From patchwork Wed Dec 2 21:07:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 11947175 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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B2310C6369E for ; Wed, 2 Dec 2020 21:08:47 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA2E920709 for ; Wed, 2 Dec 2020 21:08:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA2E920709 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=protonmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:Reply-To:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Subject:From:To:Date: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=9WKh0DZX6kDm0K3kZxcB8X1ImOq7E6e3OjQsOSYy8f8=; b=YhdI/5cFLmwzsO9K7XDn1v1gS/ Fu13DGKoRyR3VfLRve6J0p8MDgu27ZpSAEspHkzurZn0N++oQle9Z4y4Ty6dAsyh70ZIeCFqxoWJE byBSNopHR/8XCi2lmadrzotGRSXg27cvyKaX35oB41tlycIccmYR7WM1wHwU62S5zAwjaY3QMaEKS kbSS60Ykx6oGKBxPJZQHm3eCPXpkLBCpk5fIRyzJE6oduJkgNiySu+gHXLfNN57+36aIrtVB8Stgi T6ByasOoAzsYRZxAizQznCS27g95krN40+dgUfDL8Wkev9GCiN6Ot3bWeZshlYkEh4rorzgt5dnpG JQ37502g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZLV-0004eD-NT; Wed, 02 Dec 2020 21:07:29 +0000 Received: from mail-40133.protonmail.ch ([185.70.40.133]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZLT-0004bA-0s for linux-arm-kernel@lists.infradead.org; Wed, 02 Dec 2020 21:07:28 +0000 Date: Wed, 02 Dec 2020 21:07:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1606943237; bh=E9RxHMzcn7X1FNm4GZyMldmxad4LWG8WG/9s9fSNl74=; h=Date:To:From:Cc:Reply-To:Subject:From; b=qJAHJNR9P8O1TBzC2LGmdRdxfLrppvNALomAWOXBGr3lxp8CJzVpXUyPoFYklpnkh N+31tqe/59saqG70dRpDrPNnN0Lv3HCV14Fr5nRjq1SjpD3JM2S1w3F0BN+s00+fc/ w19fl7TJFnxOqcd1zWPlIxUEKcaqJ3QeOEuKw+V8= To: Sebastian Reichel From: Timon Baetz Subject: [PATCH 1/3] extcon: max8997: Add CHGINS and CHGRM interrupt handling Message-ID: <20201202203516.43053-1-timon.baetz@protonmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201202_160727_230230_DD0FA28B X-CRM114-Status: GOOD ( 10.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Timon Baetz Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Kukjin Kim , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Timon Baetz , Chanwoo Choi , Rob Herring , MyungJoo Ham , linux-arm-kernel@lists.infradead.org, ~postmarketos/upstreaming@lists.sr.ht Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index 172e116ac1ce..70ffcef12e3e 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 +540,9 @@ 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 Wed Dec 2 21:07:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 11947177 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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6AE21C6369E for ; 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bh=Siaifxc9YaoahNR1REH15lTHDs6JwDacJOwnPPuzDRQ=; b=fnLFPSJqCjGhM3EI1NTgIdGSME QBwmNkzlP9AsXxtH0B5RwKAiMp5EtG4Z1aNtM8a6iRK7ODmma85E/QsAf9HeVPBRD8uWpVxG4MOnt yQSWXEiH04YBNSCLVA9ds/7j4fhbXIoppd26wQWvqr4rVVNfGochU7eiD3+BlsyBbDF+OTctosBq0 yA893KiI4885iSx+AwrrALSpx+vb3Xr9o6uH/8YClGDOjOS+aIZUN4bs0sRdXT1EJlC1ycAPeyPbH ySowdDsPcGboTmULTZVNP+21uhVMkI/ldCJnmuDLfT7CCIdd4Xhcsu2JYeS9eukRN5JNuy/USTWT1 x7eEQ/bw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZLZ-0004gf-Md; Wed, 02 Dec 2020 21:07:33 +0000 Received: from mail1.protonmail.ch ([185.70.40.18]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZLW-0004e7-BC for linux-arm-kernel@lists.infradead.org; Wed, 02 Dec 2020 21:07:31 +0000 Date: Wed, 02 Dec 2020 21:07:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1606943247; bh=I5SKn72zxNLuAPxHXL8MBix5xnhTqEl1NdpeqJ8Fo7U=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=w52idPCvgPLyvLjhVxtahNHBhCZDZvpUNdmQWXjjzZQD5W5EUcKk/fFeiqshv2t/B NortxYpGn9NudNr86gAWiknF21gsKZKr6Iobu6f8f0PQmbl89OkLJX0EtEQC2P/OgR a83ZMQgYE7f5/h5JO1goAtYk8CBsSPtit0+KVdho= To: Sebastian Reichel From: Timon Baetz Subject: [PATCH 2/3] power: supply: max8997_charger: Set CHARGER current limit Message-ID: <20201202203516.43053-2-timon.baetz@protonmail.com> In-Reply-To: <20201202203516.43053-1-timon.baetz@protonmail.com> References: <20201202203516.43053-1-timon.baetz@protonmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201202_160730_696449_DFF95440 X-CRM114-Status: GOOD ( 14.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Timon Baetz Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Kukjin Kim , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Timon Baetz , Chanwoo Choi , Rob Herring , MyungJoo Ham , linux-arm-kernel@lists.infradead.org, ~postmarketos/upstreaming@lists.sr.ht Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Register for extcon notification and set charging current depending on the detected cable type. Current values are taken from i9100 kernel fork. Enable and disable the CHARGER regulator based on extcon events and remove regulator-always-on from the device tree. Signed-off-by: Timon Baetz --- arch/arm/boot/dts/exynos4210-i9100.dts | 1 - drivers/power/supply/max8997_charger.c | 92 ++++++++++++++++++++++++++ 2 files changed, 92 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts index 6d0c04d77a39..9f8d927e0d21 100644 --- a/arch/arm/boot/dts/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/exynos4210-i9100.dts @@ -560,7 +560,6 @@ charger_reg: CHARGER { regulator-name = "CHARGER"; regulator-min-microamp = <60000>; regulator-max-microamp = <2580000>; - regulator-always-on; }; chargercv_reg: CHARGER_CV { diff --git a/drivers/power/supply/max8997_charger.c b/drivers/power/supply/max8997_charger.c index 1947af25879a..26cd271576ec 100644 --- a/drivers/power/supply/max8997_charger.c +++ b/drivers/power/supply/max8997_charger.c @@ -6,6 +6,7 @@ // MyungJoo Ham #include +#include #include #include #include @@ -31,6 +32,12 @@ struct charger_data { struct device *dev; struct max8997_dev *iodev; struct power_supply *battery; + struct regulator *reg; + struct { + struct extcon_dev *edev; + struct notifier_block nb; + struct work_struct work; + } extcon; }; static enum power_supply_property max8997_battery_props[] = { @@ -88,6 +95,63 @@ 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); + int ret, current_limit; + struct extcon_dev *edev = charger->extcon.edev; + + 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) { + 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); + ret = regulator_enable(charger->reg); + if (ret) + dev_err(charger->dev, "failed to enable regulator: %d\n", ret); + } else { + 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, @@ -104,6 +168,7 @@ static int max8997_battery_probe(struct platform_device *pdev) struct i2c_client *i2c = iodev->i2c; struct max8997_platform_data *pdata = iodev->pdata; struct power_supply_config psy_cfg = {}; + struct extcon_dev *edev; if (!pdata) { dev_err(&pdev->dev, "No platform data supplied.\n"); @@ -151,6 +216,12 @@ static int max8997_battery_probe(struct platform_device *pdev) return ret; } + edev = extcon_get_extcon_dev("max8997-muic"); + if (edev == NULL) { + dev_info(&pdev->dev, "extcon is not ready, probe deferred\n"); + return -EPROBE_DEFER; + } + charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL); if (!charger) return -ENOMEM; @@ -170,6 +241,27 @@ static int max8997_battery_probe(struct platform_device *pdev) return PTR_ERR(charger->battery); } + charger->reg = regulator_get(&pdev->dev, "CHARGER"); + if (IS_ERR(charger->reg)) { + dev_err(&pdev->dev, "couldn't get CHARGER regulator\n"); + return PTR_ERR(charger->reg); + } + + 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.edev = edev; + charger->extcon.nb.notifier_call = max8997_battery_extcon_evt; + ret = devm_extcon_register_notifier_all(&pdev->dev, charger->extcon.edev, + &charger->extcon.nb); + if (ret) { + dev_err(&pdev->dev, "failed to register extcon notifier\n"); + return ret; + }; + return 0; } From patchwork Wed Dec 2 21:07:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Timon Baetz X-Patchwork-Id: 11947179 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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 98378C64E7C for ; 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bh=oUTqIXmI6qrWii4h/RQ7uP2bxQv0jcgDj5RqySnhlbY=; b=hek68t7AT1av6bZQMnw3cj4W1j M6j8f02wDbVXRmdtvO6HuGUz6TAv44ltTktL6e08mo3ANgFYOkHZfRrXCWyagqLl3FN6GC9OLLEUi jWG4X/zfil7VEwcPwjcgFI/fxC1rGUvJmcVHyOIpF0TYUUDp6IQodffrPBkn1xEOuTq92Dw/2FH2s gPrvgfYVOoBtPn0BkTyQR+1gLex7ZeTy+d2MhE1iOkB1aXCsDzlTVZ3zE9+AmNkRuCBMcRD0O2N05 ZGhblS1hd5+go0smuJqU5ww/xRtE+pqEXsOzpAYY7FWiLKTBmODr1KxPua+o1mGc5VQRFq0n8upXt 2IPRjfEg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZLg-0004is-Tq; Wed, 02 Dec 2020 21:07:40 +0000 Received: from mail-40133.protonmail.ch ([185.70.40.133]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZLd-0004hX-R3 for linux-arm-kernel@lists.infradead.org; Wed, 02 Dec 2020 21:07:38 +0000 Date: Wed, 02 Dec 2020 21:07:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1606943256; bh=UxIXfy7yzIBGClJfjrUrEr/6UyV7CvCqxVp+zAnt65M=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=qLxOcyoQZShYEjyxbA+afDIuabHe7L6ZkX/FofFwQLVs0ibhNENVOKDaFwBtSlVnz 9huSz7IY8P7spm/PTs2BuLPOKirs16NdbQ9Tb5CDqYhc+0y53lR2Z+F8RavPJnSsT8 kSkQqyPZ5aXLSF81EP7umQD5pVsjmnRXTMG7D07g= To: Sebastian Reichel From: Timon Baetz Subject: [PATCH 3/3] ARM: dts: exynos: Fix charging regulator voltage and current for i9100 Message-ID: <20201202203516.43053-3-timon.baetz@protonmail.com> In-Reply-To: <20201202203516.43053-1-timon.baetz@protonmail.com> References: <20201202203516.43053-1-timon.baetz@protonmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201202_160738_060025_72D0A725 X-CRM114-Status: UNSURE ( 9.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Timon Baetz Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Kukjin Kim , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Timon Baetz , Chanwoo Choi , Rob Herring , MyungJoo Ham , linux-arm-kernel@lists.infradead.org, ~postmarketos/upstreaming@lists.sr.ht Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set CHARGER current and CHARGER_CV voltage according to Galaxy S2 kernel fork. Signed-off-by: Timon Baetz --- arch/arm/boot/dts/exynos4210-i9100.dts | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts index 9f8d927e0d21..2700d53ea01b 100644 --- a/arch/arm/boot/dts/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/exynos4210-i9100.dts @@ -558,14 +558,14 @@ safe2_sreg: ESAFEOUT2 { charger_reg: CHARGER { regulator-name = "CHARGER"; - regulator-min-microamp = <60000>; - regulator-max-microamp = <2580000>; + regulator-min-microamp = <200000>; + regulator-max-microamp = <950000>; }; chargercv_reg: CHARGER_CV { regulator-name = "CHARGER_CV"; - regulator-min-microvolt = <3800000>; - regulator-max-microvolt = <4100000>; + regulator-min-microvolt = <4200000>; + regulator-max-microvolt = <4200000>; regulator-always-on; }; };