From patchwork Mon Jul 3 18:15:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 13300380 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A67A7C3063F for ; Mon, 3 Jul 2023 18:16:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 75B5A10E221; Mon, 3 Jul 2023 18:16:06 +0000 (UTC) Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0057E10E12E for ; Mon, 3 Jul 2023 18:16:02 +0000 (UTC) Received: by mail-lf1-x12a.google.com with SMTP id 2adb3069b0e04-4f8735ac3e3so7434894e87.2 for ; Mon, 03 Jul 2023 11:16:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688408161; x=1691000161; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=PXHn6Y9ohB66Fq7/rdy4/Qmz5PjvLS1WDR/plz/VYq8=; b=d/qqapgcXdEiKfkb4swP1JWdo2/TxD6rqTvyzR5ljPkPl4nN0/wAYUdtmPa983+GRa J8jPnnVSij6wHzaxugl2bmiaIefpqJoTNtDHPux1FlmaFO72wpGbRk8oDTusgtqhwdG6 zJ19u2o6rMowAgQt6A8KTYB46HaHBrkqK7ibmSiF2MD3dkOT4jgkKlcAfdfR1Y5cvDWo isIaiantfFEDK8ibuzPzJ1N+6zPEdfthUolbPvjiVF3JBWYNphk8ATU7dYNSSLsPp6pZ yMXVpJiCEsnSGP0njkrKvDAVI8FB4waM1lG5zP5ZDPuSDs+l+x7+0TnMO2ENKA5MoaWi GKaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688408161; x=1691000161; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PXHn6Y9ohB66Fq7/rdy4/Qmz5PjvLS1WDR/plz/VYq8=; b=DLGQ+lvhvbiOgc8UObh4jahrFk+P5HQBCHzbcoRYEzIAW/Q9ltI8/wx89QcPZ8Cq89 UAxbOi9aiK9Pd3jjh939+KSvVbo2gUjoXyRWtHvzyeki4+J5yAn6BeADBacZNzg5NJo/ QZRUQuApCeqvJai7QVvZMwQKW0f9+W8qM/1qc4ApZfw1blQ/9/jcI4TmEc9DK6RqiTln 2CIwQAuuCXpdWQ8WoD7unCrLVaRN/xoTSqYWTBQLQSPG7EcK150uCGCa65tSTgQjoXjn C8w/CESl3pDp5nprs2TzjiE9P8LNAzTfDsBqOqjC3oA5aW3kAi3vfPfqBWg4sw5wo/I2 DV7w== X-Gm-Message-State: ABy/qLZsltmc/uc3uMwY3/0lzAWOpbhupsupokoEMeHG0Jdc9PzOyRjD q1fGGVM/5BBxlqVSdZV97fqQVw== X-Google-Smtp-Source: APBJJlGRZgPFbzMJAuoctz2DN10n3xkec3jfPHQ7vZZg6q8rPgnEKQoHwr6CfM33Y9/USAVcerQxDA== X-Received: by 2002:a19:2d45:0:b0:4fb:b11:c99d with SMTP id t5-20020a192d45000000b004fb0b11c99dmr6933824lft.57.1688408161007; Mon, 03 Jul 2023 11:16:01 -0700 (PDT) Received: from [192.168.1.101] (abyj26.neoplus.adsl.tpnet.pl. [83.9.29.26]) by smtp.gmail.com with ESMTPSA id a6-20020a056512390600b004f1383d57ecsm4633034lfu.202.2023.07.03.11.15.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 11:16:00 -0700 (PDT) From: Konrad Dybcio Date: Mon, 03 Jul 2023 20:15:54 +0200 Subject: [PATCH v3 1/4] dt-bindings: regulator: Describe Qualcomm REFGEN regulator MIME-Version: 1.0 Message-Id: <20230628-topic-refgen-v3-1-9fbf0e605d23@linaro.org> References: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> In-Reply-To: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> To: Andy Gross , Bjorn Andersson , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Krishna Manikandan X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1688408157; l=2256; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=Dw17w0X3yguWSuWVzgIdOAGrOkzUUOLcbRD0QrQwKtw=; b=IrxxxLa3w8rmQOS7sMn5V5HbFSk5R9ykL6JtPxJ819bCV6NnhQmyAH3pqbHYHtDjq1f2N+JDO C5CF8L8DzhUAIQoKCAdT9zJTQOevM+mIRm2Jch7pEq4yNq2V2nyoMMR X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Konrad Dybcio , Marijn Suijten , freedreno@lists.freedesktop.org, Konrad Dybcio Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Modern Qualcomm SoCs have a REFGEN (reference voltage generator) regulator, providing reference voltage to on-chip IP, like PHYs. It's controlled through MMIO and we can toggle it or read its state back. Describe it. Signed-off-by: Konrad Dybcio Reviewed-by: Rob Herring --- .../regulator/qcom,sdm845-refgen-regulator.yaml | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml new file mode 100644 index 000000000000..f02f97d4fdd2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/qcom,sdm845-refgen-regulator.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/qcom,sdm845-refgen-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. REFGEN Regulator + +maintainers: + - Konrad Dybcio + +description: + The REFGEN (reference voltage generator) regulator provides reference + voltage for on-chip IPs (like PHYs) on some Qualcomm SoCs. + +allOf: + - $ref: regulator.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - qcom,sc7180-refgen-regulator + - qcom,sc8180x-refgen-regulator + - qcom,sm8150-refgen-regulator + - const: qcom,sdm845-refgen-regulator + + - items: + - enum: + - qcom,sc7280-refgen-regulator + - qcom,sc8280xp-refgen-regulator + - qcom,sm6350-refgen-regulator + - qcom,sm6375-refgen-regulator + - qcom,sm8350-refgen-regulator + - const: qcom,sm8250-refgen-regulator + + - enum: + - qcom,sdm845-refgen-regulator + - qcom,sm8250-refgen-regulator + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + regulator@162f000 { + compatible = "qcom,sm8250-refgen-regulator"; + reg = <0x0162f000 0x84>; + }; +... From patchwork Mon Jul 3 18:15:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 13300381 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 878ACC30659 for ; Mon, 3 Jul 2023 18:16:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 05F2E10E229; Mon, 3 Jul 2023 18:16:07 +0000 (UTC) Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 96E1510E12E for ; Mon, 3 Jul 2023 18:16:04 +0000 (UTC) Received: by mail-lf1-x131.google.com with SMTP id 2adb3069b0e04-4fb94b1423eso7147258e87.1 for ; Mon, 03 Jul 2023 11:16:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688408163; x=1691000163; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=yppVVJZsVALQlxVkrk6bRQIocnUZEUf5eYssW3dPax0=; b=PZv50YTxGjUL+H8+y3K2oF7zo66LmTqSJu6hiAKLFiYHUK/rL8dgCegUsRvZSU6aZb 7qPQYy1VJHO+iUZbH3AhD2efLKXlY3TW0iwQplS9vcHTJnHvW+Z8R64jCiA5F61vz9G1 WhmEqa0kSXyY8hUjHPmZ77CKRVrnuw5YgdvgfrUeh1yhlDZmKedhCpAaN1hrZTu+Pz8p KEfS88zX7NkBBNjaAbtesgpC1SS/lbLrH+P5wY/Y2yfj521/HO6XjKRExquhBZCM6Ccl Hicz3L0FY4NDGHKt4H1fM7Wk0OGiS1cDuZIrqCkVPh3+ON72N9g0vqXIKteKPJGbZ3lp 419w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688408163; x=1691000163; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=yppVVJZsVALQlxVkrk6bRQIocnUZEUf5eYssW3dPax0=; b=hURQCxhgVlHV9P1t5DL1IBtf8yie7z71ChoT10mXKpVkUYhg5zciBjmJtK7fPqTaWt 3B6hW/XlJdAYvjlnHL2fEimq0hMgOlCQdqoTqaftz2rRh+ZVRnv9pYVW5TzMguNpE/Qd b6Gk0UEWLOgMBWcazLbM2T5lWxtOgIGwvB1hV/jdFgINFgOGE4jHHiuk8yQlmwROFGCb mdnh3Gax5C5jdlYuLlGT+zje6E+s/zlwdB9Mp9FnAWYa1sgPKxtp9HO2tIfhCs/xv7HO XmpCZ1La6pxBfj73hgzWrzgpA5CDQn4qNcYkcoheJKjdy0OMgnNzhx+/n/ZZQxD1vHpJ Db6A== X-Gm-Message-State: ABy/qLZYRBP+N82bqAsXesJs/hTBjCV2gpisCj2vpyhWKoFcztFevVVP bnhgK853FbllvSQgAEdL61rmdQ== X-Google-Smtp-Source: APBJJlGJYrTrFXurxhsL9mUzOD78TanI0VM1Nsoofsh7pHoqjHCkKu+3IWV6L4IPZRhS/K+gEjXUPQ== X-Received: by 2002:a05:6512:5c4:b0:4fb:8965:7882 with SMTP id o4-20020a05651205c400b004fb89657882mr6183156lfo.35.1688408162717; Mon, 03 Jul 2023 11:16:02 -0700 (PDT) Received: from [192.168.1.101] (abyj26.neoplus.adsl.tpnet.pl. [83.9.29.26]) by smtp.gmail.com with ESMTPSA id a6-20020a056512390600b004f1383d57ecsm4633034lfu.202.2023.07.03.11.16.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 11:16:02 -0700 (PDT) From: Konrad Dybcio Date: Mon, 03 Jul 2023 20:15:55 +0200 Subject: [PATCH v3 2/4] regulator: Introduce Qualcomm REFGEN regulator driver MIME-Version: 1.0 Message-Id: <20230628-topic-refgen-v3-2-9fbf0e605d23@linaro.org> References: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> In-Reply-To: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> To: Andy Gross , Bjorn Andersson , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Krishna Manikandan X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1688408157; l=6762; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=pjLeGl5c7AIRN3onIFXcWrE2ZGIUzY+F26Ci1naF9rY=; b=zyzA+EFWkLUHUvbbwQvhdFMSA9gTAsia8dHBonOdb/FkF5+cpeQWP/+rvMtK/O/Rwchn9ojGB RZnwKZYj4I9D0L95uHNsaybSP8e+Ji6wBDU4NWE0b6GCoi+t9PlS/hP X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Konrad Dybcio , Marijn Suijten , freedreno@lists.freedesktop.org, Konrad Dybcio Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Modern Qualcomm SoCs have a REFGEN (reference voltage generator) regulator, providing reference voltage to on-chip IP, like PHYs. Add a driver to support toggling that regulator. Signed-off-by: Konrad Dybcio --- drivers/regulator/Kconfig | 11 +++ drivers/regulator/Makefile | 1 + drivers/regulator/qcom-refgen-regulator.c | 154 ++++++++++++++++++++++++++++++ 3 files changed, 166 insertions(+) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 823f8e6e4801..18a05b09406f 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -989,6 +989,17 @@ config REGULATOR_PWM This driver supports PWM controlled voltage regulators. PWM duty cycle can increase or decrease the voltage. +config REGULATOR_QCOM_REFGEN + tristate "Qualcomm REFGEN regulator driver" + depends on HAS_IOMEM + depends on REGMAP + help + This driver supports the MMIO-mapped reference voltage regulator, + used internally by some PHYs on many Qualcomm SoCs. + + Say M here if you want to include support for this regulator as + a module. The module will be named "qcom-refgen-regulator". + config REGULATOR_QCOM_RPM tristate "Qualcomm RPM regulator driver" depends on MFD_QCOM_RPM diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 15e0d614ff66..4f4589877e81 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -108,6 +108,7 @@ obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o obj-$(CONFIG_REGULATOR_MTK_DVFSRC) += mtk-dvfsrc-regulator.o obj-$(CONFIG_REGULATOR_QCOM_LABIBB) += qcom-labibb-regulator.o +obj-$(CONFIG_REGULATOR_QCOM_REFGEN) += qcom-refgen-regulator.o obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o obj-$(CONFIG_REGULATOR_QCOM_RPMH) += qcom-rpmh-regulator.o obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o diff --git a/drivers/regulator/qcom-refgen-regulator.c b/drivers/regulator/qcom-refgen-regulator.c new file mode 100644 index 000000000000..656fe330d38f --- /dev/null +++ b/drivers/regulator/qcom-refgen-regulator.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2017, 2019-2020, The Linux Foundation. All rights reserved. +// Copyright (c) 2023, Linaro Limited + +#include +#include +#include +#include +#include +#include +#include +#include + +#define REFGEN_REG_BIAS_EN 0x08 +#define REFGEN_BIAS_EN_MASK GENMASK(2, 0) + #define REFGEN_BIAS_EN_ENABLE 0x7 + #define REFGEN_BIAS_EN_DISABLE 0x6 + +#define REFGEN_REG_BG_CTRL 0x14 +#define REFGEN_BG_CTRL_MASK GENMASK(2, 1) + #define REFGEN_BG_CTRL_ENABLE 0x3 + #define REFGEN_BG_CTRL_DISABLE 0x2 + +#define REFGEN_REG_PWRDWN_CTRL5 0x80 +#define REFGEN_PWRDWN_CTRL5_MASK BIT(0) + #define REFGEN_PWRDWN_CTRL5_ENABLE 0x1 + +static int qcom_sdm845_refgen_enable(struct regulator_dev *rdev) +{ + regmap_update_bits(rdev->regmap, REFGEN_REG_BG_CTRL, REFGEN_BG_CTRL_MASK, + FIELD_PREP(REFGEN_BG_CTRL_MASK, REFGEN_BG_CTRL_ENABLE)); + + regmap_write(rdev->regmap, REFGEN_REG_BIAS_EN, + FIELD_PREP(REFGEN_BIAS_EN_MASK, REFGEN_BIAS_EN_ENABLE)); + + return 0; +} + +static int qcom_sdm845_refgen_disable(struct regulator_dev *rdev) +{ + regmap_write(rdev->regmap, REFGEN_REG_BIAS_EN, + FIELD_PREP(REFGEN_BIAS_EN_MASK, REFGEN_BIAS_EN_DISABLE)); + + regmap_update_bits(rdev->regmap, REFGEN_REG_BG_CTRL, REFGEN_BG_CTRL_MASK, + FIELD_PREP(REFGEN_BG_CTRL_MASK, REFGEN_BG_CTRL_DISABLE)); + + return 0; +} + +static int qcom_sdm845_refgen_is_enabled(struct regulator_dev *rdev) +{ + u32 val; + + regmap_read(rdev->regmap, REFGEN_REG_BG_CTRL, &val); + if (FIELD_GET(REFGEN_BG_CTRL_MASK, val) != REFGEN_BG_CTRL_ENABLE) + return 0; + + regmap_read(rdev->regmap, REFGEN_REG_BIAS_EN, &val); + if (FIELD_GET(REFGEN_BIAS_EN_MASK, val) != REFGEN_BIAS_EN_ENABLE) + return 0; + + return 1; +} + +static struct regulator_desc sdm845_refgen_desc = { + .enable_time = 5, + .name = "refgen", + .owner = THIS_MODULE, + .type = REGULATOR_VOLTAGE, + .ops = &(const struct regulator_ops) { + .enable = qcom_sdm845_refgen_enable, + .disable = qcom_sdm845_refgen_disable, + .is_enabled = qcom_sdm845_refgen_is_enabled, + }, +}; + +static struct regulator_desc sm8250_refgen_desc = { + .enable_reg = REFGEN_REG_PWRDWN_CTRL5, + .enable_mask = REFGEN_PWRDWN_CTRL5_MASK, + .enable_val = REFGEN_PWRDWN_CTRL5_ENABLE, + .disable_val = 0, + .enable_time = 5, + .name = "refgen", + .owner = THIS_MODULE, + .type = REGULATOR_VOLTAGE, + .ops = &(const struct regulator_ops) { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + }, +}; + +static const struct regmap_config qcom_refgen_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .fast_io = true, +}; + +static int qcom_refgen_probe(struct platform_device *pdev) +{ + struct regulator_init_data *init_data; + struct regulator_config config = {}; + const struct regulator_desc *rdesc; + struct device *dev = &pdev->dev; + struct regulator_dev *rdev; + struct regmap *regmap; + void __iomem *base; + + rdesc = of_device_get_match_data(dev); + if (!rdesc) + return -ENODATA; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + regmap = devm_regmap_init_mmio(dev, base, &qcom_refgen_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + init_data = of_get_regulator_init_data(dev, dev->of_node, rdesc); + if (!init_data) + return -ENOMEM; + + config.dev = dev; + config.init_data = init_data; + config.of_node = dev->of_node; + config.regmap = regmap; + + rdev = devm_regulator_register(dev, rdesc, &config); + if (IS_ERR(rdev)) + return PTR_ERR(rdev); + + return 0; +} + +static const struct of_device_id qcom_refgen_match_table[] = { + { .compatible = "qcom,sdm845-refgen-regulator", .data = &sdm845_refgen_desc }, + { .compatible = "qcom,sm8250-refgen-regulator", .data = &sm8250_refgen_desc }, + { } +}; + +static struct platform_driver qcom_refgen_driver = { + .probe = qcom_refgen_probe, + .driver = { + .name = "qcom-refgen-regulator", + .of_match_table = qcom_refgen_match_table, + }, +}; +module_platform_driver(qcom_refgen_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Qualcomm REFGEN regulator driver"); From patchwork Mon Jul 3 18:15:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 13300382 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BCEF3C30654 for ; 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[83.9.29.26]) by smtp.gmail.com with ESMTPSA id a6-20020a056512390600b004f1383d57ecsm4633034lfu.202.2023.07.03.11.16.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 11:16:04 -0700 (PDT) From: Konrad Dybcio Date: Mon, 03 Jul 2023 20:15:56 +0200 Subject: [PATCH v3 3/4] dt-bindings: display/msm: dsi-controller-main: Allow refgen-supply MIME-Version: 1.0 Message-Id: <20230628-topic-refgen-v3-3-9fbf0e605d23@linaro.org> References: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> In-Reply-To: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> To: Andy Gross , Bjorn Andersson , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Krishna Manikandan X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1688408157; l=960; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=UEARP/nzfff11sHWpuDiJ7VAKYi5TYY87h31tjxPZWc=; b=2TMqshCBAOBb1jGz8NS6X0REmrqcs64ytZcs8i+mMynKuIQDOWTOhDG/OmtTBPmumuHXIAZkK nMkhkBhtndwBN90jKKlwxo8uAZAwxLRYbbcbgtS0ZfB+daC1S74bqu3 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Konrad Dybcio , Marijn Suijten , freedreno@lists.freedesktop.org, Konrad Dybcio Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" DSI host needs REFGEN to be enabled (if it's present on a given platform). Allow consuming it. Acked-by: Rob Herring Signed-off-by: Konrad Dybcio --- .../devicetree/bindings/display/msm/dsi-controller-main.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml index 01848bdd5873..76270992305a 100644 --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml @@ -166,6 +166,10 @@ properties: description: Phandle to vdd regulator device node + refgen-supply: + description: + Phandle to REFGEN regulator device node + vcca-supply: description: Phandle to vdd regulator device node From patchwork Mon Jul 3 18:15:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 13300383 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B5CCCC001B0 for ; Mon, 3 Jul 2023 18:16:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7941F10E22D; Mon, 3 Jul 2023 18:16:10 +0000 (UTC) Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) by gabe.freedesktop.org (Postfix) with ESMTPS id 65B6510E227 for ; Mon, 3 Jul 2023 18:16:08 +0000 (UTC) Received: by mail-lf1-x12f.google.com with SMTP id 2adb3069b0e04-4faaaa476a9so7588628e87.2 for ; Mon, 03 Jul 2023 11:16:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688408166; x=1691000166; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=SEhHQ8qdRfQQVMmnLHDVdeTjikaeU7SDTha8pASydDI=; b=M3MZVSSvTVZWcSpRhaGpO/4ZkPSOJadnFRhiAWsh68RYeasKrMbEh/oT0RYk3GLYFo k4jwahArOJYgAvQtne7W5fHuj3trxl49qv26FrFAJPDMKnjMa4Hwf1KfrF9RA7dSb306 CJxseFXY8lFhRYqn+UhQewllXgn+Ya667F39GD+h//21/3/m9D+GK4CmpZZMtlq3ifTB xu/JJOFXym4Bl3Iy/vnGUSrBd0nM8RWNEGhKDr5xS6CpaOrQTL/r//7ljBrUlwnnkICc rrtEWp8QlX/wSerFxkpNnk1VKPfJVb2Ac/79UNgYBOFvt8bQOCu7wizgPkbl0ydDXUeK 6/8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688408166; x=1691000166; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=SEhHQ8qdRfQQVMmnLHDVdeTjikaeU7SDTha8pASydDI=; b=eFpV9NrzRf41NllHnBUae0TRM8tM+GKh4OLQidNfGc/xsKEMeGOrHcvQjvIdr0tSPd 2RbxzJjNz57li9+eU3WDCJZBMzmJnWQ+2OrBIEWEUmQ9ks6RVQhFhCyQy29Jw4Xnt+FL bLU85ja31431o3Jg0MfpVXXHqfFM5dQs3sLbmUEnJOCBG+IpTuXACswzWsbMnbKpvMzn sF1LKU6NQCJuPZR6GcyOmOokMQHSVNekCgOmrPe19dCqOxhAQhIA2CAnk164rO9ywGWJ ndVQCEp8o1GdEaiCBog744KzK6K66cZ083pPdACpQzWbM00mIW7y2+DiO0mGvYIdjXUl 0GRQ== X-Gm-Message-State: ABy/qLZTXjh2Gfntx9SE4dc4JG0gZYXejhTgbBGpFOrqe+uKHwrmjuNo Btu1FKq+wPWzClbpprhDG3WBJQ== X-Google-Smtp-Source: APBJJlEc4yAktwF7x6gCgekN3+ccCPA50qDBBrH0d+jVm7hR7Bx9KgDlzmfylQS/QgSsNDm8guAWzg== X-Received: by 2002:a05:6512:360a:b0:4f7:55e4:4665 with SMTP id f10-20020a056512360a00b004f755e44665mr6488178lfs.56.1688408166353; Mon, 03 Jul 2023 11:16:06 -0700 (PDT) Received: from [192.168.1.101] (abyj26.neoplus.adsl.tpnet.pl. [83.9.29.26]) by smtp.gmail.com with ESMTPSA id a6-20020a056512390600b004f1383d57ecsm4633034lfu.202.2023.07.03.11.16.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 11:16:06 -0700 (PDT) From: Konrad Dybcio Date: Mon, 03 Jul 2023 20:15:57 +0200 Subject: [PATCH v3 4/4] drm/msm/dsi: Hook up refgen regulator MIME-Version: 1.0 Message-Id: <20230628-topic-refgen-v3-4-9fbf0e605d23@linaro.org> References: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> In-Reply-To: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> To: Andy Gross , Bjorn Andersson , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Krishna Manikandan X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1688408157; l=1019; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=bdVFkIHME+ksW97iOZJH0yeZoPTsVUfCpblAjJVbJjI=; b=76+Fxu9Mkj2j91rvxqGFAjIS4lnVHjZtvgXD8BN606qTh2MlXXDVLXeY449B7FkmiVfjfKJUE 3PeNBebhJ/3A+sotF6ET4cY+H5e2VvFD/K9b8XQzRdZcHcZMxrMZwBW X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Konrad Dybcio , Marijn Suijten , freedreno@lists.freedesktop.org, Konrad Dybcio Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Consume the refgen supply on configurations that may use it. Signed-off-by: Konrad Dybcio --- drivers/gpu/drm/msm/dsi/dsi_cfg.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c index 8a5fb6df7210..1f98ff74ceb0 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c @@ -160,6 +160,7 @@ static const char * const dsi_v2_4_clk_names[] = { static const struct regulator_bulk_data dsi_v2_4_regulators[] = { { .supply = "vdda", .init_load_uA = 21800 }, /* 1.2 V */ + { .supply = "refgen" }, }; static const struct msm_dsi_config sdm845_dsi_cfg = { @@ -191,6 +192,7 @@ static const struct msm_dsi_config sm8550_dsi_cfg = { static const struct regulator_bulk_data sc7280_dsi_regulators[] = { { .supply = "vdda", .init_load_uA = 8350 }, /* 1.2 V */ + { .supply = "refgen" }, }; static const struct msm_dsi_config sc7280_dsi_cfg = {