From patchwork Tue Sep 19 10:43:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 724465 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D5FD1E511 for ; Tue, 19 Sep 2023 10:47:51 +0000 (UTC) Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41AB9CCE for ; Tue, 19 Sep 2023 03:47:48 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id d9443c01a7336-1bdf4752c3cso39800065ad.2 for ; Tue, 19 Sep 2023 03:47:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695120467; x=1695725267; darn=vger.kernel.org; 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=dgL7bVCmTeXSAUxRJPsWW6VflSxwxTKu8gD+M41yTns=; b=FhvzI2NSK1EAajnK3SXAcuVLKuQ5B8vpp14VRnZPEOmRzKnSsG95ONvPnYDYM9jAAL QHsIeL7xjureJleYDlwJ+U7oY/Jq9WmlUtxUoM2qWgk3AKWwcZYVY5XKgOTgyVh9gXoB WB8lS8jZjNDz4z+SjaQO+tWLpc/iSnw9b2WE0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695120467; x=1695725267; 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=dgL7bVCmTeXSAUxRJPsWW6VflSxwxTKu8gD+M41yTns=; b=pAtXFYQh+kuUN8ZqVVezYZOxaxKTQj5r/9DK9cKh86GUZ6fz+8sbPUW26aMaDRRwUW t0/Kq3bdmCDXFGnBWPxccs7fJwugwwglIJxjbekXLNVUJ/5JdFOYCeWoaDw10fVTRy77 8oqUWrq4x2x1Zu55cM+tfCnL94gBo5Z+OVO3nZO9Cw6IAhoRAnXKrDTuR9jNhSzF3jLA ifKnOtfJqWZHMrQPeledKBXqAh2J+itn/8/6v1CztAgW1tX0my8lnHFxBunaFVljgZUb sQEKJsn66mbqlwNvbHdj77Z5xjswb/e2eoM9Pn8u511ASRQK9I+ad0GUIhF95CFyQ+sc 34LQ== X-Gm-Message-State: AOJu0YzjU01MkbLBFpprzjGkK30HVkr3E0Zx6382M8Co6BcdjtNeurZ0 40dsBg6NedJkeeplczgPOWvArQ== X-Google-Smtp-Source: AGHT+IFplgVxrIR06V2bVySXAOitXyoTokakgA3Y/GdbyCeDXtXSoOdxb5QtMFQuHjFRcC1bH76SvA== X-Received: by 2002:a17:902:db0b:b0:1c4:5c05:c3c9 with SMTP id m11-20020a170902db0b00b001c45c05c3c9mr7490890plx.56.1695120467676; Tue, 19 Sep 2023 03:47:47 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:40a:900d:e731:5a43]) by smtp.gmail.com with ESMTPSA id c10-20020a170902d48a00b001bc445e249asm6719578plg.124.2023.09.19.03.47.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Sep 2023 03:47:47 -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 v3 09/12] regulator: mt6358: Make MT6366 vcn18 LDO configurable Date: Tue, 19 Sep 2023 18:43:52 +0800 Message-ID: <20230919104357.3971512-10-wenst@chromium.org> X-Mailer: git-send-email 2.42.0.459.ge4e396fd5e-goog In-Reply-To: <20230919104357.3971512-1-wenst@chromium.org> References: <20230919104357.3971512-1-wenst@chromium.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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 --- Changes since v2: - Linear range selector values fixed Angelo's reviewed-by was dropped. drivers/regulator/mt6358-regulator.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/mt6358-regulator.c b/drivers/regulator/mt6358-regulator.c index 7122ad43be6e..fdd4710d57d8 100644 --- a/drivers/regulator/mt6358-regulator.c +++ b/drivers/regulator/mt6358-regulator.c @@ -325,6 +325,27 @@ static const struct linear_range vldo28_ranges[] = { REGULATOR_LINEAR_RANGE(3000000, 0, 10, 10000), }; +static const unsigned int mt6366_vcn18_vm18_selectors[] = { + 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[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1400000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1500000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2100000, 0, 10, 10000), +}; + static unsigned int mt6358_map_mode(unsigned int mode) { return mode == MT6397_BUCK_MODE_AUTO ? @@ -553,7 +574,6 @@ static const struct mt6358_regulator_info mt6366_regulators[] = { 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), @@ -586,6 +606,8 @@ static const struct mt6358_regulator_info mt6366_regulators[] = { 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,