From nobody Thu Nov 14 05:23:32 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 5ADA9C0015E for ; Thu, 3 Aug 2023 07:55:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233961AbjHCHzG (ORCPT ); Thu, 3 Aug 2023 03:55:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232452AbjHCHyA (ORCPT ); Thu, 3 Aug 2023 03:54:00 -0400 Received: from mail-oo1-xc29.google.com (mail-oo1-xc29.google.com [IPv6:2607:f8b0:4864:20::c29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 729C88A6D for ; Thu, 3 Aug 2023 00:43:36 -0700 (PDT) Received: by mail-oo1-xc29.google.com with SMTP id 006d021491bc7-56c884e1d74so425651eaf.0 for ; Thu, 03 Aug 2023 00:43:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1691048593; x=1691653393; 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=+PS0ssiIqsOqxPlpp2oSfbt7ntbtXB4pivkxkQJXtwM=; b=jZNiROXV1Y8OAEvmMlJLmEDbubZTXUi1T2+J6xGMw0OsiLZ15TB0HeZWqjYU46/CPe Teqr2XwZ/lAv6OY3i3Jv9wng9jqRbKm1aJXfstf/p8iTD5zQGvBWlfT7POHUxIzVoNWe 0q/NWoCYElzBGTk+rxrPiwwo8g72n8oUwfl7A= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691048593; x=1691653393; 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=+PS0ssiIqsOqxPlpp2oSfbt7ntbtXB4pivkxkQJXtwM=; b=l/UZ2gvNbsXPGjYiS9qrBvpyFjckMUoExV9QSukTn7DbUkJ0d6ZOYkiQTrF/OghNeo bhR64udW3XN2NcW/MLGOIpZjKchGrECwIEYEw9PXl3EsMlYGYztq6MgW4fmLw+4z84EP j2CAqff/dkrv/KFEBvqXTGpUygeosVi0GNbgtkwm63D95xDl7LTyWCPBmwiRCN03f7ag AYsYgaPihdFIMc5Zlu3DcDHYb4frLwfy7e1XK5wbARPJ6IOBTcp0GRZvGQipmZqRoa5k AuDdLaM1Q864SMS2H5HJJMnG/QHrpQjfCs4e9DSF8ZlwBYPsOR47ve4dMMKLoaeNoDu8 AYWQ== X-Gm-Message-State: ABy/qLb7DCMasI48j3DmxH0wbJzD+VGEpat6KYMxbz5tdGtZ4E0LM8rI XZ+JhxvCVI8L5GoLcnAPrSg7Eg== X-Google-Smtp-Source: APBJJlE6IfyO/d4f2Lyl/G/W5Sw2/2IqJiJ69cq+4LFRNpfCQclGstrDp6B/OrjWe6ZsXFSIcgnCEA== X-Received: by 2002:a05:6870:420d:b0:1bb:e381:e1f1 with SMTP id u13-20020a056870420d00b001bbe381e1f1mr20111422oac.9.1691048593034; Thu, 03 Aug 2023 00:43:13 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:6f3e:66ee:db46:473b]) by smtp.gmail.com with ESMTPSA id l11-20020a17090a72cb00b00262d079720bsm2095753pjk.29.2023.08.03.00.43.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Aug 2023 00:43:12 -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 6/9] regulator: mt6358: Make MT6366 vcn18 LDO configurable Date: Thu, 3 Aug 2023 15:42:44 +0800 Message-ID: <20230803074249.3065586-7-wenst@chromium.org> X-Mailer: git-send-email 2.41.0.585.gd2178a4bd4-goog In-Reply-To: <20230803074249.3065586-1-wenst@chromium.org> References: <20230803074249.3065586-1-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 5a43a84c7a3e..f8cdfa992c23 100644 --- a/drivers/regulator/mt6358-regulator.c +++ b/drivers/regulator/mt6358-regulator.c @@ -324,6 +324,27 @@ 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 ? @@ -558,7 +579,6 @@ 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), @@ -591,6 +611,8 @@ 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 2.41.0.585.gd2178a4bd4-goog