From patchwork Mon Dec 28 11:35:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 352813 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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 B2133C433E0 for ; Mon, 28 Dec 2020 11:36:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B02822AEC for ; Mon, 28 Dec 2020 11:36:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727471AbgL1Lg1 (ORCPT ); Mon, 28 Dec 2020 06:36:27 -0500 Received: from mail-40133.protonmail.ch ([185.70.40.133]:41289 "EHLO mail-40133.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727239AbgL1Lg1 (ORCPT ); Mon, 28 Dec 2020 06:36:27 -0500 Date: Mon, 28 Dec 2020 11:35:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1609155344; bh=uD0o1RGxUdohZwqEit8GaCkXhH2zAclkKXfTpSwZqmA=; h=Date:To:From:Cc:Reply-To:Subject:From; b=GzusC5A3KgMW40aK26pO3RVGGzI1SpxMK6BD+3djiBXgZQ+kz+jSExJtd1R9o7kqM EEF1bfEWPliTWuBpvfaWK4Wn+eyoxjSYvdhK90QxoVHd0LEqH3HkR41abI4JfjH8EL yL6CjzTo6nSbRq6I3YzsDgt3w6XCZcDnlsbjX2DE= To: Krzysztof Kozlowski From: Timon Baetz Cc: Marek Szyprowski , Liam Girdwood , Mark Brown , Rob Herring , MyungJoo Ham , Chanwoo Choi , Lee Jones , Sebastian Reichel , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Timon Baetz Reply-To: Timon Baetz Subject: [PATCH v5 1/8] extcon: max8997: Add CHGINS and CHGRM interrupt handling Message-ID: <20201228113507.1292506-1-timon.baetz@protonmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This allows the MAX8997 charger to set the current limit depending on the detected extcon charger type. Signed-off-by: Timon Baetz --- drivers/extcon/extcon-max8997.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index 337b0eea4e62..e1408075ef7d 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -44,6 +44,8 @@ static struct max8997_muic_irq muic_irqs[] = { { MAX8997_MUICIRQ_ChgDetRun, "muic-CHGDETRUN" }, { MAX8997_MUICIRQ_ChgTyp, "muic-CHGTYP" }, { MAX8997_MUICIRQ_OVP, "muic-OVP" }, + { MAX8997_PMICIRQ_CHGINS, "pmic-CHGINS" }, + { MAX8997_PMICIRQ_CHGRM, "pmic-CHGRM" }, }; /* Define supported cable type */ @@ -538,6 +540,8 @@ static void max8997_muic_irq_work(struct work_struct *work) case MAX8997_MUICIRQ_DCDTmr: case MAX8997_MUICIRQ_ChgDetRun: case MAX8997_MUICIRQ_ChgTyp: + case MAX8997_PMICIRQ_CHGINS: + case MAX8997_PMICIRQ_CHGRM: /* Handle charger cable */ ret = max8997_muic_chg_handler(info); break; From patchwork Mon Dec 28 11:36:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 352812 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=-17.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 8C455C4332D for ; Mon, 28 Dec 2020 11:37:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6782022B45 for ; Mon, 28 Dec 2020 11:37:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727135AbgL1Lgt (ORCPT ); Mon, 28 Dec 2020 06:36:49 -0500 Received: from mail1.protonmail.ch ([185.70.40.18]:37134 "EHLO mail1.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727555AbgL1Lgt (ORCPT ); Mon, 28 Dec 2020 06:36:49 -0500 Date: Mon, 28 Dec 2020 11:36:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1609155366; bh=wapJ7XRl1GcMgO/MgX1VTow6fvWfGCso+GtzUFGOrh8=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=J1bQbyIqLF7pgi8X9NMwZTdw/5aiedDpQmB1tQ6znofREqQpHJMde+Nej0nHmG14t 2EVB/uFYXkCKGQZ/K1SUJmulaK6cHPkzmbASCHiaRaI6m5hegrk2oQGmzJmcOI6TIe hMbK98L6ER9IL+QQ8QBoASuEKXi7+gaBq9RuHoXg= To: Krzysztof Kozlowski From: Timon Baetz Cc: Marek Szyprowski , Liam Girdwood , Mark Brown , Rob Herring , MyungJoo Ham , Chanwoo Choi , Lee Jones , Sebastian Reichel , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Timon Baetz Reply-To: Timon Baetz Subject: [PATCH v5 3/8] power: supply: max8997_charger: Set CHARGER current limit Message-ID: <20201228113507.1292506-3-timon.baetz@protonmail.com> In-Reply-To: <20201228113507.1292506-1-timon.baetz@protonmail.com> References: <20201228113507.1292506-1-timon.baetz@protonmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Register for extcon notification and set charging current depending on the detected cable type. Current values are taken from vendor kernel, where most charger types end up setting 650mA [0]. Also enable and disable the CHARGER regulator based on extcon events. [0] https://github.com/krzk/linux-vendor-backup/blob/samsung/galaxy-s2-epic-4g-touch-sph-d710-exynos4210-dump/drivers/misc/max8997-muic.c#L1675-L1678 Signed-off-by: Timon Baetz --- drivers/power/supply/max8997_charger.c | 96 ++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/drivers/power/supply/max8997_charger.c b/drivers/power/supply/max8997_charger.c index 1947af25879a..f0f725385dfc 100644 --- a/drivers/power/supply/max8997_charger.c +++ b/drivers/power/supply/max8997_charger.c @@ -6,12 +6,14 @@ // MyungJoo Ham #include +#include #include #include #include #include #include #include +#include /* MAX8997_REG_STATUS4 */ #define DCINOK_SHIFT 1 @@ -31,6 +33,10 @@ struct charger_data { struct device *dev; struct max8997_dev *iodev; struct power_supply *battery; + struct regulator *reg; + struct extcon_dev *edev; + struct notifier_block extcon_nb; + struct work_struct extcon_work; }; static enum power_supply_property max8997_battery_props[] = { @@ -88,6 +94,67 @@ static int max8997_battery_get_property(struct power_supply *psy, return 0; } +static void max8997_battery_extcon_evt_stop_work(void *data) +{ + struct charger_data *charger = data; + + cancel_work_sync(&charger->extcon_work); +} + +static void max8997_battery_extcon_evt_worker(struct work_struct *work) +{ + struct charger_data *charger = + container_of(work, struct charger_data, extcon_work); + struct extcon_dev *edev = charger->edev; + int current_limit; + + if (extcon_get_state(edev, EXTCON_CHG_USB_SDP) > 0) { + dev_dbg(charger->dev, "USB SDP charger is connected\n"); + current_limit = 450000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_DCP) > 0) { + dev_dbg(charger->dev, "USB DCP charger is connected\n"); + current_limit = 650000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_FAST) > 0) { + dev_dbg(charger->dev, "USB FAST charger is connected\n"); + current_limit = 650000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_SLOW) > 0) { + dev_dbg(charger->dev, "USB SLOW charger is connected\n"); + current_limit = 650000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_CDP) > 0) { + dev_dbg(charger->dev, "USB CDP charger is connected\n"); + current_limit = 650000; + } else { + dev_dbg(charger->dev, "USB charger is diconnected\n"); + current_limit = -1; + } + + if (current_limit > 0) { + int ret = regulator_set_current_limit(charger->reg, current_limit, current_limit); + + if (ret) { + dev_err(charger->dev, "failed to set current limit: %d\n", ret); + return; + } + ret = regulator_enable(charger->reg); + if (ret) + dev_err(charger->dev, "failed to enable regulator: %d\n", ret); + } else { + int ret = regulator_disable(charger->reg); + + if (ret) + dev_err(charger->dev, "failed to disable regulator: %d\n", ret); + } +} + +static int max8997_battery_extcon_evt(struct notifier_block *nb, + unsigned long event, void *param) +{ + struct charger_data *charger = + container_of(nb, struct charger_data, extcon_nb); + schedule_work(&charger->extcon_work); + return NOTIFY_OK; +} + static const struct power_supply_desc max8997_battery_desc = { .name = "max8997_pmic", .type = POWER_SUPPLY_TYPE_BATTERY, @@ -170,6 +237,35 @@ static int max8997_battery_probe(struct platform_device *pdev) return PTR_ERR(charger->battery); } + charger->reg = devm_regulator_get_optional(&pdev->dev, "charger"); + if (IS_ERR(charger->reg)) { + if (PTR_ERR(charger->reg) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(&pdev->dev, "couldn't get charger regulator\n"); + } + charger->edev = extcon_get_edev_by_phandle(&pdev->dev, 0); + if (IS_ERR(charger->edev)) { + if (PTR_ERR(charger->edev) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(charger->dev, "couldn't get extcon device\n"); + } + + if (!IS_ERR(charger->reg) && !IS_ERR(charger->edev)) { + INIT_WORK(&charger->extcon_work, max8997_battery_extcon_evt_worker); + ret = devm_add_action(&pdev->dev, max8997_battery_extcon_evt_stop_work, charger); + if (ret) { + dev_err(&pdev->dev, "failed to add extcon evt stop action: %d\n", ret); + return ret; + } + charger->extcon_nb.notifier_call = max8997_battery_extcon_evt; + ret = devm_extcon_register_notifier_all(&pdev->dev, charger->edev, + &charger->extcon_nb); + if (ret) { + dev_err(&pdev->dev, "failed to register extcon notifier\n"); + return ret; + }; + } + return 0; } From patchwork Mon Dec 28 11:36:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 352811 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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 6BA95C433E9 for ; Mon, 28 Dec 2020 11:37:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38660229C5 for ; Mon, 28 Dec 2020 11:37:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727599AbgL1LhI (ORCPT ); Mon, 28 Dec 2020 06:37:08 -0500 Received: from mail2.protonmail.ch ([185.70.40.22]:20687 "EHLO mail2.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727554AbgL1LhH (ORCPT ); Mon, 28 Dec 2020 06:37:07 -0500 Date: Mon, 28 Dec 2020 11:36:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1609155385; bh=VJNktw6SWHb4HCSmN1XyzvQQtDw1HX3X6t+P/K46JgU=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=bNhIX59XvV+alI+ld2pfBTgORo4ntSsosfLzEBPON9Kf16u6JFoe+swNjYpH3/WbD Se7v25CAP/Y09ls0Kd8vQZIWhBXiz1IMm4edS5d9pm6440oLGvsLTMRb3dlBhhMsDP aBJEphh+ptvaeCqvaR7qTq/OFthQc9/q98axgD+Q= To: Krzysztof Kozlowski From: Timon Baetz Cc: Marek Szyprowski , Liam Girdwood , Mark Brown , Rob Herring , MyungJoo Ham , Chanwoo Choi , Lee Jones , Sebastian Reichel , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Timon Baetz Reply-To: Timon Baetz Subject: [PATCH v5 5/8] ARM: dts: exynos: Add muic and charger nodes for Origen Message-ID: <20201228113507.1292506-5-timon.baetz@protonmail.com> In-Reply-To: <20201228113507.1292506-1-timon.baetz@protonmail.com> References: <20201228113507.1292506-1-timon.baetz@protonmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Both nodes are disabled as there is no battery and pins are not connected. Signed-off-by: Timon Baetz --- arch/arm/boot/dts/exynos4210-origen.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index 7d2cfbafefb2..9792531ac3da 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -312,6 +312,16 @@ EN32KHZ_AP { regulator-always-on; }; }; + + muic { + compatible = "maxim,max8997-muic"; + status = "disabled"; + }; + + charger { + compatible = "maxim,max8997-battery"; + status = "disabled"; + }; }; }; From patchwork Mon Dec 28 11:36:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 352810 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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 A02A6C4332B for ; Mon, 28 Dec 2020 11:37:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6AAEE22583 for ; Mon, 28 Dec 2020 11:37:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727617AbgL1Lh2 (ORCPT ); Mon, 28 Dec 2020 06:37:28 -0500 Received: from mail2.protonmail.ch ([185.70.40.22]:59295 "EHLO mail2.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727685AbgL1Lh1 (ORCPT ); Mon, 28 Dec 2020 06:37:27 -0500 Date: Mon, 28 Dec 2020 11:36:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1609155388; bh=mEKKFahaecgG/O2uWHVS+MnqiaE2ZNEu6BmGundO7+w=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=ie4cJL5tXhHnoDSSouuXH48/ZlkAvR6tRWr640pFiYU+68cDOkZM+kreg2fyYIj4/ BLG5ar1ELo0gSW3bfwOcSoWVERgzoSJx3cPgZQcYpvYTeP5h4sTwSxnuKk86TstC7l 4uugp+grNP7xn2ufUNr1Ji0/GweMllc6A8s1p6D8= To: Krzysztof Kozlowski From: Timon Baetz Cc: Marek Szyprowski , Liam Girdwood , Mark Brown , Rob Herring , MyungJoo Ham , Chanwoo Choi , Lee Jones , Sebastian Reichel , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Timon Baetz Reply-To: Timon Baetz Subject: [PATCH v5 6/8] ARM: dts: exynos: Add muic and charger nodes for Trats Message-ID: <20201228113507.1292506-6-timon.baetz@protonmail.com> In-Reply-To: <20201228113507.1292506-1-timon.baetz@protonmail.com> References: <20201228113507.1292506-1-timon.baetz@protonmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org muic node is only used for extcon consumers. charger node is used to point to muic. Note: charging control is not working as we don't have a charger-supply. Signed-off-by: Timon Baetz --- arch/arm/boot/dts/exynos4210-trats.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts index a226bec56a45..686465f0044b 100644 --- a/arch/arm/boot/dts/exynos4210-trats.dts +++ b/arch/arm/boot/dts/exynos4210-trats.dts @@ -459,6 +459,15 @@ EN32KHZ_CP { regulator-always-on; }; }; + + muic: max8997-muic { + compatible = "maxim,max8997-muic"; + }; + + charger { + compatible = "maxim,max8997-battery"; + extcon = <&muic>; + }; }; };