATOR_LINEAR_RANGE(900000, 33, 43, 10000), + REGULATOR_LINEAR_RANGE(1000000, 44, 54, 10000), + REGULATOR_LINEAR_RANGE(1100000, 55, 65, 10000), + REGULATOR_LINEAR_RANGE(1200000, 66, 76, 10000), + REGULATOR_LINEAR_RANGE(1300000, 77, 87, 10000), + REGULATOR_LINEAR_RANGE(1400000, 88, 98, 10000), + REGULATOR_LINEAR_RANGE(1500000, 99, 109, 10000), + REGULATOR_LINEAR_RANGE(1600000, 110, 120, 10000), + REGULATOR_LINEAR_RANGE(1700000, 121, 131, 10000), + REGULATOR_LINEAR_RANGE(1800000, 132, 142, 10000), + REGULATOR_LINEAR_RANGE(1900000, 143, 153, 10000), + REGULATOR_LINEAR_RANGE(2000000, 154, 164, 10000), + REGULATOR_LINEAR_RANGE(2100000, 165, 175, 10000), +}; + static unsigned int mt6358_map_mode(unsigned int mode) { return mode =3D=3D MT6358_BUCK_MODE_AUTO ? @@ -554,7 +575,6 @@ static const struct mt6358_regulator_info mt6366_regula= tors[] =3D { MT6358_LDO_VRF12_CON0, 0, 1200000), MT6366_REG_FIXED("vio18", VIO18, MT6358_LDO_VIO18_CON0, 0, 1800000), - MT6366_REG_FIXED("vcn18", VCN18, MT6358_LDO_VCN18_CON0, 0, 1800000), MT6366_REG_FIXED("vfe28", VFE28, MT6358_LDO_VFE28_CON0, 0, 2800000), MT6366_REG_FIXED("vcn28", VCN28, MT6358_LDO_VCN28_CON0, 0, 2800000), MT6366_REG_FIXED("vxo22", VXO22, MT6358_LDO_VXO22_CON0, 0, 2200000), @@ -587,6 +607,8 @@ static const struct mt6358_regulator_info mt6366_regula= tors[] =3D { MT6358_LDO_VMC_CON0, 0, MT6358_VMC_ANA_CON0, 0xf00), MT6366_LDO("vsim2", VSIM2, vsim, MT6358_LDO_VSIM2_CON0, 0, MT6358_VSIM2_ANA_CON0, 0xf00), + MT6366_LDO("vcn18", VCN18, mt6366_vcn18_vm18, + MT6358_LDO_VCN18_CON0, 0, MT6358_VCN18_ANA_CON0, 0xf00), MT6366_LDO1("vsram-proc11", VSRAM_PROC11, 500000, 1293750, 6250, MT6358_LDO_VSRAM_PROC11_DBG0, 0x7f00, MT6358_LDO_VSRAM_CON0, 0x7f), MT6366_LDO1("vsram-others", VSRAM_OTHERS, 500000, 1293750, 6250, --=20 2.42.0.rc1.204.g551eb34607-goog