From patchwork Wed Apr 14 08:38:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 421323 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 7F6A6C433B4 for ; Wed, 14 Apr 2021 08:40:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6307E613C3 for ; Wed, 14 Apr 2021 08:40:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231534AbhDNIkm (ORCPT ); Wed, 14 Apr 2021 04:40:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350171AbhDNIii (ORCPT ); Wed, 14 Apr 2021 04:38:38 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 969C3C06138C for ; Wed, 14 Apr 2021 01:38:17 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id k23-20020a17090a5917b02901043e35ad4aso12110039pji.3 for ; Wed, 14 Apr 2021 01:38:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Ezz+xwgw5OBNct98QIx3DrKz2g6nfTcGTggPHQsngzE=; b=Ito0EltF+9vj1JZ0itn4wHDduIsj82wFlkijhJ473gRwah9kPfMXJch0BSRlvIdhyn pj8iWHtqT48eWeFYt2pQDiAatkPrs//ZxNDkGT9dqB7nSvXAgUp0DmBIcfJCpdWZkj/B FGxrZQJ9CssBc6LHqXqKp3GOfy3z+54bTughc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Ezz+xwgw5OBNct98QIx3DrKz2g6nfTcGTggPHQsngzE=; b=ePSQVTYk/ktdwU2P0xgvrDcuU0/+ZbSGT+d74cTl0DlWRupcJe4cLBD2jBNdW4SPkL lOmdVXXUh4X++vntEoOv9+eDb4NRIJUjdAUcEvTF+KLOKzo0jJUbydpp3j0DVTv1sCVQ QrC+tUUi++utFCvZaJ2Ebt1j8aU9W5jg1ACGbTJWUOrQ4B+vw5PfiSowbfjAnhoKvDHs TrOHb3PdbrwWchLvr8XjpxLYCLz+ukIaSKRareyP/lLwoTpxB7DI/nOP/qRZUBS0rGzX LLb3pW1Cxxu0E4f9PUeqklQ49Ea3fFt8jFoxT6GP/WZuhBGMPHlEpfotZ7UcRG9h7Zib i6LQ== X-Gm-Message-State: AOAM530J9kHyq/Pomi5TjDMblCeAaDwNvZpD1ec6FchTiJRjWVgku2SZ cPIV+7WXKELCHZjS3mT6pllclA== X-Google-Smtp-Source: ABdhPJzZiW1LgUpXYMVuVSaK0KuyiPuiSCGbCq87z1kiOxJGNUaHevQBBBoUn64xP5SgewFqJULu9g== X-Received: by 2002:a17:902:e889:b029:e6:4c9:ef02 with SMTP id w9-20020a170902e889b02900e604c9ef02mr36828734plg.1.1618389497105; Wed, 14 Apr 2021 01:38:17 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:bae3:4af0:9792:1539]) by smtp.gmail.com with ESMTPSA id g24sm8901582pfh.164.2021.04.14.01.38.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Apr 2021 01:38:16 -0700 (PDT) From: Hsin-Yi Wang To: Wolfram Sang , Matthias Brugger , Rob Herring , Bartosz Golaszewski Cc: linux-i2c@vger.kernel.org, Qii Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Mark Brown , Marek Szyprowski , Bibby Hsieh , Arnd Bergmann Subject: [PATCH v18 1/5] i2c: core: support bus regulator controlling in adapter Date: Wed, 14 Apr 2021 16:38:05 +0800 Message-Id: <20210414083809.1932133-2-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog In-Reply-To: <20210414083809.1932133-1-hsinyi@chromium.org> References: <20210414083809.1932133-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Bibby Hsieh Although in the most platforms, the bus power of i2c are alway on, some platforms disable the i2c bus power in order to meet low power request. We can control bulk regulator if it is provided in i2c adapter device. Signed-off-by: Bibby Hsieh Signed-off-by: Marek Szyprowski Signed-off-by: Hsin-Yi Wang --- drivers/i2c/i2c-core-base.c | 88 +++++++++++++++++++++++++++++++++++++ include/linux/i2c.h | 2 + 2 files changed, 90 insertions(+) diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 24c8f11bac73..c34920f30c5a 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -461,12 +461,14 @@ static int i2c_smbus_host_notify_to_irq(const struct i2c_client *client) static int i2c_device_probe(struct device *dev) { struct i2c_client *client = i2c_verify_client(dev); + struct i2c_adapter *adap; struct i2c_driver *driver; int status; if (!client) return 0; + adap = client->adapter; client->irq = client->init_irq; if (!client->irq) { @@ -532,6 +534,14 @@ static int i2c_device_probe(struct device *dev) dev_dbg(dev, "probe\n"); + if (adap->bus_regulator) { + status = regulator_enable(adap->bus_regulator); + if (status < 0) { + dev_err(&adap->dev, "Failed to enable bus regulator\n"); + goto err_clear_wakeup_irq; + } + } + status = of_clk_set_defaults(dev->of_node, false); if (status < 0) goto err_clear_wakeup_irq; @@ -589,8 +599,10 @@ static int i2c_device_probe(struct device *dev) static int i2c_device_remove(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct i2c_adapter *adap; struct i2c_driver *driver; + adap = client->adapter; driver = to_i2c_driver(dev->driver); if (driver->remove) { int status; @@ -605,6 +617,8 @@ static int i2c_device_remove(struct device *dev) devres_release_group(&client->dev, client->devres_group_id); dev_pm_domain_detach(&client->dev, true); + if (!pm_runtime_status_suspended(&client->dev) && adap->bus_regulator) + regulator_disable(adap->bus_regulator); dev_pm_clear_wake_irq(&client->dev); device_init_wakeup(&client->dev, false); @@ -617,6 +631,79 @@ static int i2c_device_remove(struct device *dev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int i2c_resume_early(struct device *dev) +{ + struct i2c_client *client = i2c_verify_client(dev); + int err; + + if (!client || !client->adapter->bus_regulator) + return 0; + + if (!pm_runtime_status_suspended(&client->dev)) { + err = regulator_enable(client->adapter->bus_regulator); + if (err) + return err; + } + + return pm_generic_resume_early(&client->dev); +} + +static int i2c_suspend_late(struct device *dev) +{ + struct i2c_client *client = i2c_verify_client(dev); + int err; + + if (!client || !client->adapter->bus_regulator) + return 0; + + err = pm_generic_suspend_late(&client->dev); + if (err) + return err; + + if (!pm_runtime_status_suspended(&client->dev)) + return regulator_disable(client->adapter->bus_regulator); + + return 0; +} +#endif + +#ifdef CONFIG_PM +static int i2c_runtime_resume(struct device *dev) +{ + struct i2c_client *client = i2c_verify_client(dev); + int err; + + if (!client || !client->adapter->bus_regulator) + return 0; + + err = regulator_enable(client->adapter->bus_regulator); + if (err) + return err; + return pm_generic_runtime_resume(&client->dev); +} + +static int i2c_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = i2c_verify_client(dev); + int err; + + if (!client || !client->adapter->bus_regulator) + return 0; + + err = pm_generic_runtime_suspend(&client->dev); + if (err) + return err; + + return regulator_disable(client->adapter->bus_regulator); +} +#endif + +static const struct dev_pm_ops i2c_device_pm = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(i2c_suspend_late, i2c_resume_early) + SET_RUNTIME_PM_OPS(i2c_runtime_suspend, i2c_runtime_resume, NULL) +}; + static void i2c_device_shutdown(struct device *dev) { struct i2c_client *client = i2c_verify_client(dev); @@ -674,6 +761,7 @@ struct bus_type i2c_bus_type = { .probe = i2c_device_probe, .remove = i2c_device_remove, .shutdown = i2c_device_shutdown, + .pm = &i2c_device_pm, }; EXPORT_SYMBOL_GPL(i2c_bus_type); diff --git a/include/linux/i2c.h b/include/linux/i2c.h index e8f2ac8c9c3d..953a4eecb88f 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -15,6 +15,7 @@ #include /* for struct device */ #include /* for completion */ #include +#include #include #include /* for Host Notify IRQ */ #include /* for struct device_node */ @@ -729,6 +730,7 @@ struct i2c_adapter { const struct i2c_adapter_quirks *quirks; struct irq_domain *host_notify_domain; + struct regulator *bus_regulator; }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) From patchwork Wed Apr 14 08:38:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 421322 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 862FFC43616 for ; Wed, 14 Apr 2021 08:40:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 699FE613C4 for ; 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Wed, 14 Apr 2021 01:38:22 -0700 (PDT) From: Hsin-Yi Wang To: Wolfram Sang , Matthias Brugger , Rob Herring , Bartosz Golaszewski Cc: linux-i2c@vger.kernel.org, Qii Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Mark Brown , Marek Szyprowski , Bibby Hsieh , Arnd Bergmann Subject: [PATCH v18 3/5] i2c: mediatek: mt65xx: add optional vbus-supply Date: Wed, 14 Apr 2021 16:38:07 +0800 Message-Id: <20210414083809.1932133-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog In-Reply-To: <20210414083809.1932133-1-hsinyi@chromium.org> References: <20210414083809.1932133-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add vbus-supply which provides power to SCL/SDA. Pass this regulator into core so it can be turned on/off for low power mode support. Signed-off-by: Hsin-Yi Wang --- drivers/i2c/busses/i2c-mt65xx.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 2ffd2f354d0a..82f2b6716005 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -1215,6 +1215,13 @@ static int mtk_i2c_probe(struct platform_device *pdev) i2c->adap.quirks = i2c->dev_comp->quirks; i2c->adap.timeout = 2 * HZ; i2c->adap.retries = 1; + i2c->adap.bus_regulator = devm_regulator_get_optional(&pdev->dev, "vbus"); + if (IS_ERR(i2c->adap.bus_regulator)) { + if (PTR_ERR(i2c->adap.bus_regulator) == -ENODEV) + i2c->adap.bus_regulator = NULL; + else + return PTR_ERR(i2c->adap.bus_regulator); + } ret = mtk_i2c_parse_dt(pdev->dev.of_node, i2c); if (ret) From patchwork Wed Apr 14 08:38:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 421321 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 C1FB0C43462 for ; Wed, 14 Apr 2021 08:40:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FDFD613C0 for ; Wed, 14 Apr 2021 08:40:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350236AbhDNIkq (ORCPT ); Wed, 14 Apr 2021 04:40:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350241AbhDNIje (ORCPT ); Wed, 14 Apr 2021 04:39:34 -0400 Received: from mail-pf1-x42d.google.com (mail-pf1-x42d.google.com [IPv6:2607:f8b0:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50159C061350 for ; Wed, 14 Apr 2021 01:38:28 -0700 (PDT) Received: by mail-pf1-x42d.google.com with SMTP id c17so13259203pfn.6 for ; Wed, 14 Apr 2021 01:38:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=SDiflsGvBCYCoVMBt0Fyo3zuZR1BmIQO6zXHXOu40Mw=; b=dHicorp99OgGYzZtDEhGPP14NXcmgNSFB7Mn9d/JE9VuRhG3WEeyTRH+9WHAtBXtIt 2b8tEJzbaOIhB31U0t5l4R12SrNzFBqxeFqFhyKAqht1YEWLa2c1o8vLDyx0spo9LUvd Z4tI/rFuOgd5MX9mGBPO87LQS1vO3o5PcodAU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=SDiflsGvBCYCoVMBt0Fyo3zuZR1BmIQO6zXHXOu40Mw=; b=PN6DZ6Z6jwj9IJ3IKLjMrCqBRxMIr/cqAQL1EwfU2MEbv1rrWJZcBwWDs6W3dqFnbS OXxeiSkTZju7ndLIXzjoSgEeu2s9DO9fcOAhmxwQ3wUMPWVaPqFYQydJSE1dZ6C/nLT6 CSgvILs6HWOVfUC+9eprxrqtkvGd1Mj092Wy9pz094p2l9OOttCkaEDmIqChBO5G8rXR oVKBs2PQZbUodsSg3c91wBYq5nLez3AgUVgDZlGVIQP2GFo99jyhOGg4vL6p9IWnbi9o ziyOEBACHf1SLHR8bO0y+FHq58z75AdFG5u9zK1XJVOtnCl4fikVDJqYDujN+kb1Iofc 1+/Q== X-Gm-Message-State: AOAM533u4j29Bfz50N9lKlMNcxo5Tom6MC6bQcJu6+8NTbx0fgEFlWOt tCJfNxsZjNjTMaJzEVrD4GpqEg== X-Google-Smtp-Source: ABdhPJw8DhWVrzjIH8JTyLWzkCwTPDmhi+RWo2XG234hq40sGn8kYoUJy/Ov654V+I50pVRpW/d88A== X-Received: by 2002:a63:5b26:: with SMTP id p38mr3620664pgb.141.1618389507824; Wed, 14 Apr 2021 01:38:27 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:bae3:4af0:9792:1539]) by smtp.gmail.com with ESMTPSA id g24sm8901582pfh.164.2021.04.14.01.38.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Apr 2021 01:38:27 -0700 (PDT) From: Hsin-Yi Wang To: Wolfram Sang , Matthias Brugger , Rob Herring , Bartosz Golaszewski Cc: linux-i2c@vger.kernel.org, Qii Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Mark Brown , Marek Szyprowski , Bibby Hsieh , Arnd Bergmann Subject: [PATCH v18 5/5] arm64: dts: mt8183: add supply name for eeprom Date: Wed, 14 Apr 2021 16:38:09 +0800 Message-Id: <20210414083809.1932133-6-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog In-Reply-To: <20210414083809.1932133-1-hsinyi@chromium.org> References: <20210414083809.1932133-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add supplies for eeprom for mt8183 boards. Signed-off-by: Hsin-Yi Wang --- arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi | 4 ++++ arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi | 4 ++++ arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi | 4 ++++ 3 files changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi index b442e38a3156..28966a65391b 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi @@ -88,11 +88,13 @@ &i2c2 { pinctrl-0 = <&i2c2_pins>; status = "okay"; clock-frequency = <400000>; + vbus-supply = <&mt6358_vcamio_reg>; eeprom@58 { compatible = "atmel,24c32"; reg = <0x58>; pagesize = <32>; + vcc-supply = <&mt6358_vcama2_reg>; }; }; @@ -101,11 +103,13 @@ &i2c4 { pinctrl-0 = <&i2c4_pins>; status = "okay"; clock-frequency = <400000>; + vbus-supply = <&mt6358_vcn18_reg>; eeprom@54 { compatible = "atmel,24c32"; reg = <0x54>; pagesize = <32>; + vcc-supply = <&mt6358_vcn18_reg>; }; }; diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi index 2f5234a16ead..3aa79403c0c2 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi @@ -62,11 +62,13 @@ &i2c2 { pinctrl-0 = <&i2c2_pins>; status = "okay"; clock-frequency = <400000>; + vbus-supply = <&mt6358_vcamio_reg>; eeprom@58 { compatible = "atmel,24c64"; reg = <0x58>; pagesize = <32>; + vcc-supply = <&mt6358_vcamio_reg>; }; }; @@ -75,11 +77,13 @@ &i2c4 { pinctrl-0 = <&i2c4_pins>; status = "okay"; clock-frequency = <400000>; + vbus-supply = <&mt6358_vcn18_reg>; eeprom@54 { compatible = "atmel,24c64"; reg = <0x54>; pagesize = <32>; + vcc-supply = <&mt6358_vcn18_reg>; }; }; diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi index fbc471ccf805..30c183c96a54 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi @@ -71,11 +71,13 @@ &i2c2 { pinctrl-0 = <&i2c2_pins>; status = "okay"; clock-frequency = <400000>; + vbus-supply = <&mt6358_vcamio_reg>; eeprom@58 { compatible = "atmel,24c32"; reg = <0x58>; pagesize = <32>; + vcc-supply = <&mt6358_vcama2_reg>; }; }; @@ -84,11 +86,13 @@ &i2c4 { pinctrl-0 = <&i2c4_pins>; status = "okay"; clock-frequency = <400000>; + vbus-supply = <&mt6358_vcn18_reg>; eeprom@54 { compatible = "atmel,24c32"; reg = <0x54>; pagesize = <32>; + vcc-supply = <&mt6358_vcn18_reg>; }; };